A timing adjustment valve includes a pilot body provided with a first port, a second port, and a drive port, a check valve mechanism which allows a fluid to flow from the first port to the second port and prevents the fluid from flowing from the second port to the first port, and a timing adjustment mechanism which opens and closes an internal flow passage by supplying and discharging a drive fluid to and from the drive port. The timing adjustment mechanism is configured to be arranged in parallel with the check valve mechanism in the internal flow passage and allow the fluid to flow when the pressure of the drive fluid supplied and discharged to and from the timing adjustment mechanism through the drive port is equal to or less than a predetermined value.
1212122≤1.2. The manufacturing method comprises: a step for obtaining a cut piece of a crosslinked PFA film that results from crosslinking such that the tertiary carbon concentration is 0.01 mol% or greater; a step for reshaping the cut piece to obtain a reshaped product; and a step for obtaining a rib from the reshaped product.
F16K 7/12 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm
1212122 ≤ 1.2. A manufacturing method comprises: a step for obtaining a cut piece of a cross-linked PFA film cross-linked such that a tertiary carbon concentration is greater than or equal to 0.01 mol%; a step for obtaining a re-molded object by re-molding the cut piece; and a step for obtaining a needle part and a flow path part from the re-molded object.
F16K 1/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
F16K 7/12 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm
This method for producing a resin bonded body includes: forming a first resin assembly of a shape having an accommodation portion from a first fluororesin material that is capable of gelling and maintaining shape even at or above the melting point thereof; a step for accommodating a second resin assembly composed of a second fluororesin material that melts and becomes liquid at or above the melting point thereof within the accommodation portion. The method includes heating the first resin assembly having the second resin assembly disposed in the accommodation portion to or above the melting point of the first fluororesin material and the second fluororesin material before cooling the first resin assembly, changing the first resin assembly into a first resin molded body and the second resin assembly into a second resin molded body, and bonding the first and second resin molded bodies.
B29C 65/02 - Joining of preformed partsApparatus therefor by heating, with or without pressure
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniquesApparatus therefor
The purpose of the present invention is to provide: a photosensitive resin composition in which a novolac resin is used, the photosensitive resin composition having exceptional resolution and heat resistance; a pattern forming method in which the photosensitive resin composition is used; and a method for manufacturing an electronic device that includes the pattern forming method. The photosensitive resin composition has units connected via methylene groups. The units include at least second units from among first units [formula (1)] and second units [formula (2)]. At least some of R1in formula (1) and R2and R3 in formula (2) are each independently an acid-decomposable group selected from the group consisting of 1-ethoxyethyl groups and 1-propoxyethyl groups. The photosensitive resin composition also includes a photoacid generator, a solvent, and an acid-decomposable resin satisfying the relationship 0.2 ≤ m/(n + m) ≤ 1, where "n" is the number of first units and "m" is the number of second units.
In the present invention, in order to provide a heat-resistant polymer that is a novolac type phenolic resin able to exhibit excellent heat resistance, this heat-resistant polymer has units connected via a C1-5 alkylene group and/or a structure represented by formula (3). The units include at least a second unit among a first unit represented by formula (1) and a second unit represented by formula (2). At least some of R11, R21and R31is a substituent group R01. The substituent group R01is selected from among a C1-5 alkyl group and an aryl group. At least some of R12, R22and R32is a substituent group R02. The substituent group R02is selected from among a C1-5 alkyl group and a C2-10 alkoxyalkyl group. At least some of R41and R42is a substituent group R04. The substituent group R04 is selected from among a C1-5 alkyl group and an aryl group.
A diaphragm (15) includes: a valve function part (53) placed at the center thereof; a membrane part (55) extending outward from the valve function part (53); and an outer peripheral edge part (57) that is connected to an outer edge of the membrane part (55) and is held between two members. Further, the diaphragm (15) is formed from a resin material, and the membrane part (55) has a membrane part non-crosslinked resin portion formed from a non-crosslinked resin material, and a membrane part crosslinked resin portion formed from a crosslinked resin material obtained by crosslinking a non-crosslinked resin material. The membrane part crosslinked resin portion constitutes a portion of the membrane part adjacent to the outer peripheral edge part (57), and the membrane part non-crosslinked resin portion constitutes a portion of the membrane part closer to the valve function part (53) than the membrane part crosslinked resin portion.
F16K 7/12 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm
A suck-back valve includes a valve main body formed with a suck-back chamber, and a suck-back mechanism unit. The suck-back mechanism unit includes a suck-back piston accommodated in a suck-back cylinder chamber and being slidable between two dead center positions, and a biasing member biasing the suck-back piston in a direction to increase the volume of the suck-back chamber. The suck-back cylinder chamber is divided by the suck-back piston into a first fluid chamber and a second fluid chamber. The biasing member is arranged in the first fluid chamber, and a standby position at which the suck-back piston is positioned when the pressure of a drive fluid in the second fluid chamber becomes the maximum is set to be away from the dead center position on the side closer to the suck-back chamber.
F16K 23/00 - Valves for preventing drip from nozzles
F16K 7/12 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm
A constant-pressure valve (11) comprises: a valve main body (13) in which are formed a first valve chamber (23) and a second valve chamber (31) that are in communication via a communication path (37); a valve mechanism (15) which includes a first diaphragm (41) that supports a valve body part (41a) in a first valve chamber in a manner enabling contact/separation with/from a valve seat (39) formed in the communication path, and a second diaphragm (43) that faces the second valve chamber; a first force-applying mechanism (17); and a second force-applying mechanism (19). The first force-applying mechanism is provided with a first moving body (51) that is biased by a biasing member (53) and joined to the valve body part via a stem (55). The second force-applying mechanism is provided with a second moving body (67) to which a force is applied by an applied force adjustment mechanism (69) and to which is transmitted fluid pressure in the second valve chamber that acts on the second diaphragm. A link member (77) that extends to the outside of a liquid contact region links the two moving bodies.
Provided is an organic binder for molds, which has an excellent curing speed during molding and that yields a mold exhibiting excellent strength. The organic binder for molds is prepared using: a lignin-modified phenolic resin that serves as a resin binding component; and triethylenediamine. The lignin-modified phenolic resin is preferably a novolac-type phenolic resin modified with at least one component selected from kraft lignin, glycol lignin and lignin acetate.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
C08G 8/20 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with polyhydric phenols
C08L 61/12 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with polyhydric phenols
Provided is a mold organic binder that has an exceptional curing speed during molding and that yields a mold exhibiting exceptional strength. This mold organic binder is configured using triethylenediamine together with one or more resins that serve as a resin adhesion component, the one or more resins being selected from the group consisting of cresol-modified novolac phenolic resins, novolac cresol resins, xylenol-modified novolac phenolic resins, and novolac xylenol resins.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
A vortex-type flow regulation valve (11) comprises: a vortex chamber (27) that is defined by a cylinder-shaped circumferential side wall (13), and a first end wall (15) and a second end wall (17) that are provided at either end of the same; an inlet flow passage (19) that extends along an inlet flow passage center axis (P1) and opens in the circumferential side wall (13); an outlet flow passage (21) that extends along an outlet flow passage center axis (P2) and opens in the first end wall (15); a protrusion (23) that protrudes into the vortex chamber (27) from one of the first end wall (15) and the second end wall (17); and a driving unit (25) that causes the protrusion (23) to move toward and away from the other of the first end wall (15) and the second end wall (17), within the vortex chamber (27). The inlet flow passage (19) is provided such that the inlet flow passage center axis (P1) passes through a location that is distanced from a vortex chamber center axis (O), and the movement of the protrusion (23) regulates the flow rate of a fluid flowing out from the outlet flow passage (21).
A vortex flow rate adjustment valve (11) comprises: a vortex chamber (27) that is defined by a cylindrical peripheral wall (13), and a first end wall (15) and a second end wall (17) provided at both ends of the peripheral wall (13); an inlet flow path (19) that extends along an inlet flow path center axis (P1) and opens into the peripheral wall (13); and an outlet flow path (21) that extends along an outlet flow path center axis (P2) and opens into the first end wall (15). The inlet flow path (19) is provided so that the inlet flow path center axis (P1) passes through a position away from a vortex chamber center axis (O) and the outlet flow path center axis (P2). The second end wall (17) is configured so as to be movable toward and away from the first end wall (15) by a drive unit. The flow rate of fluid flowing out from the outlet flow path is adjusted according to the amount of movement of the second end wall (17) with respect to the first end wall (15).
A butterfly valve includes a valve body having at least a surface formed of resin material and being formed therein with an internal flow passage, a valve stem rotatably supported by the valve body, a valve element connected to the valve stem to be rotatably supported by the valve body and placed in the internal flow passage, and bushings externally fitted around the valve stem. The valve body is provided with bearing holes each rotatably supporting the valve stem via the corresponding bushing and the bearing holes each have an opening being open to the internal flow passage. Each bearing hole and the corresponding bushing have shapes such that a gap is formed between inner peripheral surfaces of the bearing hole and an outer peripheral surface of the corresponding bushing in a region adjacent to the opening.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
A butterfly valve includes a valve body, a valve stem rotatably supported by the valve body, a valve element rotatably supported by the valve body, and a bushing externally fitted around the valve stem. The valve element is configured by a core member and a contour member formed of a resin material and surrounding the core member to define a contour of the valve element, the valve element is formed with valve-stem holes that support the valve stem via the bushing, the contour member has a stem hole component forming inner peripheral surfaces of the valve-stem holes, and the bushing and the valve stem have shapes such that a gap is formed between an inner peripheral surface of a portion of the bushing located inside the stem hole component and an outer peripheral surface of a portion of the valve stem located inside the stem hole component.
F16K 25/00 - Details relating to contact between valve members and seats
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
Provided is a mold organic binder that exhibits an excellent fast curing property and can shorten the molding time when a mold is manufactured through ordinary temperature curing. The mold organic binder used to mold a phenolic urethane-based gas-curing mold or a self-curing mold is formed using, as essential components, a phenol resin, an organic solvent, and a reaction product of i) a polyisocyanate compound and ii) a compound a having two or three intramolecular hydroxyl groups and/or carboxyl groups and having a number average molecular weight of 300-3000, the proportion of the compound a in relation to the polyisocyanate compound being 0.1-12.0 mass%.
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
A butterfly valve includes a valve body with an internal flow passage, a seat ring attached to an inner peripheral surface of the internal flow passage, a valve stem rotatably supported by the valve body, and a valve element rotatably supported by the valve body via the valve stem. The valve element has an annular outer peripheral edge surface, and includes, at opposite positions in the direction of the rotation axis on the outer peripheral edge surface, two valve-stem openings for the valve shaft to pass therethrough. The outer peripheral edge surface of the valve element includes two annular opening raised portions each extending along the periphery of the corresponding valve stem openings, and peripheral edge raised portions connecting the two opening raised portions, each having a peripheral edge sealing surface extending along a top thereof, and chamfered surfaces inclined and extending along both sides of the peripheral sealing surface.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
17 - Rubber and plastic; packing and insulating materials
20 - Furniture and decorative products
37 - Construction and mining; installation and repair services
Goods & Services
Chemicals; chemicals used in industry; chemicals used in
science; chemicals used in photography; phenols; organic
acids and their salts; chemical agents; isocyanate; polyols;
chemicals for water-leakage prevention; chemical sealants
for water-leakage prevention; chemical agents for water
cut-off; chemicals for ground stabilization; chemicals for
solidifying natural ground; glue and adhesives for
industrial purposes; non-metallic minerals; foundry sand;
unprocessed plastics; unprocessed plastics for use in
industry; phenolic resins; urethane resins; unprocessed
urethane resins; polyurethane resins; unprocessed
polyurethane resins; polyurea resins; unprocessed polyurea
resins; isocyanate resins; unprocessed isocyanate resins;
polyol resins; unprocessed polyol resins; novolac resins;
unprocessed novolac resins; chemicals for manufacturing
polyurethane foam; chemical compositions for developing and
printing photographs. Chemical processing machines and apparatus;
electromechanical machines for chemical industry; chemical
handling machines; food or beverage processing machines and
apparatus; plastic processing machines and apparatus;
actuators; actuators for mechanisms; actuators for valves;
actuators being parts of machines; pneumatic or hydraulic
actuators, other than for land vehicles; hydraulic valve
actuators; pneumatic valve actuators; pneumatic or hydraulic
linear actuators, other than for land vehicles; dishwashers
for industrial purposes; mixing machines for industrial use;
mixing machines for commercial use; food mixing machines for
commercial use; mixing machines for chemical processing;
stirring and mixing machines; stirring and mixing apparatus
for industrial purposes; valves, machine elements not for
land vehicles; valves being parts of machines; automatic
control valves, machine elements not for land vehicles;
pressure valves being parts of machines; back pressure
valves being parts of machines; clack valves being parts of
machines; handles for valves, machine elements not for land
vehicles; power transmissions and gearing, machine elements
not for land vehicles; reaction vessels for chemical
processing; reactors for use in the chemical industry;
industrial chemical reactors; pharmaceutical manufacturing
machines and apparatus; reaction vessels for chemical
processing for pharmaceutical manufacturing machines;
industrial electrolyzers; electrolysis apparatus for
industrial use. Measuring or testing machines and instruments; flowmeters;
level indicators; power distribution or control machines and
apparatus; electrolytic cells; industrial electrolytic
cells; fluid control apparatus and instruments; flow control
apparatus and instruments; electric actuators; electric
valve actuators; electric linear actuators. Wastewater treatment tanks; wastewater treatment tanks for
industrial purposes; water purifying apparatus for
industrial purposes; water purification units; water
purifying apparatus; septic tanks; septic tanks for
industrial purposes; wastewater deodorizing treatment
equipment; sludge treatment equipment; tap water faucets;
level controlling valves in tanks; level controlling valves
for tanks; cocks for pipelines; hydrants; curb cocks; stop
cocks; apparatus and installations for water supply
purposes; water distribution apparatus; paddy water level
regulators for agricultural irrigation; paddy water level
regulator floats for agricultural irrigation; paddy water
level regulator float valves for agricultural irrigation;
wastewater treatment apparatus for industrial purposes;
wastewater treatment equipment for industrial purposes;
wastewater treatment installations for industrial purposes;
industrial wastewater treatment apparatus; industrial
wastewater treatment equipment; industrial wastewater
treatment installations; industrial drainage treatment
apparatus; industrial drainage treatment equipment;
industrial drainage treatment installations; wastewater
treatment apparatus; wastewater treatment equipment;
wastewater treatment installations; drainage treatment
apparatus; drainage treatment equipment; drainage treatment
installations. Valves of rubber or vulcanized fiber, other than parts of
machines; junctions for pipes, not of metal; pipe couplings
and joints, not of metal; gaskets; joint packings; joint
packings for pipes; flanges, not of metal; plastic
semi-worked products; plastic pipes; plastic board; plastic
materials, semi-processed, in the form of boards; foamed
plastics; urethane foams; polyurethane foams; phenol foams;
phenolic foams. Valves of plastics, not including machine elements; handles
for valves of plastics; automatic control valves of
plastics, other than machine elements; corks, plastics and
wooden stoppers; plastic and wooden lids; reservoirs, not of
metal nor of masonry; storage tanks, not of metal nor of
masonry; tanks, not of metal nor of masonry; liquid storage
tanks or reservoirs, not of metal nor of masonry; industrial
water storage tanks, not of metal nor of masonry; nuts and
bolts, not of metal; washers, not of metal, not of rubber or
vulcanized fiber; clamps of plastics. Plumbing; construction; water well drilling; machinery
installation; repair or maintenance of chemical processing
machines and apparatus; repair or maintenance of measuring
and testing machines and instruments; repair or maintenance
of reservoirs; repair or maintenance of storage tanks;
repair or maintenance of tanks; repair or maintenance of
water purifying apparatus; repair or maintenance of water
purifying apparatus for industrial purposes; repair or
maintenance of chemical plants; polyurethane foam spraying
services; urethane foam spraying services; construction
consultancy; inspection, maintenance or repair of piping
components and tanks; drilling of geothermal wells; water
supply construction; waterworks construction; installation
of water pipelines; repair or maintenance of water pollution
control equipment; maintenance, washing and cleaning of
water supply facilities; reservoirs cleaning; storage tanks
cleaning; tanks cleaning.
Provided is a core-manufacturing method with which it is possible to improve quality, manufacture an arbitrary shape, and use a common core-manufacturing device. The present invention is a core-manufacturing method for manufacturing a core constituted from at least two layers, namely a first layer and a second layer, wherein a core 10 of a first layer is manufactured, then a core 11 of a second layer is manufactured on the outer peripheral surface 10a of the core 10 of the first layer. The outer peripheral surface 10a of the core 10 of the first layer is imparted with a shape that improves adhesion with respect to the core 11 of the second layer. When manufacturing the core 11 of the second layer on the outer peripheral surface 10a of the core 10 of the first layer, the core 11 of the second layer is manufactured in a state in which the core 10 of the first layer is held in a second-layer-core-molding die 3.
B22C 9/10 - CoresManufacture or installation of cores
B22C 1/00 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
A pinch valve 1 comprises a tube body 3 made of an elastic material having a flow path formed inside, a pressing part 4, a rod member 6 attached to a front end of the pressing part 4, and a coupling part 35 provided on the outer surface of the tube body 3 and coupling the rod member 6 to the tube body 3 in a transverse arrangement with respect to the tube body 3, wherein pressing or releasing the tube body 3 by the pressing part 4 through the rod member 6 makes the tube body 3 deform and opens or closes the flow path.
F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
F16K 7/04 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force
F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
F16K 7/04 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force
This method for producing a resin bonded body, in which a bonded body to which molded bodies formed from fluororesin materials are bonded is produced, includes: a step for forming a first resin assembly (51) of a shape having an accommodation portion (51a) from a first fluororesin material that is capable of gelling and maintaining shape even at or above the melting point thereof; a step for accommodating a second resin assembly (53) composed of a second fluororesin material that melts and becomes liquid at or above the melting point thereof within the accommodation portion (51a); and a step for heating the first resin assembly (51) having the second resin assembly (53) disposed in the accommodation portion (51a) to or above the melting point of the first fluororesin material and the second fluororesin material before cooling the first resin assembly (51), changing the first resin assembly (51) into a first resin molded body and the second resin assembly (53) into a second resin molded body, and bonding the first and second resin molded bodies.
B29C 65/02 - Joining of preformed partsApparatus therefor by heating, with or without pressure
B29C 65/70 - Joining of preformed partsApparatus therefor by moulding
B29C 69/02 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniquesApparatus therefor of moulding techniques only
F16K 7/12 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm
Provided is a diaphragm member for a diaphragm valve with which good chemical resistance against chemical liquid is secured, permeation of corrosive gas generated from chemical liquid is effectively suppressed or prevented, damage occurring due to repetitive operation for a long period of time is effectively suppressed or prevented, and excellent durability is exhibited. A diaphragm 30 used in a diaphragm valve is configured from: a laminate structure of a first layer 32 having a surface on one side to be in contact with a chemical liquid and a second layer 34 disposed on the other side of the first layer not to be in contact with the chemical liquid; and a coupling member that is coupled to a drive mechanism for performing pressing or separating operation against a valve seat of a valve body. The first layer 32 is configured from a thick portion to which the coupling member is fixed and a thin portion positioned on the periphery thereof. The relation between a thickness t1 of the thin portion of the first layer 32 and a thickness t2 of the second layer 34 is configured to satisfy Expression (1).
F16K 7/12 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
17 - Rubber and plastic; packing and insulating materials
20 - Furniture and decorative products
37 - Construction and mining; installation and repair services
Goods & Services
Chemicals for industrial purpose; chemicals used in industry; chemicals used in science; chemical preparations used in photography; phenols; organic acids salts; chemical agents for removing acid in industrial manufacturing applications; isocyanates for insulation; isocyanates for civil engineering; isocyanates for industrial applications; polyols for insulation; polyols for civil engineering; polyols for industrial applications; chemicals for water-leakage prevention; chemical sealants for water-leakage prevention; chemical agents for water cut-off; chemicals for ground stabilization; chemicals for solidifying natural ground; glue and adhesives for industrial purposes; non-metallic minerals in the nature of sorbents for use in insulation; non-metallic minerals in the nature of sorbents for use in civil engineering; non-metallic minerals in the nature of sorbents for use in industrial applications; foundry sand; unprocessed plastics; unprocessed plastics for use in industry; unprocessed phenolic resins; unprocessed urethane resins; unprocessed polyurethane resins; unprocessed polyurea resins; unprocessed isocyanate resins; unprocessed polyol resins; unprocessed novolac resins; chemicals for manufacturing polyurethane foam; chemical compositions for developing and printing photographs Chemical processing machines and apparatus; electromechanical beverage preparation machines for chemical industry; chemical handling machines; food and beverage processing machines and apparatus; plastic processing machines and apparatus; hydraulic linear actuators, other than for land vehicles; hydraulic actuators for valves; hydraulic actuators being parts of machines; hydraulic actuators, other than for land vehicles; hydraulic valve actuators; pneumatic valve actuators; pneumatic linear actuators, other than for land vehicles; dishwashers for industrial purposes; mixing machines for industrial use; mixing machines for commercial use; food mixing machines for commercial use; mixing machines for chemical processing; stirring and mixing machines; stirring and mixing apparatus in the nature of mixing machines for industrial purposes; Valves being machine elements not for land vehicles; valves being parts of machines; automatic control valves being machine elements not for land vehicles; pressure valves being parts of water treatment machines; pressure valves being parts of cleaning machines; back pressure valves being parts of cleaning machines; handles for valves being machine elements not for land vehicles; power transmissions and gearing for machines; industrial chemical reactors for chemical processing; chemical reactors for industrial use; industrial chemical reactors; industrial electrolyzers; electrolysis apparatus for industrial use Flowmeters; level indicators; electric power distribution or control machines and apparatus; electrolytic cells for laboratory use; industrial electrolytic cells for laboratory use; Automatic fluid control apparatus and instruments for semiconductor manufacturing machines; Automatic fluid control apparatus and instruments for Chemical Mechanical Polishing (CMP); Automatic liquid-flow control apparatus and instruments for semiconductor manufacturing machines; Automatic liquid-flow control apparatus and instruments for Chemical Mechanical Polishing (CMP); electric actuators; electric valve actuators; electric linear actuators Wastewater treatment tanks; wastewater treatment tanks for industrial purposes; water purifying apparatus for industrial purposes; water purification units; water purifying apparatus; septic tanks; septic tanks for industrial purposes; wastewater deodorizing treatment equipment; sludge treatment equipment; tap water faucets; level controlling valves in tanks for waste water purification; level controlling valves for tanks for waste water purification; cocks for pipelines for waste water purification; hydrants; curb cocks for pipes and pipelines being parts of sanitary installations; Stop cocks for pipes and pipelines being parts of sanitary installations; apparatus and installations for water supply purposes, namely, waste water purification; water distribution apparatus; paddy water level regulators for agricultural irrigation; paddy water level regulator floats for agricultural irrigation; paddy water level regulator float valves for agricultural irrigation; wastewater treatment apparatus for industrial purposes; wastewater treatment equipment for industrial purposes; wastewater treatment installations for industrial purposes; industrial wastewater treatment apparatus; industrial wastewater treatment equipment; industrial wastewater treatment installations; industrial drainage water treatment apparatus; industrial drainage water treatment equipment; industrial drainage water treatment installations; wastewater treatment apparatus; wastewater treatment installations; wastewater treatment installations; drainage water treatment apparatus; drainage water treatment equipment; drainage water treatment installations Valves of rubber or vulcanized fiber, other than parts of machines; junctions for pipes, not of metal; pipe couplings and joints, not of metal; gaskets for industrial use; joint packings for non-metal pipes; joint packings for pipes; flanges, not of metal; plastic semi-worked products in the nature of thermoplastic flexible tubes; flexible plastic pipes for plumbing use; plastic board for use in manufacture; plastic materials, semi-processed, in the form of boards for use in manufacture; foamed plastics used for insulation; foamed plastics used for civil engineering; foamed plastics used for industrial applications; urethane foamed plastics used for insulation; urethane foams used for civil engineering; urethane foams used for industrial applications; polyurethane foamed plastics used for insulation; polyurethane foams used for civil engineering; polyurethane foams used for industrial applications; phenol foamed plastics used for insulation; phenol foams used for civil engineering; phenol foams used for industrial applications; phenolic foamed plastics used for insulation; phenolic foams used for civil engineering; phenolic foams used for industrial applications Valves of plastics, not including machine elements; handles for valves of plastics being other than machine parts; Corks; plastic and wooden stoppers for industrial packaging containers; plastic and wooden lids for industrial packaging containers; reservoirs, not of metal nor of masonry; storage tanks, not of metal nor of masonry; water tanks for household purposes, not of metal nor of masonry; liquid storage tanks and reservoirs, not of metal nor of masonry; industrial water storage tanks, not of metal nor of masonry; nuts and bolts, not of metal; clamps of plastics Plumbing; building construction; water well drilling; machinery installation; repair or maintenance of chemical processing machines and apparatus; repair or maintenance of measuring and testing machines and instruments; repair or maintenance of reservoirs; repair or maintenance of storage tanks; repair or maintenance of water storage tanks; repair or maintenance of water purifying apparatus; repair or maintenance of water purifying apparatus for industrial purposes; repair or maintenance of chemical plants; installation of insulating materials, namely, polyurethane foam spraying; installation of insulating materials, namely, urethane foam spraying; construction consultancy; inspection, maintenance or repair of piping components and storage tanks; drilling of geothermal wells; water supply construction in the nature of water well drilling; waterworks construction; installation of water pipelines; repair or maintenance of water pollution control equipment; maintenance, washing and cleaning of water supply facilities; reservoirs cleaning; storage tanks cleaning; water storage tanks cleaning
The present invention provides a mold material for shell molds, the mold material enabling the achievement of a good working environment for workers not only upon the production thereof but also in cases where molding is performed after a relatively long time has passed from the production of the mold material, while enabling a mold, which is obtained as a final product, to exhibit sufficient strength. According to the present invention, a mold material for shell molds is composed using a curing accelerator, the pH of a 0.01 mol/l aqueous solution of which is 2.0 to 12.0, as an essential constituent, in addition to a refractory aggregate, a phenolic resin and a perfume-based deodorant.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
31.
TIMING ADJUSTMENT VALVE AND SUCKBACK VALVE PROVIDED WITH SAME
A timing adjustment valve (101) is provided with: a pilot body in which a first port, a second port, and a drive port are formed; a check valve mechanism (101b) that allows fluid to flow from the first port to the second port and prevents fluid from flowing from the second port to the first port; and a timing adjustment mechanism (101a) that opens and closes an internal flow path on the basis of supply and discharge of a drive fluid with respect to the drive port. The timing adjustment mechanism (101a) is arranged in parallel to the check valve mechanism (101b) in the internal flow path, and is configured to allow fluid to flow when the pressure of the drive fluid supplied to and discharged from the timing adjustment mechanism through the drive port is a preset value or less.
A suck-back valve (11) comprises: a valve body (13) in which a suck-back chamber (25) is formed; and a suck-back mechanism unit (17). The suck-back mechanism unit (17) comprises a suck-back piston (61) that is housed inside a suck-back cylinder chamber (59) and is able to slide between the two dead center positions, and a biasing member (63) for biasing the suck-back piston (61) in a direction that causes the volume of the suck-back chamber (25) to increase. The suck-back cylinder chamber (59) is demarcated by the suck-back piston (61) into a first air chamber (59a) and a second air chamber (59b). The biasing member (63) is disposed inside the first air chamber (59a). A standby position at which the suck-back piston (61) is located when the pressure of a drive fluid inside the second air chamber (59b) reaches a maximum is set to be separated from the dead center position of the side closer to the suck-back chamber (25).
This resin composition for a phenol foam contains: (A) a resol-type phenol resin; (B) an acidic curing agent; (C) a foaming agent; (D) urea; and (E) an aliphatic epoxy compound. This resin composition for a phenol foam can further contain, for example, (F) a solid phosphorous flame retardant; and (G) a plasticizer. The aliphatic epoxy compound (E) is preferably a compound having a glycidyl ether at at least one molecule terminus.
C08J 9/04 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent
34.
MOLD FORMING MATERIAL HAVING EXCELLENT SEIZURE RESISTANCE
The present invention provides a mold material from which it is possible to favorably form a mold that can effectively suppress or prevent development of casting defects related to seizure, insertion, etc. This mold forming material comprises a mixture containing a fireproof aggregate and a modified novolak-type phenol resin alone or a combination between the modified novolak-type phenol resin and a resol-type phenol resin, and is prepared by exposing, to heat for 1 hour at a temperature of 500°C, a cured product of said resin alone or a combination of said resins in a nitrogen atmosphere such that the volatilization rate, of the cured product, represented by the weight reduction rate becomes 45-60%.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 9/02 - Sand moulds or like moulds for shaped castings
C08L 61/04 - Condensation polymers of aldehydes or ketones with phenols only
The present invention provides a composition for molds, the composition being capable of advantageously producing a mold that is able to effectively suppress or prevent the occurrence of casting defects due to welding, metal penetration or the like. A resin composition for molds according to the present invention contains (a) a phenolic resin wherein the ratio of the sum of the peak area of a phenolic monomer and the peak area of a phenolic dimer to the total peak area as determined by gel filtration chromatography is 13.0% or more, and (b) a carbonization accelerator which accelerates carbonization of the phenolic resin; and this resin composition for molds is prepared so that, with respect to the measurement of the gas generation amount in a reducing atmosphere at 850°C of (c) a cured product, which is obtained by completely curing this resin composition for molds at 150°C, the ratio of the gas generation amount for 20 seconds from the beginning of the measurement to the total gas generation amount is 50% or more.
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
C08L 61/04 - Condensation polymers of aldehydes or ketones with phenols only
C04B 24/30 - Condensation polymers of aldehydes or ketones
B22C 9/02 - Sand moulds or like moulds for shaped castings
A valve device includes a valve main body having a valve chamber, and inflow and outflow passages communicating with the valve chamber; an annular valve seat surrounding an opening from the inflow passage to the valve chamber; and a valve element moved to contact with and separate from the valve seat. One of the valve seat and the valve element includes a contact surface, and the other of the valve seat and the valve element includes an annular raised rib. The rib has at a top thereof an annular sealing part contacting the contact surface to provide sealing between the valve element and the valve seat. The sealing part includes an annular flat surface extending parallel to the contact surface, and two annular inclined surfaces provided adjacent to the flat surface on both sides and inclined to the flat surface to extend in a direction away from the contact surface.
F16K 7/16 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being mechanically actuated, e.g. by screw-spindle or cam
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
F16K 31/126 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
C08G 8/10 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
The present invention provides an on-site mixing and spraying method which is capable of effectively preventing deterioration of a mixture of a polyisocyanate and a polyol and/or an organic phosphoric acid ester by a catalyst when the mixture is sprayed by an on-site spraying device, while effectively reducing the disposal of the mixture, into which the catalyst has been mixed, after the completion of the spraying work. A method according to the present invention, wherein a sprayed layer is formed by spraying a first liquid containing a polyisocyanate and a second liquid containing a polyol and/or an organic phosphoric acid ester by an on-site spraying device, is configured such that a third liquid containing a catalyst is prepared and mixed into the second liquid through a third supply system 20 that is connected to a second supply system 14, which is positioned in the upstream of the mixing position of the first and second liquids, at a position that is not away from the mixing position by more than 5 m.
B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying
B05D 7/24 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
Provided is an external liquid supply device which, in a foamer that mixes a first liquid and a second liquid and sprays and applies the mixture to an application target object, is capable of simply supplying a third liquid to the first and/or second liquid. This external liquid supply device, which is connected to a first supply system and a second supply system and supplies a third liquid in a predetermined field spray-type foamer, is constituted by: 1) a tank that stores the third liquid; 2) a liquid supply flow path which is detachably connected to the first or second supply system and guides the third liquid supplied from the tank to the first or second supply system; 3) a flow rate adjustment valve which controls the flow rate of the third liquid supplied to the first or second supply system via the liquid supply path; and 4) a pump which is disposed at a portion on a further upstream side than the flow rate adjustment valve of the liquid supply path, and sends out the third liquid guided from the tank.
A diaphragm valve includes: a valve main body having formed therein a valve chamber, and an inflow passage and an outflow passage being in communication with the valve chamber; an annular valve seat formed in the valve chamber; a diaphragm contacting and separating from the valve seat; and a drive unit driving the diaphragm. The drive unit has a drive unit housing attached to the valve main body so that an outer peripheral edge portion of the diaphragm is sandwiched between the valve main body and the drive unit housing, and the drive unit housing is formed of an electroconductive fluorine resin material.
F16K 41/10 - Spindle sealings with diaphragm, e.g. shaped as bellows or tube
F16K 7/17 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
Provided is a thermosetting resin composition with improved heat shock resistance and a thermosetting resin composition that imparts metal/resin-composite integrated products with excellent characteristics through an insert molding operation using a metal insert. According to the present invention, a thermosetting resin composition is formed by combining elastomer and fiberglass with a thermosetting resin and configuring the elastomer/thermosetting resin content ratio to be greater than 1.0 by mass.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
A plumbing connection device (11) is provided with: a first base (17) and a second base (19) that are movable along a movement axis (M); a pipe member holding mechanism (23) for holding a pipe member (P1) such that a central axis (O1) of the pipe member extends in parallel with the movement axis; and a plumbing member holding mechanism (25) that holds the plumbing member. The plumbing member holding mechanism includes: a support column that is erected on an upper surface of the second base so as to extend along a central axis (O3) orthogonal to the central axis (O1) of the pipe member; and a holding adapter that is supported by the support column and holds the plumbing member. When the plumbing member is held by the holding adapter, a central axis (O2) of the plumbing member is disposed in a plane at a position at the same height as the central axis (O1) of the pipe member.
A diaphragm valve includes: a valve body having formed therein a first valve chamber, a second valve chamber and a communication passage communicating between the two valve chambers; a valve seat formed in the communication passage; a valve mechanism including a diaphragm supporting a valve element that comes in contact with and separates from the valve seat and a second diaphragm; a pressurizing unit being configured to pressurize the first diaphragm so as to press the valve element against the valve seat; and a bonnet for holding an outer peripheral part of the second diaphragm between the bonnet and the valve body. The pressurizing unit is configured as a single integrated unit holding therein a movable body that moves in conjunction with the valve element via a stem.
F16K 7/14 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
F16K 31/126 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
This butterfly valve (11) comprises: a valve main body (13) of which at least the surface is formed from a resin material and in which an internal flow path is formed; a valve shaft (15) rotatably supported by the valve main body; a valve body (19) that is connected to the valve shaft, rotatably supported by the valve main body, and positioned inside the internal flow path; and a bush (21) externally fitted over the valve shaft. The valve main body is provided with bearing holes (25, 27) that rotatably support the valve shaft (15) via the bush (21). The bearing holes (25, 27) have open parts that open into the internal flow path. The bearing holes (25, 27) and the bush (21) have shapes such that, in regions adjacent to the open parts, gaps are formed between the inner peripheral surfaces of the bearing holes (25, 27) and the outer peripheral surface of the bush (21).
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
F16K 1/32 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces Details
A butterfly valve provided with: a valve body in which an internal flow passage is formed; a seat ring attached to an inner peripheral surface of the internal flow passage; a valve shaft supported by the valve body so as to be able to rotate around an axis of rotation; and a valve element (19) supported on the valve body via the valve shaft so as to be able to rotate. The valve element (19) has an annular outer circumferential surface (45), and two valve shaft openings for enabling insertion of the valve shaft are formed at opposing positions in the rotation axis direction on the outer circumferential surface. Two annular opening raised parts (47), which extend along the circumferential edge of the respective valve shaft openings, and a circumferential raised portion (49), which extends so as to connect the two opening raised parts, are provided on the outer circumferential surface of the valve element, and the circumferential raised portion has a circumferential seal surface (49a) extending along the apex portion thereof, and chamfered surfaces (49b) extending obliquely on both sides of the circumferential seal surface.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
This butterfly valve (11) comprises a main valve body (13), a valve shaft (15) rotatably supported by the main valve body (13), a valve body (19) rotatably supported by the main valve body (13), and a bush (21) fitted on the valve shaft (15). The valve body (19) includes a core material (35) and a contour forming member (33) which is made of a resin material and surrounds the core material (35) to form the contour of the valve body, valve shaft holes (37, 39) that support the valve shaft (15) via the bush (21) are provided in the valve body (19), the contour forming member (33) has a shaft hole forming part (41) that forms inner peripheral surfaces of the valve shaft holes (37, 39), and the bush (21) and the valve shaft (15) have a shape in which a gap is formed between an inner peripheral surface of a part of the bush (21) located inside the shaft hole forming part (41) and an outer peripheral surface of a part of the valve shaft (15) located inside the shaft hole forming part (41).
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
F16K 1/32 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces Details
48.
FOAM COMPOSITION FOR FLAME-RETARDANT POLYISOCYANURATE FOAM AND METHOD FOR PRODUCING FLAME-RETARDANT POLYISOCYANURATE FOAM USING SAID FOAM
Provided is a foam composition that yields a polyisocyanurate foam having a low calorific value upon combustion and excellent self-extinguishing properties, said composition also being capable of advantageously forming a polyisocyanurate foam having higher flame retardancy even in the presence of a skin layer. In a foam composition configured from a composition A containing a polyisocyanate and a polyol-free composition B containing at least a trimerization catalyst as a catalyst, said composition being capable of forming a polyisocyanurate foam via an isocyanuration reaction caused by the trimerization catalyst and foaming caused by a foaming agent, the composition B also contains a liquid organic phosphoric acid ester and a powdered phosphorus-containing flame retardant.
A method is provided which advantageously enables industrial production of molds with improved mold properties such as strength, moisture resistance and scratch hardness. By adding an aqueous medium to dry-state coated sand obtained by covering the surface of a fire-resistant aggregate with a water-soluble binder, wet-state coated sand is formed in a heated state, and then, while maintaining the heated state, the wet-state coated sand is filled in a prescribed preheated mold, and molding is carried out.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/16 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
B22C 9/02 - Sand moulds or like moulds for shaped castings
The present invention provides a mold material for a shell mold which makes it possible to advantageously mold a shell mold capable of effectively suppressing or preventing an occurrence of a molding defect relating to a casting surface, veining, a pin hole, or the like. This mold material for a shell mold is prepared in such a manner as to comprise a mixture including a fire resistant aggregate, phenol resin, and a tar generating material of which a residual carbon rate acquired by a thermogravimetric analysis in a nitrogen atmosphere is less than 30 mass%, and set a tar generating amount at a time when a mold made of the mixture is heated at 600°C for 6 minutes to be equal to or more than 3 mg per gram of the mold.
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
A pinch valve 1 comprises: a tubing 3 which is made of an elastic material and has a flow passage formed therein; a pressing part 4; a rod member 6 mounted to the tip of the pressing part 4; and a coupling part 35 which is arranged on the outer surface of the tubing 3 and with which the rod member 6 is coupled to the tubing 3 in a traverse arrangement relative to the tubing 3. The pinch valve 1 is configured to cause the pressing part 4 to press the rod member 6 against the tubing 3 or to release the pressure from the tubing 3 such that the flow passage is opened or closed by deforming the tubing 3.
F16K 7/04 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force
F16K 7/06 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force by means of a screw-spindle, cam, or other mechanical means
A pinch valve 1 is provided with a pipe body 3 which has a cylindrical pipe main body 31 and annular flanges 32 provided to both ends of the pipe main body 31 and which is composed of an elastic material having a flow passage formed therein; and a holding member 20 which is integrally formed and which is capable of housing the pipe body 3. At least one of the flanges 32 is configured to protrude, at an end of the pipe main body 31, radially outward via a bent part 33. In the bent part 33, a first curved surface section 33a is provided on the outer side of the pipe body 3, and a second curved surface section 33b is provided on the inner side of the pipe body 3. In a cross-section that passes a central axis line of the pipe body 3, the maximum curvature radius R1 of the first curved surface section 33a is formed to be smaller than the maximum curvature radius R2 of the second curved surface section 33b.
F16K 7/06 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force by means of a screw-spindle, cam, or other mechanical means
An electric actuator includes a housing, an electric driving unit, an selector member being rotatable about a rotation axis and moving in a direction of the rotation axis, a position holding member and detection object provided in the selector member, a detector, an engagement groove provided on a cooperation surface inside the housing, and a biasing member biasing the selector member in the direction of the rotation axis to make the position holding member approach the cooperation surface. The engagement groove is formed so that the detection object is positioned in one of a detectable area and an undetectable area when the position holding member is engaged with the engagement groove, and the detector is configured to switch between supply and cutoff of power to the electric driving unit in accordance with whether or not the detection object is detected.
F16K 31/05 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
G01V 11/00 - Prospecting or detecting by methods combining techniques covered by two or more of main groups
In this butterfly valve (10) provided with: a main body (11); valve shafts (13, 14); and a valve body (30) that is rotatable with respect to the main body, the valve body is formed integrally from a core material (32) and a contour forming member (31) that is formed from a synthetic resin material and that encircles the core material and forms the contour of the valve body. The valve body has bearing holes (33, 34) that support the valve shafts, the contour forming member has a bearing inner peripheral part (36) that forms at least a part of the inner peripheral surface of each of the bearing holes, the contour forming member is formed continuously with the bearing inner peripheral part, and the core material has a bearing reinforcing part (35) that supports the bearing inner peripheral part of the contour forming member, radially outside from the rotation axis of the valve body.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
This valve device comprises: a valve main body (13) having a valve chamber (19), and an inlet channel (25) and an outlet channel (29) that are in communication with the valve chamber; an annular valve seat (21) formed around an opening of the inlet channel (25) toward the valve chamber; and a valve disc (15) that is attached to or detached from the valve seat (21) by a drive unit. One of the valve seat (21) and the valve disc (15) is provided with a contact surface (61), and the other of the valve seat (21) and the valve disc (15) is provided with a raised annular rib (59). The top of the rib (59) has an annular seal part (63) that makes contact with the contact surface (61) to provide sealing between the valve disc and the valve seat. The seal part (63) includes an annular flat surface extending parallel to the contact surface (61) and two annular inclined surfaces provided adjacent to two sides of the flat surface and extending at an angle to the flat surface in directions away from the contact surface.
c) projecting in both directions of a lateral direction are formed at multiple positions of the groove (10) so that the groove (10) can accept various flange connection standards.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
58.
RESIN COMPOSITION FOR MANUFACTURING PHENOLIC FOAM, AND PHENOLIC FOAM AND METHOD FOR MANUFACTURING SAME
To provide a resin composition for manufacturing a phenolic foam, said resin composition enabling the profitable production of a phenolic foam that exerts an excellent heat insulation performance over a medium-to-long term from immediately after the production and, moreover, exhibits a highly excellent compression strength. A resin composition for manufacturing a phenolic foam is prepared by using 1-chloro-2,3,3,3-tetrafluoropropene, which is a foaming agent, as an essential component together with a resol-type phenolic resin and an acid curing agent.
C08L 61/06 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
An eccentric butterfly valve includes a valve body formed therein with an internal flow passage extending in a direction of the flow passage axis, a valve member supported by the valve body through valve stems to be rotatable about a rotation axis perpendicular to the flow passage axis, and a seat ring attached to an inner periphery of the internal flow passage. The valve stems include a first valve stem and a second valve stem. The valve body is formed therein with a stem through-hole through which the first valve stem is inserted and a stem bottomed-hole supporting the second valve stem. The valve member is provided with a fitting hole and an engagement groove. A fitting portion provided at the first valve stem is fitted into the fitting hole and an engagement portion provided at the second valve stem is inserted into the engagement groove.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
An eccentric butterfly valve includes a valve body formed therein with an internal flow passage extending in a direction of the flow passage axis, a disk-shaped valve member disposed in the internal flow passage and supported by the valve body through valve stems to be rotatable about a rotation axis R, and an annular valve seat portion provided on an inner periphery of the internal flow passage, and the internal flow passage is opened and closed by rotating the valve stem to bring a sealing surface of an outer peripheral edge portion of the valve member into and out of contact with the valve seat portion. The valve member is further provided in one of the principal surfaces with a groove portion extending in a direction across the rotation axis R, and both side walls of the groove portion are formed as convex curved surfaces extending in a convex shape.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
A butterfly valve includes a valve body with an internal flow passage extending in a direction of a flow passage axis, a disk-shaped valve member supported in the internal flow passage rotatably about a rotation axis perpendicular to the flow passage axis and having a spherical valve seat surface in an outer peripheral portion, an annular recessed portion surrounding the internal flow passage on the side surface of the valve body in a direction of the flow passage axis, and a seat ring attached to the annular recessed portion such that a valve seat portion provided in an inner peripheral edge portion thereof projects into the inner flow passage. The valve seat portion has a triangular cross section and is formed such that a bisector of a vertex angle in the triangular cross section of valve seat portion is perpendicular to a tangential line to the valve seat surface.
Provided is a mold material composition from which a mold having satisfactory collapsibility can be formed advantageously and a refractory aggregate (sand) that is collected after casting can be regenerated easily. A mold material composition is prepared using, as essential components, (a) a refractory aggregate, (b) a binder containing water glass as an essential component, and (c) a neutralizing agent with which a decomposition product generated by heating during casting can cause a neutralization reaction with an alkaline component in the water glass.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
A diaphragm valve (11) equipped with: a valve main body (13) having formed therein a valve chamber (19), and an inflow passage (25) and an outflow passage (29) communicating with the valve chamber (19); an annular valve seat (21) formed in the valve chamber (19); a diaphragm (15) that contacts and separates from the valve seat (21); and a drive unit (17) that drives the diaphragm (15). A drive unit case (31) of the drive unit (17) is coupled to the valve main body (13) such that an outer peripheral edge portion of the diaphragm (15) is sandwiched between the valve main body (13) and the drive unit case, and the drive unit case (31) is formed from an electroconductive fluorine resin material.
F16K 7/16 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being mechanically actuated, e.g. by screw-spindle or cam
F16K 7/17 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
64.
Coated sand, production method for same, and production method for casting mold
Provided are: a coated sand having improved fluidity and being capable of improving a filling rate of a casting mold to be obtained; and a coated sand for advantageously manufacturing a casting mold having excellent strength, which coated sand provides a casting mold with good mold-releasability and collapsibility, gives cast products a favorable casting surface, and effectively improves sand adhesion on cast products. The coated sand is formed as a dry granular material having fluidity at room temperature, in which the surface of a refractory aggregate is coated with a solid layer of a water-soluble inorganic binder, and spherical particles of silicone resin having binder-repellency exist on the surface of the binder layer, or form a layer on the surface of the binder layer, a part of the spherical particles being not covered with the water-soluble inorganic binder and being exposed.
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 9/02 - Sand moulds or like moulds for shaped castings
C04B 20/00 - Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups and characterised by shape or grain distributionTreatment of materials according to more than one of the groups specially adapted to enhance their filling properties in mortars, concrete or artificial stoneExpanding or defibrillating materials
B22C 1/16 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents
B22D 23/00 - Casting processes not provided for in groups
65.
Mold material, method of producing the same, and method of producing casting mold
Provided are: a mold material having improved fluidity and being capable of improving a filling rate of a forming mold during formation of a casting mold; and a mold material that gives cast products a favorable casting surface, effectively improves sand adhesion on cast products, and advantageously provides a casting mold having excellent strength. The mold material is formed as a coated sand in a wet state with spherical particles of silicone resin having binder repellency existing on its surface, by at least mixing a water-soluble inorganic binder in the liquid state having a viscosity of not more than 1000 cP, and the spherical particles of silicone resin, with a refractory aggregate.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
B22C 9/02 - Sand moulds or like moulds for shaped castings
B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
A diaphragm valve (10) is provided with: a valve body (11) in which a first valve chamber (16), a second valve chamber (20), and a communicating path (22) providing communication between the two valve chambers are formed; a valve seat (23) formed in the communicating path; a valve mechanism (12) including a first diaphragm (24) supporting a valve body portion (24a), which comes into and out of contact with the valve seat, and a second diaphragm (25); a pressurizing unit (14) which, together with the valve body, sandwiches the outer periphery of the first diaphragm, and pressurizes the first diaphragm so as to press the valve body portion toward the valve seat; and a bonnet (13) which, together with the valve body, sandwiches the outer periphery of the second diaphragm. The pressurizing unit (14) is configured as an integrated unit internally holding a movable body (37) that moves in conjunction with the valve body portion (24a) via a stem (38).
F16K 7/17 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
F16K 31/126 - Operating meansReleasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
69.
EXPANDABLE COMPOSITION FOR NON-FLAMMABLE POLYURETHANE FOAMS
The present invention provides an expandable composition which is capable of advantageously forming a non-flammable polyurethane foam that has synergistically enhanced flame retardancy. The present invention also provides an expandable composition which is capable of advantageously forming a non-flammable polyurethane foam that has an enhanced degree of freedom in coloring without losing the color of a polyurethane resin itself. According to the present invention, an expandable composition for polyurethane foams, which contains a composition A containing a polyol, a composition B containing a polyisocyanate and an expanding agent, is configured to contain, as a catalyst, at least a trimerization catalyst, while being configured such that at least one of the composition A and the composition B contains an organic metal phosphinate salt in an amount of 30 parts by mass or more relative to 50 parts by mass of the polyol.
Provided is a semi-noncombustible phenolic-resin composition that is a phenolic-resin composition which contains a resole-type phenolic resin as an essential component and which is capable of advantageously giving semi-noncombustible foam materials according to the Building Standards Law, the foam materials having synergetically improved flame retardant performance or fire-proofing performance while retaining the useful properties of the foam. The phenolic-resin composition comprises a resole-type phenolic resin, a blowing agent, and an acid hardener and further contains a flame retardant that is a combination of a first ingredient, which comprises a red phosphorus powder, and a second ingredient, which comprises at least one flame retardant selected from the group consisting of phosphorus-based flame retardants excluding red phosphorus, inorganic flame retardants, halogen-compound flame retardants, and graphite-based flame retardants.
C08L 61/08 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with monohydric phenols
C08J 9/04 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent
C08K 3/016 - Flame-proofing or flame-retarding additives
Provided is a flame-retardant phenolic-resin composition which solves problems caused by incorporating ammonium polyphosphate, which can impart a high degree of flame retardancy, into phenolic-resin compositions containing a resole-type phenolic resin as an essential component and which can advantageously give flame-retardant materials according to the Building Standards Law of Japan. The flame-retardant phenolic-resin composition is a phenolic-resin composition which comprises a resole-type phenolic resin and an acid hardener and further contains a flame retardant at least including an ammonium polyphosphate powder having a surface-coating layer.
C08L 61/08 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols with monohydric phenols
C08J 9/04 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent
Provided is a resin composition for phenolic foam production, the resin composition being capable of imparting, to a phenolic foam formed by using a specific blowing agent having a low global warming potential, both further improved flame retardancy and excellent thermal insulation properties from immediately following production and over the medium to long term. The resin composition for phenolic foam production contains a resol-type phenolic resin as an essential component, also contains, as a blowing agent, a chlorinated aliphatic hydrocarbon and/or an aliphatic hydrocarbon, or a halogenated alkene, and can be foamed and cured by an acid curing agent. The resin composition for phenolic foam production further contains a red phosphorus powder dispersed therein.
C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
(1) Medical catheters and their parts and accessories; medical guide wires and their parts and accessories; medical stent and their parts and accessories; threads, coils, tubing and ropes (metal or non-metal) as part of medical instruments, namely medical catheters and endoscopy cameras; polypectomy snares; medical instruments having a wire cage and slitted tube cage for capturing foreign objects in human bodies; endoscopic cleaning brushes; medical instruments for general examination for minimally invasive procedures
Provided is a pinch valve wherein a fluid inside a pipe body does not flow to the outside of the pinch valve even if the pipe body has broken. A pinch valve (1) comprises: a valve unit (2); a pipe body (3) in the interior of which a flow passage is formed, and which is accommodated in the valve unit (2); a pressing part (4) that deforms the pipe body (3) by pressing or releasing the pressing of the pipe body (3), thereby opening/closing the flow passage; and a drive unit (5) for driving the pressing part (4). The pinch valve further comprises a seal unit for sealing against the transfer of fluid between the exterior of the pinch valve (1) and a space in the vicinity of the outer surface of the pipe body (3).
F16K 7/06 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force by means of a screw-spindle, cam, or other mechanical means
An electric actuator comprising: a housing; an electric driving unit; a selector member (61) capable of rotating around a rotational axis and capable of moving in the rotational axis direction; a position-holding member (65) and a detection object (63) provided on the selector member (61); a detector (67); an engagement groove provided on a cooperation surface inside the housing; and a biasing member (71) for biasing the selector member (61) in the rotational axis direction such that the position-holding member (65) approaches the cooperation surface. The engagement groove is formed such that when the position-holding member (65) is engaged in the engagement groove the detection object (63) is positioned either in a detection-possible region or a detection-impossible region, and the detector (67) is configured so as to supply power or shut off power to the electric driving unit in accordance with whether the detection object (63) is being detected.
F16K 31/05 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
79.
Butterfly valve seat ring and butterfly valve provided with same
A seat ring for a butterfly valve is mounted on an inner peripheral surface of an internal flow passage extending along the flow passage axis in a valve body of the butterfly valve, so that an outer peripheral edge surface of a valve element supported to be rotatable in the internal flow passage by a valve stem supported by the valve body abuts on the seat ring. The seat ring includes a ring body having a cylindrical shape and extending in the center axis direction, and the ring body is formed at positions opposite to each other in a radial direction of the ring body with a pair of through-holes for allowing the valve stem to pass through. On an outer peripheral surface of the ring body, arcuate projections extending in a circumferential direction are formed apart from the pair of through-holes.
A method for monitoring a pinch valve, the method may include sensing an electrical parameter of at least one flexible sensor during a monitoring period to provide multiple values of the sensed electrical parameter; wherein the at least one flexible sensor comprises piezoresistive nanomaterials, wherein the piezoresistive nanomaterials are directly coupled to a flexible conduit of the pinch valve; wherein the sensed electrical parameter is indicative of a flexible conduit parameter selected out of stress and pressure; and estimating, based on the multiple values of the sensed electrical parameter, a state of the pinch valve.
F16K 7/00 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 7/02 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm
81.
Resin composition, molded product and production method thereof
Provided is a resin composition having improved fluidity in a molten state maintained without lowering heat resistance, containing: a polymer being a reaction product of a first organic compound having a phenolic hydroxyl group and a second organic compound having a glycidyl group, Mw of the polymer being no greater than 10,000; and a thermoplastic resin other than the polymer. A proportion of the polymer contained in the resin composition is from 0.1% to 30% by mass. A melting point of the thermoplastic resin is no less than 200° C. The thermoplastic resin has a benzene ring in a molecule. The polymer and the thermoplastic resin have blended to form a homogeneous phase. Also provided are a molded product formed from the aforementioned resin composition, and a production method of a molded product including: kneading the resin composition by chaotic mixing; and molding a kneaded product obtained after the kneading.
B29B 7/14 - MixingKneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with screw or helix
C08J 3/00 - Processes of treating or compounding macromolecular substances
C08L 61/26 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
C08L 101/00 - Compositions of unspecified macromolecular compounds
In this butterfly valve (10) provided with: a main body (11); valve shafts (13, 14); and a valve body (30) that is rotatable with respect to the main body, the valve body is formed integrally from a core material (32) and a contour forming member (31) that is formed from a synthetic resin material and that encircles the core material and forms the contour of the valve body. The valve body has bearing holes (33, 34) that support the valve shafts, the contour forming member has a bearing inner peripheral part (36) that forms at least a part of the inner peripheral surface of each of the bearing holes, the contour forming member is formed continuously with the bearing inner peripheral part, and the core material has a bearing reinforcing part (35) that supports the bearing inner peripheral part of the contour forming member, radially outside from the rotation axis of the valve body.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
This butterfly valve (11) is provided with: a valve main body (13) in which an internal flow path extending in the flow path axial direction is formed; a disc-shape valve body (15) which is supported in the internal flow path so as to be capable of rotating around a rotation axis perpendicular to the flow path axis and which has a spherical valve seat surface (15d) on the outer periphery; an annular recess (21) which is formed around the internal flow path on the flow path axial side surface of the valve main body (13); and an annular seat ring (17) which is attached to the annular recess (21) such that a valve seat portion (17a) provided in the inner peripheral edge protrudes into the internal flow path. The valve seat portion (17a) has a triangular cross section, and is formed such that a bisector (51) bisecting the apical angle of the triangular cross-section of the valve seat portion (17a) is perpendicular to the tangent line (49) of the valve seat surface (15d) at the point where the apex of the valve seat portion (17a) and the valve seat surface (15d) touch.
This butterfly bulb (11) is provided with: a valve main body (13) in which an internal flow path (13a) extending in a flow path axis direction is formed; a disc-shape valve body (15) which, in the internal flow path (13a), is supported on the valve main body (13) with a valve shaft (31, 33) interposed therebetween, capable of rotating around a rotation axis R; and an annular valve seat (17b) provided on the inner periphery of the internal flow path. Rotation of the valve shaft causes a seal surface (15d) of the outer peripheral edge of the valve body to contact and separate from the valve seat, opening and closing the internal flow path. Furthermore, a groove (25) extending in a direction crossing the rotation axis R is provided in one principal surface (15a) of the valve body, and both side walls (25a, 25b) of the groove are formed as convex curved surfaces extending convexly towards each other in the direction of the rotation axis R.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
This eccentric butterfly valve (11) is provided with: a valve main body (13) in which an internal flow path (13a) extending in the flow path axis direction is formed; a valve body (15) which is supported by the valve main body with a valve shaft interposed therebetween, capable of rotating around a rotation axis perpendicular to the flow path axis; and a seat ring (17) which is attached to the inner periphery of the internal flow path. The valve shaft is configured from a first valve shaft (31) and a second valve shaft (33). A shaft through-hole (39) through which the first valve shaft is inserted and a shaft bottomed-hole which supports the second valve shaft are formed in the valve main body. A fitting hole (35) and an engagement groove (37) are formed in the valve body. A fitting part (31a) provided on the distal end of the first valve shaft is fitted into the fitting hole, and an engagement part provided on the distal end of the second valve shaft is inserted into the engagement groove in a direction perpendicular to the rotation axis.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
The purpose of the present invention is to provide a pipe aligning mechanism for a butterfly valve, which is easy to use and with which aligning work in pipe construction can be carried out in a simple manner. In the present invention, a groove (10) through which a positioning tool (11) is inserted is provided in a bottom part of a top flange (6). An end surface position of the groove (10) is on a surface where a valve box (10) joins with a pipe flange (7). The groove (10) is punched into a vertically long ellipse shape, and groove step parts (10a, 10b, 10c) extending in both lateral directions are formed in a plurality of positions in the groove (10) so that the mechanism can be adapted to various flange connection standards.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
F16K 27/00 - Construction of housingsUse of materials therefor
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
87.
COATED SAND, PRODUCTION METHOD FOR SAME, AND PRODUCTION METHOD FOR CASTING MOLD
The present invention provides: a casting mold material that has further improved fluidity and makes it possible to further improve fill rate for a casting mold that is obtained by molding; and a casting mold material that has good casting mold release properties and disintegration, gives castings a favorable casting surface, can effectively ameliorate sand deposition on castings, and can advantageously provide a casting mold that has superior strength. The present invention is characterized by being a dry granular material that is fluid at room temperature and is the product of a water-soluble inorganic binding agent being used to form a solid binder layer on a fire-resistant aggregate such that the surface of the aggregate is coated, and binding-agent-repellant spherical silicone resin particles being attached to and forming a layer on the surface of the binder layer such that a portion of the spherical silicone resin particles is not covered by the water-soluble inorganic binding agent and is exposed.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 1/00 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
88.
CASTING MOLD MATERIAL, PRODUCTION METHOD FOR CASTING MOLD MATERIAL, AND PRODUCTION METHOD FOR CASTING MOLD
Provided are: a casting mold material that has further improved fluidity and makes it possible to further improve the fill rate of a forming mold during casting mold molding; and a casting mold material that gives castings a favorable casting surface, can effectively ameliorate sand deposition on castings, and can advantageously provide a casting mold that has superior strength. A casting mold material that is a wet coating sand that has binding-agent-repellent spherical silicone resin particles on the surface thereof and is formed by at least mixing a liquid water-soluble inorganic binding agent that has a viscosity of no more than 1,000 cP and the spherical silicone resin particles with a fire-resistant aggregate.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 9/02 - Sand moulds or like moulds for shaped castings
89.
MOLD MATERIAL AND MANUFACTURING METHOD THEREFOR, MOLD AND MANUFACTURING METHOD THEREFOR, AND MOLDING SAND REGENERATION METHOD
The present invention provides a green molding material that results in an end-product mold exhibiting excellent collapsibility, makes it easy to recycle the sand recovered from a post-casting mold, and is unlikely to cause odor issues. The green molding material is obtained by forming an organic compound-containing solid coating layer on the surface of molding sand and then coating the molding sand, on which the coating layer has been formed, with a liquid binder composition that contains a water-soluble inorganic binder.
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
Provided are a coupler that can be produced at a low cost and easily attached to and detached from an actuator and a valve without using a fastener, and a removal tool for the same. According to a coupler (3) for an actuator (4) and a valve (2), which is sandwiched detachably between the actuator (4) and the valve (2), the valve (2) is provided with a flange portion (22) protruding from an outer periphery of a valve main body, and the coupler (3) is provided with an elastically deformable hook portion (31) biting into an outer periphery of the flange portion (22) to prevent detachment of the coupler (3), and a fixing portion (35) fastened to the actuator (4).
F16K 27/00 - Construction of housingsUse of materials therefor
B25B 27/14 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
91.
URETHANE HARDENING TYPE ORGANIC BINDER FOR MOLD, AND CASTING SAND COMPOSITION AND MOLD OBTAINED USING SAME
The present invention addresses the problems of: providing a urethane hardening type organic binder which can achieve an improvement in the strength of a mold and resistance to deterioration of the mold due to moisture, and which can advantageously obtain a mold in which packing density can be effectively increased; and providing a urethane hardening type organic binder for a mold, that can effectively improve mold strength which follows the mold being left to stand after shaping. This urethane hardening type organic binder is used for shaping a urethane-based mold, and is configured to contain, as constituent components, a polyol compound, a polyisocyanate compound, and additionally a reaction product of a basic first silane compound and hydrofluoric acid and a non-basic second silane compound.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
The present invention provides a mold material that enables a mold, which is a final product of the mold material, to suppress adhesion of the mold material and/or a solidified product thereof to a molded article, while having excellent mold strength and excellent mold fillability. This mold material is configured to contain at least (a) a refractory aggregate, (b) a water-soluble inorganic binder and (c) a powder of an iron-containing compound; and the powder of an iron-containing compound has an average particle diameter of 0.01 μm or more but less than 50 μm.
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
A fluid mixing device includes a fluid mixing unit, a concentration measurement unit, a mixing ratio control unit controlling a mixing ratio of different fluid components in the fluid mixing unit based on a concentration of a mixed fluid measured by the concentration measurement unit, a flow rate measurement unit, and a flow rate control unit controlling a flow rate of the mixed fluid based on the flow rate of the mixed fluid measured by the flow rate measurement unit. The concentration measurement unit, the flow rate measurement unit, and the flow rate control unit are arranged on the downstream side of the fluid mixing unit. A flow passage of the concentration measurement unit, a flow passage of the flow rate measurement unit, and the elastic tube of the flow rate control unit are arranged to extend along a flow passage axis on a line with each other.
F16K 7/04 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force
F16K 31/04 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a motor
G01F 1/00 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
17 - Rubber and plastic; packing and insulating materials
20 - Furniture and decorative products
Goods & Services
Valves of plastic, machine element not for land vehicles. Pipe fittings of plastic; gaskets; joint packing; plastic
pipes. Valves of plastic, other than parts of machines.
17 - Rubber and plastic; packing and insulating materials
20 - Furniture and decorative products
Goods & Services
Valves, not for land vehicles. Valves of rubber or vulcanized fiber [not including machine
elements]; fittings for pipes, not of metal. Valves of plastic, not including machine elements.
Provided is a ball valve configured to prevent foreign substances from occurring within the ball valve and also to prevent fluid from stagnating within the ball valve. This ball valve is provided with a flow rate regulation seat (4) located inside a valve chamber (13) at a position close to a second flow passage (12) and configured to adjust the flow rate of fluid flowing through a first flow passage (11) and the second flow passage (12). The flow rate regulation seat (14) is provided with an annular seat section (42) and a flow rate regulation section (44) which is located on the inner peripheral side of the seat section (42). The seat section (42) is provided with a seal surface (43) on which a ball valve body (2) slides and which seals fluid. The flow rate regulation section (44) is provided with: a flow rate regulation opening (46) for providing communication between the second flow passage (12) and the valve chamber (13); and a guide surface (47) continuously connected to the seal surface (43) and configured to separate from the ball valve body (2) and to guide fluid. The gap between the guide surface (47) and the ball valve body (2) continuously increases from the outer peripheral edge of the guide surface (47) toward a flow passage axis.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
98.
URETHANE CURABLE ORGANIC BINDING AGENT FOR MOLD, CASTING SAND COMPOSITION OBTAINED USING SAME, AND MOLD
The purpose of the present invention is to provide a urethane curable organic binding agent with which a mold having improved resistance to deterioration in strength due to moisture can be advantageously obtained, and also to provide a urethane curable organic binding agent for mold with which the mold strength due to being left after shaping can be effectively improved. The urethane curable organic binding agent is used for shaping a urethane-based mold and is configured to include, as constituent components, a polyol compound, a polyisocyanate compound, and additionally a reaction product of a basic silane compound and an acid or a halide thereof.
B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
B22C 1/00 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds
C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
Provided is a mold material composition by which an ultimately obtained mold exhibits excellent strength and excellent disintegration properties. The mold material composition is constituted so as to contain at least a refractory aggregate, a caking additive containing water glass as an essential component, and at least one type of nitrate selected from the group consisting of alkali metal salts and alkaline earth metal salts of nitric acid.
B22C 1/02 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
B33Y 70/00 - Materials specially adapted for additive manufacturing
100.
COATED SAND, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING CASTING MOLD USING SAME
The present invention provides coated sand that has excellent water permeability and excellent releasability from a molding die when molding a casting mold. The coated sand also makes it possible to obtain excellent strength in a casting mold obtained as a final product. The coated sand is in a dry state, is fluid at room temperature, and is coated by a coating layer in which the surface of a fire-resistant aggregate contains water glass as a binder. The coating layer contains a surfactant.
B22C 1/10 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
B22C 1/18 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of inorganic agents
B22C 9/12 - Treating moulds or cores, e.g. drying, hardening
