A sealing device 10A comprises: an elastic material 40 that is directly or indirectly connected to a first member 2; a lip part 50 that contacts a contact surface (a first surface 3b or a second surface 3c) on a second member 3 side; and a conductive base material 30 that is integrally formed in contact with the elastic material 40 and is capable of assisting electrical connection between the first member 2 and the second member 3. The lip part 50 is formed by integrating a portion of the elastic material 40 and at least a portion of the conductive base material 30.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
A sealing device including a first member having a first cylindrical portion, of which end portion on an open side faces an outer side in a sealed space, and a second member having a second cylindrical portion, a disk portion, and an intermediate cylindrical portion. An end portion of the intermediate cylinder portion on an open side faces inner side in the sealed space. A communication path in a repeatedly bent shape communicating with the outer side is formed between the first cylindrical portion and the intermediate cylindrical portion when the sealing device is mounted in the sealed space. One of facing surfaces across the communication path is like a staircase in which steps are continuously provided to slope downward to the end portion of the intermediate cylindrical portion on an open side, and the other surface includes a plurality of protruding portions protruding to approach the one surface.
A sealing device to seal an annular space formed by a fixed side member and a rotation side member, including a first seal member and a second seal member, and being provided between the two members in a state in which the first and the second seal members are combined. The sealing device includes a coating layer having an easily scraped property and being provided at least at one place in a gap between facing regions in which the first and the second seal members are provided so as to face each other in an initial state in which the first and the second seal members are combined. The coating layer slidably contacts a region to which the coating layer faces in a state in which the first and the second seal members rotate relative to each other from the initial state.
In the present invention, a sealing device 10 seals an annular space S formed between an outer member and an inner member that rotate relative to each other, wherein the sealing device 10 comprises a first member 11 fitted to the outer member and a second member 14 fitted to the inner member, the first member includes a core member 12 and a sealing member 13, and the sealing member has a plurality of sealing lips 131. A first sealing lip 132 located the farthest radially outward among the sealing lips or a second sealing lip 133 located the farthest radially inward among the sealing lips is near to the second member or abuts the second member with no interference, and the other of the first and second sealing lips 132, 133 is abuts the second member with interference.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
B60B 35/14 - Torque-transmitting axles composite or split, e.g. half-axles; Couplings between axle parts or sections
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
F16J 15/3256 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
In this sealing device 10, a first member 20 is provided with a first cylindrical part 21 fixed to an inner peripheral surface 2a of an outer member 2, and a second member 30 is provided with a second cylindrical part 31 fixed to an outer peripheral surface 3c of an inner member 3 and a third cylindrical part 32 disposed outside the second cylindrical part 31. The sealing device has a mounting structure such that an annular gap 40 is formed between the first cylindrical part 21 and the third cylindrical part 32, and such that the first member 20 and the second member 30 are mounted in a sealed space 6. By varying the distance from the rotation axis L to the outer peripheral surface 3c of the inner member 3 along the circumferential direction, the distance from the rotation axis L to the outer peripheral surface 32a of the third cylindrical part 32 varies along the circumferential direction.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16J 15/3264 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
This sealing device 10 is provided with: a first cylindrical part 21 in which a first member 20 is fixed to the inner peripheral surface of an outer member 2; a second cylindrical part 31 in which a second member is fixed to the outer peripheral surface of an inner member 3; a third cylindrical part 32 disposed outside the second cylindrical part 31; and at least an outer surface part 38 where the third cylindrical part 32 appears on the outer peripheral surface. The sealing device has a mounting structure such that an annular gap 40 is formed between the first cylindrical part 21 and the third cylindrical part 32 and, by varying the thickness of the outer surface part 38 along the circumferential direction, the distance from the rotation axis L to the outer peripheral surface 38a of the outer surface part 38 varies along the circumferential direction.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16J 15/3264 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
There is provided a grease composition which is supplied between a plurality of lips provided in a sealing device that seals between a pair of members that rotate relative to each other, wherein the grease composition comprises a base oil (A), a thickening agent (B) and a rust preventive agent (C); a kinematic viscosity of the base oil (A) at 40° C. is 30 to 80 mm2/s; the thickening agent (B) is a diurea compound represented by Formula (1); and the composition comprises 5 to 15% by mass of the thickening agent (B) and 0.1 to 2.0% by mass of the rust preventive agent (C) based on the total of the grease composition.
There is provided a grease composition which is supplied between a plurality of lips provided in a sealing device that seals between a pair of members that rotate relative to each other, wherein the grease composition comprises a base oil (A), a thickening agent (B) and a rust preventive agent (C); a kinematic viscosity of the base oil (A) at 40° C. is 30 to 80 mm2/s; the thickening agent (B) is a diurea compound represented by Formula (1); and the composition comprises 5 to 15% by mass of the thickening agent (B) and 0.1 to 2.0% by mass of the rust preventive agent (C) based on the total of the grease composition.
R1—NHCONH—R2—NHCONH—R3 (1)
There is provided a grease composition which is supplied between a plurality of lips provided in a sealing device that seals between a pair of members that rotate relative to each other, wherein the grease composition comprises a base oil (A), a thickening agent (B) and a rust preventive agent (C); a kinematic viscosity of the base oil (A) at 40° C. is 30 to 80 mm2/s; the thickening agent (B) is a diurea compound represented by Formula (1); and the composition comprises 5 to 15% by mass of the thickening agent (B) and 0.1 to 2.0% by mass of the rust preventive agent (C) based on the total of the grease composition.
R1—NHCONH—R2—NHCONH—R3 (1)
wherein R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R1 and R3 are a linear or branched alkyl group having 8 to 22 carbon atoms.
There is provided a grease composition which is supplied between a plurality of lips provided in a sealing device that seals between a pair of members that rotate relative to each other, wherein the grease composition comprises a base oil (A), a thickening agent (B) and a rust preventive agent (C); a kinematic viscosity of the base oil (A) at 40° C. is 30 to 80 mm2/s; the thickening agent (B) is a diurea compound represented by Formula (1); and the composition comprises 5 to 15% by mass of the thickening agent (B) and 0.1 to 2.0% by mass of the rust preventive agent (C) based on the total of the grease composition.
R1—NHCONH—R2—NHCONH—R3 (1)
wherein R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R1 and R3 are a linear or branched alkyl group having 8 to 22 carbon atoms.
Thus, a grease composition is provided, which can suppress a torque difference due to a rotation direction and exhibits excellent sealing properties.
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
The present invention provides a multilayer body for sealing materials, the multilayer body having improved flame retardancy in comparison to the prior art. A multilayer body (10, 10a) for sealing materials according to one embodiment of the present invention comprises a first layer (1) which contains a flame-retardant silicone rubber compound and a second layer (2, 2a, 2b) which is a coating that contains a flame retardant. The flame retardant is an inorganic flame retardant that is not a metal hydroxide.
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/293 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
A sealing device to be provided in a bearing device for sealing an annular gap between an outer member and a flange. The sealing device includes a slinger attached to the flange by bolts press-fitted into a plurality of bolt holes provided at the flange. The slinger includes a main body portion in a hollow disk shape having insertion portions into which the bolts are inserted, an elastic seal being made of an elastic member and being integrally formed around the insertion portions of the main body portion, and a slinger cylindrical portion extending from an inner diametrical side end portion of the main body portion into axial direction and forming a first labyrinth by a gap between the slinger cylindrical portion and an outer circumferential face of the outer member.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
Provided is a laminate that enables a further improvement in flame retardancy as compared with a conventional laminate. A laminate in accordance with the present disclosure includes: a metal plate; and a silicone rubber layer provided on a surface of the metal plate, the silicone rubber layer containing a flame retardant silicone rubber compound and a fiber-based flame retardant, and the flame retardant silicone rubber compound being rated as V-0 or higher according to UL94 standard.
B05D 3/12 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
B05D 7/14 - 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 to metal, e.g. car bodies
11.
LAMINATE FOR SEALING MATERIALS, SEALING MATERIAL, AND BATTERY
A laminate for sealing materials which includes: a first layer that contains a flame-retardant silicone rubber compound; and a second layer that contains a fiber-based flame retardant, in which a content of an organic component in the second layer is 0 to 10% by weight.
B32B 19/04 - Layered products essentially comprising natural mineral fibres or particles, e.g. asbestos, mica next to another layer of a specific substance
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/24 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
In a connection structure of a pipe in which a first pipe provided outside a case and a second pipe provided inside the case are connected via a gasket while sealing a space between the first pipe and a through hole provided on a wall body of the case and a space between the through hole and the second pipe, the gasket has a tubular first holding portion, an inner circumferential first lip portion, an outer circumferential lip portion, a tubular second holding portion, and an inner circumferential second lip portion. Resistance applied on the first holding portion including the inner circumferential first lip portion when the first pipe is pulled out of the through hole is smaller than total of resistance generated in the outer circumferential lip portion against pull-out direction and resistance generated in the inner circumferential second lip portion against pull-out direction.
17 - Rubber and plastic; packing and insulating materials
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Static seals and components for static seals; dynamic seals
and components for dynamic seals; gaskets; joint packings;
semi-processed plastics; rubber, raw or semi-worked. Metalworking; treatment of metal surfaces; processing of
metal by shot blasting; processing of rubber; processing of
plastics.
A sealing device for sealing an annular space formed between an outer member and an inner member. The sealing device includes a seal member and a slinger member, the slinger member includes a slinger extension ring portion provided on an outer side in radial direction further than an outer diameter side end portion of a slinger ring portion, facing an axially outer side end surface of the outer member, and extending in radial direction. A first labyrinth extending in radial direction is formed between the slinger extension ring portion and the outer member, an outer side end portion of the first labyrinth in radial direction opening toward an outer space. A second labyrinth extending in axial direction is formed between an outer diameter side slinger cylindrical portion and a seal fitting cylindrical portion, the second labyrinth communicating with the first labyrinth.
F16J 15/3264 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Static seals and components for static seals; dynamic seals and components for dynamic seals; gaskets; joint packings; semi-processed plastics; rubber, raw or semi-worked
Provided is a sealing structure comprising an outer member and inner member which rotate relatively in an axial direction and a sealing device 9 which creates a seal between the outer member and the inner member, said sealing structure being characterized in that: the outer member is provided to the outer diameter side of the inner member; the inner member has a flange part 41 which continuously increases in diameter and a protrusion 42 which protrudes from the flange part in the axial direction; the sealing device is provided with a slinger member 13 which fits with the inner member and a seal body 12 which creates a seal between the outer member and the inner member with a lip part that makes sliding contact with the slinger member; and the slinger member is provided with a first cylindrical part 130 which fits with the outer peripheral surface of the inner member, a disk part 131 which extends to the outer diameter side from an end part 130a of the first cylindrical part at the outer side thereof in the axial direction, and a second cylindrical part 132 which extends from an outer diameter-side end part 131a of the disk part to the opposite side from the flange part side, and which fits with an inner peripheral surface 42a of the protrusion.
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
Provided is an annular gasket for sealing a gap between opposed surfaces of two members, the gasket including a core body including a plurality of split components, a sealing unit fixed to the core body, and an elastic member, in which: ends of the plurality of split components are mated together in such a manner as to have a gap between the ends; the ends mated together are joined by the elastic member; and edges of the joined ends are inclined relative to a longitudinal direction of the split components in plan view.
Provided is a silicone rubber composition for a sealing material, said composition exhibiting improved flame retardancy compared to the prior art. A silicone rubber composition according to one embodiment of the present invention contains a flame-retardant silicone rubber compound and a fibrous flame retardant. If the content of the flame-retardant silicone rubber compound is taken to be 100 parts by weight, the content of the fibrous flame retardant is 5-60 parts by weight. The flame-retardant silicone rubber compound is rated as V-0 or higher in UL94 specifications.
A storage battery sealing member includes a vulcanized rubber composition; the rubber composition contains a silicone rubber and a vulcanizing agent; a hardness Ha of the sealing member at 23° C. and a relative humidity of 50%, is 90 points or less; a compression set of the sealing member, measured after 25% compression followed by aging at 150° C. for 70 hours, is 80% or less; a difference between the hardness Ha of the sealing member at 23° C. and the relative humidity of 50% and a hardness Hb of the sealing member at 23° C. and the relative humidity of 50% after heated at 400° C. for 10 minutes is within 15 points; and a mass of a residue after heating the sealing member at 800° C. for 5 minutes, relative to the sealing member before heating, is 70 to 100% by mass.
A sealing device configured to be mounted on a rolling bearing provided for a wheel bearing device, the wheel bearing device including an axle pipe and a rolling bearing being fitted onto an outer circumferential stepped portion formed on an outer circumference of the axle pipe to rotatably support a wheel, the sealing device being mounted between an outer ring and an inner ring. The sealing device includes a slinger member having a first cylindrical portion, a disk portion, and a second cylindrical portion; a core body member having a cylindrical portion and a disk portion; and a seal body made of an elastic material. An inner circumferential face of a seal body cylindrical portion has an inclined portion constituting a labyrinth of which diameter gradually increases toward one side from the other side in the axial direction between the inner circumferential face and the second cylindrical portion.
A method for magnetizing a magnetic encoder 1 having double-row tracks 10, 20 disposed in parallel and adjacent to each other. The method comprises a magnetizing step of magnetizing tracks 10a, 10b individually using a magnetizing yoke 3 with respect to a magnetic member 100 yet to be magnetized. The magnetizing yoke comprises a pair of tip-end portions 30a, 31a proximate to and opposing each other. In a state in which the pair of tip-end portions are disposed along the row direction of the tracks in proximity to 100a to be magnetized of the magnetic member, the magnetizing yoke is configured to magnetize the tracks by moving relatively along the row direction of the tracks. The method is characterized in that the tip-end portions have a width dimension D2 greater than width dimensions D10, D11 of the double-row tracks, and the magnetizing yoke is disposed such that an end face position on one side in the width direction of the tip-end portions is aligned with a boundary portion 5 of the double-row tracks.
H01F 13/00 - Apparatus or processes for magnetising or demagnetising
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
A grease composition which is supplied between a plurality of lips in a sealing device that seals the space between a pair of members that rotate relative to each other; this grease composition contains (A) a base oil, (B) a thickening agent and (C) a rust preventive agent; the kinematic viscosity of the base oil (A) at 40°C is 30 to 80 mm2/s; the thickening agent (B) is composed of a diurea compound that is represented by formula (1); and 5 to 15% by mass of the thickening agent (B) and 0.1 to 2.0% by mass of the rust preventive agent (C) are contained relative to the total mass of this grease composition. (1): R1-NHCONH-R2-NHCONH-R3(In formula (1), R2represents a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms; and each of R1and R3 represents a linear or branched alkyl group having 8 to 22 carbon atoms.) Consequently, the present invention provides a grease composition which is capable of suppressing the torque difference due to the direction of rotation, while exhibiting excellent sealing properties.
C10M 107/02 - Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
C10M 115/08 - Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
C10M 129/34 - Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms polycarboxylic
C10M 129/76 - Esters containing free hydroxy or carboxyl groups
Provided is a cork stopper having a pattern printed on the surface thereof, which is excellent in terms of durability of the pattern, and in particular, in terms of resistance to alcohol. The invention provides a columnar cork stopper having, printed on the surface thereof, a pattern formed from ethanol-soluble resin and pigment. In addition, the invention involves using an ethanol-soluble resin, a pigment, and an ink containing ethanol to print a pattern on the surface of a cork shaped body to produce the cork stopper.
A rubber composition includes: 100 parts by mass of a nitrile rubber (A); 10 to 300 parts by mass of a white filler (B); 0.3 to 10 parts by mass of a paraffin wax (C); and 0.5 to 5 parts by mass of a dithiocarbamic acid salt-based antioxidant (D). The nitrile rubber (A) has a content of an acrylonitrile unit of 19 to 30 mass %, and the paraffin wax (C) has a melting point of 45 to 100° C.
A bearing sealing device including a slinger member having a slinger cylindrical portion, a slinger flange portion, and a slinger outer diametrical cylindrical portion projecting from an outer diametrical side end portion of the slinger flange portion so as to overlap in diametrical direction with a step portion of the flange, and including a seal member having a seal member having a core member and a seal lip member. A seal outer diametrical cylindrical portion having a region facing an outer circumferential face of the slinger outer diametrical cylindrical portion and projecting so as to overlap in diametrical direction with the step portion is provided on an outer diametrical side end portion of the seal member. A projecting distal end portion of the seal outer diametrical cylindrical portion projects toward a side of the step portion further than a projecting distal end portion of the slinger outer diametrical cylindrical portion.
An annular sealing device 10 for sealing between a fixed-side member 2 and a rotation-side member 5 supported so as to be rotatable relative to the fixed-side member, is characterized by being provided with: a core body 16 that is attached to the fixed-side member; a seal body 17 that has a plurality of seal lips 171, 172, 173 in proximity to or in slidingly contact with the rotation-side member and that is fixed to the core body; a connection part 20 that is provided to at least one of the seal lips and formed so as to connect a space defined by the seal lips with a space adjacent thereto; and an index part 13 that is provided so as to enable recognition of the circumferential-direction position of the connection part.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
F16J 15/3256 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
A gasket for sealing a gap between a through hole formed on a wall body and a pipe to be inserted into the through hole, the gasket being provided for the pipe and made of tubular elastic material, the gasket having an inner circumferential lip portion which elastically contacts an outer circumferential face of the pipe; and an outer circumferential lip portion which elastically contacts an inner circumferential face of the through hole; an inner seal area on an inner circumferential side where the inner circumferential lip portion is provided is located at a position so that the inner seal area does not overlap in a radial direction with an outer seal area of an outer circumferential side where the outer circumferential lip portion is provided.
A rubber composition that is characterized by containing 100 parts by mass of a nitrile rubber (A), 5–100 parts by mass of carbon black (B), 5–75 parts by mass of fired kaolin (C), 5–75 parts by mass of diatomaceous earth (D), and 1–30 parts by mass of a plasticizer (E), the nitrile rubber (A) having an acrylonitrile unit content of 25–30 mass%, and the plasticizer (E) having a loss on heating of no more than 5 mass% after being left for 24 hours at 150°C. The present invention makes it possible to provide a rubber molded article that has excellent heat resistance and low-temperature resistance. The present invention also makes it possible to provide a rubber composition for obtaining such a rubber molded article.
A sealing device for sealing an annular space constituted by an inside member and an outside member which rotate relatively to each other includes a core metal having a cylindrical portion fitted to one of the inside member and the outside member, and a seal lip member fixed to the core metal and having a plurality of lip portions contacting the other of the inside member and the outside member. The lip portions includes a first lip portion provided at a position closest to the outside and blocking ventilation between the outside and a space existing between the lip portions, and another lip portion provided at a position farther from the outside than the first lip portion. The other lip portion is provided with a through-hole, which is open to front and rear surfaces and allow ventilation, at a position apart from a contact portion with the other member.
An objective of the present invention is to provide a method for producing a cork stopper by compression molding cork grains, which can provide a cork stopper excellent in sealability and safety. There is provided a method for producing a cork stopper, comprising: mixing cork grains and an adhesive; compression molding the mixture to give an intermediate; and then heating the intermediate to expand the cork grains.
B65D 39/00 - Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
B29C 43/02 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
B27N 7/00 - After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
B27K 7/00 - Chemical or physical treatment of cork
A magnetization method and a magnetization apparatus for forming an objective magnetized state in a one-dimensional region of a magnetic body, and a magnet for a magnetic encoder. In the magnetization method, magnetism in one direction is applied to an entire half wavelength interval of a sine wave on the magnetic body by a magnetizing yoke and a magnetized state of a first-order rectangle wave or of a first-order trapezoidal wave is formed in the interval, the magnetized state presenting polarity information in a rectangle or trapezoidal pulse shape; and thereafter, magnetism in opposite direction is applied to a start point and a terminal point of the interval by the same magnetizing yoke or a different magnetizing yoke one time or several times and the magnetized state of the first-order rectangle wave or of the first-order trapezoidal wave is changed into the objective magnetized state.
H01F 13/00 - Apparatus or processes for magnetising or demagnetising
G01D 5/12 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
Provided is a novel spacer which causes little interference when disposed in a cooling water channel, which adjusts to an outside inner-wall surface of the cooling water channel following disposition in the cooling water channel, and which equalizes reaction force from the outside inner-wall surface. A spacer 5 is disposed in a cooling water channel 3 of an internal combustion engine 10 having a cylinder bore 2, and adjusts a circulation volume of cooling water w. The spacer is provided with a spacer body 6 formed so as to be partially disposed inside the cooling water channel 3, and an urging means 7 that is mounted onto a cylinder bore-side lateral surface 60 of the spacer body 6 and is triggered by application of a predetermined external factor to expand in a width direction a of the cooling water channel 3. A matching surface 61a, which is pressed against an outside inner wall surface 3d of the cooling water channel 3 as a result of the expansion of the urging means 7 in the width direction a and can be matched to the outside inner wall surface 3d, is provided to a side surface 61 of the spacer body 6 on the side opposite from the cylinder bore 2.
A tubular body formed by joining two semi-tubular portions that are divided in radial direction, the tubular body having a connection flange portion provided with a bolt hole on at least one end portion. The two semi-tubular portions have joint projection portions at both edge portions in circumferential direction, the joint projection portions projecting in radial direction and extending in axial direction, and each joint projection portion of the semi-tubular portions on at least one of both sides in circumferential direction is configured to be bent so as to deviate from a virtual division face passing a central axis in such a manner that a joint portion formed by abutting the joint projection portions does not interfere with a tool for fastening a bolt inserted into the bolt hole in a predetermined area in the vicinity of the bolt hole of the connection flange portion.
B29C 65/20 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using heated tool with direct contact, e.g. using "mirror"
B29C 65/48 - Joining of preformed parts; Apparatus therefor using adhesives
B29C 65/78 - Means for handling the parts to be joined, e.g. for making containers or hollow articles
B29C 65/06 - Joining of preformed parts; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
A sealing device provided between an outer member and an inner member that coaxially rotates relative to the outer member. The sealing device includes a first member in a form of a double cylinder being fitted onto the inner member; and a second member including a core member that is fitted into the outer member and a seal lip portion made of elastic material that is fixed to the core member and elastically contacts the first member, the first member and the second member being combined. The first member includes an inner diametrical side cylindrical portion and an outer diametrical side cylindrical portion that extend toward the second member in an axial direction. The outer diametrical side cylindrical portion of the first member has a first labyrinth portion and a second labyrinth portion between the outer diametrical side cylindrical portion and the second member, the first labyrinth portion being provided in the axial direction, the second labyrinth portion being provided in a radial direction and connected to the first labyrinth portion, the first labyrinth portion being equal to or more than 1.5 mm in length along a shaft.
F16J 15/3264 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
There is provided a novel regulating member that ensures easy manufacturing and does not adversely affect cooling water and environment. A spacer 6 is inserted from an opening 30 of a cooling water flow passage 3 into the cooling water flow passage 3 to be disposed. The cooling water flow passage 3 is disposed in a cylinder block 1 in an internal combustion engine. The spacer 6 includes a supporting member 7 with rigidity formed into a shape configured to be disposed in the cooling water flow passage 3 and a regulating portion 8 supported by the supporting member 7. The regulating portion 8 regulates a flow of cooling water. The regulating portion 8 includes a cellulose-based sponge 81. The cellulose-based sponge 81 is restorable from a compressed state through a contact with the cooling water w.
A bearing sealing device has relatively and coaxially rotating inner and outer members. A first member is fitted onto the inner member, and a second member includes a seal lip portion and a core member fitted into the outer member. The first member has an inner diametrical side cylindrical portion, circular plate portion, and outer diametrical side cylindrical portion. The core member has a cylindrical portion and circular plate portion. A first labyrinth portion is formed along the shaft direction in a gap between the outer diametrical side cylindrical portion and the core member cylindrical portion which face each other diametrically. A second labyrinth portion is formed such that an end face on the bearing space side in the outer diametrical side cylindrical portion faces the core member circular plate portion. A diametrical direction length of the end face is equal to or more than 0.6 mm.
Provided is a novel spacer which can be easily manufactured and which does not adversely affect cooling water and the environment. A spacer 6 is inserted through an opening 30 into a cooling water flow passage 3 in the cylinder block 1 of an internal combustion engine and is disposed in the cooling water flow passage 3. The spacer 6 is provided with: a spacer body 7 formed in a shape which enables the spacer body 7 to be disposed within the cooling water flow passage 3; and an affixation section 8 secured to the spacer body 7 and positioning the spacer body 7 at a predetermined position in the cooling water flow passage 3. The spacer is characterized in that the affixation section 8 is configured to include a cellulosic sponge which can be restored from a compressed state when brought into contact with cooling water.
A magnetization apparatus for a magnet of a magnetic encoder. The magnetization apparatus is configured to alternately form a positive and a negative magnetization areas by moving a magnetic member along a route penetrating a gap of a magnetization yoke while alternately generating positive and negative magnetic fields in the gap of the magnetization yoke. The magnetization apparatus includes a power supply part configured to supply electric power to a coil wound around the magnetization yoke; an area setting part configured to receive magnetization pattern information specifying arrangement of the magnetization areas relative to the magnetic member; a positional information generation part configured to output positional information of the magnetic member moving along the route; and a control part configured to control the power supply part in such a manner that each portion of the magnetic member corresponding to the magnetization area specified in the magnetization pattern information receives corresponding positive or negative magnetic field based on the positional information outputted from the positional information generation part.
Provided is a magnetic rubber composition containing hydrogenated nitrile rubber (A), ferrite magnetic powder (B), a vulcanizing agent (C), and stearic acid (D), wherein the hydrogenated nitrile rubber (A) has a Mooney viscosity (ML1+4, 100°C) of 45-80, the magnetic rubber composition contains 1250-1600 parts by mass of the ferrite magnetic powder (B), 0.1-4 parts by mass of the vulcanizing agent (C), and 2.5-8 parts by mass of the stearic acid (D) to 100 parts by mass of the hydrogenated nitrile rubber (A), and the content of the ferrite magnetic powder (B) relative to the mass of the entire magnetic rubber composition is 91-93 mass%. Since the magnetic rubber composition has excellent fluidity while containing magnetic powder of an extremely high density, by vulcanizing the foregoing, it is possible to obtain a magnetic rubber molded article provided with both excellent magnetic properties and good mechanical properties.
C08K 5/09 - Carboxylic acids; Metal salts thereof; Anhydrides thereof
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
3 or more. According to this method, a magnetic encoder having a magnetic body with high coercivity and residual magnetic flux density can be produced by vulcanizing a magnetic rubber composition having favorable moldability.
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
B29C 35/02 - Heating or curing, e.g. crosslinking or vulcanising
B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
B29K 19/00 - Use of rubber not provided for in a single one of main groups , as moulding material
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
The present invention provides a molded rubber article obtained by vulcanizing a rubber composition that contains 100 parts by mass of a nitrile rubber (A), 1-30 parts by mass of an electrically conductive carbon black (B) having a DBP oil absorption quantity of 150-1000 mL/100 g and 5-60 parts by mass of a silylated clay (C). It is preferable for the rubber composition to further contain 5-50 parts by mass of a carbon black (D) having a DBP oil absorption quantity of not less than 30 mL/100 g and less than 150 mL/100 g. Due to this configuration, it is possible to provide a molded rubber article having excellent electrical conductivity and weather resistance.
C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
F16J 15/3284 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
A sealing device (11) is mounted between an outer member (2) and an inner member (5) which rotates coaxially relative to the outer member. The sealing device (11) is configured by combining: a circular double cylinder-shaped first member (50) fitted over the inner member; and a second member (60) provided with core metal (61) fitted in the outer member and also with a seal lip section (62) consisting of an elastic body, the seal lip section (62) being secured to the core metal and in elastic contact with the first member. The inner diameter-side and outer diameter-side circular cylinder sections (501, 502) of the first member are formed so as to extend in the direction of the axis L toward the second member, and an axially extending first labyrinth section (r1) and a radially extending second labyrinth section (r2) which is continuous with the first labyrinth section are formed between the outer diameter-side circular cylinder section of the first member and the second member. The sealing device is characterized in that the length of the first labyrinth section in the direction of the axis L is 1.5 mm or greater.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
Provided is a novel regulating member that can be easily manufactured and has no adverse effect on cooling water or the environment. A spacer 6 inserted through an opening 30 in a cooling water channel 3 and arranged therein, said channel 3 being provided to a cylinder block 1 of an internal combustion engine, wherein the spacer 6 is characterized by comprising a rigid supporting body 7 formed in a shape capable of being placed in the cooling water channel 3, and a regulating part 8 that is supported on the supporting body 7 and that regulates the flow of cooling water, the regulating part 8 including a cellulose sponge 81 capable of being restored from a compressed state by coming into contact with cooling water w.
There is provided a magnetic rubber composition comprising a rubber (A), a thermosetting resin (B) and a magnetic powder (C), wherein a mass ratio (A/B) of the rubber (A) to the thermosetting resin (B) is 0.2 to 5, and a mass ratio [C/(A+B)] of the magnetic powder (C) to the total mass of the rubber (A) and the thermosetting resin (B) is 0.5 to 20. It gives a magnetic rubber molded article excellent in flexibility and abrasion resistance, and a magnetic encoder produced therewith.
H01F 1/10 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites
A magnetic rubber molded article obtained by crosslinking a magnetic rubber composition that contains an acrylic rubber (A), a magnetic powder (B), and a crosslinking agent (C), wherein the magnetic rubber composition is characterized in that the acrylic rubber (A) is a polymer including 90-99 mass% of acrylic acid ester units and 1-10 mass% of crosslinkable monomer units having a carboxyl group, the crosslinking agent (C) is a polyamine compound, and the composition includes 200-1,500 parts by mass of magnetic powder (B) and 0.2-10 parts by mass of crosslinking agent (C) per 100 parts by mass of acrylic rubber (A). A magnetic rubber molded article having exceptional mold release properties during molding and exceptional resistance to thermal aging is thereby obtained.
C08L 83/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
H01F 1/11 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
A double sump oil pan includes a separator made of plastic that partitions the interior of the oil pan into an inner sump and an outer sump, a plate, and an elastically deformable sealing member attached to the plate. The sealing member closely contacts the inner wall of the oil pan and seals the outer sump. The plate and the separator are fixed to each other.
A sealing device configured to seal a gap on a flange portion side between an outer member and an inner member by being attached to the outer member. A circular plate portion of a metal ring has an extending portion extending opposite to a flange portion. A seal body has a projecting portion and a weir portion, the projecting portion being positioned inward in a diametrical direction from the extending portion and extending toward the flange portion, the weir portion being positioned outward in a diametrical direction from the extending portion and extending toward the flange portion. The projecting portion and the weir portion overlap the extending portion in a diametrical direction, the projecting portion and the weir portion being provided adjacent to the extending portion, thereby forming a labyrinth. The labyrinth has a plurality of labyrinth constituting portions folding back along inner and outer faces of the extending portion in a diametrical direction, and the labyrinth is configured to meander.
F16J 15/3232 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
F16J 15/3264 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
A method for manufacturing a magnetic encoder provided with a magnetic body comprising a magnetic rubber molded article, the method characterized by having a mixing step for obtaining a magnetic rubber mixture by mixing and then kneading nitrile rubber (A), ferrite magnetic powder, and a vulcanizing agent (C), and a molding step for molding the magnetic rubber composition in a mold to which a magnetic field is applied, vulcanizing the magnetic rubber composition, and obtaining a magnetic rubber molded article, the content of the ferrite magnetic powder (B) being 700-1500 parts by mass with respect to 100 parts by mass of the nitrile rubber (A), and the pressed density of the ferrite magnetic powder (B) being at least 3.5 g/cm3. Through this method, a magnetic encoder can be manufactured that is provided with a magnetic body having high coercivity and residual magnetic flux density by vulcanization of a magnetic rubber composition having favorable molding properties.
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
H01F 1/113 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
A gasket having a core member having an opening, an inner seal portion made of elastic material and formed along an inner circumference of the opening, an outer seal portion made of elastic material and formed along an outer circumference of the core member. The core member has a seal-forming thin portion and an easily-deformable portion, the seal-forming thin portion being configured to form the inner seal portion at the inner circumference and to form the outer seal portion at the outer circumference, and the easily-deformable portion being provided between the inner seal portion and the outer seal portion and being configured to easily deform the core member.
F16L 19/02 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
F16J 15/10 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
F16J 15/02 - Sealings between relatively-stationary surfaces
F16J 15/06 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
52.
MAGNETIC RUBBER COMPOSITION, MAGNETIC RUBBER MOLDED ARTICLE OBTAINED BY CROSS-LINKING THE SAME, AND MAGNETIC ENCODER
A magnetic rubber composition containing a rubber (A), a heat-curable resin (B), and a magnetic powder (C), and in which the mass ratio (A/B) of the rubber (A) and the heat-curable resin (B) is 0.2-5, and the mass ratio [C/(A+B)] of the magnetic powder (C) relative to the total mass of the rubber (A) and the heat-curable resin (B) is 0.5-20. Thus, a magnetic rubber molded article having superior flexibility and superior abrasion resistance, and a magnetic encoder using the same, can be provided.
A method of machining a metal plate, the method processing a net body made of a metal plate into a dome shape, the net body having a plurality of lattice-shaped through holes. An extension allowance portion is formed in a plurality of side portions so as to curve along a surface area direction, the side portions are formed in a process area of the net body being pressed at a time of drawing-machining, and the extension allowance portion is formed when forming the net body having the side portions constituting the through holes by processing the metal plate. The net body is processed into the dome shape by drawing-machining from one side to an other side.
B21D 35/00 - Combined processes according to methods covered by groups
B21D 22/26 - Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
B01D 39/10 - Filter screens essentially made of metal
B01D 35/02 - Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
B01D 29/00 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor
B21D 31/02 - Stabbing or piercing, e.g. for making sieves
B01D 29/01 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor with flat filtering elements
A water jacket spacer adjusting a flow amount of cooling water in a water jacket, the water jacket spacer being inserted in the water jacket of a cylinder block, the water jacket spacer has a spacer body and a rectification means inhibiting flow of cooling water to an inner wall on a cylinder bore side of the water jacket, the rectification means having a form of a pocket and being provided on a face of the spacer body, the face being on a side of a cooling water introduction port of the water jacket, the rectification means being provided lower than the cooling water introduction port in a depth direction.
A manufacturing method of a cover by bending a non-magnetic metal sheet, the cover being provided between an annular magnet fixed to a rotary member and a magnetic sensor detecting magnetism generated from the annular magnet, and a press die having a first die and a second die configured to be able to approach to and depart from each other. The method includes a bending step of bending the metal sheet by using a forming machine of which contact portion with the metal sheet is a non-magnetized portion. The press die presses and bends a non-magnetic metal sheet, and the first die and the second die include non-magnetic portions on a part of press faces configured to press the metal sheet, respectively, the non-magnetic portions facing each other.
B21D 53/10 - Making other particular articles valve seats or the like
B21D 22/26 - Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
09 - Scientific and electric apparatus and instruments
Goods & Services
Measuring or testing machines and instruments; encoders
(measuring or testing machines and instruments); magnetic
encoders (measuring or testing machines and instruments);
rotary encoders; magnetic rotary encoders; linear encoders;
magnetic linear encoders; electric or magnetic meters and
testers.
57.
Magnetization apparatus for magnet of magnetic encoder and method thereof
A magnetization apparatus for a magnet of a magnetic encoder. The magnetization apparatus is configured to alternately form a positive and a negative magnetization areas by moving a magnetic member along a route penetrating a gap of a magnetization yoke while alternately generating positive and negative magnetic fields in the gap of the magnetization yoke. The magnetization apparatus includes a power supply part configured to supply electric power to a coil wound around the magnetization yoke; an area setting part configured to receive magnetization pattern information specifying arrangement of the magnetization areas relative to the magnetic member; a positional information generation part configured to output positional information of the magnetic member moving along the route; and a control part configured to control the power supply part in such a manner that each portion of the magnetic member corresponding to the magnetization area specified in the magnetization pattern information receives corresponding positive or negative magnetic field based on the positional information outputted from the positional information generation part.
H01F 13/00 - Apparatus or processes for magnetising or demagnetising
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
Provided is a bearing sealing device which contributes to reduce rotational torque and which can appropriately prevent muddy water from entering the bearing sealing device and also can appropriately discharge muddy water having entered the bearing sealing device. A bearing sealing device (10) is mounted to one axial end of an annular bearing space (S) in a bearing device (1) in which a rotational-side member (5) is supported relative to a stationary-side member (2) so that the rotational-side member (5) can rotate coaxially with the stationary-side member (2). The bearing sealing device (10) includes: a first member (100) provided with a slinger (11) integrally mounted to the rotational-side member, the first member (100) being also provided with an elastic member (18) secured to a radial end of the slinger (11), the first member (100) constituting a part of the rotational-side member; and a second member (200) provided with core metal (14) integrally mounted to the stationary-side member (2), the second member (200) being also provided with seal lips (17a (17b, 17c)) consisting of an elastic substance, the seal lips (17a (17b, 17c)) being secured to the core metal (14) and being in elastic contact with the slinger (11). The bearing sealing device is characterized in that the elastic member (18) and a seal lip member (17) form a labyrinth structure (r1) at a portion located on the side opposite the bearing space (S). The facing surfaces (18a, 170d) of the elastic member (18) and the seal lip member (17), which form the labyrinth structure (r1), have tapered surfaces parallel to each other and having diameters increasing toward the side opposite the bearing space (S). The tapered surface of the elastic member (18) is provided with a muddy water discharge means (19).
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
Provided is a method for producing a water jacket spacer that makes it possible to easily and efficiently produce a water jacket spacer comprising: a partial spacer that is provided with a flexible member that regulates the flow of coolant that flows within a water jacket; and a spacer main body that is made of a resin and that does not include the partial spacer. The method is for producing a water jacket spacer (4) that is inserted in a water jacket (2) of a cylinder block (1) and used to adjust the flow volume of coolant that flows within the water jacket (2). The method is characterized by the water jacket spacer (4) comprising a partial spacer (5) that constitutes one part of said water jacket spacer (4) and that is provided with: a partial spacer base (50) that is made of a resin and a flexible member (6) that is attached to the partial spacer base (50) in order to regulate the flow of the coolant; and a spacer main body (40) that is made of a resin and that constitutes a part of the water jacket spacer (4) that does not include the partial spacer (5). The method is also characterized by the provision of a step (S1) in which the partial spacer (5) is manufactured and a step (S2) in which the partial spacer (5) and the spacer main body (40) are integrated in order to manufacture the entire water jacket spacer (4).
Provided is a spacer capable of being disposed near an inner wall on a cylinder bore side even if a protruding residual part that remains after an unnecessary portion is removed after molding is situated in the proximity of a residual part without interfering with the inner wall of a cooling water channel. A spacer (4) comprising a resin molded product used in a cooling water channel (3) by being inserted through an opening part (30) in the cooling water channel (3), the cooling water channel (3) being formed around a plurality of cylinder bores (2) provided adjacent to each other in a cylinder block (1) of an internal combustion engine; wherein the spacer (4) is characterized by being provided with a spacer body part (40) formed in a tube shape so as to encircle the cylinder bores (2), and protruding residual parts (5) that are portions required during molding and remain after an unnecessary portion (6ba) is removed after molding, the residual parts (5) being formed on end surfaces (44a) positioned on the opening part (30) side of the spacer body part (40).
Provided is a bearing sealing device with which mutual interference due to a seal lip or the like does not occur when a plurality of the bearing sealing devices are stacked together in the axial direction, and with which the fitting precision with respect to the outer ring of a core bar is maintained, and the degree of freedom in the design is ensured. This sealing bearing device (8) is equipped with: a core bar (9), which has a cylindrical part (9a) that mates with an inner-diameter part (2b) of an outer ring (2) of a bearing device (1), an outside flange part (9b) extending in the outer-diameter direction from one end (9aa) of the cylindrical part (9a) on the opposite side from a bearing space (S), and an inside flange part (9d) extending in the inner-diameter direction from the other end (9ab) of the cylindrical part (9a) on the bearing space (S) side; and a seal lip member (10), which is made from an elastic body and is affixed to the core bar (9), and includes an axial lip (14) extending from the inside flange part (9d) toward the side opposite the bearing space (S). This sealing bearing device is characterized in that the inside flange part (9d) of the core bar (9) extends so as to curve from the other end part (9ab) of the cylindrical part (9a) toward the inner-diameter side via a curved part (9c), and in that a protruding part (15) made from an elastic body and extending toward the bearing space (S) is provided on the curved part (9c), and in that when a plurality of the bearing sealing devices (8) are stacked together concentrically in the axial direction, the protruding part (15) functions so as to make contact with the adjacent bearing sealing device (8), with no mutual contact between the bearing sealing device (8) and the adjacent bearing sealing device (8) other than at the contact region (11d) on the adjacent bearing sealing device (8).
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
B60B 35/02 - Dead axles, i.e. not transmitting torque
B60B 35/18 - Torque-transmitting axles characterised by the arrangement of the bearings for the torque transmitting elements in the axle housings
F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
62.
MAGNETIC RUBBER COMPOSITION, MAGNETIC RUBBER MOLDED ARTICLE, AND MAGNETIC ENCODER
In the present invention, a magnetic rubber composition containing 100 parts by mass of a hydrogenated nitrile rubber (A) including carboxyl groups or carboxylic acid anhydride groups, 0.5-10 parts by mass of a polyamine-based crosslinking agent (B), and 200-1500 parts by mass of a rare earth magnet powder (C) is heated and crosslinked, and a magnetic rubber molded article is obtained. A magnetic rubber molded article including a hydrogenated nitrile rubber and a rare earth magnet powder and having excellent heat resistance and magnetic characteristics is thereby provided. The hydrogenated nitrile rubber (A) preferably includes monomer units of an α,β-ethylenically unsaturated carboxylic acid monoester.
G01D 5/245 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using a variable number of pulses in a train
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
A cap for bearing device is attached to one end portion of an outer race member in a bearing device to block an opening portion, and includes: a cylindrical part that is fitted to the outer race member; a lid part configured to block an end portion of the cylindrical part; an annular seal part configured to, when being fitted to the outer race member, be compressed between the cap for the bearing device and the outer race member; and a ventilation part, which, in the course of fitting the cylindrical part to the outer race member, allows air to pass between inside and outside of a bearing space, and in the state where the cylindrical part is fitted to the outer race member, the ventilation is shut down.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
The present invention provides a novel seal device that can suppress rusting of metal portions that occurs along with electrochemical reactions while suppressing radio noise. A seal device (7) configured so that an inner member (5) and an outer member (2) configured from readily rusting metal material rotate relative to each other, and interposed between the inner member (5) and the outer member (2), wherein the seal device (7) is characterized in being provided with a core metal (8) fitted in one member (2) of the inner member (5) and the outer member (2), a sealing lip member adhering to the core metal (8) and having electroconductive lip parts (9a, 9b, 9c) that are composed of electroconductive rubber and that slide against the other member (5), and a rubber part (10) in proximity to the inner member (5) and/or the outer member (2), at least the rubber part (10) being composed of non-electroconductive rubber.
Provided is a spacer capable of reducing material volume, controlling water flow for a coolant medium, and suppressing displacement of the spacer position. The spacer (1) is partially arranged inside a cooling flow path (3) in an internal combustion engine (2), adjusts the flow rate of the coolant medium, and comprises: a spacer piece (10) formed so as to follow the cooling flow path; and a first engagement section (13) provided on a surface of the spacer piece, on the outer wall (3a) side of the cooling flow path, and protruding in the thickness direction of the spacer piece. The spacer is characterized by the first engagement section being configured so as to: be capable of coming in contact with and engaging with an overhanging section that projects from the outer wall of the cooling flow path; and restrict the movement of the spacer in the flow direction of the coolant medium.
In the present invention, a two-tank type oil pan is provided with the following: a resin separator that separates the interior of the oil pan into an inner tank and an outer tank; a plate; and an elastically deformable seal member that is provided to the plate and that tightly adheres to the inner wall of the oil pan and seals the outer tank. The plate and the separator are fixed.
A method for manufacturing a molded article (1) provided with a substrate (2) comprising a resin material is characterized in including a primary molding step (S1) for integrally molding the substrate (2) and a reinforcing member (4) that can be separated from the substrate (2), a molding process step (S2) for carrying out a molding process on a primary molded article (5) obtained by the primary molding step (S1), and a separation step (S4) for separating the reinforcing member (4) from the substrate (2) after the molding process step (S2). A method for assembling an annular resin product (6) by assembling a resinous annular object (60) with an assembly object (8) is characterized in that the annular object (60) and a reinforcing member (7) that can be separated from the annular object (60) are integrally molded, the annular object (60) is then assembled with the assembly object (8), and the reinforcing member (7) is separated from the annular object (8).
B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniques; Apparatus therefor
F02F 11/00 - Arrangements of sealings in combustion engines
F16J 15/10 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
A three-mating-surface airtight structure in a joint comprising three members, that is, first and second to-be-sealed members (3, 4), which are integrally joined with a first gasket (9) therebetween, and a third to-be-sealed member (2), which is integrally joined to the integrally joined first and second to-be-sealed members (3, 4) with a gasket (10) therebetween, so as to straddle the respective side end parts (32, 43) of the first and second to-be-sealed members from a direction orthogonal to the direction (L) in which the first and second to-be-sealed members are integrated. The three-mating-surface airtight structure is characterized in that: an end part (90) of the first gasket (9) abuts the sealing surface (10a) of the second gasket (10) at the side end parts (32, 43) of the first and second to-be-sealed members (3, 4) in an orthogonal state; the cross-sectional shape of the surface at the end part of the first gasket (9) parallel to the integrated surfaces (31, 41) of the first and second to-be-sealed members (3, 4) being a chevron shape; the apex (90a) of that chevron shape exists at a position protruding more toward the third to-be-sealed member (2) than the side end parts (32, 43) of the first and second to-be-sealed members (3, 4); and the base part (90b) of the chevron shape exists at a position recessed more toward the side opposite the third to-be-sealed member (2) than the side end parts (32, 43) of the first and second to-be-sealed members (3, 4).
A cap (10) for a bearing device, which is interposed between a circular magnet (8) fixed to the inner ring member (4a) of the bearing device (1) and a detection means (9) for detecting the magnetism generated from the circular magnet and which is for closing the open end (2a) in the axial direction of an outer ring member (2) provided outside of the inner ring member in the radial direction. The cap is characterized in: being provided with a first cylindrical section (11) that is press-fitted and fixed in said open end, an extension section (12) extending radially inward from the first cylindrical section, a second cylindrical section (13) extending from the extension section on the side opposite to the first cylindrical section and having a smaller diameter than the first cylindrical section, and a round disc section (14), which extends further inward radially from the second cylindrical section and is interposed between the circular magnet and the detection means; and in the second cylindrical section being formed so that the length thereof in the axial direction is a length that allows flexural deformation in the radially inward direction.
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
An annular gasket (8) is disposed in a compressed state between both the annular surfaces (3a, 6a) to be sealed of two members (3, 6) to be sealed. The gasket (8) comprises a plate-like base material (80) which is more rigid than rubber, and also comprises two types of seal sections (71, 72) which consist of rubber materials and which are secured to both the front and back surfaces of the plate-like base material (80). The gasket (8) is characterized in that the two types of seal sections (71, 72) consist of the rubber materials having different hardness and have different seal widths (a, b).
A gasket (10) provided with: a planar core material (11) having an opening (11a); an inner seal part (12) comprising an elastic material and formed along the inner peripheral part of the opening (11a); and an outer seal part (13) comprising an elastic material and formed along the outer peripheral part of the planar core material (11). The gasket (10) is characterized by the planar core material (11) being provided with: seal-forming thin parts (11c, 11d) for forming the inner seal part and the outer seal part on the inner peripheral part and the outer peripheral part; and a deformation-easing part (15) that makes the deformation of the planar core material (11) between the inner and outer seal parts (12, 13) easier.
F16J 15/10 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
72.
METHOD FOR MACHINING METAL PLATE AND MESH MEMBER PRODUCED BY MEANS OF SAID MACHINING METHOD
This method for machining a metal plate machines into a dome shape a mesh body (1) that is made from a metal plate and at which a plurality of lattice-shaped through holes (10) have been formed, and is characterized in that when forming a mesh body provided with a plurality of sides (11) configuring the through holes by machining the metal plate, an extension allowance section (13) is formed curving in the plane-region direction at the sides of the machined region at which the mesh body is pressed in a drawing-machining, and the mesh body is machined in the dome shape by drawing-machining from one side to another side.
A fuel injection valve damping insulator damps vibration produced in a fuel injection valve (11). A damping insulator (30) is interposed between a shoulder portion (18) of a cylinder head and a tapered surface (24) of the fuel injection valve (11) that faces the shoulder portion. The damping insulator (30) includes an annular tolerance ring (33) that abuts against the tapered surface (24), and an elastic member (36) that is arranged between the tolerance ring (33) and the shoulder portion (18). An annular coil spring (34) and a sleeve (35) are each embedded juxtaposed in the elastic member (36). A height (H2) of the sleeve (35) is formed lower than an outer diameter (H1) of individual small ring portions that form a helix of the coil spring (34), and at least one of a tolerance ring (33) side and a shoulder portion (18) side of the sleeve (35) is buried in the elastic member (36).
A gasket (1) that is interposed between two members (20, 30) in a state accommodated in grooves (34-38) formed in one member (30) of said two members (20, 30), and that seals between said two members (20, 30). The gasket (1) is characterized by: comprising a plurality of annular seal parts (2, 3, 4), and connecting parts (5, 6) that connect groups of said annular seal parts (2, 3, 4); and buffer parts (7, 8) being provided to the connecting parts (5, 6), said buffer parts (7, 8) enabling the adjustment of the relative positions of the annular seal parts connected to each other by the connecting parts (5, 6).
A sealing structure (1) is provided with: an inside member (20) and an outside member (30) which undergo relative rotation about an axis; and a sealing member (10) which is fitted to the outside member in order to seal an annular gap (S) between the inside member and the outside member. The inside member comprises a flange part (21) that continuously increases in diameter, and a rustproof metal ring (25) that mates with the inside member including a base part (22) of the flange part. The sealing member is provided with at least one lip (16) ((17), (18)) which is in sliding contact with the metal ring, a folded part (29) which projects towards the opposite side to the flange part in the axial direction is provided on the outer-diameter side of the metal ring, and an extension part (35) ((19)) which is positioned further outwards in the radial direction than the folded part of the metal ring and extends towards the flange part is provided on the outside member.
F16J 15/16 - Sealings between relatively-moving surfaces
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
A cover manufacturing method according to one aspect of the present invention comprises fabricating a cover (10), which is interposed between an annular magnet fixed to a rotating member and a magnetic sensor for detecting magnetism generated from the annular magnet, by bending a non-magnetic metal sheet (100), wherein the cover manufacturing method is characterized by being provided with a bending step for bending the metal sheet using a forming tool (30) in which at least a portion thereof that contacts the metal sheet during the bending process is a demagnetizing part. A press die (30) according to a second aspect of the present invention is a press die for pressing so as to bend a non-magnetic metal sheet, and is provided with a first die (31) and a second die (32) which are configured so as to be able to approach and separate from each other, wherein the press die (30) is characterized in that the first die and the second die include mutually opposing demagnetizing parts in at least a portion of press faces (31a, 32a) for pressing the metal sheet.
A cooling pipe (10) in an internal combustion engine (50) is provided with: a resin water outlet (11) which forms a circulation path (V2) that circulates cooling water for cooling an engine body (51); and a mounting part (12) which retains a water temperature sensor (20) for detecting the temperature of the cooling water flowing within the water outlet (11), said mounting part (12) being mounted onto the water outlet (11) with one part thereof touching the engine body (51) and being formed from a material that transmits the heat from the engine body (51).
A gasket (1) which is disposed between two members (2, 3) and which seals between the two members (2, 3) includes annular seal sections (4, 5, 6) and connection sections (7, 8) for connecting the annular seal sections (4, 5, 6). The gasket (1) is characterized in that at least one annular seal section (4) of the annular seal sections (4, 5, 6) and the annular seal sections (5, 6) connected thereto are configured from different materials and in that the connection sections (7, 8) for connecting the annular seal section (4, 5, 6), which are configured from the different materials, have joining sections (9, 10) for joining the different materials.
To provide a novel cap for a bearing device, the cap being configured so that the cap has a simple configuration, does not cause an increase in pressure within a bearing space when mounting the cap to the opening of the outer ring member, and appropriately exhibits a sealing function. A cap (8) for a bearing device is mounted to one axial end (2a) of the outer ring member (2) of a bearing device (1) and closes the opening (2c) at the one end (2a). The cap (8) includes a cylindrical section (8a) which is fitted in the outer ring member (2), a lid section (8b) which is interconnected to the cylindrical section (8a) so as to close the rear end of the cylindrical section (8a) in the fitting direction (a-direction), and an annular seal section (8c) which, when the cylindrical section (8a) is fitted in the outer ring member (2), is present while being compressed by the outer ring member (2). The cap has an air passage section (12). The air passage section (12) is characterized by being configured so that the air passage section (12) allows air to flow between the inside and outside of a bearing space (S) during the fitting of the cylindrical section (8a) into the outer ring member (2), and so that, in a state in which the cylindrical section (8a) is fitted in the outer ring member (2), the passage of air through the air passage section (12) is blocked by the annular seal section (8c).
B60B 35/02 - Dead axles, i.e. not transmitting torque
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
A fuel injection valve is mounted in a cylinder head by being inserted in an insertion hole provided in the cylinder head. A shoulder section is provided at the inlet portion of the insertion hole to be expanded in an annular shape. The fuel injection valve is provided with a stepped section expanded in diameter in a tapered manner to have a tapered surface facing the shoulder section. A vibration insulator is disposed between the stepped section and the shoulder section. The vibration insulator is provided with a circular annular tolerance ring making contact with the tapered surface of the fuel injection valve. A circular annular sleeve section coaxial with the tolerance ring is integrally formed on the tolerance ring to extend from the surface of a portion of the tolerance ring, the portion not facing the tapered surface of the fuel injection valve.
A rubber gasket of annular shape adapted to be interposed between two objective members to be sealed and fastened to each other and a seal structure for sealing between two objective members to be sealed and fastened to each other using the gasket. The rubber gasket comprises an integrally molded body made of elastomer having a cylindrical body, a flange-shaped portion, and an annular core member, the flange-shaped portion extending outward from one end of the cylindrical body in axial direction along an entire outer circumferential surface, the annular core member being embedded in the flange-shaped portion along an entire circumference. The rubber gasket is constructed such that when the two objective members to be sealed are fastened with the rubber gasket interposed therebetween, both ends of the cylindrical body in axial direction thereof are positioned respectively at seal line portions of the two objective members to be sealed, and the cylindrical body is compressed by fastening force along fastening direction.
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
A gasket (3) is configured so that the gasket (3) is fitted in an annular mounting groove (10) which is formed in one of opposing surfaces (1a, 2a) of a first member (1) and a second member (2) which are disposed so as to face each other, and so that the gasket (3) seals between the first member (1) and the second member (2) which are fastened together by fastening members (4). The gasket (3) is provided with: an annular gasket body (30) having a shape following the shape of the mounting groove; vertical ribs (31) comprising ridge bodies provided in a protruding manner on the side surfaces (30a) of the gasket body, the side surfaces (30a) facing the side surfaces (10a) of the mounting groove, the ridge bodies being provided so as to extend in the height direction (H) corresponding to the depth direction (F) of the mounting groove and so as to be arranged at intervals in the circumferential direction (S) of the gasket body; and lateral ribs (32) comprising ridge bodies provided in a protruding manner on the side surfaces so as to continue over the entire circumference of the gasket body. The gasket is characterized in that the height (A) of protrusion of the lateral ribs from the side surfaces is greater than or equal to the height (B) of protrusion of the vertical ribs from the side surfaces and in that the lateral ribs and the vertical ribs are interconnected with each other so as to cross each other.
A vibration insulator which can compensate for axial eccentricity occurring in a fuel injection valve and suppress vibrations of the valve during operation of a combustion engine and a support structure for the valve. The vibration insulator is interposed between a step height portion of the valve and a shoulder portion. The step height portion is increased in diameter in a tapered fashion and inserted into an insertion hole of a cylinder head. The shoulder portion is annularly extended in an inlet portion of the insertion hole opposed to the step height portion. The vibration insulator includes an annular tolerance ring on an inner circumferential inclined face thereof with recessed tapered faces opposed to the tapered face of the step height portion and which abuts the tapered face. The taper angles of the tolerance ring and of the step height portion are set so as to be different.
A sealing structure for sealing between two members (1, 2) by mounting a gasket (3) in a groove section (10) provided in the surface (1a) to be sealed of one member (1) out of the two members (1, 2). The groove section (10) is provided with a first groove section (11) which is formed deep inside the groove section (10) in the depth direction (F), and also with a second groove section (12) which is formed on the opening side of the groove section (10) in such a manner that the second groove section (12) is wider than the first groove section (11) and that the opposing inner walls (12a, 12a) are substantially parallel to each other. The gasket (3) is provided with a gasket body section (30) which has an insertion section (31) inserted in the first groove section (11), and also with a protrusion section (32) which is wider than the gasket body section (30) and which has a curved surface section (32a) facing the surface (2a) to be sealed of the other member (2). The sealing structure is characterized in that the maximum width (B) of the protrusion section (32) is larger than the width (L1) of the first groove section (11) and is less than the width (L2) of the second groove section (12).
A seal member (7) comprises a rubber base (70) that includes a sliding contact surface (4a) that is in elastic sliding contact with a partner member (2), and is characterized in that a large number of small holes (8) with a depth of 3 to 20 μm and an opening size of not more than 70 μm are formed by laser processing on a surface that includes at least the sliding contact surface (4a) of the rubber base, and the percentage of the area occupied by the openings of the small holes in an area in which the small holes are formed is set at 5 to 50%.
A fuel injection valve damping insulator damps vibration produced in a fuel injection valve (11). A damping insulator (30) is interposed between a shoulder portion (18) of a cylinder head and a tapered surface (24) of the fuel injection valve (11) that faces the shoulder portion. The damping insulator (30) includes an annular tolerance ring (33) that abuts against the tapered surface (24), and an elastic member (36) that is arranged between the tolerance ring (33) and the shoulder portion (18). An annular coil spring (34) and a sleeve (35) are each embedded juxtaposed in the elastic member (36). A height (H2) of the sleeve (35) is formed lower than an outer diameter (HI) of individual small ring portions that form a helix of the coil spring (34), and at least one of a tolerance ring (33) side and a shoulder portion (18) side of the sleeve (35) is buried in the elastic member (36).
A sealing device which comprises a slinger fixedly fitted to the rotary side member, a core member fixedly fitted to the stationary side member, and an elastic sealing member fixed to the core member and having a seal lip which elastically and slidably contacts the slinger. The slinger comprises a fitting cylindrical portion to be fitted into the rotary side member, a brim portion extending its radial direction at one end of its outside relative to a sealed portion of the fitting cylindrical portion, and a rotary side fixing member fixed to the brim portion. Further, the slinger is made in such a manner that an adhesive layer is formed on its whole surface including a contacting side surface where the seal lip contacts by applying adhesive agent thereon, then the fixing member is integrally fixed thereto, thereafter the adhesive layer is partially removed only in the contacting side surface.
F04D 15/00 - Control, e.g. regulation, of pumps, pumping installations, or systems
F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
F16J 15/34 - Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
H03M 1/22 - Analogue/digital converters pattern-reading type
G01P 3/48 - Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
G01P 3/54 - Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring frequency of generated current or voltage
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16C 19/18 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
88.
SEAL MEMBER HAVING EXCELLENT WEAR RESISTANCE, AND SEAL STRUCTURE USING SAME
A seal member which comprises a molded rubber article produced by vulcanizing a rubber composition comprising a hydrogenated nitrile rubber (A), a carbon black (B), and a carbon black (C) and/or carbon fibers (D) and which can be used as a seal part associated with sliding, wherein the DBP oil absorption of the carbon black (B) is 250-450 ml/100 g, the DBP oil absorption of the carbon black (C) is 200 ml/100 g or less, and the carbon fibers (D) have an average fiber length of 0.05-2 mm and an average fiber diameter of 5-30 μm, and wherein the carbon black (B) is contained in an amount of 5-15 parts by mass, the carbon black (C) and/or the carbon fibers (D) are contained in the total amount of 3-35 parts by mass and the total content of the fillers is 40 parts by mass or less relative to 100 parts by mass of the hydrogenated nitrile rubber (A). The seal member thus provided has proper hardness and excellent moldability and wear resistance.
Provided is a damper device which is interposed between attachment base parts (2, 3) and a rotating member (1), in order to have a moderating effect which stabilizes a rotation operation of the rotating member, and with a small number of components. The damper device comprises: a braking member (7) made from an elastomer; and a surface to be braked upon (5b) which acts against the braking member. The braking member further comprises protrusions (71) which protrude with an inclination in the opposite direction to the motion, dependent on the rotation in the return direction of the rotating member, with which the surface to be braked upon acts against the braking member, and leading end parts (71a) of the protrusions make elastically sliding contact with the surface to be braked upon.
F16F 7/04 - Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in the direction of the axis of rotation
F16F 15/02 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system
B60N 3/02 - Arrangements or adaptations of other passenger fittings, not otherwise provided for of hand grips or straps
In order to reduce the number of parts and attain a stable damping effect on the rotational action of a rotating member in the returning direction, a damper device is interposed between mounting bases (2, 3) and a rotating member (1), which is supported on the mounting bases by means of support shafts (4, 5) so as to be capable of rotation around the shaft centers (4L, 5L) of the support shafts, in order to dampen the rotational action of the rotating member due to the application of a rotation impelling force thereto by an impelling means (6), said damper device being characterized by the inclusion of braking members (7) configured from an elastomer and fitted over the support axles so as to be in mutual sliding contact therewith, and annular spring members (8) fitted around the periphery of the braking members (7) and adapted to tighten the braking members (7) onto the support axles.
F16F 7/06 - Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in a direction perpendicular or inclined to the axis of rotation
B60N 3/02 - Arrangements or adaptations of other passenger fittings, not otherwise provided for of hand grips or straps
91.
VIBRATION DAMPING INSULATOR FOR FUEL INJECTION VALVE
A fuel injection valve is mounted in a cylinder head by being inserted in an insertion hole provided in the cylinder head. A shoulder section is provided at the inlet portion of the insertion hole so as to be expanded in an annular shape. The fuel injection valve is provided with a stepped section expanded in diameter in a tapered manner so as to have a tapered surface facing the shoulder section. A vibration damping insulator (30) is disposed between the stepped section and the shoulder section. The vibration damping insulator (30) is provided with a circular annular tolerance ring (33) making contact with the tapered surface of the fuel injection valve. A circular annular sleeve section (35) coaxial with the tolerance ring (33) is integrally formed on the tolerance ring (33) so as to extend from the surface of a portion of the tolerance ring (33), the portion not facing the tapered surface of the fuel injection valve.
Disclosed is a rubber gasket which can achieve sufficient sealing properties even for portions upon which internal pressure acts strongly and where the portion to be sealed is step-shaped. Disclosed is an annular rubber gasket (1) which is interposed between two members (2, 3) to be sealed which are fastened to one another. The rubber gasket (1) is formed from an elastomer molded body which is molded as a single body containing a cylindrical section (11), a flange shaped section (12) which is linked to the side outer periphery section (11d) of one end section (11c) of the cylindrical section (11) so as to extend outward around the entire perimeter, and an annular core (13) buried along the entire perimeter of the flange shaped section (12). The rubber gasket (1) is interposed between two members (2, 3) to be sealed, and when fastening the two members (2, 3), both end sections (11b, 11c) of the cylindrical section (11) in the axial direction thereof, are located at respective seal line sections (2L, 3L) of the two members, and the cylindrical section (11) is compressed along the fastening direction by fastening pressure.
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
Disclosed is an annular elastic gasket (1) disposed between an insertion hole (20a) formed in a housing (20) and a cylindrical body (30) inserted into the housing (20) via the insertion hole (20a) while the annular elastic gasket is elastically in contact with the inner wall of the insertion hole (20a) and the outer periphery of the cylindrical body (30). The annular elastic gasket composed of an elastic mold is comprised of a hollow cylindrical gasket base body (2) which is press-fitted and retained in the insertion hole (20a); an annular seal lip (3) extending from the gasket base body (2) toward the center of the annular elastic gasket; and an elastically coupled portion (4) having a coupled base portion (4a) which functions as the tip of a tip-side portion (3a) of the annular seal lip portion (3) and which is bent toward the center. When the cylindrical body (30) is inserted, the elastically coupled portion (4) is expanded together with the tip-side portion (3a), and is elastically attached to the outer periphery of the cylindrical body (30) while maintaining the elastic restoring force.
F16J 15/10 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
A cork stopper (1a) used for sealing a container mouth (2a) is characterized by comprising a cork stopper body (10) provided with a molded cork member (10a) and a synthetic resin layer (12) covering the outer surface of said molded cork member (10a), wherein the surface of the synthetic resin layer has been roughened.
B65D 39/00 - Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B65D 39/18 - Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers with anti-friction or wear-resistant coatings or coverings
95.
VIBRATION INSULATOR FOR FUEL INJECTION VALVE, AND SUPPORT STRUCTURE FOR FUEL INJECTION VALVE
Provided is a vibration insulator for fuel injection which can maintain the function of automatically compensating for axial eccentricity occurring in a fuel injection valve as well as the function of suppressing vibrations of the fuel injection valve, even during operation of an internal combustion engine. Also provided is a support structure for the fuel injection valve. The vibration insulator (30) is interposed between a step height portion (first tapered face (24)) of the fuel injection valve (11) and a shoulder portion (18) to suppress vibrations occurring in the fuel injection valve (11). The step height portion is increased in diameter in a tapered fashion and inserted into an insertion hole (15) of a cylinder head (12) to be placed therein. The shoulder portion (18) is annularly extended in an inlet portion (17) of the insertion hole (15) so as to be opposed to the step height portion. The vibration insulator (30) includes an annular tolerance ring (33) which is provided on an inner circumferential inclined face (42) thereof with recessed tapered faces (second tapered faces (45, 46)) opposed to the tapered face (24) of the step height portion and which abuts against the tapered face (24). The taper angles of the tapered faces of the tolerance ring (33) are so set as to be different from the taper angle of the tapered face (24) of the step height portion.
Disclosed is a molded article that comprises a rubber obtained by crosslinking a polymer that includes an aliphatic olefin or an aliphatic diene as a monomer component, wherein the molded article is characterized by having a barrier layer comprising a carbonyl group that is formed by irradiating at least a portion of the surface of the aforementioned molded article with an ultraviolet ray, and in that the amount of the carbonyl group included in said barrier layer is higher than the amount of the carbonyl group included in the center of the aforementioned molded article. As a result, a rubber molded article having excellent dynamic properties and excellent barrier properties, in particular barrier properties against hydrocarbon fuels, as well as minimal impact on the environment is provided. A preferred embodiment is a gasket for sealing hydrocarbon fuels.
Provided is a method for processing a rubber surface which comprises one of the first mode in which a large number of small holes (11) are formed in a regular dotted pattern on a surface (1a) of a rubber base member (1) by laser irradiation from a laser irradiation device (2), the second mode in which the superficial part of the rubber base member (1) is peeled and removed by the laser irradiation from the laser irradiation device (2), and the third mode which consists of the first mode and the second mode. Provided is a sealing member (6) including a seal lip part which has been processed by one of these processing methods.
A sealing structure for a fitting section at which an annular member (14) including a cylindrical section (14a) is fitted onto a cylindrical mating member (6) in such a manner that the cylindrical section (14a) is concentric with the mating member (6). An elastic annular seal section (14d) hardened by application of an elastomeric agent is formed integrally with a portion of the annular member (14), said portion being located on the rear side in the direction of the above-described fitting operation. The annular seal section (14d) has a layer thickness (d) in the range from 5 μm to 1 mm, and in the above-described fitting operation, the annular seal section (14d) is disposed in a compressed state between the annular member (14) and the mating member (6).
Provided is a seal structure for a penetrating portion (52) between a cover member (5) and a rotating shaft (7) penetrating the cover member (5). A seal member (8) is fitted in the rotating shaft (7) such that the seal member can relatively rotate, and an elastic buffer member (9) is bonded between the seal member (8) and the cover member (5) on the penetrating portion (52).
F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
F16J 15/16 - Sealings between relatively-moving surfaces
An annular sealing device (5) provided with a core (7) and a seal lip member (8) which is secured to the core and consists of an elastic body, the annular sealing device being mounted between a metal outer member (2) and an inner member (3) which has a flange section (3a), the outer member and the inner member being concentric with each other and rotating about an axis relative to each other. The core is provided with: a fitting circular tube section (71) fitted in the inner peripheral section (2a) of the outer member; an outward facing flange-like section (73) including a contact section (74) in direct contact with a flange section-side end surface (2b) of the outer member; and an inward facing flange-like section (73). The seal lip member includes a lip base section (80) and annular lips (82-85) formed so as to concentrically extend from the lip base section. The annular lips include axial lips (82, 83), an outer cover lip (84) in sliding contact with or located close to the flange section, and a gasket lip (85) in elastic contact, on the outer diameter side of the contact section, with the end surface of the outer member in a state in which the gasket lip is compressed in the axial direction.
B60B 35/18 - Torque-transmitting axles characterised by the arrangement of the bearings for the torque transmitting elements in the axle housings
F16C 19/02 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
F16C 19/34 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
F16J 15/32 - Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
