A semiconductor gas pipe fitting fastener is disclosed. The semiconductor gas pipe fitting fastener of the present disclosure includes: a female fitting member connected to a first pipe through which gas that is used in a semiconductor process flows; a male fitting member connected with the female fitting member by being connected to a second pipe opposite to the first pipe; a female nut member supporting the female fitting member therein; a male nut member supporting the male fitting member therein and configured to connect the female fitting member and the male fitting member by being coupled to the female nut member; and a gasket member supported on a side by the female fitting member, supported on another side by the male fitting member, and configured to prevent leakage of gas from the female fitting member and the male fitting member.
F16L 19/02 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
F16L 19/00 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
F16L 19/025 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
2.
AUTOMATIC ROTARY FASTENING TOOL CAPABLE OF CONTROLLING NUMBER OF TURNS, AND FASTENING METHOD USING SAME
The present invention relates to an automatic rotary fastening tool capable of controlling number of turns, and a fastening method using same, the tool comprising: a tool body held by the hand of a user; a nut fastening part which is provided at one end of the tool body, and which applies rotary force to a nut in order to fasten the nut to the body; a driving part for providing rotational driving force to the nut fastening part so that the nut fastening part rotates the nut and fastens same to the body; a power supply part for supplying power to the driving part; a switch part provided at the tool body so as to apply power supplied to the driving part; and a controller for controlling the driving part so that the nut can be automatically rotated a preset number of turns.
A semiconductor gas pipe fitting fastener is disclosed. The semiconductor gas pipe fitting fastener of the present invention comprises: a female fitting part that is connected to one-side pipe through which gas used for a semiconductor process flows; a male fitting part that is connected to the other-side pipe positioned opposite to the one-side pipe and is connected to the female fitting part; a female nut part within which the female fitting part is supported; a male nut part within which the male fitting part is supported and which is coupled to the female nut part to connect the female fitting part and the male fitting part to each other; and a gasket part which is supported at one side thereof by the female fitting part and is supported at the other side thereof by the male nut part to prevent gas leakage between the female fitting part and the male fitting part.
H01L 21/67 - Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereofApparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components
F16L 19/02 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
The present invention relates to a silicone discharging device capable of applying silicone to the inside of a hollow member. A silicone discharging device according to an embodiment of the present invention may comprise: a storage part configured to store silicon; a rotation part disposed on one side of the storage part; a driving part connected to the rotation part and configured to transmit rotational force to the rotation part; and a discharging part connected to the storage part to discharge the silicone stored in the storage part to the outside and coupled to the rotation part to be rotatable integrally with the rotation part by rotational force of the driving part.
B05C 7/06 - Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work
B05C 5/02 - Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work from an outlet device in contact, or almost in contact, with the work
According to an embodiment of the present invention, a regulator for controlling the flow of a fluid is provided. A regulator according to an embodiment of the present invention may comprise: a body portion forming the body thereof; a valve assembly mounted inside the body portion so as to control the flow of a fluid; a pressure adjustment portion for applying a pressurizing force to the valve assembly; and a sensing assembly positioned between the pressure adjustment portion and the valve assembly. According to an embodiment of the present invention, the valve assembly may comprise: a valve housing having a penetrating bore formed at the center portion thereof; a valve seat provided on one side of the valve housing, a through-hole being formed at the center portion of the valve seat; and a poppet valve for opening/closing the through-hole of the valve seat. According to an embodiment of the present invention, the poppet valve may comprise a first member, a second member separably coupled to the first member, and a sealing member mounted to be interposed between the first member and the second member. The sealing member may have a sloping surface provided on the outer peripheral surface thereof so as to have a diameter changing along the axial direction, thereby opening/closing the through-hole formed through the valve seat by means of the sloping surface.
F16K 17/02 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
Goods & Services
Metal pipes and fittings therefor; metal fittings for rigid
pipes; ring-shaped fittings of metal; ferrules of metal for
pipes; fittings of metal for compressed air lines; fittings
of metal for flexible pipes; pipe fittings of metal; valves
of metal for gas piping, other than parts of machines; metal
valves for containers for compressed gas; globe valves of
metal, other than for machines; butterfly valves of metal,
other than for machines; ball valves of metal, other than
for machines; check valves of metal, other than for
machines; metal pipe couplings for fastening; pipe straps of
metal; metal pipe connectors; pipe joints of metal; pipe
clamps of metal; elbows for pipes of metal; compression
fitting of metal for pipes; rotating junctions of metal for
pipes; metal valves for containers for compressed gas;
valves of metal, other than parts of machines; gate valves
of metal, other than for machines. Integrated fuel cell hybrid power generators and parts and
fittings therefor; control valves for regulating the flow of
gases and liquids [parts of machines]; gate valves for parts
of machine other than for land vehicles; valves other than
for land vehicles [parts of machines]; butterfly valves
being parts of machines; dispensing valves being machine
parts; valves [parts of machines]; ball valves being parts
of machines; proportional flow valves being parts of
machines; pressure valves [parts of machines]; exhaust
valves [parts of engines]; injection valves [parts of
engines]; hydrogen refueling robots, namely hydrogen fuel
pumps and parts and fittings therefor for home stations and
service stations; integrated fuel cell power generating
apparatus and sub-apparatus comprised of valves, pumps,
compressors, pressure regulators, heat exchangers; hydrogen
dispensing equipment for service stations and parts and
fittings therefor; fuel cell power generators and parts and
fittings therefor; chemical machines for industrial purpose
and parts and fittings therefor. Fuel cells; fuel cell electrodes; electrolyte board for fuel
cells; hydrogen fuel cells and parts and fittings therefor;
hydrogen power storage apparatus and parts and fittings
therefor; fuel cell stacks and parts and fittings therefor;
membranes for hydrogen fuel cells and water electrolyzers,
being their parts.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
Goods & Services
Metal pipes and fittings therefor; metal fittings for rigid pipes; ring-shaped fittings of metal; ferrules of metal for pipes; fittings of metal for compressed air lines; fittings of metal for flexible pipes; pipe fittings of metal; valves of metal for gas piping, other than parts of machines; metal valves for containers for compressed gas, other than parts of machines; globe valves of metal, other than for machines; butterfly valves of metal, other than for machines; ball valves of metal, other than for machines; check valves of metal, other than for machines; metal pipe couplings for fastening; pipe straps of metal being metal pipe supports; metal pipe connectors; pipe joints of metal; pipe clamps of metal; elbows for pipes of metal; compression fitting of metal for pipes; rotating junctions of metal for pipes; metal valves for containers for compressed gas, not being parts of machines; valves of metal, other than parts of machines; gate valves of metal, other than for machines Integrated fuel cell hybrid electric power generators and parts and fittings therefor, namely, brushes being parts of generators; Pump control valves for regulating the flow of gases and liquids being parts of machines; gate valves for parts of machine other than for land vehicles; valves being parts of machines, other than for land vehicles; butterfly valves being parts of machines; dispensing valves being machine parts; Angle valves being parts of machines; ball valves being parts of machines; proportional flow valves being parts of machines; back pressure valves as parts of machines; exhaust valves being parts of engines for introducing fuel-air mixtures onto the combustion chambers of internal combustion engines; injection valves being parts of engines for introducing fuel-air mixtures onto the combustion chambers of internal combustion engines; Industrial robots, namely, hydrogen refueling robots consisting of hydrogen fuel pumps and parts and fittings therefor for home stations and service stations; integrated fuel cell electric power generating apparatus and sub-apparatus, in particular, electric power generators for indoor use, comprised of valves, pumps, compressors, pressure regulators, heat exchangers; hydrogen dispensing equipment for service stations and parts and fittings therefor, namely, engine fuel pumps; fuel cell electric power generators and parts and fittings therefor, namely, brushes being parts of generators; chemical fiber spinning machines for industrial purpose and parts and fittings therefor, namely, spindles being parts of machines Fuel cells; fuel cell electrodes; electrolyte board for fuel cells; hydrogen fuel cells and parts and fittings therefor, namely, anodes and cathodes; [ hydrogen power storage apparatus and parts and fittings therefor, namely, a system containing an electrolyser for converting electrical energy to hydrogen gas and a means of storing the hydrogen; ] fuel cell stacks and parts and fittings therefor, namely, anodes and cathodes [ ; Parts of hydrogen fuel cells and water electrolyzers, namely, anodes and cathode membranes ]
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Integrated fuel cell hybrid power generators and parts and fittings therefor; control valves for regulating the flow of gases and liquids [parts of machines]; gate valves for parts of machine other than for land vehicles; valves other than for land vehicles being parts of machines; butterfly valves being parts of machines; dispensing valves being machine parts; valves being parts of machines namely single and double block and bleed valves, plug valves, check valves, relief valves, metering valves, bellow valves, needle valves, regulator valves, toggle valves, rising plug valves, bleed and purge valves, diaphragm valves, gauge root valves, multiple solenoid valves; ball valves being parts of machines; proportional flow valves being parts of machines; pressure valves [parts of machines]; exhaust valves [parts of engines]; injection valves [parts of engines]; hydrogen refueling robots, namely hydrogen fuel pumps and parts and fittings therefor for home stations and service stations; integrated fuel cell power generating apparatus and sub-apparatus comprised of valves, pumps, compressors, pressure regulators, heat exchangers; hydrogen dispensing equipment for service stations and parts and fittings therefor; fuel cell power generators and parts and fittings therefor; chemical fiber spinning machines for industrial purpose and parts and fittings therefor, namely spindles being parts of machines.
(2) Fuel cells; fuel cell electrodes; electrolyte board for fuel cells; hydrogen fuel cells and parts and fittings therefor; fuel cell stacks and parts and fittings therefor.
(3) Metal pipes for liquid and gas transfer and fittings therefor; metal fittings for rigid pipes; ring-shaped fittings of metal for pipes; ferrules of metal for pipes; fittings of metal for compressed air lines; fittings of metal for flexible pipes; pipe fittings of metal; valves of metal for gas piping, other than parts of machines; metal valves for containers for compressed gas; globe valves of metal, other than for machines to regulate and control the level and the flow of liquid and gas; butterfly valves of metal, other than for machines; manually operated ball valves of metal, other than for machines; check valves of metal, other than for machines for liquid or gas pipelines for building construction, municipal, domestic, industrial and power generation use; metal pipe couplings for fastening; pipe straps of metal; metal pipe connectors; pipe joints of metal; pipe clamps of metal; elbows for pipes of metal; compression fitting of metal for pipes; rotating junctions of metal for pipes; metal valves for containers for compressed gas.
(4) Valves of metal, other than parts of machines namely manually operated regulating valves controlling the flow of fluids or gases in pipelines; gate valves of metal, other than for machines.
9.
APPARATUS FOR TESTING SAFE DISCONNECT COUPLER FOR LNG BUNKERING
The present invention relates to an apparatus for testing a safe disconnect coupler for LNG bunkering, comprising: a support body; a sub coupler provided at the support body and connected to the safe disconnect coupler for LNG bunkering; a first fluid supply pipe and a second fluid supply pipe, respectively connected to the sub coupler and the safe disconnect coupler for LNG bunkering so as to supply fluid; a fixing means for fixing the sub coupler and the first fluid supply pipe to the support body; a holding means for holding the LNG bunkering coupler and the second fluid supply pipe so as to enable the same to move in the longitudinal direction on the support body; and a pushing means pushing the second fluid supply pipe in the longitudinal direction so as to separate the safe disconnect coupler for LNG bunkering from the sub coupler.
B63B 27/24 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
B63B 27/34 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for transfer at sea between ships or between ships and off-shore structures using pipe-lines
B63B 25/16 - Load-accommodating arrangements, e.g. stowing or trimmingVessels characterised thereby for bulk goods fluid closed heat-insulated
F16L 37/30 - Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
F16L 29/04 - Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
10.
Partial heat treatment method in salt bath at low temperature
This invention relates to a surface heat treatment method in a salt bath at low temperature, suitable for partially hardening the surface of a workpiece through heat treatment, including plating the surface of a workpiece with a first metal layer; partially peeling the first metal layer; heat treating the workpiece at a temperature of 400 to 500° C. for a predetermined period of time; and totally peeling the first metal layer. Thereby, low-temperature heat treatment is effective at heat treating the workpiece while minimizing deterioration of corrosion resistance.
According to one aspect of the present invention, provided is a partially carburized heat treated stainless ferrule, wherein a first region has a first hardness, a second region has a second hardness, the first region comprises: a nitrogen layer in which the concentration of nitrogen is greater than that of carbon; and a carbon layer provided inside the nitrogen layer in which the concentration of carbon is greater than that of nitrogen, and the first hardness is greater than the second hardness. Through such partial heat treatment, the front portion of a region excluding a part to be heat treated is cured by heat treatment, thereby preventing a phenomenon in which rotational torque increases.
According to the present invention, provided is a partial heat treatment method using dual metal layers, as a partial heat treatment method for curing the surface of a product to be processed through heat treatment, comprising: a first step of plating a first metal layer on the surface of the product to be processed; a second step of plating a second metal layer on the surface of the first metal layer; a third step of exposing a part of the surface of the product to be processed by stripping a part of the first metal layer and the second metal layer; a fourth step of curing the exposed surface of the product to be processed by carrying out heat treatment for curing the surface of the product to be processed; and a fifth step of removing the first metal layer and the second metal layer remaining on the surface of the product to be processed.
According to one aspect of the present invention, provided is a low temperature salt bath heat treatment method, as a surface heat treatment method for partially curing the surface of a product to be processed through heat treatment, comprising: a plating step of plating a first metal layer on the surface of a product to be processed; a partial stripping step of partially stripping the first metal layer; a heat treatment step of heat treating the product to be processed at 400-500°C for a predetermined time; and a total stripping step of stripping the entire first metal layer. Therefore, heat treatment can be carried out while minimizing the deterioration of corrosion resistance through low temperature heat treatment.
According to one aspect of the present invention, provided is a partially carburized heat treated stainless ferrule, wherein a first region has a first hardness, a second region has a second hardness, the first region comprises: a nitrogen layer in which the concentration of nitrogen is greater than that of carbon; and a carbon layer provided inside the nitrogen layer in which the concentration of carbon is greater than that of nitrogen, and the first hardness is greater than the second hardness. Through such partial heat treatment, the front portion of a region excluding a part to be heat treated is cured by heat treatment, thereby preventing a phenomenon in which rotational torque increases.
This invention relates to a partially carbonitriding heat treated stainless steel ferrule, having a first region with a first hardness and a second region with a second hardness, wherein the first region includes a nitrogen layer having a nitrogen concentration higher than a carbon concentration, and a carbon layer formed under the nitrogen layer and having a carbon concentration higher than a nitrogen concentration, so that the first hardness is greater than the second hardness. Thereby, partial heat treatment is effective at preventing rotational torque of the region, except for the portion to be heat treated, from increasing due to the total hardening.
This invention relates to a partially carbonitriding heat treated stainless steel ferrule, having a first region with a first hardness and a second region with a second hardness, wherein the first region includes a nitrogen layer having a nitrogen concentration higher than a carbon concentration, and a carbon layer formed under the nitrogen layer and having a carbon concentration higher than a nitrogen concentration, so that the first hardness is greater than the second hardness. Thereby, partial heat treatment is effective at preventing rotational torque of the region, except for the portion to be heat treated, from increasing due to the total hardening.
F16L 19/04 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
C23C 8/02 - Pretreatment of the material to be coated
C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
C25D 5/02 - Electroplating of selected surface areas
C25D 5/10 - Electroplating with more than one layer of the same or of different metals
C25D 5/12 - Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
C25D 5/48 - After-treatment of electroplated surfaces
C25D 5/50 - After-treatment of electroplated surfaces by heat-treatment
F16L 58/18 - Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
F16L 19/10 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered
