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JP6660134B2 |
To provide, mainly, a cooling apparatus for fusion that can butt-fuse in a short period of time without causing defective bonding.Provided is a cooling apparatus for fusion including a cooling section 23 capable of cooling a fusion-bondi...
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JP6647437B1 |
To provide a pipe welding method capable of performing welding of pipes with simple control by knowing welding conditions at all a plurality of welding stages before performing butt welding of pipes. This is a pipe welding method T for w...
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JP6642853B2 |
To provide a pipe connection structure which can suppress occurrence of rust of a first metal pipe, is rich in versatility, and can shorten a connection portion.An annular outside recess 8 which is recessed from an end face 7a of a secon...
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JP2020020346A |
To improve sealability by preventing a brazing material from flowing into a hole, where a mating member is inserted, in a joint for piping.A joint 10 for piping consists of a pipe 14 for piping in which a coolant is circulated, and a joi...
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JP6639145B2 |
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JP6635146B2 |
To achieve weight reduction of a shutoff valve and to make refrigerant less likely to leak from the shutoff valve. A valve main body (55) includes a first part (56) and a second part (57). The first part (56) includes a first connection ...
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JP2019219089A |
To reduce assembly costs of a closing valve fixed to a heat source unit.A valve body 55 includes a passage 52 therein. A valving element 51 of the valve body 55 switches its state between a first state in which the valve body 51 closes t...
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JP2019211062A |
To improve bending workability, bending dimensional accuracy and pipe joint strength in a pipe-bent pipe.A pipe-bent pipe 200 includes a bent part 210 which is formed so that a pair of two pipe parts 10, 20 are bent to each other with a ...
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JP2019203547A |
To provide a joining structure of annular members, which can be improved in joining strength, and can be improved in its reliability.A joining structure of an annular member includes: a first annular member 10 in which a hole part 14 wit...
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JP6611127B2 |
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JP2019199935A |
To secure fluidity and connection strength of brazing material in a brazed joint.A manufacturing method of a brazed shell comprising expanding the diameter of an end of a pipe 1 as a shell in a brazed joint to form a pipe expansion part ...
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JP6604558B2 |
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JP6605775B1 |
To provide a method for caulking a pipe member capable of suppressing a gap of a caulked portion caused by a difference in springback after pipe expansion and improving torsional strength. A hole 17a of a molding jig 17 is arranged on th...
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JP6604416B1 |
To provide a pipe connection structure having a stable sealing performance between pipe bodies made of dissimilar metals welded by a welding material between the peripheral surfaces of a socket portion and an insertion portion. A periphe...
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JPWO2018154689A1 |
The compressor includes a closed container into which the refrigerant flows, a suction element for sucking the refrigerant into the closed container, a compression element provided in the closed container for compressing the refrigerant,...
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JP6600191B2 |
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JP6595771B2 |
The invention relates to a connecting device having a female part (9) and a complementary male part (11), wherein the female part is realized as a sleeve (9) able to receive at least partially the associated male part (11) with a gap bet...
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JP2019163772A |
To provide a pipe connection structure which has a large drawing force resistance without causing a rattle over a long-term use and without the possibility of causing removal, and a method for connecting a pipe joint and a pipe.A metal r...
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JP6571505B2 |
To provide a configuration of a piping having a high tolerance against radiation ray specific to nuclear facility capable of performing transportation of fluid containing radioactive substance and transporting fluid under high radiation ...
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JP2019143784A |
To improve seal performance when a gasket is attached to a block.An attachment structure of a gasket to a block includes: a block 1 having a fluid passage 11; and a cylindrical gasket 3 which encloses an opening 13 of the fluid passage 1...
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JP6559584B2 |
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JP6549930B2 |
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JP6549934B2 |
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JP6545364B2 |
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JP2019113166A |
To provide a pipeline welding part reinforcement structure which can reinforce a welding part without affecting residual life of the welding part of a pipeline.A pipeline welding part reinforcement structure 1 includes: a welding part W1...
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JP6543045B2 |
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JP6542447B1 |
To provide a method and a joining structure for joining a resin pipe and a resin member, which can improve airtightness and pressure resistance. A tubular portion 15 protruding in the radial direction of a pipe 2 from a bottom surface 14...
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JP2019095048A |
To provide a method for connecting a multilayer pipe, which can enhance connection accuracy between the multilayer pipe and a member to be connected.A method for connecting a multilayer pipe comprises: a first step of forming a first adh...
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JP2019516924A |
The present invention is a fitting for creating a leak-proof connection with the pipe end (4), with at least one press portion (6) designed for insertion and pressing of the pipe end (4). It has at least one sealing element (10) and at l...
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JP2019093398A |
To provide a production method of a member advantageous for improving dimensional accuracy and strength, by executing brazing regardless of a material.An end part of a pipe 14 is inserted into a pipe joining recessed part 34 of a nipple ...
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JP6529285B2 |
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JP2019084819A |
To provide a joint structure capable of securing a joint strength between a metal member and a dissimilar member.There is provided in which: in a joint structure 10 between a metal member 20 having a cylindrical shape and a cylindrical-s...
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JP6527008B2 |
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JP6489878B2 |
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JP6474975B2 |
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JP6475857B2 |
The invention relates to a press sleeve for a press fitting for producing a sealing non-detachable pipe connection, with a receiving portion (4) for receiving a fitting basic body (6) and with a press portion (8), wherein the inside diam...
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JP2019026798A |
To provide a method of preventing deterioration of appearance due to coloration by a colorant, by making a part to which an adhesive is attached observable, and decoloring by heating after adhesion.An adhesive of the present invention is...
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JP2019027520A |
To provide a pipe connection structure capable of enhancing chemical resistance.A pipe connection structure comprises a multilayer pipe, a member to be connected, and an adhesive layer. The multilayer pipe has a tubular inner layer, and ...
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JP6472855B1 |
To provide a pipe joint which can suppress or prevent dimensional deviation, can simplify the structure, has excellent pressure resistance, and can easily finely adjust the angle between pipes. A pipe joint 21 that can be connected to a ...
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JP6472043B2 |
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JP6449192B2 |
Provided is a different-material joint for welding which is free from leakage even in extremely low-temperature environments and has high bonding properties and in which an aluminum alloy has been disposed at one outermost end therefore ...
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JP6446640B2 |
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JP6444612B2 |
A method for connecting a connector coupling to a fluid conducting line, wherein the line consists of plastic. A line end of the line is inserted in a receiving receptacle encompassing the circumference of the connector coupling. At leas...
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JP2018200084A |
To provide a connecting method of a steel pipe which controls a clearance between a joint pipe and the steel pipe after preventing the intrusion of adhesives into pressure piping, and can perform sure joining and quick and inexpensive co...
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JP6421007B2 |
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JP6415024B2 |
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JP6411201B2 |
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JP2018136014A |
To provide a connection structure of pipes with different diameters, excellent in connection strength without wastefully using material.A connection structure comprises a straight part 5, a taper part 6 and a flange part 7. At a portion ...
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JP3217325U |
To improve the joint dimensional accuracy and joint strength of two pipes in a pipe joint structure. Two pipes 10 and 20 having the same cross section are intersected with the intersection angle of their central axes as α, and the joint...
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JP2018100722A |
To provide a corrugated tube and a duplex tube excellent in durability, a hose with a core piece excellent in durability, and a manufacturing method for the hose with the core piece capable of obtaining the hose with the core piece excel...
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