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JP5959804B2 |
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JP2016130594A |
To provide a piping structure for a heat exchanger enabling reduction in components and reduction in the number of man-hours of temporary joining of a connector and a header pipe.A piping structure for a heat exchanger that is provided a...
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JP5951124B2 |
A cheek plate for producing a non-detachable pipe joint having an upper cheek half and a lower cheek half, at least one swivel pin which pivotally mounts at least one cheek half, and a receiving region formed between the upper cheek half...
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JP5940930B2 |
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JP5931629B2 |
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JP5927354B2 |
An elastomeric flexible hose for the transportation of high pressure and/or temperature hydrocarbon liquids or gases comprising: a semi-crystalline thermoplastic inner liner layer (1'); an armour layer (9') surrounding the inner liner la...
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JP2016084830A |
To provide means for forming a pipe passage having a high reliability capable of easily carrying out not only a piping work at a pipe making at a factory but also a pipe working at a working site.This invention comprises: a connecting st...
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JP5907878B2 |
Methods of joining pipe section and joined pipe assemblies are described. The pipe sections, e.g., pipes and couplers, are joined by a mechanical interference bond formed using a shape memory polymer key. The key can be inserted into a f...
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JP2016049561A |
To secure a sufficient junction strength and sealability by shortening the working time for welding in a junction structure where a flange member is welded to an end of the exhaust pipe of an automobile engine.In this junction structure ...
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JP2016508207A |
The crimp joint comprises a female socket configured to crimp to the end of the rigid tube. The socket comprises an annealed annular wall having an inner cylindrical surface portion and at least one annular sealing portion. The cylindric...
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JP5878554B2 |
Provided is a welding connection structure for a pipe (1), in which the pipe has a double-pipe portion (2) at at least one end thereof and the double-pipe portion is formed by bending back a pipe wall (6) at the one end of the pipe inwar...
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JP5858805B2 |
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JP2016017550A |
To provide a high-pressure joint in which an applicable diameter is from 25 mm to 3 m, and pressure resistance is 100 MPa at most, regarding an adhesion joint of an FRP (Fiber-Reinforced Plastic) pipe.A connection surface has a 1/16 tape...
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JP2016013577A |
To provide a method for manufacturing a socket weld joint which hardly has a poor penetration at a corner part.In a method for manufacturing an insertion type weld pipe fitting structural member, a pipeline is inserted into an insertion ...
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JP5846934B2 |
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JP5838098B2 |
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JP2015226987A |
To improve the recyclability of a connection part.Provided is a method for connecting pipes each other including: a pipe arrangement step where the first pipe 10 formed using a thermoplastic resin and the second pipe 12 formed using a th...
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JP2015223612A |
To provide a welding structure for a nozzle stub, which can stop or delay the progress of a creep crack appearing in a stress concentration zone of a welded part.In an area of a heat-affected zone 5 formed in a boundary part between a he...
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JP5829424B2 |
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JP2015217396A |
To provide a method for frictional pressure-welding of a metallic hollow member which can suppress generation of inner burrs, and a member for power generation facility.In a method for frictional pressure-welding of a metallic hollow mem...
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JP5826077B2 |
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JP2015531842A |
The compressor: carries the gas outlet pipe (1a) and houses the cylinder cap (10) with the gas outlet (13), with the shell (1); at the gas outlet (13), and at the gas outlet pipe (1a). At least one of the inlet and outlet ends, including...
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JP2015178945A |
To provide a refrigerant flow divider capable of securing the sufficient brazing-material impregnation length in a flow divider body so as to prevent degradation of a base material or a brazing portion due to heat during brazing while th...
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JP2015169410A |
To provide a refrigerator unit and joint piping components, capable of suppressing product costs with a simple configuration.A refrigerator unit comprises a compressor, first piping made of a first metal, a heat exchanger, second piping ...
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JP5784488B2 |
The invention relates to a method for connecting a first tube to a second tube, the tubes being interconnected in an overlapping region by means of an adhesive that fills a gap in the overlapping region between the tubes. Said method is ...
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JP5767979B2 |
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JP2015150590A |
To provide a freezer and a refrigerator, which can simplify the manufacturing steps and can improve the quality in the welding of a metallic pipe in a manufacturing process without the level of skill of an operator.The end parts of metal...
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JP2015114082A |
To provide a refrigerant pipeline connection body capable of preventing fusion of a base material in brazing work to suppress strength deterioration without requiring a high brazing technology, and provide a refrigerant pipeline connecti...
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JP5731649B2 |
A pipe clamp for affixing to a pipe subjected to bending to minimize fatigue for a butt weld in the pipe. The pipe clamp includes an inside clamp segment and an outside clamp segment each having a semi-cylindrical shape, a first end and ...
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JP5729373B2 |
This half flare union is a pipe component into which a copper pipe (46) is inserted from an insertion face (81), and brazed. The half flare union is provided with a cylindrical body section (80a) and a nut section (80b) adjoining the bod...
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JP3197468U |
To provide a pipe connection structure by a reliable and cost-saving method without using a welding technique or an intermediary member. In a connection structure between pipes having different diameters or a joint and a connecting pipe,...
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JP5721396B2 |
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JP5710450B2 |
A resin end-face butt joint, a method for welding the joints, and a piping member ensure a sufficient clamping margin with the clamp of an ordinary welding machine, and ensure an appropriate distance between the centers even when joints ...
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JP2015080789A |
To obtain a pipe body joining structure which can create a substantially-uniform curl at a joining part.A pipe body joining structure 10 comprises a pipe material 12 as one pipe body whose portion including an end face 12C at an axial on...
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JP2015068634A |
To provide a pipeline connection structure capable of preventing oxidation of a pipeline inserted into a can body.A pipeline connection structure includes: a pipe seat 51 attached to a can body 11 in a penetrated manner; a pipe joint 52 ...
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JP5681340B2 |
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JP2015036558A |
To provide a welding saddle joint in which positioning at the time of welding is facilitated.In a welding saddle joint, a branch hole is formed at the side part of a main pipe, and a branch pipe is connected to the branch hole. The weldi...
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JP5658723B2 |
A method for improving conductance on hydraulic fittings (20) by incorporating a soft metal interlayer (16) between the fitting and a hydraulic tube (12,14), wherein the soft metal interlayer (16) is located in an area where the fitting ...
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JP5646653B2 |
The present invention addresses the problem of connecting pressure piping in a fluid-tight manner on-site without requiring welding. A plurality of through holes (h1) are provided in a cylindrical sleeve (1a) at separate locations in the...
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JP5645852B2 |
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JP5643841B2 |
A fitting for coupling with a pipe in a sour environment includes a coupling body, a ring positioned to fit over an end of the coupling body, a main seal formed on an inner surface of the coupling body, a transition section positioned ad...
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JP2014234875A |
To miniaturize a device by positioning two workpieces to be butt-welded with a simple and inexpensive constitution.The method includes: a first positioning step of positioning a joint 4 by coupling the joint 4 with a positioning jig 3, m...
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JP2014211188A |
To provide a connecting structure of a metallic pipe and a metallic joint, which cannot be easily rotated manually, and free from defects such as cracking due to caulking stress.In a state that a pipe-side inserting portion 13 of a nippl...
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JP2014206246A |
To provide a pipe joint structure capable of suppressing pipes from being damaged while ensuring the joint strength of joint between the pipes and suppressing cost increase, and a heat exchanger including the pipe joint structure.In a pi...
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JP2014200805A |
To provide a piping groove mating structure and a piping groove mating method capable of easily adjusting centering and spacing of a piping groove part by few field work manhours.The piping groove mating structure adjusts the centering a...
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JP2014181733A |
To provide a joint structure capable of easily connecting pipe ends of metallic pipes without having a member for connection therebetween, and capable of reducing the construction time and the construction cost.After an end of the other ...
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JP2014523344A |
The invention relates to a method for making T-branch joints for pipes. The method comprises making a hole (3) in a pipe (1) to be branched and attaching a branch pipe (2) by welding to the edges of the hole. Welding is conducted from in...
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JP2014155949A |
To provide a welded steel pipe for a line pipe with excellent low-temperature toughness, which is molded in a tubular shape in any one of UOE, JCO, bend roll and spiral steps, and a method of manufacturing the same.When a butt part of a ...
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JP2014147962A |
To provide a member joining method which enables poor weld to be easily prevented, even when a clearance is apt to arise between members to be laser-welded to each other.The member joining method for joining end parts 2a and 3a of pipe m...
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JP5576338B2 |
The pipe assembly (1) has a pipe (2) and a pipe coupling (3), where the pipe coupling has a groove bottom (12) at an end (5) of a circumferential groove (6). A pipe is inserted into the groove bottom, where the pipe is welded with a pipe...
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