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JP6377048B2 |
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JP6361840B1 |
The purpose is to enable accurate detection of misalignment in electric stitch welding. While transporting a strip-shaped metal plate from the upstream side to the downstream side, it is continuously formed into a cylindrical shape by a ...
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JP6323293B2 |
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JP6319427B2 |
A resistance welded steel pipe having excellent resistance to leakage under internal pressure and excellent electric resistance weld zone toughness is provided. A hot-rolled steel sheet having a composition containing, in mass %, C: 0.02...
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JP2018039048A |
To utilize both strong points of an induction welding method and a friction welding method.There is provided a method for manufacturing a cam shaft (111) including at least two metal components (10, 11). An important subject of this inve...
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JP6287063B2 |
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JP2018027556A |
To provide a plate passing method that enables continuous hot rolling to be carried out without breaking a joined part during finish rolling, and a hot-rolled steep strip manufacturing method.This plate passing method includes the finish...
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JP6266152B1 |
[Subject] A serration of a disc saw and Band saw is provided with a chip feeder for supplying a chip to welding equipment which carries out high frequency welding of the chip (Tip). [Means for Solution] A chip storage provided with a hop...
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JP6265311B1 |
Even if it does not perform additional welding processings, such as cladding by welding after electric resistance welding, an electric-resistance-welding stainless steel clad steel pipe which was excellent in the fracture characteristic ...
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JP6261728B2 |
A conductive wire welded structure of which a stator is composed can be obtained using a conductive wire welding method in which a plurality of conductive wires are welded together using a high-frequency induction heating device. This co...
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JP6250665B2 |
The invention relates to a tool for supporting multilayer printed circuit boards during manufacture comprising a frame in which there is fixed a pretensed, non-electrically conductive fabric which has a thickness less than 0.1 mm and can...
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JP6221013B1 |
When manufacturing a Electric resistance seam steel pipe by comparing mutually and carrying out heating fusion, fabricating cylindrical, conveying a beltlike metal plate, and also completing edges on both sides of the metal plate in the ...
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JP6213504B2 |
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JP2017185498A |
To provide a method for manufacturing a metal tube with a groove by an electro-resistance-welded tube manufacturing device.When concaved grooves extending in a tube longer direction are formed at plural portions which are spaced from one...
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JP6210489B2 |
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JP2017131953A |
To provide a manufacturing method for an electro-seamed steel pipe equipped with a seam having no weld flaw.In an electro-seamed steel pipe manufacturing method, an electric-resistance welding is performed by keeping such a ΔL/t value a...
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JP2017131903A |
To stabilize thermal measurement for a portion to be welded thereby eliminating unevenness in weldment.A high frequency welding device (1) for welding metallic components to each other by electric conduction of high-frequency current com...
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JP6164368B2 |
Provided are an electric-resistance-welded stainless clad steel pipe which has excellent weld characteristics, even without performing an additional welding process that is required in existing techniques after electric resistance weldin...
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JP6160587B2 |
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JP6148401B2 |
A method for joining concealed workpiece parts by an energy beam, wherein a lower workpiece part and an upper workpiece part are positioned relative to each other; the upper workpiece part contacts the lower workpiece part along a joinin...
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JP6103758B2 |
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JP6097784B2 |
An apparatus for manufacturing electric resistance welded pipe, in which two across-opening-facing end parts (2a, 2b) of an open pipe (1) including an opening (2) extending in a running direction are melted by an induction current genera...
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JP6079715B2 |
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JP6064754B2 |
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JP2017501890A |
In the present invention, a) a step of heat-treating and joining a body part made of hot tool steel and a cutting part made of cemented carbide, and b) a step of joining the joined body part and the cutting part for a predetermined time....
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JP6060816B2 |
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JP6058410B2 |
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JP6050245B2 |
The invention relates to a method for welding a first composite sheet metal part comprising at least two metal sheets and a sheet arranged between both metal sheets that consists of a material with a different chemical composition than t...
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JP6036773B2 |
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JP6028765B2 |
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JP6020491B2 |
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JP6015883B1 |
It is manufacture situation monitoring instrument 1 of an electric-resistance-welding pipe which supervises a manufacture situation of an electric-resistance-welding pipe manufactured by fabricating a beltlike steel strip cylindrical, an...
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JP6015686B2 |
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JP6001393B2 |
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JP5994760B2 |
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JP5969599B2 |
An apparatus for manufacturing electric resistance welded pipe, in which two across-opening-facing end parts (2a, 2b) of an open pipe (1) including an opening (2) extending in a running direction are melted by an induction current genera...
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JP5966756B2 |
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JP2016523448A |
In the present invention, the inductor core (3) linked to the exciting inductance (6) is cooled by air or another gaseous fluid circulating in the passage provided in the induction head, and is a multi-layer stack (48) for a printed circ...
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JP5965096B2 |
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JP2016090206A |
To provide a heat exchanger in which a brazing between a tank main body of a header tank and heat exchanger composing components can be carried out well, and provide a process of manufacture the same.A tank main body 10 of a header tank ...
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JP5919650B2 |
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JP5909874B2 |
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JP5909872B2 |
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JP5909873B2 |
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JP5909870B2 |
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JP5896995B2 |
The manufacture of clad tubes (30) is described. Tube (10) intended to line the walls of a combustion chamber is made of a high strength material to contain the high-pressure steam created. However, these tubes (10) are typically not cor...
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JP5881942B2 |
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JP5880794B1 |
The welding state monitoring system of the present invention is a welding state monitoring system used for plasma shield welding in which a welded portion (3) of a steel plate (1) is irradiated with plasma to perform electric stitch weld...
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JP5849438B2 |
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JP5845623B2 |
Conventional electric resistance welded steel pipes cannot always ensure fatigue resistance required as drive shafts. In detail, a base material portion of an electric resistance welded steel pipe has a composition including C at 0.25 to...
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