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JP2022059578A |
To join a first part and a second part by introducing drops of a liquid metal onto these two parts using a three-dimensional (3D) printer.A first part and a second part are held in positions relative to one another. Relative movement is ...
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JP2022059584A |
To provide systems and methods for micro-welding two or more parts together using a three-dimensional (3D) printer.A method includes moving a first part along a movement path. The method also includes introducing drops of a liquid metal ...
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JP2022059583A |
To provide systems and methods for micro-welding two or more parts together using a three-dimensional (3D) printer.A three-dimensional (3D) printer is configured to introduce a liquid metal onto a first part and a second part while the f...
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JP7040435B2 |
To provide a multi-layer arc welding method for a thick steel plate by which cold crack of a weld metal can be prevented.Submerged arc welding is performed on at least a first pass with a large heat input of 300 kJ/cm or more, and furthe...
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JP2021521015A |
The invention relates to a welding device, in particular a spot welding device that welds vertically adjacent metal plates or plates together using a single welding electrode / torch. The device shall be on at least one of the welded met...
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JP6909957B2 |
A hybrid welding apparatus selectively switches between MAG welding and TIG welding. The apparatus includes a control device (1), which includes a welding output unit (10) for outputting a welding voltage and a welding current. When MAG ...
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JP6847152B2 |
The present disclosure provides a system for printing at least a portion of a three-dimensional (3D) object. The system may comprise a source of at least one feedstock, a support for supporting at least a portion of the 3D object, a feed...
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JP6818978B2 |
To provide a repair method for an exhaust valve rod, capable of maintaining high-temperature strength of a seat surface, securing sufficient heat resistance and corrosion resistance, and reducing damage for repair work.An exhaust valve r...
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JP2020032438A |
To prevent adhesion of sputter to the inside of a plasma gas nozzle, in arc spot welding using a plasma arc and a consumable electrode arc.An arc spot welding method includes: causing plasma gas to flow from a plasma gas nozzle surroundi...
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JP6656836B2 |
A packaging structure includes a first substrate including a first metal terminal and a second metal terminal whose height is lower than the height of the first metal terminal; and a second substrate including a third metal terminal and ...
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JP6642780B1 |
A method of repairing damaged parts of a precipitation-reinforced cast mixture, using a solid-melt reinforced welding material with higher toughness than the cast mixture, and forming a first weld layer 54 on the surface of the damaged p...
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JP6607050B2 |
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JP6522316B2 |
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JP2018187671A |
To provide a joining method capable of preventing metal shortage of a junction.A joining method for joining metal members 10 and 20 includes: an abutting step of forming the first metal member 10 and the second metal member 20 into a U-s...
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JP6393707B2 |
A spot welding apparatus which performs spot welding of a plurality of plate materials which are lapped to each other, comprises a displacement driving unit which displaces lapped portions of the plurality of plate materials and a tool r...
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JP6357566B2 |
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JP6357134B2 |
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JP2018051570A |
To provide a dissimilar material jointing spot welding method, a joint auxiliary member, and a dissimilar material welding coupling, which can joint dissimilar material between an aluminum alloy or a magnesium alloy and steel highly effi...
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JP2018027546A |
To stably join high-meting point materials such as steel materials.A joining method for joining joined materials comprises a process for radiating a plasma arc to the joined material, and a process for agitating a portion of the joined m...
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JP2018020363A |
To provide a joint method capable of enhancing joint accuracy.A joint method includes: an overlapping step of overlapping a surface 1a of a first metal member 1 and a rear face 2b of a second metal member 2 to form an overlapping portion...
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JP6255314B2 |
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JP6234308B2 |
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JP6217666B2 |
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JP6148955B2 |
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JP6144323B2 |
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JP2017056470A |
To control the leg length of a welding joining part on the connection pipe outside, when executing laser welding from a connection pipe inner surface, when joining a header and a connection pipe.According to the embodiment, a pipeline we...
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JP6082740B2 |
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JP2017030004A |
To control the leg length of a welding joining part on the connection pipe outside when laser-welding from a connection pipe inner surface, when joining a header and a connection pipe.According to the embodiment, a welding method for con...
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JP6065989B2 |
A method of butt welding steel plates includes: butting two steel plates (1) together, to form a Y groove having an opening portion (2) in an upper part and a root face portion (3) in a lower part; joining the two steel plates at the ope...
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JP6031958B2 |
To provide a closed container capable of easily increasing compressive strength and airtightness, and a method of manufacturing the same.A case 11 for a secondary battery 10 has an opening S of a metal case body 13 closed with a metal li...
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JP6015373B2 |
To provide a closed container manufacturing method capable of forming a joint part with no defect while improving pressure resistance and airtightness.A method for manufacturing a case 11 of a secondary battery has: a first jointing step...
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JP2016162643A |
To provide a conductive member having high conductivity, a high degree of freedom for a configuration layout while securing strength as the conductive member for a bus bar and the like.This conductive member has a first metal member, a s...
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JP5973870B2 |
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JP5967266B2 |
A method of welding an overlapped portion according to the present invention in which a plurality of steel sheet members are joined at an overlapped portion, and at least one of the plurality of steel sheet members contains martensite, i...
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JP5960655B2 |
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JP5954009B2 |
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JP5939619B2 |
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JP5933620B2 |
The invention relates to a method for welding rotors (30) for power generation (gas turbines, steam turbines, generators), which comprise a plurality of rotor discs (26, 27) arranged along a rotor axis (34), said method comprising the st...
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JP5934362B2 |
A method of welding an overlapped portion according to the present invention in which a plurality of steel sheet members are joined at an overlapped portion, and at least one of the plurality of steel sheet members contains martensite, i...
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JP5931341B2 |
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JP5872330B2 |
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JP5853364B2 |
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JP2016011845A |
To provide a welding method for a heat-transfer copper fin for metal cask that realizes excellent weldability in welding a different-material joint made of copper and steel, realizes a good-quality welded part having sufficient throat th...
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JP5826057B2 |
A hybrid welding method capable of improving arc stability and improving the welding speed and the welding efficiency is provided. A hybrid welding method includes generating a TIG arc on a leading side in a welding direction and generat...
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JP2015533948A |
Method for Bonding Filler to Substrate The process of holding the filler in the melting chamber of the crucible by electromagnetically suspending the filler in the chamber and releasing the filler from the melting chamber of the crucible...
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JP5771974B2 |
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JP5760421B2 |
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JP2015123475A |
To provide a mounting method of a fin of a radioactive substance storage container capable of suppressing decline of reliability of a mounting part.A mounting method of a fin includes steps for: welding together a fin 3 made of copper an...
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JP5740960B2 |
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JP2015507109A |
The present invention includes a pile body and a drilling tip provided separately, the drilling tip is provided with a tip and a conical trapezoidal tail, and the welding tip insertion portion is inserted into the fitting hole of the pil...
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