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WO/2022/045648A1 |
The present invention relates to a steel sheet suitable as a material for transporting oil and gas and, more particularly, to a hot-rolled steel sheet having excellent impact toughness in a welded zone after electric resistance welding (...
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WO/2022/045626A1 |
A welding apparatus, according to one embodiment of the present invention, comprises: a welding rod; a temperature measuring jig part which measures the temperature of the welding rod; and a welding rod cooler part which cools the weldin...
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WO/2022/023207A1 |
A welding apparatus, which comprises a movement assembly (2) for at least one electrode, which can be passed through by current for the execution of welding treatments. The assembly (2) comprises at least one cylinder (3) and at least on...
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WO/2022/014173A1 |
Provided is a resistance spot welding method adapted to manufacturing a welded joint which exhibits superior delayed fracture resistance. In the resistance spot welding method, two or more superimposed steel plates are clamped between a ...
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WO/2022/010641A1 |
A workpiece (32) of Ti or a Ti alloy includes a surface with a coating layer of titanium nitride. A region of the surface includes a connection zone (34)of a Ti-N solid solution alloy. A second Ti or Ti alloy workpiece (42) is contacted ...
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WO/2022/004964A1 |
Disclosed is a spot welding device, which is manually usable and requires no large force when used, and the position of which is easily changeable. The spot welding device according to an embodiment comprises: an air balance including mu...
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WO/2021/260963A1 |
This dissimilar material joint structure 1 comprises a plate material 20, a welding nut 10 positioned on the obverse surface of the plate material, and a washer 30 positioned on the reverse surface of the plate material. The welding nut ...
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WO/2021/260985A1 |
The purpose of the present invention is to provide an electrode pressure application mechanism which is for a resistance welding machine, and with which it is possible to control pressure applied on a workpiece without depending on press...
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WO/2021/260422A1 |
The invention is a resistance welding machine (1) particularly suited to carry out repairs on metallic bodies, comprising a machine body (11) housing a rechargeable electric battery (2) for supplying the electrical energy that is necessa...
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WO/2021/261479A1 |
Provided are a projection weld joint and a projection welding method. The present invention relates to a protruding weld joint formed by projection-welding a nut and a steel plate having a tensile strength of 980 MPa or more. In the hard...
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WO/2021/255535A1 |
The invention relates to a device for feeding transverse wires (1) above and below a production line for mesh mats (3) which consist of welded transverse and longitudinal wires, said device comprising an upper transverse wire feeder, whi...
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WO/2021/246036A1 |
The method for manufacturing a bonded article according to the present invention includes: a step for providing a first metal member having an opening and a bonding structure; a step for providing a second metal member having a to-be-bon...
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WO/2021/246037A1 |
A method for manufacturing a joined article, according to the present invention, comprising: a step for providing a first metal member comprising first and second openings; providing a second metal member 20 comprising first and second o...
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WO/2021/241792A1 |
The present invention relates to an internal electrode insertion device for automatically transferring multiple internal electrodes to a welding position in welding equipment for the skeleton of a nuclear fuel assembly and, more specific...
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WO/2021/228305A1 |
The invention relates to a method for joining two metal sheets (3, 4), more particularly of a flow field plate, by means of roller seam welding, comprising the following steps: - feeding two metal sheets (3, 4) lying on top of each other...
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WO/2021/225698A1 |
An apparatus is disclosed. The apparatus has a power supply, a control device connected to the power supply, a welding device selectively connected to the power supply via the control device, and a switch connected between the control de...
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WO/2021/220522A1 |
[Problem] To reduce the volume of a database that obtains welding parameters. [Solution] A first database 38 outputs a welding current 44, an energization period 46, and an applied pressure 48, which correspond to fundamental factors 32 ...
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WO/2021/209411A1 |
In a method for connecting a spindle holding element (14) to a guide rail (10) in order to create a longitudinal adjustment device (1) for a vehicle seat (16), the spindle holding element (14) for fastening a spindle (12) is integrally b...
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WO/2021/210303A1 |
Provided is a method for producing a resistance-welded member that makes it possible to suppress an internal crack of a nugget and an internal crack of a corona bond during spot welding of a set of three or more sheets including a plated...
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WO/2021/207838A1 |
A welded assembly includes a first object, a second object, and an interlayer. The interlayer is an ESD coating deposited on the first object, and the second object is welded to the coating. The second object may be a material that has t...
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WO/2021/210541A1 |
Provided is a method for producing a resistance-welded member that makes it possible to suppress an internal crack of a nugget and an internal crack of a corona bond during spot welding of a set of three or more sheets including a plated...
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WO/2021/202089A1 |
Methods of fastening are provided. A method comprises contacting a fastener with a first layer of an assembly at a first location. The assembly comprises the first layer, a third layer, and a second layer positioned intermediate the firs...
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WO/2021/200154A1 |
Provided are an electronic component, a lead part connection structure, and a lead part connection method which can reduce damage of a lead part and improve joint strength. In this lead part connection structure, a lead part (3) made o...
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WO/2021/200888A1 |
A welding device (10) comprises a plurality of first welding electrodes (26, 28) which are rotatable, and a second welding electrode (42) which sandwiches a plurality of workpieces (32, 40) between the second welding electrode and one of...
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WO/2021/200886A1 |
A first workpiece (32) has a columnar portion (34) and a head portion (36). This welding device (10) comprises a first welding electrode (26, 28) to which a holding part (169) for holding the columnar portion of the first workpiece is pr...
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WO/2021/200889A1 |
A work-body switching device (20) is equipped with a camshaft (110) in which a first cam groove (112) and a second cam groove (114) having a phase difference therebetween are formed on the side peripheral wall thereof. A first pivot memb...
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WO/2021/200736A1 |
A method for manufacturing a contact joint structure according to one embodiment of the present invention includes: passing the shaft of a rivet through a through-hole of a first member, said rivet being equipped with the shaft and a fla...
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WO/2021/199689A1 |
This counter electrode determination method comprises: a step for inserting a pair of counter electrodes (12, 13) to corresponding receiving parts (72, 73), respectively, with a to-be-sandwiched member (7) that has the receiving parts (7...
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WO/2021/199784A1 |
Provided is a welding control device capable of improving production efficiency and welding quality. One aspect of the present disclosure provides a welding control device used for a resistance welding machine comprising: a first electro...
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WO/2021/192765A1 |
The present invention provides a vehicle body assembly apparatus and a vehicle body assembly method with which it is possible to assemble a vehicle body with high precision and at low cost. This apparatus for assembling a vehicle body co...
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WO/2021/186346A1 |
Method for the continuous production of mesh mats made of steel wire having a plurality of parallel longitudinal wires (2) that are welded to transverse wires extending in a manner spaced apart from one another, wherein hot- or cold-roll...
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WO/2021/179028A1 |
The invention relates to a bending machine (10), in particular a folding machine, for bending a workpiece (9), comprising - at least one first bending tool holder (1, 11, 12) which is movably mounted to perform a working movement (A) and...
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WO/2021/183366A1 |
Anti-shingle rivets are provided. The anti-shingle rivets comprise a head portion comprising an outer edge configured to inhibit shingling in a rivet delivery system and a shank extending from the head portion.
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WO/2021/177254A1 |
Provided are a resistance spot welding method and a manufacturing method for a resistance spot welded joint. The present invention is a resistance spot welding method in which a sheet assembly having two or more steel sheets overlapped t...
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WO/2021/177672A1 |
Disclosed are a pillar anchor for an automobile and a method for manufacturing same. The pillar anchor for an automobile according to an embodiment of the present invention comprises a pair of plates, which include a first anchor plate a...
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WO/2021/172080A1 |
The objective of the invention is to suppress, in a resistance spot welding method in which a high-strength galvanized steel sheet is used, the occurrence of an LME crack in a pressure-welded portion of a resistance spot welded joint. Th...
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WO/2021/172728A1 |
A welding failure inspection method of the present invention comprises: a threshold resistance setting step (S100) of measuring the resistance of a welding part in a sample group so as to derive a threshold resistance value, which become...
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WO/2021/172063A1 |
Provided is an air blow nozzle that, even when maintenance is periodically performed on a tip dresser, can surely get rid of chips adhering to a cutting blade part during cutting work after the maintenance. In an air blow nozzle 6, a noz...
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WO/2021/171583A1 |
The present invention is a method for manufacturing a sealed compressor provided with a sealed container that includes a container body (31) and a protruding container (35) protruding outward from the container body. When the container b...
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WO/2021/171864A1 |
The present invention is configured so that: a heat-resistant hard-material guide pin and an insulating synthetic-resin-material sliding member are integrated; an insert part and an extension part are provided to the sliding member; the ...
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WO/2021/165983A1 |
The present disclosure relates to electrode holders having their body and mouth portion made of dissimilar compositions that is capable of providing enhanced service life of up to three times, along with increased ability to withstand in...
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WO/2021/165002A1 |
The invention relates to a method for providing a component assembly (1) for a motor vehicle, wherein a weldable element (4) is inserted into an opening (3) of a first metal sheet (2), a second metal sheet (5) is placed against a face (8...
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WO/2021/167545A1 |
The invention relates to a resistance welding robot with an external power supply, which allows welding operations to be performed in a faster way, and is flexible and lightweight and can be operated fast, and thereby allows working in l...
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WO/2021/167108A1 |
A joining device comprising: an electrode for transmitting current to an object to be joined; a current supply unit which, when voltage is applied thereto, generates a current to be supplied to the to-be-joined object; a current measurin...
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WO/2021/162101A1 |
This bonded component comprises a first steel member, a second steel member, and a spot welding part which bonds the first steel member and the second steel member to each other. The first steel member comprises: a steel sheet base mater...
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WO/2021/162288A1 |
The present invention relates to an electrode assembly in which: a plurality of electrodes are stacked with a separator interposed therebetween; electrode tabs protruding from the electrodes are combined with an electrode lead in a state...
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WO/2021/160358A1 |
The invention relates to a component arrangement and to a method for producing a component arrangement. The component arrangement comprises a first component (10) and a second component (20), which are arranged in an overlapping arrangem...
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WO/2021/161771A1 |
The present invention is provided with a main body made of metal and an end cap made of metal. A heat-insulating guide tube made of an insulating material and inserted into the main body is provided with a larger-diameter hole and a smal...
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WO/2021/157658A1 |
A joining device provided with: a first circuit to which a primary winding of a first transformer and a first capacitor are connected; a second circuit to which a primary winding of a second transformer and a second capacitor are connect...
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WO/2021/156738A1 |
A welding machine, preferably of the flash butt welding type, designed to facilitate maintenance of the clamping means (3, 4, 6, 7), e.g. clamps, of the two longitudinal metal products to be welded. Advantageously, a first structure (2),...
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