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WO/2024/076321A1 |
The invention relates to a system and a welding method for preventing liquid metal embrittlement in the welding zone and improving the welding quality. In particular, the invention relates to a system and a welding method in which the mo...
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WO/2024/076955A1 |
An apparatus including a longitudinal body having a first end and a second end. The first end includes a wrench and the second end includes an electrode puller. The body contains a trigger mechanism that controls the electrode puller. Th...
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WO/2024/070459A1 |
Provided is a resistance spot welding method suited for manufacturing a welded joint that exhibits superior delayed fracture resistance. In the resistance spot welding method, two or more superimposed steel plates are sandwiched between ...
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WO/2024/071192A1 |
Provided are a battery pack and a method for producing the same which enable easy positioning of the center axes of battery cells arranged linearly and electrically connected in series, and which enable improvement in accuracy of the pos...
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WO/2024/063011A1 |
The purpose of the present invention is to provide a welded member and a manufacturing method therefor. In a welded member according to the present invention, the total sheet thickness of a sheet combination and the minimum thickness of ...
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WO/2024/063012A1 |
The purpose of the present invention is to provide a welded member and a manufacturing method therefor. The present invention is a welded member in which a plate assembly obtained by overlaying two or more steel plates is resistance spot...
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WO/2024/063009A1 |
The purpose of the present invention is to provide a welded member and a method for producing same. The present invention is a welded member provided by the resistance spot welding of a sheet set in which two or more steel sheets are ove...
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WO/2024/063010A1 |
The purpose of the present invention is to provide a welded member and a method for manufacturing the same. The present invention relates to a welded member in which a sheet set obtained by stacking two or more steel sheets is welded tog...
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WO/2024/055471A1 |
A resistance spot welding method for steel parts. The method comprises: acquiring steel parts, wherein the steel parts comprise a first part and a second part; performing a heat treatment on at least one region to be welded of the steel ...
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WO/2024/057602A1 |
Provided is technology with which a nugget can be grown to a desired size in a short time while suppressing the occurrence of spatter. This resistance spot welding method comprises: a pre-energization step in which energization is perfor...
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WO/2024/056980A1 |
The invention relates to a spot welding method comprising steps of: positioning, between two electrodes (E123, E22), two electrically conductive parts (P1, P2) to be joined together, each of the two parts having an interface zone (S3) be...
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WO/2024/052132A1 |
The invention relates to a method for metallurgically bonding multiple metallic layers (10, 10', 10'', ...) over a large surface, in which method a capacitor discharge welding process is used in which several capacitors are used that are...
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WO/2024/053085A1 |
[Problem] To provide an electrode tip regeneration device that makes it possible to suppress variation in rotational speed and shape an electrode tip with a stable cutting quantity, even when rotational torque varies due to pressure weld...
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WO/2024/051944A1 |
The invention relates to a method for cleaning the surface of a metal wire (2) or metal strip, in particular a metal wire (2) or metal strip used as an intermediate electrode of a roll seam welding machine, wherein the metal wire (2) or ...
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WO/2024/053669A1 |
The present invention addresses the problem of providing a welded joint in which LME cracking during manufacturing is suppressed. A welded joint according to the present invention is characterized in that: a plated steel sheet forming th...
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WO/2024/047849A1 |
Prepared are: a rotating holder (2) capable of receiving an electrode tip (11) for spot welding; and a cutting member (3) including a cutting-edge section (3d) and a flank face section (3b). A reception face section (2c) and the flank fa...
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WO/2024/041463A1 |
A spot-welded joint and a manufacturing method therefor. The spot-welded joint comprises a first workpiece (1), a second workpiece (2), and a weld nugget used for fixedly connecting the first workpiece (1) and the second workpiece (2). A...
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WO/2024/042421A1 |
A quick release mounting assembly or connector assembly for connecting a wire feeder to a robotic welding system is disclosed. The connector assembly includes an adapter plate configured to mount to a robotic welder of the robotic weldin...
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WO/2024/034173A1 |
A resistance welding device 1 comprises a first electrode 2 and a second electrode 3. The first electrode has a first contact surface 21 which is brought into contact with a workpiece 100. The second electrode has a second contact surfac...
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WO/2024/031096A1 |
A method for forming an electrically conductive substrate assembly of an electrode plate comprising: a) forming a non-conductive substrate with a plurality of conductive openings; b) filling one or more of the plurality of conductive ope...
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WO/2024/029532A1 |
The present invention is for manufacturing a winding so that a terminus of a metal wire will not damage other components or the like, without increasing the number of manufacturing steps and with the shortest possible distance from a wel...
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WO/2024/029626A1 |
Provided is a method for manufacturing a spot welded joint, comprising: a regular welding step in which a regular welding current value Iw0 (kA) is supplied, so as to satisfy a predetermined condition, to a plate assembly comprising high...
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WO/2024/012782A1 |
The invention relates to a method for producing a torque-transmitting connection between at least one pinion (56) and a rotor shaft (26), wherein at least the following method steps are performed: a) mounting a housing (14) and at least ...
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WO/2024/014146A1 |
The purpose of the present invention is to provide a resistance spot welding method. The present invention provides a resistance spot welding method for joining two or more steel sheets including at least one zinc-plated steel sheet, the...
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WO/2024/004445A1 |
This chip recovery system suctions and recovers chips (M1) using a suction unit, the chips (M1) being produced when the distal end of an electrode tip for spot welding is cut using a tip dresser. The suction unit is provided with an elec...
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WO/2024/006657A1 |
A method of joining metal substrates includes providing a first electrode and a second electrode where at least one characteristic of the first electrode is different from the second electrode. The method includes applying a compressive ...
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WO/2024/003802A1 |
A welding machine, preferably of the flash 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) provi...
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WO/2023/248442A1 |
There is a need to optimize the number of attitudes in which a welding gun is positioned in an operation for acquiring a pressure force for correcting a pressure force command of a welding gun, and to simplify that operation. A device ...
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WO/2023/241086A1 |
A welding device for a solar cell panel frame, comprising a rack (9). A lower shaft hole (171) is formed in a front wall (91) of the rack; a rectangular hole (60) is formed above the lower shaft hole; sliding grooves (29) are provided at...
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WO/2023/244873A1 |
A method of monitoring a welding process can include adaptively welding a first workpiece to a second workpiece to form a welded joint, monitoring the welded joint during the adaptive welding using one or more sensors, receiving one or m...
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WO/2023/243151A1 |
Provided is a method for predicting resistance spot welding spatter generation that is capable of accurately predicting the presence or absence of spatter generation throughout an entire welding process, without implementing a preliminar...
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WO/2023/237590A1 |
The invention relates to a connection system (6) for hingedly connecting two levers (2, 4) in a motor vehicle, in particular in a vehicle seat, the system comprising a bearing pin (10), having a pin head (14), a pin shank (16) and a pin ...
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WO/2023/233704A1 |
Provided is a welded joint in which breakage of a welded part is suppressed and which has a nugget diameter of a desired magnitude even when at least part of a surface steel sheet in a sheet set is plated with zinc and the effect of the ...
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WO/2023/234391A1 |
A spot welded joint according to one embodiment of the present disclosure comprises a first steel plate, a second steel plate, and a spot-welding portion joining the first steel plate and the second steel plate. The first steel plate and...
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WO/2023/234174A1 |
In this method for manufacturing a dissimilar material joined body 10: a rivet 40 comprising a head portion 41 and a central shaft portion 42 that has a substantially columnar shape and that includes a plurality of protruding portions 43...
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WO/2023/233705A1 |
Provided is a welded joint wherein cracking at a welded portion is minimized and a nugget diameter of desired size is realized even when at least one of surface steel sheets in a sheet set is a galvanized steel sheet and when the thickne...
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WO/2023/234390A1 |
A projection-welded joint according to one embodiment of the present disclosure comprises a steel sheet, a steel member, and a projection welding unit for joining the steel sheet and the steel member. The projection welding unit comprise...
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WO/2023/230068A1 |
Apparatuses configured to be deployed from mobile welding repair vehicles for the repair of railroad trackwork allow a welding system to be stored and deployed from the mobile welding repair vehicles. The apparatuses deploy from the vehi...
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WO/2023/228924A1 |
Provided is a resistance spot welding method which is capable of efficiently generating the largest possible nugget while suppressing the occurrence of spattering. This resistance spot welding method involves overlaying two or more steel...
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WO/2023/228674A1 |
Provided is a method for estimating the nugget diameter of a welded material bonded by resistance spot welding, the method comprising: a reference welding step for measuring the amount of expansion of a test material and bonding the test...
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WO/2023/228434A1 |
[Problem] To provide a tip dresser that is capable of, when performing resistance welding, applying appropriate electric current and voltage to a welding spot. [Solution] The present invention comprises: a rod-like member 10 which has ...
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WO/2023/228423A1 |
This welding management device manages the welding conditions of spot welding. The welding management device comprises a control device and a calculation processing device. The calculation processing device comprises a storage unit for s...
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WO/2023/222584A1 |
The invention relates to a band flash butt welding machine (1) with which end faces of band ends (3, 11) of at least one band, in particular a saw band, can be welded. The band flash butt welding machine (1) has clamping elements (5, 12)...
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WO/2023/223604A1 |
Provided are a method, etc., for determining a gap between steel plates in resistance spot welding, whereby the presence of a gap between steel plates can be determined by directly measuring the shapes of primary surfaces of superimposed...
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WO/2023/223485A1 |
The purpose of the present invention is to provide a welding device and a welding method with which it is possible to properly comprehend welding defects including abnormal shapes, which are linked to fold defects, and the generation of ...
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WO/2023/222442A1 |
The invention relates to a method for connecting a hot formed steel article to a steel object. According to the invention, the method comprising the following steps: - Providing a zinc or zinc alloy coated medium manganese steel blank; -...
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WO/2023/210406A1 |
Provided is a current control method for resistance spot welding in which a plurality of stacked metal plates are clamped with a pair of electrodes, and electricity is passed therethrough while pressure is applied, to weld the metal plat...
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WO/2023/211188A1 |
The present invention relates to a system and a method for laser scanning-based resistance spot welding quality assessment and, more particularly, to a system for laser scanning-based resistance spot welding quality assessment, the syste...
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WO/2023/203753A1 |
The objective of the present invention is to alleviate the burden of work performed by an operator to confirm a number of weld spots on a workpiece. A weld spot number management device 10 according to an embodiment of the present disc...
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WO/2023/196718A1 |
A welding electrode for use in resistance spot welding an assembly of metal workpieces with curved surfaces and closed or open sections is disclosed. The welding electrode includes a body, a weld face at one end of the body, and contoure...
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