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WO/2024/089138A1 |
The invention relates to a metal tubular connector (1) comprising a first tubular component (2) and a second tubular component (3), the first tubular component (2) and the second tubular component (3) being metallic, the first tubular co...
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WO/2024/061816A1 |
A heat exchanger module (10) comprising a body (12) having a first inlet surface (14), a first outlet surface, a second inlet surface and a second outlet surface, the body (12) comprising a dividing wall (20) separating a first circuit (...
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WO/2024/008626A1 |
The present invention relates to a valve blank (40) and a valve base cover (20) for an internally cooled hollow-stem valve (60) having an optimized friction-weld seam, an internal friction-weld burr being reduced, accommodated in a reces...
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WO/2024/008864A1 |
The present invention relates to a valve base (2) with a serrated portion (16) which is designed as a stepped-serration portion or saw-tooth serration portion (24) for transmitting a torque during friction welding, and a holding tool (40...
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WO/2023/223831A1 |
A heat transfer pipe (1A) is provided with a flared portion (30) which has a spherical-zone shape and in which an inner diameter of a leading end is larger than that of a base end. A pipe as a connection target is passed through the flar...
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WO/2023/194536A1 |
The present application relates in particular to a welding method comprising the following successive steps: removing a layer of an inner surface (9) of the end (11, 13) of at least one of the pipes, thereby creating a recessed zone (15)...
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WO/2023/162356A1 |
Provided is a submerged arc welding method that makes it possible to achieve excellent mechanical characteristics and high productivity when thick steel sheets for shipbuilding, construction, or the like are to undergo high-heat-input we...
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WO/2023/143087A1 |
An end cover machining method. The end cover comprises an annular part (10), which is made of a powder metallurgy material. Also disclosed is an end cover and a pipeline assembly. The pipeline assembly comprises a first pipeline (40), a ...
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WO/2023/088334A1 |
A welded structural part (100) and a forming method therefor, and an electronic device. The welded structural part (100) comprises a first structural part (10) and a second structural part (20); a through hole (13) is formed in the first...
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WO/2023/083397A1 |
The object of the invention is a method of manufacture of an element (1 ) of a truss structure. This method comprises providing at least two main rods (2), each with at least one plane surface (19) passing along its axis for the majority...
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WO/2023/070180A1 |
The present invention pertains to the field of technologies related to the connection between the casing and the flange in vertical electric machines, more specifically the present invention relates to the cylindrical or conical calender...
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WO/2023/070179A1 |
The present invention relates to a polygonal casing (1000) for large-size rotary electric machines, comprising one or more girders (1110), one one more counterplates (1120) and one or more sealing plates (1200), wherein the one or more g...
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WO/2023/277290A1 |
Disclosed in one embodiment of the present invention is an aluminum-coated blank comprising: a first coated steel sheet; a second coated steel sheet connected to the first coated steel sheet; and a connection part for connecting the firs...
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WO/2022/236976A1 |
A submerged-arc welding process for thick-gauge TMCP-state high-strength low-yield-ratio bridge steel. The process uses welding materials and welding process parameters that match with high-performance bridge steel. The welding wire mark...
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WO/2022/239682A1 |
Provided are a plug, a pipe structure, and a plug installation method that make it possible to seal back-shielding gas using the plug itself. The plug (1) blocks, from the outer circumferential surface side of a pipe (50), a through-hole...
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WO/2022/200301A1 |
The invention relates to a method for the laser welding of two parts to be joined (1d, 2d), which are held against each other in a lap joint and are made of a metal material, the first part to be joined (1d) having a joining flange (3) w...
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WO/2022/172892A1 |
This weldment manufacturing method includes: a recess formation step for forming, in a first object member and a second object member that are objects to be bonded, recesses to be a plurality of holes straddling the first object member a...
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WO/2022/106170A1 |
Method of manufacturing a dome comprising: providing a plurality of components; joining a first and a second component together, joining the first and second components together comprising: positioning the first component and the second ...
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WO/2022/082982A1 |
A butt-welding method for a U-shaped stainless steel rib with a drainage function. In the method, a stainless steel sheet patching section (6) of a certain length is provided between bridge decks of adjacent beam sections, and a U-shaped...
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WO/2022/038130A1 |
The invention relates to a method for applying a wear-resistant running layer (6) to a strand guide roller (1), wherein the strand guide roller (1) comprises a cylindrical roller jacket (2) which is made of a metal base material, prefera...
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WO/2022/028240A1 |
The present invention relates to an internally inlaid solder-type pipe fitting, comprising: fittings to be connected, which comprise a first pipe fitting and a second pipe fitting; and a connecting portion, which comprises an inner exten...
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WO/2022/014954A1 |
The present invention relates to an apparatus for bending and welding an electrode lead and a method for welding an electrode lead using same, the apparatus comprising: a base part which can move in the vertical direction and the horizon...
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WO/2021/246592A1 |
Disclosed are: an aluminum-based plated blank; a method for manufacturing same; and an apparatus for manufacturing an aluminum-based plated blank. In a specific embodiment, the aluminum-based plated blank includes a joint connecting at l...
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WO/2021/230769A1 |
The invention relates to the field of welding and, more specifically, to controlling the stability of a weld puddle during orbital laser wire welding of annular joints in a narrow-gap preparation of welding edges of fixed pipe joints. Th...
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WO/2021/230768A1 |
The invention relates to the field of welding and, more specifically, to control of a thermal welding cycle during multilayer laser welding of fixed annular butt joints in a narrow-gap preparation with a surfacing wire. A method for cont...
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WO/2021/208456A1 |
A junction box (220), a photovoltaic module (200) and a wiring method, relating to the technical field of photovoltaics, and aiming to improve the wiring reliability and stability of the junction box (220) so as to ensure the generating ...
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WO/2021/200638A1 |
A member to be brazed made of aluminum to be brazed with a member made of a brazing sheet, the member to be brazed made of aluminum being characterized in that two or more grooves are provided on the surface of a fillet formation range o...
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WO/2021/180767A1 |
The invention relates to a method for butt welding at least two metal sheets, namely a first metal sheet (A) and a second metal sheet (B), wherein in particular a tailored blank is produced from said metal sheets (A; B).
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WO/2021/180355A1 |
The present application relates to a method for producing welded connections between inner tubes (16) and tube support plates of a tube bundle for a product-to-product shell-and-tube heat exchanger by means of an auxiliary device (50), s...
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WO/2021/167498A1 |
The invention relates to the field of welding. The invention can be used for external multi-pass automatic laser welding of fixed joints of pipeline connections. The invention makes it possible to produce flawless pipe-steel welded conne...
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WO/2021/162547A1 |
The invention provides a method for coaxially welding together two tubes. Axial ends of the tube walls of the respective tubes are machined in such a way that they have a stepped shape over at least a first part of the tube wall thicknes...
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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/2021/157141A1 |
The present invention provides a thermometer protective cylinder capable of suppressing a non-welded portion from being generated in a part to be welded. A thermometer protective cylinder is provided with: a cylinder main body (10) which...
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WO/2021/154120A1 |
Claimed is a method of preparing the geometry of structural elements of the edges of parts to be welded for the orbital single-sided multi-pass laser welding of non-rotated annular butt joints. The method relates to the field of welding....
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WO/2021/147533A1 |
A heat exchanger stainless steel vacuum casting brazing filler metal welding plane connector and a machining and welding method, the welding plane connector comprising a stainless steel connector (1), an annular groove (2) that is provid...
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WO/2021/120912A1 |
A prefabricated Yankee cylinder section and a manufacturing method for a Yankee cylinder. The manufacturing method comprises: performing welding to internally connect first reinforcement flanges (101, 201) of two prefabricated Yankee cyl...
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WO/2021/123025A1 |
The invention relates to an assembly of two concentric parts (10, 11) fitted one into the other, the central one (10) of which is cylindrical and the other of which is in the form of a disc (11) with a toothed central opening (16) for an...
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WO/2021/118274A1 |
The present invention relates to a pre-stressed steel sheet and a method for manufacturing same. An embodiment of the present invention provides a pre-stressed steel sheet comprising: a base material; and a plurality of weld lines formed...
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WO/2021/089072A1 |
The invention relates to a working cylinder comprising a cylinder tube, a first closure part, a second closure part, and a piston unit, wherein the cylinder tube has a first cylinder tube end and a second cylinder tube end, the first clo...
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WO/2021/091584A1 |
A method for continuously applying hardbanding to an oil and gas tubular or building up a worn oil and gas tubular that includes low heat input welding without compromising the mechanical properties of the tubular. The method includes pr...
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WO/2021/089071A1 |
The invention relates to a working cylinder comprising a cylinder tube, a first closure part, a second closure part, and a piston unit, wherein the cylinder tube has a first cylinder tube end and a second cylinder tube end, the first clo...
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WO/2021/034930A1 |
A technique for producing tailored metal blanks composed of two pieces having different thickness involves modifying at least one piece to include a transition region. A thickness of a modified piece changes over the transition region so...
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WO/2021/012642A1 |
Disclosed is a vehicle wheel, comprising a rim (10) and a spoke (20), wherein the surface of one end, in the axial direction, of the rim (10) is provided with a first connecting surface (11); part of the surface of one end, in the axial ...
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WO/2021/008859A1 |
Due to electron-beam welding at a welding speed of 40 mm/min to 80 mm /min particularly dissimilar joining zones of nickel-based superalloys can be achieved.
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WO/2020/213493A1 |
A second member (20) is constituted by a material that is difficult to weld to a first member (10). A depression (11) is formed in the first member (10) by press molding so that a lower-surface side of the first member (10) on a side opp...
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WO/2020/208887A1 |
A metal box body (1) includes a bottom portion (10) comprising a metal plate, and a side wall portion (20) comprising a metal plate provided standing upright from an outer peripheral edge (11) of the bottom portion (10). A boundary part ...
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WO/2020/193531A1 |
The invention relates to a method for producing a hot-rolled steel material composite (10) with various properties. Furthermore, the invention relates to a hot-rolled steel material composite (10) with various properties. The invention a...
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WO/2020/185333A1 |
Method (300) of manufacturing first structural component (102') for joining with second structural component (104) by groove weld (106) is provided. The first structural component (102') has first surface (208), second surface (210) and ...
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WO/2020/165452A1 |
The invention relates to a method for creating an electric heating source, comprising a body (11) equipped with one or more housings containing mineral-insulated heating cables (192). The housings communicate with one or more reservoirs ...
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WO/2020/163276A1 |
Embodiments herein relate to implantable medical devices including a welded joint with reduced residual stress. In a first aspect, an implantable medical device is included having a power subunit comprising a first biocompatible electric...
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