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WO/2022/152963A1 |
The invention relates to a method and device for calibrating the dimensions of a T-branch pipe (1). The T- branch pipe comprises a standard pipe (2) and a collar (3) forming a branch opening, the collar diameter of which is made larger t...
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WO/2022/152965A1 |
A method and device for perforating a pipe wall. In the method, the pipe is moved in its longitudinal direction to a punching position comprising a cutting punch (2) and a three- part die (3, 5, 8) inside the pipe. The die (3, 5, 8) is e...
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WO/2022/149984A1 |
A method for producing spiral heat exchangers of various lengths, wherein tube elements (1) are profile rolled and welded to seam welded tube lengths (21) of stainless steel, the tube lengths (27) are conveyed from the tube rolling mill ...
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WO/2022/142760A1 |
A method for improving the dimensional precision of ends of a deep-sea steel catenary riser. The method comprises the following steps: upsetting both ends of a riser within the range of 100-350 mm after hot rolling to slightly increase t...
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WO/2022/137146A1 |
A method for making an ingot mold (2) comprises the steps of: a) providing a copper sheet (21) wrapped about a main extension direction (X) so as to encompass an inner cavity (I) and so that a left flap (SX) and a right flap (DX) of the ...
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WO/2022/138282A1 |
This device for producing a branch part structure comprises: a die 10 that is formed in a spherical shape and has a long diameter A1 and a short diameter B1 which is shorter than the long diameter A1; and a drawing jig 20 that can connec...
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WO/2022/131598A1 |
One aspect of the present invention is to provide a pipe steel sheet with excellent hydrogen-induced cracking resistance and a manufacturing method therefor.
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WO/2022/128734A1 |
The invention relates to an arrangement, a method and a straightening unit (18) for roll bending of the connecting region with the ends (28a, 28b) of sharply bent tubes together using a three-roll bending machine (10). An arrangement acc...
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WO/2022/132610A1 |
Disclosed herein are systems and method for forming a final hollow body from a metal strip. A forming system may include a forming station, a joining station, an inline heater, and a hydroforming station. Forming the final hollow body fr...
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WO/2022/125001A1 |
The invention relates to a multi-layered pipe obtained by coating a metal strip with a soldering layer (1) consisting of a copper or a copper alloy using the Bundy production method, and where the metal strip is selected from a material ...
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WO/2022/122951A1 |
The invention relates to a method for coaxially extruding an extruded product. To this end, an extruding device has the following: a receiver (7); a first receiver bore (5) which is formed in the receiver (7) and in which a first punch (...
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WO/2022/117286A1 |
The invention relates to a method for pre-shaping sheet metal (1) in strip- or panel-form having a flat cross-sectional profile into a circular arc-shaped cross-sectional profile, in a pre-shaping section (3) of a plant for producing ope...
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WO/2022/118515A1 |
This position detection device for a seam portion and a heated portion in a welded steel pipe detects the position of a seam portion and the position of a heated portion in a welded steel pipe and is provided with: a light source that ir...
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WO/2022/117287A1 |
The present invention relates to a method for producing open-seam pipes (1) from flat metal products (2), in particular sheet metal, by shaping same in a step-by-step manner in the circumferential direction of the open-seam pipe (1) bein...
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WO/2022/034505A9 |
The disclosure relates to a method for producing multi-walled tubes, in which a metal strip is rolled up to form the multi-walled tube. The metal strip has at least one steel layer, and at least one solder layer is applied to the steel l...
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WO/2022/096570A1 |
The invention relates to an umbilical for use between an offshore construction (10) and a seabed installation (20), comprising one or more of longitudinal umbilical elements, such as one or more filler element, one or more signal cable, ...
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WO/2022/095271A1 |
A method for preparing a multilayer metal composite pipe. The method comprises the following steps: internally and externally grinding blank pipes; cleaning oil stains; performing multi-layer metal pipe sleeving; drawing to reduce the di...
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WO/2022/095272A1 |
A method for preparing a high-performance and difficult-to-deform metal precision seamless tube, comprising the following steps: heating treatment, perforation treatment, external grinding of a raw tube, internal grinding of the raw tube...
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WO/2022/090890A1 |
Described is a hollow metal wire (1, 21, 31, 41) made of several metal components, in particular for goldsmith's, silversmith's and costume jewellery products, which extends along a direction of extension (10) and which comprises at leas...
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WO/2022/091113A1 |
The present invention provides a heat transfer equipment at rapid rate of thermal diffusion across the temperature gradient. The present invention further provides a method of manufacturing of a heat transfer equipment. The various embod...
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WO/2022/090697A1 |
Apparatus for assembling a pipe-in-pipe pipeline comprises a primary support system, such as an array of rollers, for supporting an outer pipe section and a secondary support system, such as a set of rails, for supporting an inner pipe s...
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WO/2022/090781A1 |
The invention relates to an alloy having the following composition by weight: 16.5% ≤ Cr ≤ 25.0%; 11.0% ≤ Mo ≤ 18.0%; 2.0% ≤ W ≤ 7.0%; Fe ≤ 1.0%; Mo+W ≤ - 0.5 x (Cr+Fe) + 30%; Mo+W ≥ - 0.5 x (Cr+Fe) + 25%; Ti+Ta ≤ 0.8...
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WO/2022/075026A1 |
Provided are a rectangular steel pipe, a production method therefor, and a building structure. The present invention is a rectangular steel pipe having flat plate parts and corner parts, wherein, when the average thickness of the plate p...
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WO/2022/073741A1 |
The invention relates to a shaping roll (4) which is located in a stand of a tube-welding installation for producing longitudinally seam-welded tubes and has a roll body (5), wherein the roll body (5) is formed in a number of parts radia...
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WO/2022/075027A1 |
Provided are an electric resistance welded steel pipe and a method for manufacturing the same. The present invention is an electric resistance welded steel pipe having a base material section and a welded section, wherein: the steel stru...
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WO/2022/071901A1 |
The invention relates to a CNT - metal composite embodiment defined by a layer formed by a conductive part and a CNT part coated onto said conductive part and layers defined with a second conductive part coated onto said CNT part and a s...
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WO/2022/063244A1 |
The present disclosure discloses a 700 MPa grade hot-formed axle housing steel, the mass fractions of chemical components of which are: C: 0.17% to 0.27%, Si: 0.30% to 0.50%, Mn: 1.2% to 1.8%, P: ≤0.02% , S: ≤0.009%, Ti: ≤0.1%, and...
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WO/2022/053353A1 |
The invention relates to a nickel-based alloy material. The nickel-based alloy material consists of in percent by weight: Chromium: 20.00 to 22.50 %, Molybdenum: 11.50 to 14.50 %, Iron: 2.00 to 6.00 %, Copper: 2.10 to 6.00 %, Tungsten: 2...
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WO/2022/043373A1 |
The invention relates to a method for manufacturing a substantially tubular part (1) comprising at least one sleeve (2, 3) and a cavity (4), comprising the following steps: - cutting out a substantially rectangular blank (6), increased o...
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WO/2022/037593A1 |
A welding strip manufacturing apparatus (100) and a manufacturing method thereof. The welding strip manufacturing apparatus (100) is suitable for manufacturing a photovoltaic welding strip (200). The photovoltaic welding strip (200) comp...
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WO/2022/033619A1 |
The invention relates to a heat exchanger (1) and to the use of sheet metal to produce perforated fins (2) for a heat exchanger (1), wherein a stack of fins (2) has prefabricated openings (5) for receiving tubes (6). The fins (2), which ...
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WO/2022/029375A1 |
The invention relates to a method for producing a brazing wire, which consists of: first of all, unwinding a solid metal or metal alloy wire (2) of circular or substantially circular cross-section; subjecting said wire (2) to a s...
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WO/2022/025389A1 |
The present invention relates to a seam forming apparatus for an elbow duct. The seam forming apparatus for an elbow duct according to the present invention, which forms a lock seam by bending flanges of a pair of adjacent unit members f...
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WO/2022/025272A1 |
[Problem] To improve formability in a smart mill capable of achieving desired forming by causing the position of a forming tool disposed in a stand of a pipe mill to be automatically moved to a predetermined position. [Solution] A drive-...
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WO/2022/008728A1 |
The invention relates to a method and a system for manufacturing a carcass (1) for a flexible pipe. The carcass is provided by shaping and folding at least one metal strip (2) to form interlocking windings resulting in a tubular carcass ...
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WO/2021/259135A1 |
A high-purity fine platinum wire preparation method. By means of casting, hot forging, and wire processing, obtaining a high-purity fine platinum wire that has high uniformity, high precision, and high stability. The high-purity fine pla...
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WO/2021/259139A1 |
The present invention relates to a micro-fine platinum wire for a nuclear-grade platinum resistance thermometer, and a preparation method therefor. High-cleanliness vacuum melting and bottom pouring casting processes are used, such that ...
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WO/2021/254885A1 |
A seam guide assembly (1) configured to maintain the longitudinal edges (101) of a metal strip (102), in position before welding the edges together in a welding section (201) of a welded tube roll forming apparatus (200), said seam guide...
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WO/2021/254882A1 |
An embossing roll (1) having a cylindrical surface (2) comprising a central portion (3) having an embossing pattern (10) and side portions (4a, 4b) arranged on each side of the central portion, which are free from embossing pattern, wher...
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WO/2021/254852A1 |
The present invention relates to a reliable high extrusion rate production method for recycle friendly aluminum soft alloy of the type 6060X, which besides Al,Mg and Si contains important amounts of Cu, Zn, Fe and Mn as alloying elements...
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WO/2021/254884A2 |
An apparatus and method for pre-forming a metal strip (40) for the manufacture of roll formed and welded tubes, comprising an embossing tool (20) and a strip edge chamfering tool (30) wherein the embossing tool comprises an embossing rol...
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WO/2021/250078A1 |
The invention relates to a large container, in particular a drinking-water container, food container, or container for pharmaceutical products, comprising a container base (1) and a circumferential container wall (2) which forms a receiv...
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WO/2021/248755A1 |
A novel nickel-chromium-cobalt-molybdenum high-temperature alloy seamless pipe for use in a power station, comprising the following components by weight percentage: C: 0.03-0.10％, Si≤1.0％, Mn≤0.70％, P≤0.012％, S≤0.008％, ...
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WO/2021/243683A1 |
The present invention relates to the technical field of the preparation of magnesium alloy metal materials. In particular, provided is a method for preparing a biomedical magnesium alloy wire material. A magnesium, zinc and neodymium all...
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WO/2021/240900A1 |
Provided are a steel pipe collapse strength prediction model generation method, a steel pipe collapse strength prediction method, a steel pipe manufacturing characteristics determination method, and a steel pipe manufacturing method that...
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WO/2021/217951A1 |
A lime wire drawing process for steel wires, the production process being as follows: step 1, wire coiling; step 2, pickling; step 3, coating with lime; step 4, heat treatment; step 5, pickling; step 6, phosphorus saponification; and ste...
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WO/2021/207032A1 |
Herein is provided a ferrous shape memory alloy (SMA) wire and processes for production of ferrous shape memory alloy wire that do not require cry st alio graphic texturing processes to achieve superior superelastic and SMA wire properti...
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WO/2021/206134A1 |
[Problem] To provide a method for manufacturing a metal tube from a metal plate by using a molding tool, in which an optimization task for a tool position is performed simply and accurately by reflecting the uniqueness of a material plat...
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WO/2021/200402A1 |
Provided are: an electroseamed steel pipe having high strength and excellent toughness and buckling resistance; and a method for manufacturing same. The electroseamed steel pipe has a base metal part and an electroseamed welded part, w...
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WO/2021/201348A1 |
A purpose of a reinforcement duct apparatus of the present invention is to enable selective manufacturing of a duct provided with or without a groove by using a single manufacturing apparatus, enable a plate to be supplied without being ...
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