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WO/2021/004082A1 |
A stainless steel coated steel wire composite wire, comprising: (1) according to the requirements of a wire rod to be produced, selecting core material carbon steel and a stainless steel pipe that have an appropriate size, wherein the ra...
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WO/2020/257904A1 |
The present invention discloses a solution to the problem of manufacturing vehicle axles with reduced diameters and greater thicknesses, such that the solution of the present invention describes means for manufacturing a cylinder from sh...
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WO/2020/261517A1 |
Provided are a round bar steel conditioning facility and conditioning method in which the layout of a round bar steel conveying line, from a charging bed to a discharging bed, is devised to enable the overall size to be made more compact...
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WO/2020/255264A1 |
This facility for manufacturing an electroseamed metal tube is provided with: a pair of crushing rolls 41 which are disposed on either side of a metal band 1, and which are pressed against inner surface side corner portions of the metal ...
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WO/2020/247994A1 |
The invention relates to a device for the post-processing of pipe weld seams of longitudinally or spirally welded pipes (3), having a chip-removing tool (1) arranged on a tool slide (2) for removing a weld seam bead (12) projecting from ...
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WO/2020/249677A1 |
Double-walled tube section for constructing a double-walled tube segment suitable for underpressure applications such as an evacuated tube transport system.
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WO/2020/237945A1 |
Disclosed are a multi-element alloy wire for use in a spark plug and a manufacturing method therefor. The multi-element alloy wire consists of Al, Si, B, Y, Nb, balance Ni, and inevitable impurities. The method comprises: first, using a ...
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WO/2020/228878A1 |
The invention relates to a cylindrical container (10), in particular a silo, for storing solids and/or liquids and/or gases and/or bulk materials or similar, produced from a helically bent, continuously overlapping sheet metal strip (20)...
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WO/2020/217725A1 |
Provided is a rolling-straightening machine with which outer-diameter reduction rolling and straightening-rolling of a pipe material or bar material can be carried out rapidly and precisely.　This rolling-straightening machine 1 is equi...
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WO/2020/209319A1 |
Provided is a blank characterized by being a steel material and comprising at least two protruding regions (313) respectively having softened parts (320) formed thereon, wherein: an outer edge (311) includes the at least two protruding r...
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WO/2020/208196A1 |
There is disclosed a method of manufacturing a tube for a heat exchanger. The method comprises extracting a web of material from a spool. A portion of the web is weakened along a separation line. The separation line divides the web into ...
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WO/2020/209489A1 |
The present invention pertains to: an ultra-high strength aluminum cladding steel wire for overhead transmission lines; and a method for manufacturing same. The aluminum cladding steel wire is characterized by comprising: a steel wire co...
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WO/2020/209530A1 |
A spiral elbow pipe curling device comprises: a base body; a spiral elbow pipe rotating unit installed on the base body so as to fix a spiral elbow pipe perpendicularly to the ground and to rotate the spiral elbow pipe; a spiral elbow pi...
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WO/2020/203899A1 |
A method for manufacturing a member according to one aspect of the present invention is a member manufacturing method for manufacturing a member provided with a specific three dimensionally shaped portion, the method including a U moldin...
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WO/2020/201033A1 |
The invention concerns a method for manufacturing a structural surface heat exchanger of preset or left-hand final shape (10) for an aircraft, comprising the steps of forming (E1), shaping (E2; E3) and assembling (E4), by welding or braz...
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WO/2020/205141A1 |
A tube shaping tool (100) for a torque mechanism (50) to modify a tube end. The tube shaping tool includes an internal assembly (300). The internal tube assembly includes a stem (315) and an internal body (310). The stem can be received ...
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WO/2020/196646A1 |
In this method for manufacturing a welded pipe by bending a stainless steel strip having a thickness of 0.15 mm or more and 0.45 mm or less while conveying the stainless steel strip in one direction, to form a pipe, and welding abutting ...
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WO/2020/154785A3 |
Invention patent: The present invention comprises a tube and a small tube that are disposable, recyclable, and made of aluminium, starting from a coil shape rotating in a spiral, at high speed, continuously, by means of cutting only. The...
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WO/2020/189763A1 |
Provided is a hollow shaft comprising: a cylindrical body part (6); and a tip throttle part (7) coaxially integrated to one end of the body part (6) and made to have a smaller diameter than the body part (6) by throttle processing, where...
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WO/2020/189140A1 |
The objective of the present invention is to provide a method for manufacturing a seamless square steel tube with which it is possible to obtain a seamless square steel tube having a corner portion S value equivalent to those in the past...
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WO/2020/182650A1 |
The present invention relates to a method for producing a component (7) of a temperature control circuit (1), in particular a heat exchanger (5) of a temperature control circuit (11), wherein an inner side (12) of the component (7) is in...
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WO/2020/177791A1 |
A method for producing a cylindrical container (10), in particular a silo, in which a sheet strip (20) is drawn off from a coiler (18), is bent in a helical manner and is profiled in the upper and/or lower edge regions, and subsequently ...
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WO/2020/170774A1 |
Provided are a rectangular steel tube and a method for manufacturing same, and a building structure employing said rectangular steel tube. The present invention provides a rectangular steel tube which has flat plate portions and corner p...
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WO/2020/169411A1 |
This invention relates to a tube section for constructing a tube suitable for underpressure applications with an incircle having a diameter of at least 2 m and to an evacuated tube transport system tube produced therefrom.
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WO/2020/169342A1 |
The invention relates to a method for producing a structural component by way of hydroforming. The invention further relates to a structural component produced in this way and to a use of the structural component produced in this way.
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WO/2020/170775A1 |
Provided are: a square steel pipe; a method for manufacturing same; and a building structure using the square steel pipe. The present invention pertains to a square steel pipe having flat plate portions and corner portions, and having a ...
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WO/2020/165082A1 |
The invention relates to a method and an apparatus for axially shaping a tube (200) with the aid of a mandrel (110), which is guided in the tube (200), and an annular die (120), which is guided on the outside of the tube (200). For shapi...
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WO/2020/163430A1 |
A conductive electrode wire for use in an electric discharge machine (EDM) is provided, comprising a core wire comprised of one single metal or an alloy of multiple metals with a coating deposited by the electro-plasma process, wherein s...
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WO/2020/161096A1 |
A tube (1) is disclosed comprising an inlet portion (17), an outlet portion (19), and a curved tube portion (7) between the inlet and outlet portions (17, 19). A vertical cross-section (cr7) of the curved tube portion (7) comprises two s...
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WO/2020/156783A1 |
The invention relates to a tube (2) having a helical seam, comprising at least one cylindrical tube portion which consists of a single-piece metal strip (n+x) that is bent in the manner of a helical line, is welded at a continuous helica...
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WO/2020/155316A1 |
Provided in the present invention are a zinc-based alloy sheet material for use in construction and a preparation method therefor, the zinc-based alloy sheet material comprising the following components and weight percentages: Mn: 0.5-1....
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WO/2020/157226A1 |
The invention relates to a method for producing a rod-shaped element. The aim of the invention is to provide a method by means of which a rod-shaped element can be produced which overcomes at least one of the disadvantages of the rod-sha...
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WO/2020/150710A1 |
A process for winding a convolutely wound tubular structure having a machine direction, a cross-machine direction coplanar thereto, and a Z-direction orthogonal to both the machine- and cross-machine directions is disclosed.
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WO/2020/150720A1 |
An elongate tubular structure is disclosed. The elongate tubular structure has a first and second tubular structure wherein a first end of the first tubular structure is matingly and fasteningly engaged to a first end of the second tubul...
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WO/2020/150722A1 |
A helically wound tubular structure is disclosed. The tubular structure has a first sheet metal helically wound about a longitudinal axis, a second sheet metal having voids disposed therein helically wound about the longitudinal axis and...
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WO/2020/122820A1 |
A heating system for use in the manufacture of copper coated double-layer steel tubes having a casing (10) in which the roll-wrapped tube is heated to a predefined temperature value. The heating system comprises a sensor (17) configured ...
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WO/2020/114705A1 |
The invention relates to a method for cutting a workpiece (30), in particular a profiled hollow-chamber workpiece, comprising a wall (52) and at least one workpiece inner section (54) lying within the wall (52), in particular a separatin...
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WO/2020/113608A1 |
Provided are a reinforced steel wire for a rubber hose, and a production process thereof, comprising the steps: wire rod preprocessing; pressure-die rough drawing on a direct-feed wire drawing machine; cyanide-free electroplating of copp...
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WO/2020/116682A1 |
The present invention relates to a method of manufacturing an ultra-high-strength specials tube, capable of easily absorbing shock, for an automobile reinforcement material, the method comprising: a hollow steel tube preparation step of ...
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WO/2020/111246A1 |
The present invention provides a defect grinding method for round steel by which a defect portion of round steel can be automatically ground without causing such error grinding that a position of the defect portion and a grinding positio...
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WO/2020/099809A1 |
The invention relates to a tube (20) for a heat exchanger (10) of a motor vehicle, the tube (20) comprising a wall (21) folded on itself. The tube (20) comprises at least one first support leg (51) located at a middle part (43) and comin...
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WO/2020/100603A1 |
A high-carbon steel pipe (1) with which it is possible to shorten the annealing time of a weld (3) is realized. The steel pipe (1) is formed by welding the edges of a steel plate or steel strip (2) containing 0.4-1.5 mass% of C, 0.03 mas...
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WO/2020/095178A1 |
A method is provided for making a fiber wire having a fiber bundle core (504) and a polymer jacket (506). The method includes rotating a spool of fiber bundle about a first rotational axis to progressively unwind the fiber bundle from th...
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WO/2020/071002A1 |
A method for manufacturing plated wire rod, having: a step for preparing a plated wire rod precursor having a drawn wire-shaped base material and a plating coating provided on the surface of the base material, the base material in the st...
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WO/2020/067064A1 |
The present invention provides a long steel pipe for a reel method and a manufacturing method for same, wherein the long steel pipe is composed of electroseamed steel pipes and has excellent buckling resistance. The long steel pipe is ob...
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WO/2020/065551A1 |
The present invention and its embodiments propose a simple, unique, and scalable method for producing extremely long, highly uniform, and well-ordered micro- and nanoscale metallic glasses via thermal drawing the method comprising at lea...
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WO/2020/058038A1 |
The invention relates to a longitudinal beam (1) for a road vehicle, comprising: a plurality of interior elements (2-6), which, in the cross-section of the longitudinal beam (1), run in a first direction (Y) and are arranged at an offset...
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WO/2020/057951A1 |
The invention relates to a method and a laser tube cutting machine for cutting tubes (2) having a workpiece moving device (7), which receives and moves the tube (2) relative to a pushing device (10) supporting the tube (2), said pushing ...
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WO/2020/059969A1 |
The present invention relates to an embossed stainless pipe manufacturing apparatus which in general allows forming of an embossed stainless plate so as to enable efficient welding of the embossed stainless plate, selecting of a welding ...
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WO/2020/057916A1 |
In order to provide an economical method for producing a weapon barrel, in which a considerable plasticisation of the barrel inner wall and thus of the twist profile is avoided when armour-piercing ammunition is shot, in particular in th...
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