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WO/2017/068028A1 |
The application relates to a method for producing a double-walled pipe (1) and a pipe (1) of this type, having an outer pipe (3) which is press-fitted with an inner pipe (2) consisting of a corrosion-resistant alloy, wherein an adhesive ...
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WO/2017/036610A1 |
The invention relates to a sealing head (K1, K1'), a device and a method for producing double-walled pipes, in particular bimetallic pipes, wherein each double-walled pipe is produced from an outer pipe (1) and an inner piper (2), wherei...
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WO/2017/036462A1 |
The invention relates to a method for producing a multi-layered composite pipe which comprises: a central metallic barrier layer for blocking penetration of gas; a medium-guiding inner layer; and an outer protective layer, in which: said...
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WO/2017/022663A1 |
A wound multi-ply tube (10) comprises: a tube body (12) formed by winding into a roll-shape a metal plate (13) configured to include a core material layer (18) formed using a metal material, and a brazing material layer (20) formed using...
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WO/2017/016728A1 |
The invention relates to line elements (600) consisting of a multi-layer inner element (IE) and an outer element (AE), wherein the inner element (IE) and the outer element (AE) are in contact with each other at points, at lines, over par...
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WO/2017/016646A1 |
The invention relates to a heat transfer tube (3), particularly a finned tube, for a heat reservoir (1), in particular for a molten-salt PCM, said tube comprising: a pressure tube (5) for conveying a fluid (4), a first connecting tube (1...
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WO/2017/017107A1 |
The invention relates to a high-alloy steel, in particular for producing pipes shaped by means of internal high pressure, having high cold formability, TRIP and/or TWIP properties, a partially or completely austenitic microstructure havi...
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WO/2017/008113A2 |
A pipe cutting system (40) and method for cutting a helically wound steel pipe while the pipe is being moved in a direction (12) of its longitudinal axis uses a plasma torch (50) supported to be reciprocally movable parallel to the longi...
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WO/2017/006499A1 |
The purpose of the present invention is to manufacture a round pipe with an opening diameter of several inches to several tens of inches in a small number of steps (number of processes, number of stands) while suppressing non-steady defo...
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WO/2017/002940A1 |
Provided is a duct for which a crimped portion does not easily detach even when increasing the thickness and/or the number of layers of a sheet material. This duct has a strip of sheet material 31 crimped on a core material 20 having a s...
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WO/2016/208599A1 |
Provided is a clad pipe or the like that is highly durable against long term usage and that has high adhesiveness among multiple layers without causing restriction in the combination of the material in each layer and the combination of t...
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WO/2016/198396A1 |
The invention relates to a method for manufacturing a high precision hollow metallic component, the method comprising: • obtaining, through extruding or roll forming, a precursor hollow metallic profile having a constant cross section ...
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WO/2016/192709A1 |
The invention relates to a method for producing bimetallic pipes, consisting of a thin-walled inner pipe made of a high-alloyed or alloyed steel, and an outer pipe made of a non-alloyed or unalloyed steel, which, after being inserted one...
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WO/2016/170062A1 |
The steel wire having a microstructure that is completely ferritic, a mixture of ferrite and cementite or a mixture of ferrite and perlite has a weight content of carbon C such that C < 0.05% and a weight content of chromium Cr such that...
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WO/2016/150194A1 |
A wide ultra-thin pure silver foil strip and a method for manufacturing same. The manufacturing method comprises: (1) smelting, (2) making pure silver liquid to be a melt, pulling the melt at the temperature of 700-960℃ to form a silve...
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WO/2016/151370A1 |
Method and apparatus for producing a curved tubular segment (10) comprising obtaining a curved external tubular element (11) and a curved internal tubular element (12) made of a material having a resistance to wear greater than that of t...
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WO/2016/146344A2 |
The invention relates to an apparatus and a method for producing coiled tube products, containing a coiling machine (3100) for coiling a strip to a coiled tube (WS) and a finishing machine (3200) for cutting off pieces of desired length ...
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WO/2016/143271A1 |
The objective of the present invention is to provide an electric resistance welded stainless clad steel pipe in which the welded parts have excellent characteristics, without carrying out an additional welding process after the electric ...
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WO/2016/143473A1 |
A device 1 for monitoring the manufacturing status of an electric resistance welded pipe, which monitors the manufacturing status of an electric resistance welded pipe manufactured by forming a strip-shaped steel strip into the shape of ...
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WO/2016/142162A1 |
The invention relates to a method and a coating device for applying a cladding layer on the inside of a carrier layer during the production of a multilayer heavy-duty pipe, said device comprising a pressure-exerting unit (22) having a fo...
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WO/2016/143743A1 |
This steel pipe of the present invention has a corrugated shape formed in an outer diameter through a tube expansion process, and is characterized in that a value of a/w is equal to or smaller than 0.038%, where a and w are respectively ...
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WO/2016/139931A1 |
Provided are: an electric resistance welded steel pipe having a recognizable seam, it being possible to recognize the seam from a color difference between a bead-milled section and other sections, the color difference arising during a co...
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WO/2016/131783A1 |
The invention relates to a tool (10) for welding a mounting bracket to a tube of a tank and comprising tube-grasping means (16, 18) that clear access to a surface on the tube intended to be welded, means for heating (22, 24) the surface,...
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WO/2016/126647A1 |
An armoring system (20) comprising at least first and second strips (42, 52), a forming roll (60) comprising first and second roll segments (71a, 71b, 72a, 72b) disposed adjacent to one another. Both the first and second strips (42, 52) ...
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WO/2016/116347A1 |
The invention relates to a method for producing a flat tube (1) comprising at least one web (2) which divides two chambers (3, 3'). It is essential to the invention that the at least one web (2), as a continuous strip material, is shaped...
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WO/2016/106525A1 |
A process for a film for aluminum tube drawing, and an application of said process, said process comprising the following steps: using an alkaline powder to degrease and to deburr, rinsing with water; desmutting, rinsing with water, then...
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WO/2016/103623A1 |
Provided is an electric resistance welded steel pipe that has high strength, high toughness, and excellent post-welding heat treatment resistance. A hot-rolled steel sheet comprising the following is used as a starting material: a compos...
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WO/2016/104718A1 |
The purpose of the present invention is to manufacture a round pipe the diameter of which is from a few inches to tens of inches, using a small number of stages (number of steps, number of stands), and while suppressing irregular deforma...
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WO/2016/103624A1 |
Provided is an electric resistance welded steel pipe that has high strength, high toughness, and excellent post-welding heat treatment resistance. A hot-rolled steel sheet comprising the following is used as a starting material: a compos...
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WO/2016/103038A1 |
A method of making mechanically-lined pipe comprises primary expansion by plastically expanding a liner sleeve within an outer pipe, under lining pressure applied internally to the liner sleeve. On relieving the lining pressure, elastic ...
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WO/2016/104706A1 |
A method for manufacturing a wide-mouthed metal pipe from a hollow element tube having along the circumferential direction multiple regions with different deformation resistance, said manufacturing method having: a first step wherein a r...
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WO/2016/094992A1 |
The present invention comprises a process for the manufacture, assembly and continuous construction, with progressive movement of tubular ducts made from steel or polymers in individual lines and/or in groups of ducts, to form duct bundl...
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WO/2016/094990A1 |
In example embodiments described herein, a device driver is employed to protect certain files. The device driver registers itself with an operating system and requests system notifications when a process attempts to delete, write data, o...
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WO/2016/099736A1 |
A method of tubing manufacture comprising forming a tube (10) having an internal artifact (13) projecting radially inward from a tube inner surface, retaining the tube in a fixture, broaching an end of the tube to remove a longitudinal p...
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WO/2016/084335A1 |
Provided is an electric resistance-welded steel pipe with excellent internal pressure leak resistance and toughness of the electric resistance-welded section. A hot-rolled steel sheet of a composition comprising, in mass%, C: 0.025-0.168...
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WO/2016/084361A1 |
A method for manufacturing a rifled tube (15) having a plurality of first helical ribs (12) on an inside face thereof and having an outside diameter of 34 mm or less is provided with: a step for preparing a steel pipe having a tensile st...
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WO/2016/078903A1 |
The present invention proposes a method for producing a composite material, wherein in a second method step two or more composite components are arranged relative to each other by a casting method in order to form a composite, in such a ...
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WO/2016/074673A1 |
In order to be able to manufacture in particular stents in a more economic fashion, the invention proposes a method for cutting through a metal fabric tube in a separation point, whereby the separation point on the metal fabric tube is s...
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WO/2016/072339A1 |
The present invention is a pipe which is constituted of a copper alloy and has a grooved inner surface and which is for use in heat exchangers, characterized in that the copper alloy contains 0.004-0.040 mass% P, with the remainder compr...
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WO/2016/068250A1 |
Provided is a hollow tubular filter with which it is possible to efficiently eliminate foreign matter, by forming complex flow paths that include the axial direction and the radial direction within the filter. This hollow tubular filter ...
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WO/2016/068748A1 |
The invention relates to the field of metallurgy, and more particularly to the manufacture of pipes with external spiral ribs for use in heat exchange apparatus. The invention solves the problem of developing a method for manufacturing s...
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WO/2016/053690A1 |
A filtering assembly is laid flat on an outer shroud. An inner drainage layer is set over the filtering assembly while laid flat such that the inner drainage layer overlaps the filtering assembly. The inner drainage layer is sealed and s...
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WO/2016/052644A1 |
This method of manufacturing a press-formed product includes: a first step for preparing a work-piece which is long in a first direction and which, when viewed as a cross-section vertical to the first direction, has a hollow cross-sectio...
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WO/2016/046804A1 |
A radiator element (1) in particular made of die-cast aluminium, has a substantially tubular metal body (3) made of and comprising at least one pair of transverse joint sleeves (6a, 6b) that extend on opposite sides of the body (3) and a...
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WO/2016/045803A1 |
The invention relates to a method for the production of hollow bodies made of high-temperature resistant steel by welding prefabricated, bent sheets or shell-like molded parts, which complement each other to form the hollow body to be pr...
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WO/2016/041251A1 |
Provided is a device for removing liquid from the surface of a steel wire, comprising a tube body (20), and a liquid removal stopper (10) vertically penetrating said tube body (20); a gas flow path is formed along the axial direction of ...
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WO/2016/041252A1 |
Provided is a device for removing liquid from the surface of a steel wire, comprising a tube body (20) and a liquid removal stopper (10); the tube body (20) is in communication with a high-pressure air pump; the liquid removal stopper (1...
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WO/2016/041290A1 |
A spiral steel pipe having a reinforcing ring and method for manufacture thereof. The present spiral steel pipe comprises a spiral pipe body (2) spirally rolled from a main skelp coil (1); a spiral seam (3) is formed between the pipe bod...
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WO/2016/038180A1 |
The invention relates to a device for producing a spring wire (2) comprising: a wire production apparatus (8), which is designed in such a way that a spring wire (10) can be produced from a raw material, in particular by drawing; a check...
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WO/2016/030425A1 |
The invention relates to a method for producing a tubular member (1) from a metal sheet (2), wherein associated joining sections (9) are joined to each other. In order to make the production of the tubular member (1) simple, stable and i...
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