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WO/2011/120062A1 |
The invention relates to a method for producing wheel axles, in particular for railway carriages, having a hollow axle body (1), which with respect to thickened bearing seats (2) forms shouldered axle stubs (3) for receiving the wheel an...
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WO/2011/118403A1 |
Provided is a method of manufacturing a superconducting high-frequency acceleration cavity component, wherein a niobium thin film (11) is wound around an aluminum shaft (1), the aluminum shaft (1) is inserted into an aluminum capsule (4)...
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WO/2011/118560A1 |
Disclosed is an operation management device that manages an electric resistance welding operation in which a strip-shaped metal plate is formed into a tube in a manner such that both ends thereof gradually become mutually facing while th...
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WO/2011/118681A1 |
Disclosed is steel pipe production equipment that has excellent steel pipe production efficiency and can carefully manage the traceability of the steel pipes. The steel pipe (P) production equipment (100) is equipped with a pipe producti...
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WO/2011/118841A1 |
The disclosed high-strength electrical-resistance-welded steel pipe is suitable for use as an automobile shock-absorbing member. Said steel pipe contains, by mass, between 0.05% and 0.20% carbon, between 0.5% and 2.0% silicon, between 1....
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WO/2011/118783A1 |
Disclosed is a method for manufacturing a UOE steel pipe which determines whether the shapes of the bevels formed at the edge portions of the base steel plate of the UOE steel pipe by an edge planer are normal or not and speedily outputs...
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WO/2011/110195A1 |
The invention relates to a method for producing a multi-layer pipe (5) with the aid of a forming line, wherein individual material layers (1, 2) to be combined to form the multi-layer pipe (5) are accepted as strips and laid one on top o...
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WO/2011/108977A1 |
The present invention relates to a method of manufacturing a duplex stainless steel wire product starting from wire rod, the method comprising the following steps: roughening the wire rod surface; applying a carrier coating on the wire r...
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WO/2011/107946A1 |
A tubular element extending along a central axis, which element comprises at least one locally deformed part, is formed by means of a hydroforming process. A tube is positioned in a die comprising at least two die parts. Subsequently a h...
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WO/2011/104189A1 |
The invention relates to a method for impact-extruding workpieces (2) having a bore (3) extending therethrough in a longitudinal direction (Z) thereof, wherein the workpiece (2) is accommodated in a die (4) comprising at least one transv...
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WO/2011/098377A1 |
The invention relates to a method and corresponding device for continuously welding strips or sheets (3, 4) guided by abutment at the abutting edges thereof, having at least two welding heads (19, 25), in particular laser welding heads, ...
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WO/2011/096592A1 |
Provided is a novel high-nitrogen stainless-steel pipe which is not obtained with any conventional technique, the stainless-steel pipe having high strength, high ductility, and excellent corrosion and heat resistance and being obtained t...
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WO/2011/096510A1 |
Provided is a high-strength welded steel pipe obtained by butt welding a steel sheet formed into the shape of a pipe. The base metal portion of the steel sheet comprises, by mass%, C: 0.010% - 0.080%, Si: 0.01% - 0.50%, Mn: 0.50% - 2.00%...
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WO/2011/089930A1 |
Disclosed are: a method for producing a copper clad laminate that has both excellent flexibility and excellent productivity; a copper foil that is used in the method for producing a copper clad laminate; and a laminating apparatus for a ...
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WO/2011/083925A2 |
The present invention relates to a method and apparatus for manufacturing a corrugated steel pipe, in which a spiral corrugation is formed on the body of the pipe, and the inner surface of the body of the pipe is smooth without any curva...
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WO/2011/080837A1 |
Disclosed is a turks head stand that, in a state in which a four-way correcting roll has been mounted in a prescribed position, further adjusts the position of the entire four-way roll in the vertical and horizontal direction, wherein a ...
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WO/2011/077110A1 |
A method of manufacturing a mechanically lined pipe (MLP) having an outer pipe and an inner liner comprising at least the steps of: (a) forming the outer pipe as a single length; (b) forming an inner liner former being wholly or substant...
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WO/2011/076402A1 |
The invention relates to a pipe having a relatively high wall thickness and relatively large diameter, comprising a wall composed of at least two layers made of at least one first and one second metal sheet (1, 2), which are adhesively b...
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WO/2011/073589A2 |
The method of manufacturing tubes (1) for a heat exchanger comprises the following steps of separately creating a base body (10) and an intermediate wrapper (20) of a diameter greater than that of the base body (10), of introducing the b...
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WO/2011/070201A1 |
The invention relates to equipment and a method for the automated production of tubular structures of any size and in the shape of a polygon with any number of sides, said equipment containing: a central shaft (1) in the form of tube wit...
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WO/2011/068354A2 |
The present invention relates to an apparatus for manufacturing a spiral duct, which can easily manufacture a spiral duct in which linear connection portions are formed integrally with both ends of a bent pipe, and which comprises a cutt...
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WO/2011/065582A1 |
A thick-walled steel pipe for linepipes which has high compressive strength and has sour resistance is provided by optimizing the metallographic structure of a steel plate without requiring special forming conditions for steel pipe forma...
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WO/2011/065579A1 |
A thick-walled steel pipe for linepipes that has high compressive strength is provided in which the decrease in yield stress caused by the Bauschinger effect is inhibited by optimizing the metallographic structure of a steel plate withou...
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WO/2011/065578A1 |
A thick-walled steel pipe for linepipes is provided in which the decrease in yield stress caused by the Bauschinger effect is inhibited by optimizing the metallographic structure of a steel plate and in which the base metal and the weld ...
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WO/2011/050764A1 |
The invention relates to a method for producing welded helical-seam tubes (10) having optimized tube geometry. A metal strip (1) is helically shaped into an open seam tube by means of a forming unit (11) and the converging strip edges ar...
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WO/2011/051496A1 |
The invention relates to a method for producing a, for example, cylindrical, conical, arcuate or helical hollow body from steel, having a mass of more than 100 t, - wherein a plurality of planar or curved sheet metal strips (2) are cut f...
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WO/2011/051263A1 |
An apparatus (10) for manufacturing a multilayer tube for the hydraulic connection and wiring of solar panels, comprising - means (11) for covering at least one flexible tube (12) with at least one tape (14) of thermally insulating mater...
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WO/2011/048274A1 |
The object of the invention is a method for producing a high- strength galvanized steel product, the composition of which in percentages by weight comprises C: 0.04-0.10% Si: ≤0.03% Mn: 0.3-1.2% Nb: 0.015-0.10% N: ≤0.01% P: ≤0.02% ...
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WO/2011/042936A1 |
A steel pipe produced by cold-forming a steel plate and then subjecting the formed plate to seam-welding, wherein (i) the steel plate contains carbon, manganese, niobium, and titanium, has a weld crack susceptibility composition (Pcm) of...
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WO/2011/036908A1 |
Disclosed is a steel pipe-concrete composite pile, in which the inside of a steel pipe is lined with a concrete or a concrete is filled in the inside of a steel pipe. In the steel pipe-concrete composite pile, the relationship represente...
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WO/2011/034087A1 |
A welding device for manufacturing an electric resistance welded tube is provided with: an impeder (7) which is, when viewed in the travel direction of a metallic band plate (1), disposed so as to be located within the metallic band plat...
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WO/2011/034119A1 |
A welding device for manufacturing an electric resistance welded tube is configured in such a manner that, after a metal band plate which is traveling is bent by rollers into a cylindrical shape so that both ends of the metal band plate ...
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WO/2011/024290A1 |
Disclosed are a system capable of adjusting a dipping time easily in a continuous steel pipe manufacturing line, and a manufacturing method. The steel pipe manufacturing system manufactures a steel pipe which has been plated on the inne...
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WO/2011/022747A1 |
The invention relates to a device for processing elongate workpieces without cutting in order to produce a thread-like outer profile by means of at least one shaping roller arrangement (9, 10, 11) having shaping rollers (12, 13, 14), whi...
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WO/2011/026105A1 |
The present invention relates to an axle spindle for a tire inflation system. The axle spindle may be formed with a wall having one or more apertures adapted for mounting one or more component of an automatic tire inflation system or hig...
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WO/2011/017752A1 |
This invention relates to a method of forming seamless titanium and/or titanium alloy pipe. The invention also relates to a pipe formed by the method and a substrate on which the pipe is formed. The method involves providing a substrate ...
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WO/2011/012766A1 |
The invention relates to a method for producing a gun barrel, in which the barrel is formed from a pipe blank (1) in which barrel rifles (2) are formed against a mandrel (3) having grooves (2b) shaped as the rifles.
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WO/2011/013445A1 |
Provided are a bead wire manufacturing method and manufacturing apparatus, in which a wire rod which has been raised to a high temperature by drawing a wire is subject to bluing without cooling the wire rod, whereby the temperature of th...
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WO/2011/007083A1 |
The invention relates to a method and a facility for manufacturing rigid tubular pipes having a double casing for hydrocarbon transport. The pipes include an inner rigid tube (42, 242, 342, 442) that is inserted into an outer rigid tube ...
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WO/2010/145680A1 |
Method for producing a multilayered tube (5) with the aid of a sheet-metal forming machine, in which individual layers of material (1, 2) that are to be combined to form the multilayered tube (5) are laid one on top of the other, wherein...
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WO/2010/145630A1 |
The invention relates to a method and a device for performing the method, comprising an expander tool, which can be inserted into a pipe and which comprises a tool head that is arranged on a pull rod and has segments which can be spread ...
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WO/2010/142728A1 |
The invention relates to a method for producing a microneedle (12) that can be inserted into body tissue, wherein a needle tip (20) and a preferably capillary collecting channel (14) having a distal inlet for bodily fluid at the needle t...
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WO/2010/120052A1 |
The present invention relates to an angular pipe such as a triangular pipe, a tetragonal pipe or the like, having a plurality of reinforcement grooves formed in the lengthwise direction, and to a method for manufacturing the angular pipe...
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WO/2010/115413A1 |
The invention relates to a method for connecting the ends of steel tubes by means of orbital welding using a hybrid laser arc technique, said tubes preferably having wall thicknesses ≥ 6 mm and more particularly ≥ 12 mm and diameters...
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WO/2010/117920A1 |
Tubular bodies (106, 108) for use in frames for seats of vehicles such as aircraft are described. A tube (302) can include a sidewall that has a variable thickness along the length of the tube. The variable thickness of the sidewalls can...
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WO/2010/117560A1 |
A filar includes an inner conductive core that is formed of a low-resistivity material such as silver having a resistivity of less than 20μΩ per centimeter. A conductive coil is provided around the core to form a filar. This coil is fo...
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WO/2010/111794A1 |
In order to produce a conical pipe (2) made of metal, in particular steel, a rounded blank is welded in a continuous operation by laser (6). For this, pressure application means (14, 24, 34, 40, 41) are provided, which close the gap (5) ...
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WO2010110490A1 |
Disclosed is an electric resistance welded steel pipe having excellent workability and excellent post-quenching fatigue properties, which can be worked into a complex shape without requiring a spheroidizing treatment and can be imparted ...
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WO/2010/104165A1 |
Provided are a thick steel sheet and a UOE steel pipe, which have high strength of X60 grade or greater and excellent HIC-resistance characteristics and have a chemical composition by mass% of C: 0,02 to 0,07%, Si : 0,05 to 0,50%, Mn : 1...
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WO/2010/103559A1 |
An initial hollow chain formed of braided wires (x) is polished, then compacted (Fig 3-7) and transformed around a metal core (y), after which the metal core is removed without the use of chemical processes (Fig 8). This allows the produ...
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