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WO/2009/087415A1 |
The present invention provides a strip (10) and a tubular article (74) formed form said strip (10) which may, for example, be used in the oil and gas industry for transporting fluids which may be volatile fluids or corrosive fluids and w...
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WO/2009/083250A1 |
The present invention relates to a method for manufacturing a preferably thin element from magnesium material, wherein the manufactured element preferably has a diameter of 0.5 mm or less. The element is composed of at least several indi...
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WO/2009/080348A1 |
A method of manufacturing a member (9, 10) of a wheelchair frame includes providing a tubular member (29). The tubular member (29) is bent into a desired shape. A cross-sectional shape of at least a section of the tubular member (30) is ...
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WO/2009/080870A1 |
The invention relates to a method for manufacturing a metal belt (102) used in a paper/board or finishing machine. In the method, the metal belt is formed by placing metal belt blanks (10a; 10b; 10c) in an amount necessitated by a belt o...
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WO/2009/075525A2 |
A field-assemblable apparatus for manufacturing spiral steel pipes includes one or more steel pipe carrying unit having a connection structure, a first steel pipe support having a first header and movable along the steel pipe carrying un...
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WO/2009/075596A2 |
The method of the invention consists in that for the manufacture of finned (3) tubes (1) a fibre laser is used. A flat bar is taken and is bent by mechanical means to form a U section, an L-section or an I section, which is then wound on...
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WO/2009/069614A1 |
This aims to provide a multiplex-wound steel pipe which can be sufficiently supplied in its manufacturing procedure with copper needed when brazed, which has its surface freed from any re-solidification of copper, and which has a satisfa...
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WO/2009/068979A1 |
A heat transfer tube (101) for a heat exchanger. The wall (120) of the heat transfer tube comprising at least one axially extending wing-shaped protrusion (104, 105) to provide the tube with additional heat transfer surface area. The win...
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WO/2009/061566A1 |
An ultra low permeability fluid member for conveying a fluid (e.g., a hose, tube, etc.) having a metal vapor barrier layer (22) formed around an inner tube (14). The metal vapor layer (22) is formed from one or more metal strips (40a, 40...
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WO/2009/049397A1 |
A heat pipe having an enclosed chamber with a hot side and a cold side and an inorganic porous structure between the hot side and the cold side. The inorganic porous structure transports working liquid by capillary action from the cold s...
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WO/2009/050270A1 |
The invention relates to a process for producing a hollow body from metal, said hollow body having at least one first axial portion with a first cross-sectional area and a second axial portion with a second cross-sectional area, and in w...
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WO/2009/050559A1 |
An apparatus for reducing a weld bead (2) of a welded tube (3) comprises abutting means (38) that is insertable into said tube (3) for abutting on an internal wall (41) of said tube (3), supporting carriage means (4) for supporting said ...
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WO/2009/043530A2 |
The invention relates to a method for producing pipe-in-pipe systems (1) consisting of an outer pipe (2) and an inner pipe (3), where at least one inner pipe (3) and one outer pipe (2) are mechanically connected to each other by applying...
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WO/2009/033316A1 |
A guiding and scraping edge device for copper strip comprises: a guiding machine including two guiding wheels(18) disposed abreast in a cabinet(21) by roller shaft(20) respectively, and a scraping edge machine set between upper cover boa...
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WO/2009/033314A1 |
A stable welding seam device includes a base bracket (7), shaping patterns (2), a guide piece bracket (5), and a guide piece (3). The shaping patterns (2) are positioned on two ends of the base bracket (7). The guide piece bracket (5) is...
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WO/2009/033319A1 |
A tube cladding welding machine, especially a roller group for forming wrapped tube, comprises multiple stages of upper and lower roller pairs mounted respectively on output axles of upper and lower rollers of the cladding welding machin...
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WO/2009/035425A1 |
The invention is the production process for the metal tube (1) with at least two walls, wherein the copper is coated onto the steel sheet layer (1.1) by means of the electrolysis method, two wall tube (1) is obtained from the obtained sh...
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WO/2009/034155A1 |
The invention concerns a mobile unit for the construction of an elongated tubular body comprising an elongated, tubular inner hollow core, an elongated, tubular inner casing and an elongated, tubular outer casing, the inner casing surrou...
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WO/2009/027789A2 |
The invention relates to a tool and also to a process for producing a hollow part. According to the invention, the tool has a first die (2a, 2b) which is assigned a second adjustable die (3) which, in turn, is subdivided into a plurality...
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WO/2009/023973A1 |
The invention relates to an apparatus (21) for shaping a tube, in particular a cylindrically and/or conically shaped tube, from a metal sheet (27), having a punch (22) and a die (23), wherein a counterstay (28) is provided in the die (23...
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WO/2009/021838A2 |
The invention relates to a method for producing partially reinforced hollow profiles made of a metal, particularly steel, or a steel alloy. The aim of proposing a simple and cost-effective method for producing partially reinforced hollow...
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WO/2009/018721A1 |
Method and equipment for manufacturing steel-plastic composite pipe involve the steel-plastic composite pipe is heated using steam as heating medium. Said equipment involves multifunctional composite workroom, multifunctional pipe transf...
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WO/2009/013557A1 |
Process and plant for producing a welding wire, by the sequential steps of : a) subjecting a wire rod or a wire to at least one rough-rolling step, in a first rolling unit (2),• b) subjecting the wire rod exiting from said first rollin...
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WO/2009/010259A1 |
At least one planar substrate plate (24, 24', 24') and a winding body (12) are provided for the production of a hollow body made of a porous, gas permeable substrate. The substrate plate (24, 24', 24') is wound onto the winding body (12)...
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WO/2009/003325A1 |
A producing process for a spiral composite steel pipe comprises steps as follows, (1) selecting a strip coil according to the diameter of the composite pipe (S1), (2) unwinding (S2), (3) leveling (S3), (4) edge milling (S4), (5) pipe for...
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WO/2009/003498A1 |
The present invention relates to a device and a method for the axial forming of an elongated hollow body, the device (1) being characterized in that it has at least one receptacle (3), a reducing die (4), a punch (5) for pressing the elo...
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WO/2009/003593A2 |
In order to make textile products (32) counterfeit-proof, a composite fiber is disclosed which comprises a core (2) extending at least along part of the fiber length and a shell (3) surrounding the core (2). The shell is made of a plasti...
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WO/2009/003326A1 |
A process for continuous welding a composite pipe with outer stainless cladding layer comprises steps as follows, (1) determining width dimension of a metal strip coil based on the pipe diameter of the composite pipe (S1), (2) unwinding ...
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WO/2008/142370A2 |
A method of forming a component having a plurality of walls comprises placing a blank (26) opposite a forming surface (14) of a die (10). The blank (26) comprises an outer wall (30) and an inner wall (28) in mutual contact between an inn...
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WO/2008/144023A1 |
Devices, systems, and methods for monitoring the condition of components, such as components of airframes, and in particular devices, methods, and systems for detecting faults and warning of faults in components using transmission mechan...
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WO/2008/141715A2 |
The invention relates to a heat exchange core, for example for cooling fluid coolers or charge air coolers, comprising flat tubes (1) have two narrow and two wide sides (10, 20) and having inner channels (30) and intermediate spaces (3) ...
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WO/2008/139222A1 |
The invention relates to the manufacture of tanks from one or more metal plates using a friction stir welding process. The metal plate or plates is first formed into a tubular shape (4) with one pair of opposite edges (2, 3) facing one a...
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WO/2008/135415A2 |
The invention relates to a device (1) for producing profiles from a metal sheet (2), comprising at least one work station with a base plate (3) and two die halves (4, 5), wherein the die halves (4, 5) and the base plate (3) extend in the...
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WO/2008/135406A1 |
Process for the manufacture of an elongated, multilayered tubular body (1) comprising an elongated, tubular inner hollow core (5), optionally an elongated, tubular inner casing (4) and an elongated, tubular outer casing, the inner casing...
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WO/2008/132766A1 |
A device for final calibration of tapered tubular shafts (2), wherein a number of pressure rollers (29) are fitted to an annular support (23) radially with respect to an axis (24) of the annular support (23), are arranged about the axis ...
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WO/2008/132767A1 |
A method and system for longitudinally welding a tapered tubular shaft (2) having an open longitudinal join line (4) defined by two facing longitudinal edges (4a, 4b), whereby the shaft (2) is fed gradually, in a feed direction (6) paral...
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WO/2008/128634A1 |
The invention relates to a hollow profile (1, 28, 45) having a reinforcing element penetrating the hollow space (2, 30) thereof, and to a method for producing the hollow profile (1, 28, 45). In order to allow a reinforcement if the hollo...
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WO/2008/127168A1 |
A safety pole which is yieldable has been roll formed to a polygonal cross-section and has only one longitudinal joint (11). Alternatively, two halves can be roll formed separately and welded together to a pole. A few or all polygon side...
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WO/2008/123363A1 |
Provided is a cold-finished seamless steel pipe for an integrally molded drive shaft, which is obtained by cold-extracting a material pipe hot-rolled by the Mannesmann piercing method. In order to retain the maximum inner face wrinkle de...
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WO/2008/123329A1 |
A high-strength steel pipe of 800 MPa or greater tensile strength, having a weld metal excelling in low-temperature cracking resistance and low-temperature toughness. The high-strength welded steel pipe has the following features. The te...
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WO/2008/119840A1 |
The invention relates to a method for configuring a high-pressure channel arrangement (10) in a body (12), comprising the steps of providing the body (12) comprising a first fluid channel (14) and a second fluid channel (16), wherein the...
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WO/2008/116469A1 |
The invention relates to a method of providing a duplex stainless steel strip for an armouring layer of a flexible pipe, said method comprising - providing at least two duplex stainless steel pieces each having an end-face, - welding sai...
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WO/2008/116323A1 |
In a method for slotting a pipe, a sacrificial liner is inserted into the pipe and radially expanded into contact against the inner pipe wall surface, whereupon rotating blades are plunged through the pipe wall and partially into the sac...
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WO/2008/108450A1 |
A method for producing a steel conduit tube in which welding defect resulting from oxides can be reduced stably by plasma irradiation and plasma jet sound can be reduced. When a steel plate (1) is shaped into a tube and its abutting end ...
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WO/2008/106911A1 |
The invention relates to a method for the production of a high-pressure accumulator pipe as a composite pipe made of steel for pressures up 1800 bar and above and having high static stability and endurance strength for fuel injection sys...
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WO/2008/105749A1 |
The invention relates to a method for combining the different minerals used for the jewels comprising the process steps of thinning and fixing to each other the bottom and the top layers (1, 3), thinning by means of extruding from the cy...
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WO/2008/105216A1 |
An electric resistance welded steel pipe prior to heat treatment that even when subjected to rapid heating/quenching treatment like that for a hollow stabilizer or the like, realizes formation of members excelling in durability; and a pr...
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WO/2008/099943A1 |
A method for stably manufacturing a seam-welded steel pipe whose welded portion has a desired good tenacity even if the dimensions of the steel band used as a base metal vary. Groove shapes (5a, 5b) are given to the edges (4a, 4b) of an ...
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WO/2008/092563A1 |
The invention relates to a method for producing flat tubes from at least one strip of a continuous web material (Bb) comprising at least one wall part (a) and an undulating inner part (c), on a rolling mill that is equipped with roller p...
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WO/2008/077163A1 |
The invention relates to a moulded part which is hollow at least in sections and comprises a wall (3), in its hollow region, which at least partially surrounds the cavity (49) of the moulded part and comprises a moulded element (6, 40, 4...
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