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WO/2008/076967A1 |
A wire (2) for use as a feedstock in metal spraying and in welding contains two components (4, 6) formed from different metals, with the components being in face-to-face contact along a convoluted interface (8) that extends throughout th...
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WO/2008/073473A1 |
An apparatus and method are provided for extruding a micro-channel tube (402) from a non-aluminum metal or alloy such as copper. The micro-channel tube is formed by simultaneously extruding two rectangular shaped billets (404; 406) to fo...
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WO/2008/069289A1 |
A weld steel pipe for high-strength line pipes which is inexpensive and has excellent low-temperature toughness; and a process for producing the pipe. A base steel plate which contains, in terms of mass%, 0.010-0.050% carbon, 0.01-0.50% ...
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WO/2008/069335A1 |
A weld steel pipe for high-strength thick-walled line pipes which has excellent low-temperature toughness; and a process for producing the pipe. A base steel plate which contains 0.010-0.050% carbon, 0.01-0.50% silicon, 0.50-2.00% mangan...
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WO/2008/048808A2 |
A method for forming a high flow insufflation needle stylet having distal, intermediate and proximal sections includes providing a flat sheet of metal and forming pilot holes in the sheet proximate opposed edges of the sheet A profile of...
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WO/2008/044323A1 |
An apparatus for manufacturing an electric resistance welded steel pipe, which is capable of ensuring good weld quality through imparting of an appropriate taper configuration to a width end region of band plate prior to electric resista...
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WO/2008/037145A1 |
A manufacture method of high precision seamless steel pipes, its hot- rolling process includes: cutting margins, forming circular pipes, high frequency welding, removing welding burrs, checking up, heating, rolling, determining the diame...
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WO/2008/031478A1 |
The invention relates to a method and a blank for producing a screw-tube conveyor in the form of a cylindrical rotary tube (110) with an internal screw spiral (120) for conveying and mixing a bulk material. To simplify the method and to ...
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WO/2008/025615A1 |
The present invention relates to a method for manufacturing a tube (12) for heat-exchangers. According to the present invention, the method includes the following steps: roll bending a tube from a metal strip (10) comprising at least one...
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WO/2008/025740A1 |
The invention relates to a method for producing a metal tube (1 ), comprising arranging one or more metal profiles (3, 5) to form at least one channel (7a-c) for conduction of a fluid, feeding the one or more metal profiles (3, 5) into a...
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WO/2008/028059A1 |
Methods and systems for reducing the stress state of compressed ends (14) of compressed tubes (10) are disclosed. The methods and systems may provide a reduced tensile residual stress state, or even a compressive residual stress state. T...
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WO/2008/022626A1 |
The object of the invention is a method for producing at least two plane functional surfaces extending parallel to each other on a pipe (3) having a curved, such as round, or a polygonal cross-section, wherein the length of each function...
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WO/2008/009810A2 |
The invention relates to an instrument panel tubular cross member equipped with a centring device (28) which is incorporated into the tubular cross member (24) by being formed from the material of the tube, and the centring device (28) c...
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WO/2008/007737A1 |
A high-strength bend pipe is produced which has an excellent strength/toughness balance as high as X70 grade or above and is excellent in tensile performance and low-temperature weld metal toughness. A UOE steel pipe comprising a base me...
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WO/2008/004453A1 |
A high-tension welded steel pipe for automotive structural members which has excellent formability and has excellent resistance to torsional fatigue after section forming and subsequent annealing for stress removal; and a process for pro...
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WO/2008/004108A2 |
Many types of stabilized lock-seam tubing are provided, as well as devices, apparatus and methods for producing such stabilized tubing. Advantageously, pinch-locked tubing according to the invention, which comprise interlocking, spaced p...
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WO/2007/147907A1 |
The invention relates to the method for producing a convoluted tube (26) from a tube (14) previously provided with recesses (18) obtained by means of turning of (14) and the application of a tool (25) formed by a holder (10) provided at ...
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WO/2007/141573A1 |
The present invention provides a tubular member (10) and method of forming the same in which the tubular member (10) comprises one or more strips of self overlapping helically wound material (12) having corrugations with radially adjacen...
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WO/2007/137669A1 |
The invention relates to a rolling stand, a rolling train and a method of rolling a metal strip preprofiled in a stepped manner. In order to ensure that the metal strip is free from corrugations in the longitudinal direction of the metal...
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WO/2007/136019A1 |
A high-strength steel pipe for line pipings which has excellent unsusceptibility to strain aging and gives an expanded pipe whose lengthwise-direction yield strength is inhibited from increasing upon heating for corrosion-resistant coati...
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WO/2007/129387A1 |
A method for producing a rectangular pipe being highly precise in dimension and profile and excellent in internal quality while doubling as a roll by roll-forming a circular pipe into a rectangular pipe without imposing undue burden on t...
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WO/2007/130141A2 |
A spiral pipe machine includes a feeding assembly for continuously feeding a web of material, and a forming assembly for accepting the web. The forming assembly bends the web to form a first section of a spiral pipe having a first predet...
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WO/2007/128031A1 |
A method and apparatus for manufacturing partially finished sleeves for hydraulic power steering valves. The method comprises gripping and rotating a solid cylindrical bar in a spindle with a portion of the bar protruding from the spindl...
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WO/2007/128283A1 |
The invention relates to a pipe having a longitudinal seam, wherein the pipe is made of a wear-resistant steel having a hardness of at least 350 HBW, wherein the longitudinal seam is executed as a laser fusion weld seam or as a laser hyb...
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WO/2007/115949A1 |
The invention relates to a method of producing structured, closed hollow profiles, in which method a blank (8) is preformed in a first forming step in a first forming tool (1, 2) with a punch (4, 5), extending in the longitudinal directi...
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WO/2007/113317A1 |
The present invention concerns a procedure for manufacture of a tube for conveyance of a fluid of a heat exchanger, such tube being of the type presenting a substantially rectangular cross-section, formed by two opposed walls of greater ...
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WO/2007/102602A1 |
[PROBLEMS] To improve the inner diameter size precision of the pipe end portion of a seamless steel pipe to be hot-worked. [MEANS OF SOLVING PORBLEMS] A mechanical expander in which a cone (2) and a die (1) are inserted into a pipe end p...
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WO/2007/090213A1 |
In a method of producing a corrugated tube, two half shells (2, 3), each running in a longitudinal direction, are formed from a flat sheet and are provided with corrugations (4, 5) which are oriented transversely to their longitudinal di...
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WO/2007/087778A1 |
The invention relates to a method of optimally dimensioning the heat transfer tubes in waste heat boilers of power plants. The aim is to maintain the calculated and planned thermic values as accurately as possible. This is achieved by fi...
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WO/2007/082994A1 |
The invention relates to a method for manufacturing a metal belt (102) for use in a paper/board machine or in a finishing machine. The method comprises producing a metal belt by placing side by side and/or in succession several metal bel...
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WO/2007/072079A1 |
An apparatus (50) for and method of manufacturing helically wound tubular structures (116) includes a rotating faceplate (74) upon which are mounted a plurality of diameter defining rollers (78) which, in operation, cause a strip materia...
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WO/2007/068591A1 |
The invention relates to a method for producing a composite part comprising a first (1) and at least one second part (2). The first part (1) is made at least in part of a metal while the second part (4) is made at least in part of anothe...
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WO/2007/069425A1 |
A method of manufacturing an electric resistance welded tube which can provide an electric resistance welded tube with excellent weld characteristics by forming its lateral end part in a proper shape immediately before the electric resis...
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WO/2007/067134A1 |
A thin walled tube is disclosed consisting essentially of a precipitation hardenable stainless steel and having a ratio, defined as outer tube circumference C divided by π times the square of the tube wall thickness w, of 90-350. The th...
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WO/2007/062991A1 |
The invention relates to a method for producing a hollow profile from a plate (5), in which the plate is placed between two die halves (3, 4) which have the desired profile shape and can be displaced in relation to each other and the pla...
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WO/2007/055405A1 |
A method of producing a seam-welded pipe having good welded portion characteristics with high efficiency which positively forms the shape of the opposite ends of the rounded width of a band material immediately before seam-welded into a ...
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WO/2007/051242A1 |
A process for forming a relatively thick-walled hollow bar by hot rolling an elongate member comprises the steps: (i) in at least one pass, rolling the elongate member so as to generally define at least two longitudinally extending porti...
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WO/2007/036342A1 |
A method for manufacturing a calibrated component, in particular for an exhaust-gas system of a motor vehicle, comprises the following steps: first of all, a tube (10) is provided which has a welded seam (12) along its longitudinal axis....
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WO/2007/035289A2 |
An apparatus (figure 2) for expanding metal and forming tubing (figure 1) combines two metal-forming operations into a single process. Tubing (figure 1), such as that used for Filters, is desirably expanded so that air or liquid may pass...
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WO/2007/033957A1 |
The invention relates to a device for shaping a blank (1, 2) into a hollow profiled element (6, 5, 13). Said device comprises at least one base plate (9) onto which the blank (1, 2) that is to be shaped can be placed, at least one die co...
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WO/2007/029343A1 |
An Al-Mg based aluminum alloy tube for hot working which has such an alloy composition, in mass %, that Mg: 2.5 to 2.8 %, Si: 0.25 % or less, Fe: 0.35 mass % or less, Cr: 0.25 to 0.35 % and the balance: Al and inevitable impurities, and ...
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WO/2007/007097A1 |
The present invention provides an apparatus (100) for forming circumferential grooves (14) in the exterior surface of a linear member (10), such as a tube. The grooves are formed by rotating a cylindrical cutting element (120) around the...
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WO/2007/006321A1 |
The invention relates to a wound metal hose (1) for exhaust systems, in particular of motor vehicles. Said wound hose (1) is produced from at least one profiled metal strip (3) which is wound in the shape of a thread, and the metal strip...
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WO/2007/001362A1 |
A method for reducing the cross-sectional diameter of a radioactive californium-containing cermet wire (17) while simultaneously improving the wire diameter to a more nearly circular cross section. A collet fixture (15) is used to reduce...
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WO/2006/135266A1 |
The method of shaping various cross-sections on metal pipes, especially those used for lighting posts, wherein the pipe of uniform original diameter all over its original length is mounted in apparatus so, that its middle part is placed ...
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WO/2006/129602A1 |
For industrially advantageous production of an electroformed copper/niobium composite piping material in which the electroformed copper layer and the niobium thin piping material are strongly boned to each other, a nickel thin-film is ap...
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WO/2006/130244A2 |
In one embodiment, a peelable circuit board foil (200) has a metal support layer (205) and a conductive metal foil layer (210) bonded by an inorganic high temperature release structure (215) that comprises a co-deposited layer (250) and ...
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WO/2006/120045A1 |
A bundle drawn metal fiber has a radial cross section comprising at least three concentric metal layers, being a core layer, a surface layer and at least one intermediate layer. The intermediate layer or layers envelop the core layer. Th...
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WO/2006/119755A1 |
Disclosed is a guiding and shaping system for producing welded pipes made from metallic strip material. Said guiding and shaping system comprises several pairs of rolls that are disposed one behind another in the direction of travel of t...
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WO/2006/111917A2 |
The present invention relates to the hollow metal profiles. The hollow profile produced in order to obtain the object of the present invention basically comprises at least one lateral surface having embossment figures on, which are forme...
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