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Patent Searching and Data


Matches 351 - 400 out of 4,398

Document Document Title
WO/2003/076096A1
Some metals, for example magnesium alloy, require pre-heating prior to fabrication processes such as forming. A conventional pre-heating practice of placing these metals in furnaces is time-consuming. An alternative practice of pre-heati...  
WO/2003/074207A1
The invention relates to a method for producing bent hollow bodies (10g) that comprise an inner arc and an outer arc. A starting hollow body with a flexible cross-sectional shape at least in the zone where it is supposed to be bent is be...  
WO2002032596A9
A method and apparatus for shaping a raw tube (40) into a formed part. The part can be configured within a die assembly including a hydroforming die structure (12, 14) and a pair of tube-engaging punches (81). The punches are inserted in...  
WO2003029069A3
A space frame (12) for a truck cab (10), the space frame (12) having a pair of hydroformed, longitudinally extending inner side rail members (42, 44), a laterally extending and hydroformed connecting member (52) extending between the inn...  
WO/2003/064953A1
The invention relates to a heat exchanger, especially a heat exchanger for motor vehicles, comprising a bank of tubes through which a gaseous medium flows and around which a liquid coolant flows. The ends of said tubes are received in tu...  
WO/2003/062554A1
The invention relates to a box-shaped wall panel consisting of sheet steel for a curtain wall on a building. The rims (4,5,6,7), which are bent backwards in an external hydroforming process, have rounded edges and seamless closed corners...  
WO/2003/059565A1
A welding material is constructed and arranged to be positioned in electrically conductive relation between exterior surface portions of first and second weldable members at a location where the first and second weldable members are to b...  
WO/2003/057397A1
The invention relates to a method for producing parts (2) comprising at least one internal cavity (4), said method consisting of three successive steps: first, at least two metal sheets (14) are diffusion bonded; then said bonded metal s...  
WO/2003/055618A1
A process is described of forming a structure by diffusion bonding and superplastic forming at least one skin sheet (16,18) and at least one core sheet (10, 12), the process comprising: a) forming a pack from the at least one skin sheet ...  
WO/2003/053607A1
The invention relates to a method for hydroforming workpieces (2) configured as hollow bodies using forming dies (1). During said method, laser illumination (8) is fed to a workpiece surface of a workpiece (2) that has been placed in the...  
WO/2003/051554A1
Curved surfaces, particularly reflectors such as concave mirror elements for use in astronomical telescopes, solar energy concentrators etc., and methods of forming such surfaces. A rigid body with a curved surface is formed by providing...  
WO/2003/047785A1
A hydroformable frame element is formed from the combination of at least two elements (12, 14). The at least two elements are designed with a partially overlapping region, with an annular space (20) defined within the overlapping region....  
WO/2003/045604A1
The invention relates to a method and a device for reshaping a tube (1) which is fixed between two axially displaceable pressure pistons (7,8), said tube having an initial outer diameter (DA), an initial wall thickness and an initial len...  
WO/2003/042030A1
The invention relates to a method of constructing a large, three-dimensional, laminar body. The inventive method involves the use of a real scale model of the three-dimensional laminar body to be produced, said model comprising all of th...  
WO/2003/035297A1
A system for removing dents from metal (22) comprising (i) a device (10) which includes at least one magnet (12) having a handle (16) detachably held to a portion of the magnet (12) by magnetic attraction and a roller (20) detachably hel...  
WO/2003/035299A1
A method of forming a tubular member, comprising a preliminary forming method for expanding (bulging) and bending a tubular raw material (Pa) by first and second metal molds (M1, M2) and a final forming method for collapsing a preliminar...  
WO/2003/033186A1
The invention relates to a method for producing a container for holding pressurized fluid, which container comprises a circumferential wall, a base and if desired a top, at least the circumferential wall being made from metal. According ...  
WO/2003/033187A1
The present invention provides a hydroforming system and method eliminating the need for a solid steel die (or mold) set operated by a conventional high tonnage hydraulic press. The invention utilizes a fabricated or bar-stock die set (2...  
WO/2003/033189A1
The invention concerns a method whereby components are arranged in a mounting device, outside an internal high-pressure forming press, in accordance with their position and their function, such that they are linked to one another. The mo...  
WO/2003/029069A2
A space frame (12) for a truck cab (10), the space frame (12) having a pair of hydroformed, longitudinally extending inner side rail members (42, 44), a laterally extending and hydroformed connecting member (52) extending between the inn...  
WO2002024371A3
An efficient and effective process for manufacturing of hardened aluminum components is achieved by coordinating the material preparation steps with the forming steps. The resulting product is a hardened aluminum component with desirable...  
WO/2003/028914A1
A method of manufacturing a hollow member having longitudinally varying plate thickness in cross section orthogonal to the longitudinal direction thereof, characterized by comprising a heating step for heating a tubular material (Pa) wit...  
WO/2003/013757A1
A method of forming a workpiece (18) comprises: holding the workpiece adjacent a mould (20); using a laser (30) to heat at least a part of the workpiece to a temperature sufficient to induce superplasticity; and applying a fluid pressure...  
WO/2003/013755A1
The invention concerns methods and devices for bending a cylindrical tube or the like (1) so as to obtain two consecutive sections (2, 3) of said tube forming between them a non-null angle $g(a). The method is essentially characterised i...  
WO/2003/006191A1
A method of creep forming a metallic component is provided. The method includes the steps of applying static loading and cyclic loading and/or vibration to the component during the creep forming thereof to act as a source of additional e...  
WO/2003/004190A1
A method for expanding tubular blanks (28) includes pre-expanding or initially expanding a section (34) of the tube by forcing a punch (32) into an open end (30) of the tube. The punching process may be repeated to achieve up to approxim...  
WO/2003/000945A1
The invention relates to a geometrically articulated amorphous metal alloy articles and processes for their production.  
WO/2003/000441A1
The invention relates to a structural part of a motor vehicle body, having a long, tubular and spatially curved form and a flange for applying additional parts. The aim of the invention is to produce and assemble the entire vehicle in su...  
WO/2002/094472A1
When a steel pipe (6) is to be hydroformed, a tubular deformable assistant member (10) made of an uncompressible material softer than the steel pipe (6) is fitted on the outer peripheral surface of the steel pipe (6). This deformable ass...  
WO/2002/090014A1
The invention relates to a method and a device for the production of varying elements in a hollow profile, enclosed around the circumference thereof. The device comprises an internal high pressure moulding tool, into the die recess of wh...  
WO/2002/087802A1
A method of forming a bottle-shaped or other contoured metal container by subjecting a hollow metal preform having a closed end to internal fluid pressure to cause the preform to expand against the wall of a die cavity (10) defining the ...  
WO2002032596A8
A method and apparatus for shaping a raw tube (40) into a formed part. The part can be configured within a die assembly including a hydroforming die structure (12, 14) and a pair of tube-engaging punches (81). The punches are inserted in...  
WO/2002/081115A1
A method for forming a tubular structural member includes the steps of cold forming a tube blank (10) to have a longitudinally variable but circumferentially constant wall thickness (t1, t2, t3) and forming the blank into the desired str...  
WO/2002/081863A1
A method of expanding tubing comprises locating an expansion tool in a section of tubing to be expanded, applying a fluid pressure to the tubing to create a fluid pressure expansion force and induce a hoop stress in the tubing, and apply...  
WO2002049784A3
In the present invention, at least one tubular blank (A) and at least one article such as a metal stamping (T), to be attached to a hydroformed part, are loaded into a die. The tube is hydroformed using typical methods. The article is po...  
WO/2002/079360A1
The invention relates to a lubricant blend containing, a) between 40 and 99.6 wt % of an oil that is liquid at room temperature or of a blend of different oils and b) between 0.4 and 10 wt. % of a wax or a blend of several waxes, the sum...  
WO/2002/076810A1
An automobile strengthening member which is light in weight and superior in axial crushing performance and has high bending strength performance is provided. Also provided is a strengthening member which will not crack even when a high s...  
WO/2002/076809A1
An automobile strengthening member which is light in weight and superior in axial crushing performance and has high bending strength performance is provided. Also provided is a strengthening member which will not crack even when a high s...  
WO/2002/074565A1
The invention relates to semi-rigid axles and, in particular, to a method for assembling the arms (2) of one such axle to the crosspiece thereof (1) by magneto-forming. In this way, the relative positions of the arms and the crosspiece c...  
WO/2002/060613A1
A method for the application of a function element (10, 101) to a mouldable metal piece (12) using a high pressure moulding process, whereby the metal piece (12) is put under load by means of a fluid pressure on the side away from the su...  
WO2001060544A3
A method for forming a hollow part (18) that allows the use of hydroforming in cases where the part interconnects between sections having extreme variations in cross-section. A complete hollow part (18) is formed by joining a hydroformed...  
WO2002031312A3
A drill string member is formed by providing a former (2) and a cylindrical member (1) to be shaped in relationship with the former. Seals (20) are provided between opposing ends of a thick wall cylinder (3) and the cylindrical member, a...  
WO2002028564A8
The invention relates to a method for producing a hollow shaft, in particular a camshaft according to an internal high-pressure forming (IHF) process. According to said method, cams and/or machine elements are mounted at intervals onto t...  
WO2001062410A3
A hydroforming assembly (10) has a plurality of die structures (20, 21) that are mounted on a press for reciprocating movement between open and closed conditions. The die structures have cooperating die surfaces (22) defining a die cavit...  
WO/2002/049784A2
In the present invention, at least one tubular blank (A) and at least one article such as a metal stamping (T), to be attached to a hydroformed part, are loaded into a die. The tube is hydroformed using typical methods. The article is po...  
WO/2002/047839A1
The invention relates to an internal high pressure forming device and method and to a corresponding tool system. The aim of the invention is to produce even complex three-dimensional sheet metal shapes while ensuring a failure-free shapi...  
WO/2002/034425A1
In the present invention a tubular blank and an article such as a bushing (50) to be assembled are loaded into a die. The tube (40) is hydroformed using typical methods and, while the blank is still pressurized, a punch pierces a hole in...  
WO/2002/032596A1
A method and apparatus for shaping a raw tube (40) into a formed part. The part can be configured within a die assembly including a hydroforming die structure (12, 14) and a pair of tube-engaging punches (81). The punches are inserted in...  
WO/2002/031312A2
A drill string member is formed by providing a former (2) and a cylindrical member (1) to be shaped in relationship with the former. Seals (20) are provided between opposing ends of a thick wall cylinder (3) and the cylindrical member, a...  
WO/2002/028564A1
The invention relates to a method for producing a hollow shaft, in particular a camshaft according to an internal high-pressure forming (IHF) process. According to said method, cams and/or machine elements are mounted at intervals onto t...  

Matches 351 - 400 out of 4,398