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WO/1999/042312A1 |
The present invention relates to a method for making a vehicle frame member having a shock absorbing mounting portion constructed and arranged to be mounted to a structural component within a motor vehicle. The method comprises hydroform...
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WO/1999/041028A1 |
The invention relates to a method and a device (1) for forming a workpiece (2) by application of a high internal pressure in a closed high-pressure forming tool (3). The workpiece is expanded by the fluidic high internal pressure created...
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WO/1999/036705A1 |
The invention concerns a lever (10) with an attaching part (16, 38, 42, 46, 48, 52, 56) arranged at least on one of its ends. According to the invention, a hollow profile (12) made of a non-cutting formed material forms a locating chambe...
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WO/1999/035432A1 |
A system and method for hydroforming hose fittings (10) for use with hose assemblies (30).
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WO/1999/033590A2 |
An apparatus for forming a generally planar metal plate into a dish with a three-dimensional pattern is provided. The apparatus comprises a mold having a forming surface with a contour corresponding to said three-dimensional pattern, and...
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WO/1999/033591A2 |
An electromagnetic forming apparatus for forming an essentially planar metal plate into a dish having a three-dimensional pattern, is provided. The apparatus comprises a mould having a forming surface with a contour corresponding to said...
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WO/1999/025505A2 |
The invention relates to a method and device for reducing the wall friction during an internal high pressure forming process especially during expansion compression in which a controlled axial feeding of metal into the forming zones occu...
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WO/1999/025506A1 |
The invention relates to a method for producing an integral housing for a hydraulic steering gear. Said housing comprises a housing section for housing a steering gear having a pinion and a rack, and an adjacent section for housing the h...
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WO/1999/025504A1 |
The invention relates to a method for hydraulically sealing a hollow profile section comprised of a metal material, especially steel, which is subjected to an internal high pressure forming process by an active means. The invention is ch...
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WO/1999/025991A1 |
Process for producing a component for reducing the effect of an external mechanical impact, of the type which comprises an essentially tubular metal element which has a jump in its cross section which is such that under the influence of ...
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WO/1999/025503A1 |
The invention relates to a method for producing a bifurcation on a hollow profile section in which a dome is formed by means of a hydraulic active medium during an interior high pressure forming operation. The invention is characterized ...
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WO/1999/020414A1 |
The invention relates to a method for producing a shaft from a tube piece (R), said shaft comprising at least one dome-shaped component, such as a lifting bearing, a cam (N1, N2) or a bearing shoulder. The method facilitates an economica...
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WO1998043759A9 |
A forming device including discrete heating zones (18a-18d) along the axial length and circumferential portion of a mold cavity (23). One zone can be heated to cause the heated tube portion to become more elastic than the non-heated tube...
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WO/1999/017894A1 |
A method of hydroforming an angled tubular part comprising disposing an angled metal tubular blank within a generally correspondingly angled die cavity, the tubular blank having an exterior surface, wherein at an angled portion of the tu...
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WO1998046943A9 |
A method and apparatus for enclosing, controlling and suppressing the explosive destruction of munitions, particularly cluster-bomb munitions in an explosion chamber. The explosions chamber (28) comprises a double-walled steel explosion ...
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WO/1999/016561A1 |
A pneumatic isostatic forging process for densification of near net shape workpieces is disclosed. A workpiece (22) is heated prior to the forging process, such as from a previous processing step (14). The workpieces is loaded into a pre...
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WO/1999/012730A1 |
A device for holding, in a braking manner, a preferably sheet-formed blank (31) when forming the blank in a fluid cell press. During the forming, a hydraulic forming pressure is applied, via an elastic diaphragm (4), to one side of the b...
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WO/1999/005239A1 |
Magnesium hydroxide or mixtures of magnesium hydroxide and boron nitride applied, e.g., by spraying in a liquid vehicle onto surfaces of a sheet (22) of a superplastic formable metal alloy facilitate the forming of such sheet material an...
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WO/1999/003616A1 |
The present invention relates to a method and apparatus for forming an elongated tubular metal member from a tubular metal blank. The method comprises: i) placing a tubular metal blank having a generally oval cross section into a die cav...
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WO/1998/054370A1 |
The invention concerns a method for manufacturing quenched metal hollow casings of steel by blow-moulding whereby a preheated hollow casing billet, preferably above austenitising temperature, is introduced into a blow-moulding tool (1) a...
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WO/1998/051425A2 |
A method for hydroforming a closed channel member (10) that allows the perimeter to be increased, but which maintains a uniform wall thickness throughout, includes the initial step of disposing a closed channel member (10), such as a tub...
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WO/1998/051428A1 |
An apparatus and method for forming a complex-shaped frame member from a blank tube (20) having opposed ends are provided. The blank tube is placed in a first cavity (22) on a lower die (12). An upper die (14) is lowered from an open pos...
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WO/1998/051427A1 |
A sealing unit capable of sealing engagement with an end of a tube (20). The tube has an outer wall and a bore surrounded by an inner wall. The seal unit comprises a tapered element (47) having a longitudinal axis. The tapered element is...
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WO/1998/046382A1 |
An apparatus for hydroforming a tubular metal blank has a die structure (12), a hydroforming fluid source, a hydraulically driven tube-end engaging structure (36), a hydraulically driven pressure intensifying structure (110), and a singl...
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WO/1998/046381A1 |
The invention relates to a method for forming a metal blank to produce a metal piece in a tool mould, said tool mould having a first mould half and a second mould half. A membrane can be inserted between these two mould halves and a meta...
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WO/1998/043758A1 |
A frame member (510) is formed from a tubular blank (10) within a sectional die cavity (18, 19) having an inner portion (513) and an outer transition portion (21, 22). An outer end portion (513) of the tubular blank (10) is deformed by p...
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WO/1998/030354A1 |
A process for electromagnetically forming an elongated tubular workpiece (22) by applying an electromagnetic force provided by an energized workcoil (24) to the workpiece radially of its longitudinal axis, and by simultaneously applying ...
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WO/1998/029286A1 |
The invention relates to a wiper, comprising a fixing member (10) or a four-bar coupler (12), a joint element (14) and a wiper arm (16) with a coupled wiper blade, having at least one clamping element (18, 20), wherein at least one of th...
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WO/1998/025713A2 |
A metal tube is cold formed into a stamped member by filling the tube with a liquid change-of-state material, freezing the change-of-state material, sealing the tube containing the solid change-of-state material, and stamping the tube in...
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WO/1998/025051A1 |
A device for turning rotary motion into translatory motion, which device comprises at least three concentrically arranged threaded elements (2, 3, 4, 5). An externally threaded first element (2) is in engagement with an internally thread...
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WO/1998/024569A1 |
The invention relates to a molded part (10) which is configured by initially forming a tubular body (2) with a soldered flange (7). Subsequently, the body (2) is shaped in a mold (8) by securing the flange (7) under high internal pressur...
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WO/1998/023400A1 |
A novel apparatus for pulse magnetic forming of a tubular workpiece is provided. The apparatus forms functionally a single wind coil and is particularly suitable for joining or welding of a tube onto another tube or a cylindrical object.
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WO/1998/020991A1 |
Sheet materials are superplastically formed and optionally diffusion bonded into structures, by directly electrically resistance heating the sheets and forming them with a controlled gas-mass flow while the dies (362) in which they are f...
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WO/1998/019805A1 |
Process for connecting a metal tube (2) provided with an elastic plastic coating (3) to a member (5) provided with a tube-like portion (6) having outer dimension which is substantially equal to the inner dimension of the tube (2), which ...
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WO/1998/017415A1 |
Disclosed is a method for hot-forming hollow profile metal workpieces (2) enabling substantial deformation of up to 100 % and more, even for complicated hollow profile metal and non-straight workpieces at very short cycle times and low s...
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WO/1998/013166A1 |
Compression diffusion bonding according to the present invention uses a CRES template to apply increased pressure in the areas designated for diffusion bonds (DB) to improve the bond quality and to reduce the processing time. The CRES te...
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WO/1998/008633A1 |
A die assembly having die structures that are cooperable to define a die cavity into which a metallic tubular blank can be disposed. A first die structure is moveable to seal the die cavity, and after the die cavity is sealed, the first ...
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WO/1998/007547A1 |
A method of forming a hollow structure having a predetermined shape from a sheet of superplastic material. The sheet is initially formed into a preform configuration (10). A reusable fluid inlet tube is placed in the preform configuratio...
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WO/1998/003797A1 |
A method and apparatus for coupling tubular elements (12, 14, 16, 18, 20 and 22) of a frame (10) without welding or adhesive bonding. Connection elements (24, 26 and 28) are used with which mechanical connections may be accomplished by r...
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WO/1997/046341A1 |
In order to be able economically to produce longitudinal hollow body components, especially camshafts, not only with a saving in tooling and working steps but also with increased efficiency, projections or cams (6) from a hollow shaft (5...
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WO/1997/045216A1 |
A method of fabricating or forming a tubular member (10) to produce a torque joint wherein the torque joint is formed using an external die arrangement (64) for electromagnetic concurrently forming longitudinal and circumferential or rad...
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WO/1997/041979A1 |
This invention relates to a process of manufacturing a body substantially hemispherical in shape, comprising the steps of: (a) bonding a plate (1) to a substantially cylindrical shaped body (3) to form a two-piece body; (b) bonding the o...
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WO/1997/038807A1 |
The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section...
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WO/1997/034789A1 |
The invention concerns a vehicle windscreen-wiper system with a mounting for a drive comprising a wiper motor, a gear unit and a lever arm, the installation also having two bearing brackets spaced a certain distance apart and, in each be...
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WO/1997/029869A1 |
A device and process for hydrostatic forming is disclosed. The device for hydrostatically forming an article (22) comprises an expandable bladder (14) for shaping the article (22); a fluid (16) for expanding the bladder; and a device (28...
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WO/1997/029868A1 |
The invention concerns a method and device for producing a mounting on a sheet metal shaped part (2) made of thin sheet metal, in which the sheet metal shaped part (2) is provided with a dome (6). The object of the invention is to be abl...
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WO/1997/027970A1 |
A method of making an expanded metal sandwich structure (42) includes cleaning the appropriate parts prior to each bonding step in the process to remove metal oxides and residues that would interfere with the bonding steps. The core shee...
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WO/1997/027045A2 |
A superplastically formed, diffusion bonded sandwich structure (30) having integral metal hardpoints (40), made by joining two superplastic metal core sheets (36) together into a core pack (38) by welding or diffusion bonding along a pat...
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WO/1997/025165A1 |
Various methods and devices are disclosed for shaping/embossing thin-walled work pieces (e.g., drawn and ironed container bodies having a sidewall thickness of no more than about 0.007). One aspect is particularly apt for realizing compl...
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WO/1997/024558A1 |
A method and apparatus for enclosing, controlling, and suppressing the detonation of explosives in an explosion chamber is disclosed. The device comprises an elongate double-walled (1, 3) steel explosion chamber anchored to a concrete fo...
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