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Patent Searching and Data


Matches 501 - 550 out of 4,370

Document Document Title
WO/2000/016926A1
A method and apparatus for reshaping a container body (generally at 688) (e.g., a metal, drawn and ironed container body) utilizing a floating mechanism (716) for imparting an axial load is disclosed. In one embodiment, a container may h...  
WO/2000/016927A1
A method for manufacturing a vehicle wheel includes the steps of providing a wheel rim and a spider and holding the spider inside the wheel rim. The wheel rim and the spider are positioned in a high capacity forming machine. At least one...  
WO/2000/013814A1
A process of mechanical hydroforming, in which a hollow tube is caused to expand against the interior surface of a die that surrounds the tube by hydraulic pressure applied to a liquid that fills the interior of the tube, is improved by ...  
WO/2000/012240A1
The invention relates to a method and device (1) for forming a workpiece (2) by means of internal high pressure in a closed, internal high pressure forming tool (3). The workpiece (2) is expanded as a result of internal high fluidic pres...  
WO/2000/012241A1
The invention relates to a method for forming a hollow body (1) which is roughly hewed in a forming tool that comprises an upper part and lower part in order to obtain a preform (29) by crushing, using the upper part of the tool, whereby...  
WO/2000/010749A1
A system for forming tubular metal products (1) from tubular workpieces (2) by hydroforming, achieving single-step radial expansion of 70 %-150 % with high dimensional accuracy. Enhanced single-step radial expansion is achieved by mainta...  
WO/2000/010746A2
The invention relates to a method for deforming through high inner pressure at least two hollow bodies (2, 3) having each at least one opening, especially metal tubes or metal hollow profiles. A theoretical rupture point (11) is first de...  
WO/2000/010748A1
Tubular members (10) for use in vehicle frames are easily and economically produced using a hydroforming process in which a high pressure fluid is presented to the interior of a tubular member (10), thus causing the tube to expand to mee...  
WO/2000/009274A1
The present invention includes an apparatus (90) for forming a metal work piece (96) into a target shape, the apparatus (90) comprising: (a) a male mold portion (95) having a mold side and a back side; (b) a female mold portion (94) havi...  
WO/2000/005006A2
An apparatus is provided for forming a tubular fitting from a blank tube having an interior. The apparatus includes a right die plate (16), a left die plate (18), a lower die plate (12) and an upper die plate (14). The right die plate (1...  
WO/2000/001500A1
A method and device for producing parts by means of internal high-pressure metal forming, comprising various forming steps, beginning with rolled, drawn or welded tubes with any particular cross-section. The aim of the invention is to sh...  
WO/2000/000309A1
A device and method for expansion forming of an article used in conjunction with an isostatic press comprising a pressure cell equipped with an elastomeric membrane (3). The expansion forming tool (4) comprises at least one pressure inte...  
WO/1999/066095A1
Thick plate is difficult to form because it cracks when localized strain exceeds the limits of the material. Forming thick titanium would significantly reduce manufacturing costs for finished parts by reducing machining time and by allow...  
WO/1999/065636A1
A method and apparatus for inducing a physical change in at least one metal workpiece are provided. Energy is applied to at least a portion of the metal workpiece, the energy being a combination of energies of at least two distinct sourc...  
WO/1999/064180A1
A method for forming at least one bend in a double pipe is disclosed. The double pipe comprises an inner pipe located within an outer pipe. The method essentially comprises the following steps. In a first step, the inner pipe (10) is fil...  
WO/1999/062653A1
A method is disclosed for stretching sheet blanks (60), especially superplastic sheets, by differential gas pressure into conformity with a female die surface (38, 40, 42, 44) without encountering excessive thinning or tearing of the she...  
WO/1999/058891A1
A vibration decoupling exhaust connector is provided having a flange (314) mounting the connector to a flange or housing surface (342) of an exhaust system component, such as an exhaust manifold of an internal combustion engine. A liner ...  
WO/1999/058266A1
An apparatus for hydroforming workpieces includes a first (11) and a second tool part (13) and a press device (1, 6, 7) which closes and holds together the tool parts during a forming cycle. The first tool part (11) is mounted in the pre...  
WO/1999/052659A1
The invention relates to a housing (1, 10) for pipe valves and fittings and to a method for producing a housing (1, 10) of this type. The aim of the invention is to provide a housing (1, 10) which is inexpensive to produce and which can ...  
WO/1999/051372A1
The present invention provides a method of forming and a composite superplastically formed structure comprising a panel (40) provided by at least a pair of superplastically-formed sheets (12, 14, 16, 18), which together form a plurality ...  
WO1999033590A3
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...  
WO/1999/046112A1
This application pertains to a process for making a seamless, dome-shaped extrusion die (30), comprising the steps of: hydroforming a metal sheet into the shape of a dome, said being seamless; annealing the hydroformed metal sheet; and f...  
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...  
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...  
WO1999025505A3
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...  
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...  
WO/1999/035432A1
A system and method for hydroforming hose fittings (10) for use with hose assemblies (30).  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO1998051425A3  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/1998/046943A1
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 ...  

Matches 501 - 550 out of 4,370