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Patent Searching and Data


Matches 351 - 400 out of 2,457

Document Document Title
WO/2001/028708
A method of hydroforming a tubular aluminum alloy blank (T) into a desired configuration, including providing a tubular blank having opposing longitudinal end portions; rapidly heating the blank to an elevated temperature for a brief per...  
WO/2001/023116
A method of forming an elongated tubular blank into a tubular structural component having a predetermined outer configuration, the method comprising: providing a shape imparting shell (66) from a low permeability, rigid material which in...  
WO/2001/019546
A blow molding method for superplastic materials, which uses a time-related gas pressure, based on a maximum strain velocity, as a time-related target gas pressure pattern when a metal plate having superplastic characteristics is heated ...  
WO/2001/017709
A method of hydroforming a reinforced tube comprising providing a metal tubular blank (10) having an interior defined by an inner surface (12) and an exterior defined by an outer surface (14). A metal reinforcing member (20) is provided ...  
WO/2001/014078
The invention relates to a method for operating a forming press, in which a workpiece (2) in a rigid press frame (1) is pretensioned against a tool (3), using a clamping force F¿nh?. At least one piston tool (4) applies an impact force ...  
WO/2001/012354
The invention relates to a method for producing a hollow body made of aluminium or an aluminium alloy. Said method comprises the following steps: preparing at least one flat sheet metal blank, connecting the edge areas of the sheet metal...  
WO/2001/012357
A method for the production of a hollow body from aluminium sheet or alloyed aluminium sheet, especially a tank having at least one pipe mounted therein. Said method involves the following steps: preparing at least a cut flat sheet (10);...  
WO/2001/010580
The invention relates to a method for shaping an initial profile (16a) or a similar workpiece, which comprises a profile space, into a final profile by using an internal high pressure that is generated in the sealed profile space by a fl...  
WO/2001/008829
A method of cutting opposing holes in a side wall (17) of a tubular workpiece (13) and removing the cut out slugs (46, 47), in which first and second axially aligned punches (18, 29) are applied to opposite side walls (17) of a pressuriz...  
WO/2001/005549
A method and apparatus are provided for forming shapes and contours in metal sections by generating laser induced compressive stress on the surface of the metal workpiece. The laser process can generate deep compressive stresses to shape...  
WO/2001/000349
The invention relates to the treatment of metals by pressure and to welding thereof by pressure. It is directed towards a method of manufacturing a multilayer cellular structure from materials capable of superplastic deformations, consis...  
WO/2000/076685
A metal plate (16) is formed in a process comprising cutting, perforating or both, by forcing the plate (16), by means of an abrupt and intense force towards a mold (12) having openings (27) or boundaries defined by wall sections (22, 28...  
WO/2000/072992
A mold (10) is provided having a mold cavity in the final shape of an article and a hollow article (28) is placed in the mold adjacent the mold cavity (26). The hollow article (28) is preformed into an intermediate shape (30) by closing ...  
WO/2000/067931
A method of forming a hollow workpiece (40) particularly made of metal in which the workpiece is placed between at least two parts (32, 33) of a die set; the parts are closed together so that the workpiece conforms approximately to the s...  
WO/2000/058040
Fastening device (2) preventing deflection of pressure die (3) comprises cylinder powered fastening means (15) and stretch bars where the pre-stretched bars act as piston rods. The locking device is especially applicable in hydroforming ...  
WO/2000/053354
The invention relates to a method for hydroforming a hollow profile (12) in a shaping tool. According to the inventive method, a fluid with a high pressure P¿I? is passed into the hollow profile (12). Said hollow profile has a transitio...  
WO/2000/051759
The aim of the invention is to produce cam shafts. To this end, the plasticising method known per se is combined with the internal high pressure deformation method in such a way that bearing elements, drive elements and control elements ...  
WO/2000/048762
Process for deforming a piece of thin-walled metal tube, comprising the operations of bending the piece of tube with respect to its original axis, in which process the wall of the piece of tube is firstly provided, at least at the locati...  
WO/2000/048761
A method and apparatus for sealing the net shape of the end of a final product tube (30) to eliminate or minimize scrap for a wide range of shapes of the end of the product. A sealing tool (18) has a neck (64), and a coining portion (60)...  
WO/2000/041827
The invention relates to a method for producing ingot molds (1) for pig casting installations used for producing pigs. According to the invention, mill bars (2) comprised of copper are used as starting material. Said mill bars are, in pa...  
WO/2000/038863
The invention relates to a method for producing a profiled part (16, 19) consisting of metal foam and a sheet metal (13, 17). Said sheet metal is provided with an expandable metal powder (14, 18) which is not compressed or precompressed....  
WO/2000/037880
A mobile apparatus, and method of operation, for controlling and suppressing the explosive destruction of munitions by detonation in an explosion chamber (50). The apparatus comprises a double-walled steel explosion chamber (50) which ma...  
WO/2000/033988
The invention concerns a method and a device for hydroforming a tubular element. The matrix (1) is produced in the form of a series of assemblies (5, 6) constituting elementary matrices, juxtaposed successively along the tubular element ...  
WO/2000/027563
A metal forming apparatus (10) utilizes the combination of a wedge shaped die half (31) and a complementary shaped cavity (3) in a frame (1) to shape metal blanks (20). The cavity includes a metal forming mechanism (25) located adjacent ...  
WO/2000/027555
The invention relates to method for producing a hollow body (26) from sheet metal, especially from aluminum or aluminum alloys. According to the inventive method, a substantially flat sheet metal blank (4) is provided. At least one wall ...  
WO/2000/023211
The invention relates to a device (10) and a method for producing shell-shaped metal parts, especially for fuel tanks for motorcycles or the like, wherein said parts are produced from flat or preshaped sheet metal elements (40) by means ...  
WO/2000/018526
An external inductor (10) for magnetic pulse welding and forming includes an outer steel frame (12) and an inner beryllium-bronze alloy insert (14) which is removably mounted within the frame (12). The steel frame (12) and the beryllium ...  
WO/2000/016926
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/2000/016925
A method of superplastic forming at least two superplastically formable metal workpieces (34, 35) comprises producing a die (10) having a face (22) contoured to a predetermined shape. The superplastically formable metal workpieces (34, 3...  
WO/2000/016927
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/2000/013814
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/2000/012240
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/2000/012241
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/2000/010748
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/2000/010749
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/2000/010746
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/2000/009274
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/2000/005006
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/2000/001500
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/2000/000309
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/1999/066095
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/1999/065636
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/1999/064180
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/1999/062653
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/1999/058266
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/1999/058891
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/1999/052659
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/1999/051372
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 ...  
WO/1999/046112
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/1999/042312
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...  

Matches 351 - 400 out of 2,457