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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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WO/1997/022426A2 |
Two workpieces are joined together or welded to one another by inducing movement in a first of the two workpieces or a portion thereof by means of a pulsed magnetic force, whereby the first workpiece or portion impacts onto the second of...
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WO/1997/013683A1 |
A hollow, integral asymmetrical metal structure, e.g. an aircraft wing slat trailing edge, including two gradually diverging outer skins (16, 18) with differing curvatures joined together at one edge (20). The structure further includes ...
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WO/1997/010907A1 |
A process and apparatus for electromagnetically forming the end of an electrically conductive aluminum tube (32) onto an end fitting (34). The apparatus includes a main coil (104) and a field concentrator (156) movable into an opening (1...
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WO/1997/005022A2 |
An aerosol container cover having a central opening for a nozzle and an outer edge adapted for sealing attachment to the open end of an aerosol container body. The aerosol container cover being of a relatively thin walled metal and havin...
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WO/1997/005007A1 |
An integral tubular metal cradle (1) for a motor vehicle, comprising a tubular central portion (2) with two arms (5, 6 or 7, 8) extending from each end (3, 4) thereof and having a substantially open, semi-tubular cross-section, said arms...
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WO/1996/041692A1 |
A hydraulic pressure boosting unit (11) is used in particular in a press operating according to the high inner pressure extrusion process. The hydraulic pressure boosting unit has a docking cylinder (10) with a docking piston that slides...
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WO/1996/041693A1 |
Fill and pressurization apparatus having a sectional fluid conductor (27) having a first section (27a) fixed relative to the surroundings, and a second section (27b) which moves toward the first section (27) to form an enclosure (Fig. 2)...
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WO/1996/041957A1 |
A known hydraulic pressure boosting unit has a pressure booster (11) with a primary piston (40) that slides axially in a first cylinder chamber (16), a secondary piston (41) located on one first side of the primary piston (40) and that p...
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WO/1996/039291A1 |
For forming or consolidating organic matrix composites, for example, an organic matrix composite panel (106) is sealed between sheets of a susceptor material (100, 102) that is susceptible to induction heating. The susceptor sheets (100,...
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WO/1996/033838A1 |
The invention relates to a device and a process for shaping workpieces with laser diose radiation. The invention is characterized in that, depending on the outline of the workpiece to be shaped, there is a plurality of diose lasers which...
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WO/1996/031300A1 |
For the economical production of a two-part valve housing it is proposed to make an intermediate product (10) from a tubular blank (20) by internal high-pressure forming which corresponds in a section on one side of a partition (T) to th...
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WO/1996/030138A1 |
A method for pneumatic forming of foil workpieces includes the steps of positioning a foil workpiece (12) between a first and a second forming element (14, 16), the second forming element (16) having at least one forming cavity (20), mov...
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WO/1996/027077A1 |
A hollow shaft (1) with external functional elements is assembled by radial expansion in given areas in the axial direction. The inner shaft tube (3) in the sections to be expanded is thus plastically deformed, and the external parts in ...
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WO/1996/024448A1 |
A process for the production of a metal valve body, in which a pipe section (10) is placed in a press mould (14) and shaped by means of a press tool (15). The ends of the pipe section are left as tubular connecting pieces. The central pa...
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WO/1996/012578A1 |
The invention solves the problem of providing tubular components with reinforced end cross-sections while preventing thermal overstress. The method consists in cold-forming by means of a set of tools consisting essentially of a shaped ho...
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WO/1996/012576A1 |
A method is provided for releasing a thin foil workpiece (12) from adherence with a resilient surface (41) to which it adheres due to compression occuring in a forming operation. The method includes the steps of applying pneumatic pressu...
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WO/1996/009949A1 |
A rail frame assembly for a motor vehicle comprises a rearward frame module having a pair of generally parallel rearward frame rail members interconnected by a rearward cross-member assembly. A central frame module includes a pair of gen...
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WO/1995/034389A1 |
A method and apparatus using pneumatic pressure and reduced, controlled clamping pressure to provide reliable, high speed pneumatic forming of thin foil workpieces (12) at ambient temperatures without lubricants or cull plates. Forming e...
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WO/1995/031635A1 |
In a weld-free pipe junction having at least two inlets (E) and one outlet (A), the outlet (A) is formed by a neck (4) shaped in the side wall of a pipe (1, 1') whose ends (2, 3) form both inlets (E). A device for producing such a pipe j...
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WO/1995/029775A1 |
A method and apparatus for hydro-forming the walls of thin-walled small tubes (1). A mold (10, 11) is provided having an internal surface (13) to support the wall of the tubing and defines cavities (16, 17) that correspond to the desired...
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WO/1995/027575A1 |
A process for superplastically forming a part from a blank of superplastic material such as titanium alloy, including enclosing and capturing a sheet of superplastic material having uniform thickness between a die lid and a die base. The...
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WO/1995/027576A1 |
In a method of forming grooves in a tubular member having an inner surface and an outer surface, an end of the tubular member (1) is inserted into a forming die (4) having a bore (5) of cylindrical configuration with a selected pattern o...
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WO/1995/020441A1 |
A titanium gas injection tube (18) is located within a counterbore (16) in the blade (10) halves which are to be bonded and formed. An internal stainless steel sleeve (24) is placed in the counterbore inside the titanium tube to resist b...
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WO/1995/014851A1 |
The invention relates to a hollow camshaft consisting of a cold-formable, heat-treatable metal or metal alloy or plastic and having fibres running parallel to the outer contours of the camshaft, and a process for its production, comprisi...
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WO/1995/012466A1 |
The invention relates to a process for forming hollow stepped shafts of cold-formable metal by internal high pressure with the following steps: provision of a tube outlet section and filling it with fluid; sealing at least the tube secti...
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WO/1995/008410A2 |
The present invention relates to a method of shaping hollow articles which method comprises locating said article in juxtaposition with a die or shaping surface means, introducing products of combustion under pressure interiorly of the a...
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WO/1995/003143A1 |
The invention relates to a device (2) for encasing workpieces, especially catalysts, with a close-lying casing (4) overlapping at the ends. The encasing device (1) has a receptacle (6) with several movable jaws (7) which positively surro...
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WO/1994/023860A1 |
Apparatus for bending and stretching symmetric and non-symmetric (in cross section) elongated hollow members (26). The apparatus includes removable jaw means (38, 39) located in opposed clamp assemblies of the apparatus for gripping the ...
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WO/1994/022611A1 |
Disclosed is apparatus (1) and a method for the stretch forming of an elongated hollow metal section (6), such as an aluminum extrusion. The apparatus and method uses one or more constraining means (15, 20, 21) secured to a forming die (...
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WO/1994/022612A1 |
Thin-walled materials are stiffened by bulging without causing material deformations typical of deep-drawing. A material web to be structured with bulges is wound in several layers around spaced apart supporting elements (2), the materia...
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WO/1994/004293A1 |
Process for the manufacture of assemblies consisting of two formed and glued pieces. Both pieces (1 and 3) are disposed on a punch and die (2 and 4) provisionally separated in order to introduce sufficient pressure to hot form them. The ...
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WO/1994/003290A1 |
A device for explosive forming of tubes of complex configuration comprises an even number of split dies (8, 10) of cylindrical form, means for joining the split parts of the dies, which are common for each pair and consist of a rope (4) ...
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WO/1993/020382A1 |
Known metal pipes with inner and/or outer linings have the disadvantage that the fit between supporting pipe (1, 2, 3, 8, 9, 10, 20) and inner pipe (5, 14, 15, 21) or outer pipe (16), as well as the sealing of the individual pipes, which...
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