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WO/2000/015368A1 |
A method for manufacturing a drive plate or one-piece torsional vibration damper retainer plate (20) for a torque converter (26) is disclosed. The retainer plate includes an annular periphery (36) curled into a generally C-shaped channel...
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WO/1999/061764A1 |
An emission system part, comprising an inner pipe in which a space is formed continuously up to the tapered reduced diameter parts of inner and outer pipes and which incorporates a catalyst carrier at its center part and forms a generall...
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WO/1999/037418A1 |
The invention relates to a flanging device (1) with one or more flanging units (11) carrying at least two different flanging tools (16, 17) for preflanging and final flanging. The flanging units (11) have a flanging drive (14) and at lea...
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WO/1999/037419A1 |
The invention relates to a flanging device (1) comprising an external flanging unit (6) and/or an internal flanging unit (7) as well as a clamping device (3). The clamping device (3) has one or more leading pressing and clamping elements...
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WO/1999/022887A1 |
An extended length rotary bending and forming device having a rocker (10), a holder or saddle block (42) for holding the rocker (10), and a retention device (40). The rocker (10) being produced by a process of fully hardening a steel roc...
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WO/1999/015390A1 |
The present invention refers to a procedure for manufacturing a tubular sheet metal beam having corbelled-out end sections, preferably intended to form part of a vehicle body, and a sheet metal beam manufactured according to the procedur...
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WO/1999/007492A1 |
A sheet steel blank (11) is hot stamped and rapidly cooled in a pair of cooled tools (20, 21) in a process usually called press hardening. The blank has holes (12, 13) that are collared by means of mandrels in connection with the forming...
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WO/1999/006267A1 |
A method of constructing a vehicle body from metal roof (10), side and floor panels (12, 14, 16) by welding or otherwise joining whilst loosely holding the fabrications in a jig, the roof panel (10) and two side panels (12, 14) are joine...
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WO/1998/050595A1 |
An improved method of forming a severe bend (20) or a hem in a sheet (10) of wrought aluminum age-hardened and age-hardenable alloy includes heating the region (22) to be bent or hemmed to a temperature above about 250 �C for a period ...
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WO/1998/023438A1 |
A support frame (14) is provided on a base (10) with a working space (16) therebetween. An automatic die changing mechanism (24) which transfers a plurality of die units (78) to a required working position selectively is provided in the ...
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WO/1998/022239A1 |
An integral structure of a sheet material and a cylindrical member having high bonding rigidity and firm bonding can be produced easily. The outermost wall (5) of a superposed wall (6) into which a part of a cylindrical wall (3) of a cyl...
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WO/1998/018582A1 |
The invention concerns a method of producing without cutting a hub of a rotationally symmetrical gear part comprising the hub from a sheet metal blank or first draw by pressing with a pressing tool in the radial direction towards the axi...
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WO/1997/044147A1 |
The invention relates to a process for shaping a flat metal workpiece, especially an aluminium sheet, in which the workpiece is heat-treated in the shaped region. According to the invention, the heat treatment is applied by a radiation t...
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WO/1997/032678A1 |
The invention concerns a method for producing stamped parts, in particular plates, which comprises only two steps. In a first method step, the workpiece is blanked inside a device (1) in a fine blanking stage (2) and, after blanking, is ...
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WO/1997/032380A1 |
A metal electrical accessory box (1), a process making the box and a mounting grid plate (310) for mounting an electrical device (334) such as a switch in the box (1) are provided, the box has a base (10) and one or more walls (13) exten...
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WO/1997/031730A1 |
Method and apparatus for improving the concentricity and reducing the flange width variation of a die-necked container body are disclosed. A piloted pad (100, 200) is inserted into the dome (14) at the bottom of the can, either as part o...
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WO/1997/019770A1 |
A method for forming a flange (52) on a tube (30) includes the steps of: (a) placing a tube having a tube axis extending longitudinally therethrough on a support device (12) for supporting the tube, the tube having an edge defining an op...
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WO/1997/003772A1 |
A method of forming relatively hard materials is disclosed. The method includes providing tooling for performing the forming operation on a strip (10) of relatively hard material. The tooling includes a forming tool (22) and a mating die...
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WO/1996/038684A1 |
A gasket (14) comprising a compression-limiting stop (15) is manufactured by bending an edge portion (10a) of a metal sheet (10) of substantially uniform thickness out of the plane of the sheet and pressing said bent edge portion so that...
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WO/1996/025253A1 |
A machine including a die (14) mounted in a holder, two jaws (6) forming a clamping jaw for holding one end of the tube (4) to be expanded, drive means (17, 18) for imparting orbital motion to the die, drive means (25) for moving the die...
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WO/1996/024447A1 |
In order to bend an edge of a panel (P), use is made of a blade (66) and a counterblade (70) whose length (L) is less than the length of the bend to be formed. The bend is formed by causing the blade and counterblade and the panel to exe...
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WO/1996/021530A1 |
A workpiece deforming tool (200, 201) in a punch press comprises self-locking means (150, 260) for locking the tool in a working position after being pushed in this position by a momentary strike of a ram (99) of the punch press. Upon a ...
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WO/1996/017699A1 |
When a hot rolled wide steel band is slit into narrower strips, the edges will have sharp corners. All four corners of such a strip (28) can be trimmed simultaneously by having the strip running between two rolling devices so that the ro...
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WO/1996/011760A2 |
The invention concerns a method and tools for creating flanged lightening holes in workpieces, in particular shaped flanges in container walls made from the same material as the workpieces, i.e. container. The invention is characterized ...
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WO/1995/021710A1 |
A hemming machine adapted to externally and internally hem a sheet metal fabrication comprising an anvil which itself is apertured so as to register with an aperture in the metal fabrication which is to be internally hemmed, wherein addi...
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WO/1995/021711A1 |
A press is described for prehemming and final hemming the internal periphery of an aperture in sheet material received on an anvil (10) on which the sheet material (12) is held down so that the upturned edge (14) of the aperture which is...
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WO/1995/019856A1 |
The invention relates to a driving device for a bending unit for bending-in an edge flange against a workpiece, said bending unit comprising a stand, supporting the driving device, a supporting surface for the workpiece and a linkage sys...
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WO/1995/019233A1 |
A punch press is provided with a tool bearing a workpiece-deforming roller (60), the tool being received in an aperture in the press for movement between a lower position in which the roller comes into deforming contact with a workpiece ...
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WO/1995/017983A1 |
To provide a joining and uniting means which does not cause two metal plate materials, which are to be joined into a unitary structure by curling, to become out of alignment when they are put together, and which does not, moreover, requi...
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WO/1995/004615A1 |
A zone heating device (46, 48) has first and second spaced burners (90, 92) for heating first and second spaced sides (16, 18) of a metal plate (14) during forming of a thickened edge along the edge (12) of the metal plate (14). The firs...
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WO/1994/009927A1 |
A method and apparatus is provided for crushing a portion of a corrugated plate in a selected area of the corrugations without blocking the grooves (14, 14'). In accordance with the method teeth are inserted into grooves on opposite side...
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WO/1994/008750A1 |
Method and apparatus for welding a plurality of parallel continuous seams (34) on bellows (10) which comprise the steps of defining a welding station (100, 200) including a laser beam (501) or electron beam (700) welding source and a wor...
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WO/1994/009225A1 |
An outflow element (1) for the drainage of rain-water contains a lead plate (2) with a hole and an aluminium pipe (3) affixed in a sealing manner in the hole, whereby the extreme (4) in question of the outlet pipe contains bulges (8) and...
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WO/1993/020003A1 |
In order to simplify the production of a high-resistance bobbin body made of an aluminium alloy, the following process steps are disclosed: (a) extruding or flow extruding an essentially cylindrical bobbin blank (5); (b) cutting the bobb...
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WO/1993/011888A1 |
A press tool for producing metal components comprises a die (2) and a punch (3) which are relatively movable towards and away from each other. The die (2) is provided with rotatable rollers (9, 10) with which a component (8) co-operates ...
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WO/1992/019394A1 |
In conventional fabrication manufacture the thickness of the steel plates (16, 16') are often determined by the metal section required at the weld joints. The subject apparatus (10, 10') and method overcomes this problem by selectively f...
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WO/1992/011956A1 |
The invention relates to an apparatus for bending an edge flange (4) which projects out at an angle to a surface of a workpiece (3) in towards said workpiece. The apparatus includes a bending tool (5) which is mounted on a tool holder (2...
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WO/1991/001466A1 |
A tube assembly (10) is formed by placing a sleeve member (12) over an end portion (34) of a tube (18) and then placing the tube (18) and sleeve (12) in a die (36). A movable punch (44) is then pressed against a projecting end portion (3...
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WO/1990/014178A1 |
In conventional fabrication manufacture the thickness of the steel plates are often determined by the metal section required at the weld joints. The subject apparatus and method overcomes this problem by selectively forming a thickened e...
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WO/1990/006195A1 |
A deburrer assembly (10), for the purpose of removing burrs, fins and other protuberances form the surface of castings, consists of a cylindrical roll body (12) in end fittings (11), such as heavy-duty bearings, with multiple hammers (14...
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WO/1989/009103A1 |
The invention relates to apparatus for bending a flange (5) against a workpiece (4). A bending tool (6) is mounted on a tool holder (7) connected to a stand (1) by a linkage mechanism (8-13). The stand carries the workpiece (4) and a dri...
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WO/1989/009101A1 |
The invention relates to an apparatus for bending a flange against a workpiece (3). A preliminary bending tool (5) on a first tool holder (7) is carried by a linkage mechanism (8-13) for movement in relation to a stand (1). A bend finish...
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WO/1989/009102A1 |
The invention relates to apparatus for bending a flange (5) against piece (2). A bending tool (6) is mounted on a tool holder (14) carried by a parallelogram mechanism (7-12) for movement in relation to a stand (1) carrying the workpiece...
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WO/1989/003732A1 |
A compression moulding tool comprises an upper part (3) and a lower part (2) connected by guides (4). A die (5) arranged in the lower part (3) of the tool co-operates with a force plug (6) arranged on the upper part (2) of the tool. The ...
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WO/1987/005838A1 |
The press comprises a flanging device (1) equipped with a retainer, a slide (5) with a gripping system (16) for the metal sheet and a rotary drive (37) for the latter. To reduce dead time and improve accuracy of flanging, the flanging de...
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WO/1987/003830A1 |
An edge-finishing device comprises a drive unit (L), a holder (M) and a notched tip (N). The tip combines a number of geometric features known as land radius (Y), flank faces (K), flank radii (I) and root radius (J). Typical useage of th...
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WO/1986/000102A1 |
A process designed to make it possible to manufacture a seal-holding profile, meant especially for the panels of industrial cubicles, and obtained from the same piece of plate metal. The profile obtained from this process is also describ...
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WO/1984/002667A1 |
A thin-walled hollow body open at one end, e.g. a metal can body (76), is given a terminal neck (74) by engaging a primary chuck nose (22) sealingly in the open end and pressurising the body internally to pre-stress it and hold it agains...
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WO/1983/003987A1 |
A roll edging machine for folding up a flange along the longitudinal edges of a sheet metal panel comprises two sets (16; 17) of pairs (18; 19) of driven forming rolls (18A, 18B; 19A, 19B) positioned at opposite longitudinal edges of a h...
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WO/1983/002077A1 |
A hand held tool for use by a panelbeater when folding over an edge of a metal sheet comprises a tool body (6) with a flat upper face (11) and a die block (13) which is reciprocally mounted for movement parallel to the upper face (11). T...
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