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| Number | Title | Issue Date |
| 8024950 | Vertical air compliant hemming head A hemming apparatus is provided for use with a robot in performing a hemming operation. The hemming apparatus comprises a support housing which mounts to a machine and has a pressurizable interior chamber having forward and rearward portions. A slide member includes... | 09/27/2011 |
| 7950260 | Hemming method and hemming apparatus A movable die 18 including a first groove 52 and a second groove 54 that extend in a direction in which hemming is performed is moved by a robot 22, and is positioned and set with respect to a wheel arch portion 16 in a vehicle ... | 05/31/2011 |
| 7870774 | Roller hemming apparatus and roller hemming method In an initial state of roller hemming processing, an erected flange 65 begins to be bent by a roller 48. At this time, a first plate 63 and a receiving face 15 are brought into tightly contact with each other at a contact point 70 ... | 01/18/2011 |
| 7637134 | Flanging with a leading and following flanging die A flanging device for beading a flanging web of a component part around a flanging edge. The flanging device includes a tool head; a first flanging die and a second flanging die which the tool head simultaneously bears, situated in a processing position, and one of ... | 12/29/2009 |
| 7424817 | Method of working recessed portion in headrest stay and press apparatus for working recessed portion in headrest stay In a method of working a recessed portion 2 in a headrest stay 32 which is provided in the stay portion 32 of the headrest stay 3 formed of a pipe, a recess 2′ is preformed by pressing against the stay portion 32 an outer ... | 09/16/2008 |
| 7370397 | Tool kit and method for repairing a damage vehicle body member with a hem flange A method and kit for repairing vehicle door skins by reorienting vehicle hem flanges from a closed orientation to an open orientation to allow removal of a damaged door skin from a door frame and replacing with a new door skin with an open orientation hem flange tha... | 05/13/2008 |
| 7353579 | Flange restoring device and method A method and a device for straightening out irregularities in a flange by pressing a roller against a first side of the flange while supporting an opposite side thereof to preserve the angle between the flange and the part when undergoing compression loading by way ... | 04/08/2008 |
| 7347072 | Sheet metal hem forming process A method for hemming an inner panel and an outer sheet metal panel together. The inner panel has an outwardly extending perimeter flange comprising an end surface, an inboard surface, and a beveled surface located between the end surface and the inboard surface. The... | 03/25/2008 |
| 7316142 | Metal spin forming head The present metal spin forming head includes two sets of rollers, with each set having a series of individual metal working rollers therein. The rollers of each set are circumferentially spaced evenly about the head, with each of the rollers of the second set being ... | 01/08/2008 |
| 7302842 | Method and device for measuring a path that has been covered A displacement measuring device measures a path of a moving object that can be displaced in a direction has at least one first component that is allocated to the moveable object and a second, stationary component. The components are interlinked for the purpose of co... | 12/04/2007 |
| 7290423 | Roller hemming apparatus and method Various embodiments of roller hemming apparatus and methods are disclosed including one wherein multiple rollers are carried on a single mount to hem a flange in a single pass, another including induction heating and air quenching means movable with a roller to anne... | 11/06/2007 |
| 7254973 | Roller tool and positional pressure method of use for the forming and joining of sheet material An apparatus and method for forming and joining a first sheet material (A) located in a nest (30) to a second sheet material (B) positioned on top of the first sheet material. The apparatus includes a positional pressure roller tool or positional pressure var... | 08/14/2007 |
| 7237416 | Robotic turntable drive arrangement in a robotic roller hemming system A robotic turntable drive arrangement in a robotic roller hemming system includes a turntable having a top plate and a lower frame. The top plate is rotatable about the lower frame. The turntable further includes a plurality of lock positions. The arrangement also i... | 07/03/2007 |
| 7163366 | Screw with two types of threads A screw includes a first thread on the shank and located close to the point of the shank, and a second thread which is connected to the first thread and extends toward the head of the screw. Each of the first and second threads includes an upper flank and a lower fl... | 01/16/2007 |
| 7152292 | Roller folding head A roller folding head is disclosed. Roller folding heads are used, for instance, when fixing the frame of a sliding roof in an opening in the roof of a vehicle. In order to do this quickly and automatically, the roller folding head is provided with at least two pair... | 12/26/2006 |
| 7124611 | Roller hemming machine A hemming machine having a nest adapted to support a part to be hemmed. A hold down is movable between a retracted position in which the hold down is spaced from the part and an extended position in which the part is sandwiched between the hold down and the nest and... | 10/24/2006 |
| 7059051 | Fluted roll and method for the manufacture thereof A method of manufacturing fluted rolls, in particular for corrugating machines, comprises the steps of providing a fluted-roll blank which has a central longitudinal axis and a longitudinal direction that is parallel thereto and a surface; providing a grinding devic... | 06/13/2006 |
| 7053480 | Integrated circuit with offset pins The invention relates to the fabrication and testing of a chip with a package (2) having connecting pins (1) as well as to mounting the package (2) on a board (5), whereby in order to combine the advantages of a package (2) with in... | 05/30/2006 |
| 7043952 | Method and apparatus for forming flange corners A flange corner forming apparatus includes a die having a planar upper surface upon which a workpiece may be supported and side surfaces intersecting at a flange forming corner. A workpiece clamps the workpiece securely against the die with the flange corner of the ... | 05/16/2006 |
| 6983633 | Apparatus for roll hemming with zero angle deflection A hemming tool providing a plurality of rollers for forming a hem flange. The rollers are disposed on an end effector that includes a pair of links that connect a tool support to a stationary bracket. The tool support and stationary bracket are shiftably mounted rel... | 01/10/2006 |
| 6976818 | Threaded fastener particularly suited for plastics A male threaded fastener particularly suited for use in plastics has a high thread and a low thread. Depressions are provided in the pressure flank of the high thread. Dimensional relationships are defined for scaling the fastener to commonly accepted sizes. ... | 12/20/2005 |
| 6974289 | Pressure flank screw and fastening system therewith A male threaded fastening member is provided with depressions in at least one or several helix wraps of the thread adjacent the head, the depressions extending inwardly from an edge of the thread at least part way toward a shank of the male fastening member. In a fa... | 12/13/2005 |
| 6810707 | Compressed-radius hem-forming process and tool A tool and process utilizing the tool for forming a compressed-radius hem on a sheet metal assembly is provided. A concave portion on the tool is formed by at least two surfaces that together define a cavity. A flange on the perimeter of an outer panel is initially ... | 11/02/2004 |
| 6792784 | Method and device for folding of ribbon cables The ribbon cable being folded is fixed with a first end, called the fixed end, on a folding table and guided with another end, called the manipulated end, by a handling device. The handling device brings the manipulated end into the position that it is supposed to h... | 09/21/2004 |
| 6715329 | Method and device for forming a corner limited on three sides, from a plate-shaped material with an even surface The invention relates to a method and a device for forming a corner bounded on three sides from a flat plate part, in particular sheet metal, whereby the side edges adjacent to the corner are folded back across a major part of their longitudinal extension parallel w... | 04/06/2004 |
| 6694793 | Process in joining In a process in roller folding a folding roller is moved against a workpiece. The urging force of the folding roller against the workpiece is resilient, and the folding roller moves in a path along the workpiece by means of a movement device provided with... | 02/24/2004 |
| 6561002 | Incremental forming method and apparatus for the same In a state in which a material (blank) cut in a predetermined shape is mounted on a die and the bottom of the material is supported by a seat, the material is pressed by a tool from above and the tool is moved along the die so that the material is increme... | 05/13/2003 |
| 6536092 | Plastic processing method of metal rod material There is disclosed a plastic processing method for easily shaping a tip end of a metal rod material such that a sectional area of the tip end gradually decreases. A metal rod material 3 is contained in a molding groove 2 which is disposed in a mold 1 and ... | 03/25/2003 |
| 6477879 | Method and apparatus for roller type processing In a prior art roller type processing apparatus for processing a workpiece by roll pressing a roller, the roller is roll-pressed at the same location a number of times. Thus, longer processing time is required compared to processing using pressing dies. I... | 11/12/2002 |
| 6425277 | Sheet metal hemming method and apparatus A sheet metal hemming method and apparatus for securing inner and outer sheet metal panels together by forming a generally flat hem along respective peripheries of the two panels. A fixture receives and holds an outer sheet metal panel that is formed to i... | 07/30/2002 |
| 6161410 | Multi-axis roller hemmer A multi-axis roller hemmer for forming at least a pre-hem of a flange area of a sheet metal panel having a roller engageable with the flange and movable about at least 3 axes to enable the roller to remain in contact with the flange along a substantial po... | 12/19/2000 |
| 6047585 | Apparatus for shaping workpieces An apparatus for shaping panel-shaped workpieces uses an hourglass-shaped roller as bending tool. The workpieces are clamped between a first and a second tool. The second tool has a holding-down surface. Superimposed vertical side surfaces of the tools ar... | 04/11/2000 |
| 5600995 | Useful improvements in press apparatus For use in forming apparatus having a die element and a roll platen element that have parallel, facing, flat, and preferably horizontal surfaces and each of which has an associated mounting structure, toggle assemblies to alter the distance between the fl... | 02/11/1997 |
| 5596896 | Methods and apparatus for effecting domain refinement of electrical steels Apparatus for effecting domain refinement of electrical steels comprises an assembly of an array of rotatable members (2) mounted within a supporting structure (3) and movable into direct contact with the surface of a strip or sheet of electrical steel to... | 01/28/1997 |
| 5404739 | Portable louver-forming tool A portable tool for forming louvers in a sheet metal work piece. The tool has a substantially C-shaped frame with an upper leg, a lower leg, and a body forming a throat in which the louvers are formed. A female die assembly is mounted on the lower leg of ... | 04/11/1995 |
| 5344508 | Flow forming of aluminum alloy products Rapidly solidified aluminum base alloy is flow formed into tubes and tubular components using conventional flow forming equipment. A preform of preselected configuration and wall thickness for either forward or back spinning is fabricated. Flow forming is... | 09/06/1994 |
| 5331834 | Rolling method and apparatus using planetary cross-rolls A rolling method and apparatus permits a long metal blank to be rolled across the width thereof at a high rolling speed. According to one specific embodiment of the method and apparatus, a sun roller is mounted to a machine stand, and a set of planetary r... | 07/26/1994 |
| 5228190 | Roller type hemming apparatus A roller type hemming apparatus for hemming a workpiece having a peripheral bent portion includes a hem roller rotated under pressure along the bent portion of the workpiece, a hem roller support adapted for displaceably supporting the hem roller, and a r... | 07/20/1993 |
| 5224253 | Apparatus for hemming a workpiece having an upturned edge A method and apparatus are presented for hemming a workpiece having an upturned edge, wherein the workpiece is composed of an outer panel having a peripheral upturned edge turned substantially at right angles, and an inner panel having a peripheral edge t... | 07/06/1993 |
| 5037024 | Method of splicing metal webs A method of splicing together metal webs for use in planography with the ends thereof being butted or lapped against each other. In the metal web splicing method, the ends of the metal webs are spliced together in a butted manner, the splice portion there... | 08/06/1991 |
