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| Number | Title | Issue Date |
| 8166788 | Lip-rolling and flanging tool for bending back or widening fender-wheelwell edges A lip-rolling and flanging tool for bending back and/or widening fender-wheelwell edges of motor vehicles, the tool having a flanging roll (46) that is attached through a telescoping tube arrangement (10) to an affixing flange (4) mountable on a... | 05/01/2012 |
| 8166787 | System for manufacturing linear gear and the method thereof The present invention relates to a system for and a method of manufacturing a linear gear (rack gear), in which a forming roll and a guide roll are used to form gear teeth in a sequential manner so as not to require a high load, thereby enabling to easily manufactur... | 05/01/2012 |
| 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 |
| 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 |
| 7204116 | Flanging apparatus for roller hemming A flanging apparatus for use in roller hemming with a robotic hemming roller and a roller hemming anvil having a peripherally disposed hemming surface includes a tool insert having a flanging surface including a peripherally disposed flanging edge of a shape general... | 04/17/2007 |
| 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 |
| 7152447 | Roller type hemming apparatus A roller type hemming apparatus includes a support member having a slide bore. A ball screw extends through the support member into the slide bore. A bearing is engaged with the ball screw inside the slide bore. The apparatus further includes a guided slide member h... | 12/26/2006 |
| 6952977 | Weight compensation device A robot is provided with a robot weight compensation device having at least one hose element including an internally pressurized gas-tight inner hose portion cooperating with a high tensile strength outer portion. The high tensile strength outer portion includes non... | 10/11/2005 |
| 6672121 | Flat pinch hemming of aluminum panels A method is disclosed for forming a hem flange in an aluminum alloy sheet during the forming of the sheet into a panel that is intended to be attached to a second panel by hemming. The hem flange is formed by fluid pressure over a small radius tool portio... | 01/06/2004 |
| 6640599 | Tool for automatic roll folding A folding tool for automatic roll folding comprises a first member (2) which is fixed to a manipulator, and a second member (3), which is rotatably connected to the first member (2). The second member (3) includes a first folding roller (4). A spring is d... | 11/04/2003 |
| 6622379 | Lift cam mechanism for electronic parts mounting apparatus An electronic parts-mounting apparatus including a rotating vertical shaft and at least one mounting head arranged around the vertical shaft has a lift cam mechanism that operates to lift and lower an associated one of the at least one mounting head as ea... | 09/23/2003 |
| 6484388 | Sequential roll-forming process for a stator A process to perform a flaring operation on a rotating electrical device (stator) designed with a number of these spaced axially oriented splines around its perimeter. The design of the stator requires that these perimeter splines possess a flared outer e... | 11/26/2002 |
| 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 |
| 6012214 | Folding machine In order to improve a folding machine for joining the edges of two sheet-metal parts forming an angle between them by means of a folding procedure, comprising a machine frame, a folding carriage movable on the machine frame by a drive in a guide means ext... | 01/11/2000 |
| 5732585 | Portable hand operated sheet metal tool A hand held, sheet metal forming tool for siding installation. A main frame comprises a base and an integral, semi-circular, ambidextrous handle. The operator simply pushes the tool along siding to bead or form it by grasping either end of the handle with... | 03/31/1998 |
| 5507165 | Hemming fixture A device for prehemming at least a portion of an upstanding flange of a sheet metal panel which has a tapered roller which is moved into engagement with the flange while moving the roller along the flange with its axis of rotation disposed in a path which... | 04/16/1996 |
| 5488849 | Rolling and flanging tool to bend back and/or widen fender-wheel well edges The invention concerns a rolling and flanging tool to bend back and/or widen fender-wheelwell edges of motor vehicles. To carry out the bending back and/or widening of fender-wheelwell edges in simpler and more uniform manner and without risk of damage to... | 02/06/1996 |
| 5351516 | Rail repair device An adjustable elevator rail repair device (14) is provided with a means for forcing raised damaged areas (18) of an elevator rail (10) back into the corresponding depressions (20) of the rail surface (9). The forcing means comprises a roller (24) rotatabl... | 10/04/1994 |
| 5189784 | Apparatus for forming seams in box-shaped members A method and apparatus for forming the locking bend on a Pittsburgh type seam used in joining the sections during assembly of box-shaped sheet metal ducts. The apparatus provides a means for securely holding the duct without the use of a mandrel to permit... | 03/02/1993 |
| 4989308 | Bidirectional roof seaming machine A roof seaming machine has symmetrically arranged forming rolls and a reversible permanent magnet motor for operation of the machine in either a forward or reverse direction. Adjustable linkage connects the forming rolls with an articulated handle for mov... | 02/05/1991 |
| 4935071 | Baking of lithographic plates The tendency of lithographic plates to buckle during baking under top heat with the result that the heat treatment is not uniform to minimised by passing the plates through an oven on a conveyor belt which inclines upwardly over part of its path and then ... | 06/19/1990 |
| 4580715 | Method and apparatus for making a water-tight radiator element The open ends of a flat tube are closed by rolling together the edge portions of the wide, opposing sidewalls of the tube by means of two flanging rolls successively guided over these edge portions in opposite directions. One of the flanging rolls makes a... | 04/08/1986 |
| 4562721 | Machine for folding sheet metal blanks The invention relates to a machine for folding sheet metal blanks. For folding a sheet metal blank, there is provided at least one folding member having a folding surface and being driven by an eccenter to perform a reciprocating beat movement. The sheet ... | 01/07/1986 |
| 4284022 | Bending apparatus An apparatus used for forming lips by outwardly bending the end of a metal plate which may be joined with the bent end of another plate so as to form a duct used for an air-conditioning ventilation system. The end to be bent is reinforced with a continuou... | 08/18/1981 |
| 3964287 | Apparatus for forming a groove and back-up dam for welds An apparatus for forming an elongated groove and contiguous dam on a member, such as the push plate of a bulldozer blade, comprises a pair of support and guide assemblies defining a space therebetween. The member is fed through the space and a forming rol... | 06/22/1976 |
