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| Number | Title | Issue Date |
| 6360643 | Blade assembly for shear The present invention relates to a shear blade assembly for a shearing system. The shear blade assembly includes an upper shear blade and a lower shear blade. The top surface of the lower shear blade is inclined downwardly at an angle of between 0.2 and 0... | 03/26/2002 |
| 6161460 | Bearing assembly for shear The present invention relates to a shearing system. The shearing system includes a die assembly having linear bearings and guide rails for guiding movement of the upper die shoe. Gas springs return the die shoe to the open position.... | 12/19/2000 |
| 6070781 | System for bringing the joint edges of sheet material into butting relationship for welding A system for bringing the joint edges of first and second sheet metal components into butting relationship. The components are clamped in opposing clamping assemblies with one of the assemblies being movable toward and away from the other. A fluid motor i... | 06/06/2000 |
| 5951889 | System and method for laser welding A system and method for laser welding. The joint edges of two adjacent sheet metal components are brought into butting relationship on a weld line. A welding head is moved along the weld line while directing a laser welding beam downwardly from its optics... | 09/14/1999 |
| 5932117 | Clamping system for sheet material in a welding system A system for clamping a sheet metal component in preparation for welding or the like. A clamping assembly includes a horizontally elongated lower clamping platen and a horizontally elongated upper clamping platen positioned over said lower platen. The upp... | 08/03/1999 |
| 5926967 | System for gauging the position of joint edges for welding A system for gauging the relative positions of two opposing joint edges on sheet metal components prior to welding. The system comprises a gauging assembly including two pairs of gauging pins which are movable between a retracted position and a gauging po... | 07/27/1999 |
| 5901627 | Apparatus and method for shearing material The present invention relates to shearing apparatus, and method of operating the same. The apparatus may include a plurality of spring clamping members positioned longitudinally along a first die shoe, the clamping members positioned in raised stepped seq... | 05/11/1999 |
| 5814786 | System and method for laser butt-welding The present invention relates to a system for welding a joint edge of a first sheet metal component to a joint edge of a second sheet metal component to form a weld joint. The system includes a gauging sub-system which positions each joint edge at a desir... | 09/29/1998 |
