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| Number | Title | Issue Date |
| 7234584 | System for transporting substrate carriers In a semiconductor fabrication facility, a conveyor transports substrate carriers. The substrate carriers are unloaded from the conveyor and loaded onto the conveyor without stopping the conveyor. A load and/or unload mechanism lifts the substrate carriers from the ... | 06/26/2007 |
| 6942553 | Portable automated sharpening apparatus for an operational reel blade mechanism A portable automated sharpening apparatus is structured to sharpen one or more of a plurality of blades of an operational reel blade mechanism, the apparatus including a sharpening assembly with a sharpening element movably interconnected to a sharpening motor. The ... | 09/13/2005 |
| 6171176 | Method of effecting a precision saw-toothed grinding on the surface of a given workpiece Disclosed is an improved method of forming a series of hills and valleys alternately arranged at a predetermined pitch on the surface of a given workpiece. It comprises the steps of: carrying out a first grinding on the workpiece with a saw-toothed grinds... | 01/09/2001 |
| 4557074 | Method and apparatus for grinding undulate cutting edges of knives in tobacco cutting machines The undulate cutting edges of knives on a rotary knife holder in a tobacco shredding machine are ground by a grinding wheel whose profile is complementary to that of the cutting edges and which is moved stepwise in parallelism with the axis of the holder ... | 12/10/1985 |
