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| Number | Title | Issue Date |
| 6749492 | Rotary sanding machine with a dust collecting mechanism A rotary sanding machine includes a driven wheel coupled to a transmission shaft which is driven by a motor so as to actuate an emery coated belt for sanding. A barrier wall is disposed to hold back dust flying during sanding action to permit the dust to fall into a... | 06/15/2004 |
| 6668816 | Concrete stone texturing machine, method and product A concrete stone texturing machine, method and a stone having an irregular rough surface resembling a real stone face is described. The machine conveys concrete stones having opposed flat surfaces to a pitching station having at least one pair of opposed ... | 12/30/2003 |
| 6206763 | Deburring machine A brush deburring machine includes upper and lower synchronized dogged conveyors that translate workpieces between a pair of cylindrical wire brushes to remove burrs from the ends of the workpieces. A first support surface is defined on each of the dogs o... | 03/27/2001 |
| 6113753 | Systems and methods for making a magnetic recording medium on a flexible metal substrate A method is provided for processing a metal foil sheet to produce magnetic recording media. The method comprises providing an elongate metal foil sheet having a first side and a second side. The sheet is advanced through a plurality of processing stations... | 09/05/2000 |
| 5997388 | Apparatus for removing marks from integrated circuit devices A de-marking apparatus and method are provided for de-marking a marked packaged integrated circuit (IC). The de-marking apparatus comprises a de-marking head for removing a thin layer of material from the marked surface. The apparatus may also include mec... | 12/07/1999 |
| 5921851 | Sphere polisher A sphere polisher capable of making uniform conditions under which balls are polished is provided. The inner and outer polishing circuits are defined by the grooves 23 provided on the rotative disc 10 and the fixed disc 20. The storage conveyor 50 is prov... | 07/13/1999 |
| 5518438 | Apparatus and method for grinding needle workpieces An apparatus for grinding tapered points on needles is disclosed. The apparatus has a frame and a transport associated with the frame for transporting a plurality of needles. The transport has a predetermined curvature and a feeder is mounted adjacent the... | 05/21/1996 |
| 5353550 | Steel ball polishing apparatus A steel ball machining apparatus comprises a cylindrical ball storing vessel having an opening, a steel ball machining mechanism, a steel ball supply path for supplying steel balls to said machining mechanism from the opening in said vessel, a steel ball ... | 10/11/1994 |
| 4674238 | Lead frame handling apparatus for blasting machine A guiding and transporting arrangement employs opposed guide rails which have longitudinally extending guide structure associated therewith for slidably accommodating a lead frame between the guide rails, which guide rails are slidably supported on transv... | 06/23/1987 |
