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Class Information
Number: 451/207
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Opposed abrading tools > Roller work feed
Description: Abrading machine in which the workpiece is forwarded between the abrading tools by feed-rollers.

Sub-classes under this class:

Class Number Class Name Patents
451/208 Blade sharpener 7

Patents under this class:

Patent Number Title Of Patent Date Issued
6966816 Integrated endpoint detection system with optical and eddy current monitoring Nov. 22, 2005
6447386 Presser roll for surface planner Sep. 10, 2002
6416382 Bilateral automatic machine for edge-machining plates of glass, stone-like materials and the like Jul. 9, 2002
6149499 Polishing apparatus and polishing method Nov. 21, 2000
5643063 Clamping mechanism for a powered sander Jul. 1, 1997
5595524 Grinding apparatus and method which supports a workpiece on the surface being ground Jan. 21, 1997
5464363 Polishing stack for thermoplastic films or sheets Nov. 7, 1995
5313745 Tread edge grinding method and apparatus May. 24, 1994
5087319 Apparatus for continuous manufacture of laminates Feb. 11, 1992
4502250 Grinding apparatus Mar. 5, 1985
4047470 Machine for working metal surface Sep. 13, 1977
4036105 Machine for edge forming of sheets for welding Jul. 19, 1977

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