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Class Information
Number: 451/208
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Opposed abrading tools > Roller work feed > Blade sharpener
Description: Abrading machine especially adapted to sharpen the edge of a cutting member.

Patents under this class:

Patent Number Title Of Patent Date Issued
7220169 Sharpening apparatus May. 22, 2007
6722963 Apparatus for chemical-mechanical planarization of microelectronic substrates with a carrier and membrane Apr. 20, 2004
5700184 Dental instrument sharpening system Dec. 23, 1997
5688161 Method and apparatus for sharpening and cleaning scalloped-edged blades Nov. 18, 1997
5435771 Method and apparatus for sharpening scalloped-edge blades Jul. 25, 1995
4265055 Method and apparatus for forming a razor blade edge May. 5, 1981
4175930 Method for finishing surfaces of non-magnetic articles by means of ferromagnetic abrasive powder in magnetic field Nov. 27, 1979

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