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Class Information
Number: 451/74
Name: Abrading > Machine > Graining box
Description: Abrading machine comprising an open work receiving receptacle containing loose abrasive material overlying or underlying the work and which by relative movement of the work or the receptacle, or both, is caused to produce, upon a face of the work, a grained surface suitable for surface printing.

Patents under this class:

Patent Number Title Of Patent Date Issued
6776688 Real-time polishing pad stiffness-control using magnetically controllable fluid Aug. 17, 2004
6210258 Vibrational finishing assembly Apr. 3, 2001
5863883 Slurry cleaning process Jan. 26, 1999
5743790 Vibrating abrasive cleaning apparatus and method Apr. 28, 1998
5580300 Method and apparatus for surface polishing Dec. 3, 1996
5577948 Magnetorheological polishing devices and methods Nov. 26, 1996
5487696 Apparatus for polishing medals for game machine and for separating abrasive therefrom Jan. 30, 1996
5460566 Vibrating abrasive cleaning apparatus and method Oct. 24, 1995
5449313 Magnetorheological polishing devices and methods Sep. 12, 1995
4851091 Process for producing support for lithographic printing plate Jul. 25, 1989
4036130 Intaglio printing plate manufacture Jul. 19, 1977

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