US PATENT SUBCLASS 451 / 254
.~.~.~.~.~ Disk or wheel abrader

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
177  DF  .~ Rotary tool {3}
178  DF  .~.~ Rotary cylinder {11}
242  DF  .~.~.~ Work rotating {5}
246  DF  .~.~.~.~ Rotary work holder {9}
254.~.~.~.~.~ Disk or wheel abrader {1}
255  DF  .~.~.~.~.~.~> Lens abrader

DEFINITION

Classification: 451/254

Disk or wheel abrader:

(under subclass 246) Abrading machine especially adapted for the grinding of a flat, circular plate or circular ring.

SEE OR SEARCH THIS CLASS, SUBCLASS:

142, for a roll grinder.

146, 258, and 290, for a disk or wheel abrading machine.

348, and 424+, for a roll or wheel grinder.