Circumferential pattern finishing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 23, 1993
Grant Date -
N/A
app pub date -
Feb 2, 1990
filing date -
Feb 2, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disc finishing machine comprising an annular upper platen, lower platen, a center driving ring, a plurality of a clamping guide rollers, a plurality of stationary guide rollers, a clamping guide roller, and stationary guide roller perpendicularly attached to one of a plurality of a roller stanchions. The polishing machine capable of imparting a circumferential pattern on a plurality of disc-shaped work pieces.
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Cited Art Landscape
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