Surface abrasive treatment of small objects
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United States of America Patent
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-
Jan 3, 1995
Grant Date -
N/A
app pub date -
Aug 6, 1992
filing date -
Jul 1, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for use and a method of abrading small objects to remove surface material from such small objects, the apparatus including a chamber and an abrasive moving bottom that passes under a transverse wall of the chamber having an inlet and outlet for the abraded objects, recirculating the objects in the chamber and a lid for applying pressure on the recirculating objects to press them adjacent the bottom against the bottom; with the method comprising supplying the small objects to the chamber, recirculating the objects and applying pressure against the objects adjacent the bottom against the bottom against the bottom of the chamber and removing the abraded objects from the chamber outlet.
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