Abrading – Abrading process – Tumbling
Reexamination Certificate
2011-01-18
2011-01-18
Morgan, Eileen P. (Department: 3723)
Abrading
Abrading process
Tumbling
C451S035000, C451S327000, C451S328000
Reexamination Certificate
active
07871307
ABSTRACT:
A fluid barrel-polishing device comprises a cylindrical fixed tank (1) and a turntable (2) that is located at the bottom of the tank (1) with a gap (3) that allows it to rotate horizontally, and wherein when workpieces and media are thrown in the fixed tank (1) and the turntable (2) is rotated horizontally, the workpieces and the media circulate and form themselves into a mass (M) and thereby the workpieces are polished, wherein an inner cylinder (4) is rotatably or fixedly placed coaxially on the center of the rotation of the turntable (2) and it allows the workpieces in the mass (M) to be polished with the inside of the mass (M) contacting the wall of the inner cylinder (4) and with its outside contacting the wall of the fixed tank (1).
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Suesuga Hiroaki
Watanabe Masatomo
Morgan Eileen P.
Sintokogio Ltd.
Sunstein Kann Murphy & Timbers LLP
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