Abrading – Flexible-member tool – per se – Interrupted or composite work face
Reexamination Certificate
2007-07-06
2009-02-24
Nguyen, Dung Van (Department: 3723)
Abrading
Flexible-member tool, per se
Interrupted or composite work face
C451S539000
Reexamination Certificate
active
07494404
ABSTRACT:
Polishing tools and associated methods are disclosed. In one aspect, a tool for polishing a work piece is provided. Such a tool may include a solid substrate with a greater than 10 wt % graphite having a high degree of graphitization. The solid substrate may have a working surface which has asperities having a tip-to-tip RA value of less than or equal to about 10 μm, and the working surface may have a surface roughness RA value of less than or equal to about 50 μm. A method for making such a tool and a method for polishing a work piece are also presented.
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Nguyen Dung Van
Thorpe North & Western LLP
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