Polishing tool and polishing apparatus

Details Polishing tool and polishing apparatus Polishing tool and polishing apparatus

2005-03-15

2005-03-15

Hail, III, Joseph J. (Department: 3723)

Abrading

Abrading process

Glass or stone abrading

C451S028000, C451S285000, C051S298000

Reexamination Certificate

active

06866565

ABSTRACT:
A polishing tool is used for polishing a workpiece in a state such that the workpiece is pressed against and brought into sliding contact with the polishing tool. The polishing tool is formed of thermoplastic resin having an average glass transition temperature (Tg) ranging from 270 K to 400 K. The thermoplastic resin includes a first phase having a low glass transition temperature (Tg) of 320 K or lower within a range of from 10 weight % to 90 weight %, and a second phase having a high glass transition temperature (Tg) of 320 K or higher within a range of from 90 weight % to 10 weight %.

REFERENCES:
patent: 4927432 (1990-05-01), Budinger et al.
patent: 5830045 (1998-11-01), Togawa et al.
patent: 6126532 (2000-10-01), Sevilla et al.
patent: 6325703 (2001-12-01), Cook et al.
patent: 6626740 (2003-09-01), Baker et al.
patent: 10-202536 (1998-08-01), None

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