Perforated sanding disc

Details Perforated sanding disc Perforated sanding disc

2006-09-19

2006-09-19

Rose, Robert A. (Department: 3723)

Abrading

Frame or mount

Portable abrader

C451S526000, C451S456000

Reexamination Certificate

active

07108594

ABSTRACT:
Abrasive discs for use with orbital sanders having dust extractor systems are provided in which the discs have an annular perforated zone intermediate between the center and the circumference of the disc in a location corresponding to the location of dust extractor ports in the cooperating backup pad.

REFERENCES:
patent: 2814171 (1957-11-01), Bogart
patent: 3754359 (1973-08-01), Scandaletos
patent: 4287685 (1981-09-01), Marton
patent: 5309682 (1994-05-01), Gutknecht et al.
patent: 5807161 (1998-09-01), Manor et al.
patent: 5810650 (1998-09-01), Jost
patent: 5989112 (1999-11-01), Long
patent: 2340801 (1977-09-01), None

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