Vacuum rasp

Details Vacuum rasp Vacuum rasp

1987-03-27

1988-08-30

Parker, Roscoe V.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51273, B24B 2300

Patent

active

047667010

ABSTRACT:
A hand-powered vacuum abrading apparatus having a housing within which a partial vacuum is established, the bottom of the housing comprising an abrading work surface, including a plurality of downward facing openings for receiving air and abraded particles from the surface being abraded into the housing, the abrading surface including abrading elements which extend below a substantial portion of the openings, the apparatus including a grip for hand pressing it against and moving it across the work surface.

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patent: 4215473 (1980-08-01), Elmore
patent: 4328645 (1982-05-01), Sauer
patent: 4616449 (1986-10-01), Marton
patent: 4680895 (1987-07-01), Roestenberg

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