Portable chamfering grinding device

Details Portable chamfering grinding device Portable chamfering grinding device

1978-03-14

1980-06-03

Simpson, Othell M.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 73R, 408291, 408227, B24B 2302, B23B 516

Patent

active

042054931

ABSTRACT:
A portable chamfering grinding device for chamfering the end of a metal tube comprising an abrasive wheel and a portable pneumatic motor capable of rotating the wheel at greater than 10,000 r.p.m., the wheel including a diverging frustoconical portion having an inner grinding surface at an angle of about 37.5.degree. to the axis of the wheel for receiving and grinding the end of the metal tube. The inner grinding surface has eight raised, substantially trapezoidal grinding portions thereof to provide cutting edges and reduce shaking and slipping during grinding of the metal tube end.

REFERENCES:
patent: 1946416 (1934-02-01), Seiler
patent: 2133612 (1938-10-01), Gallivan
patent: 2363102 (1944-11-01), Wachowitz
patent: 2760313 (1956-08-01), Harvey
patent: 2922218 (1960-01-01), Lewis
patent: 3168799 (1965-02-01), Johnson
patent: 3228268 (1966-01-01), Strout
patent: 3335526 (1967-08-01), Weiss
patent: 3754832 (1973-08-01), Stickler
patent: 3817649 (1974-06-01), Medney
patent: 3896593 (1975-07-01), Rine
patent: 3976388 (1976-08-01), Webb
patent: 4037367 (1977-07-01), Kruse

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