Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1987-06-29
1989-01-17
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51358, 51382, 51383, 51384, 51387, B24D 908
Patent
active
047980257
ABSTRACT:
A support for an abrasive disc which includes a flat base, an upstanding annular rim and preferably four retainers mounted to the base within the rim and biased toward the rim to grip and retain the disc. The disc may be released by depressing cables connecting opposed diametrical pairs of retainers to withdraw the retainers.
REFERENCES:
patent: 2641878 (1953-06-01), Radabaugh
patent: 3226888 (1966-01-01), Erenyi
Lokken Roger C.
Young John B.
Anderson David W.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Rachuba Maurina
Schmidt Frederick R.
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