Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-03-30
1991-04-09
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51227H, B24B 1900, B24B 500
Patent
active
050053205
ABSTRACT:
An elongated object in need of tapering at an end thereof is secured by holder means which comprises a ball bearing that rotates the elongated object and the holder means together by means of contact with a rotating grooved ring disposed upon a rotating polishing surface, wherein the rotating ring and the holder means are restrained from translational motion by a guiding means.
REFERENCES:
patent: 1287224 (1918-12-01), Canary
patent: 1464203 (1923-08-01), Hutchinson
patent: 1851229 (1932-03-01), Wright
patent: 2264593 (1941-12-01), Stainbrook
patent: 4831784 (1989-05-01), Takahashi
Dautremont James H.
E. I. Du Pont de Nemours and Company
Schmidt Frederick R.
Shideler Blynn
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