Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-08-28
1992-06-09
Rachuba, M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
511641, B24B 3102
Patent
active
051195976
ABSTRACT:
A centrifugal disk finishing apparatus comprising a finishing chamber including an upstanding wall and a rotatable disk forming the bottom wall of the chamber. The disk is mounted in such a manner that a precision gap, known as a seal, is provided between the lower edge of the upstanding wall and the periphery of the disk. The seal extends upwardly and inwardly from the periphery of the disk. The construction of the wall and the support of the wall and disk is such that the disk and wall are rigidly maintained in concentric relation in all conditions of operation and load and therefore the liquid utilized in the finishing apparatus can flow readily through the seal during operation of the apparatus.
REFERENCES:
patent: 4096666 (1978-06-01), Brown
patent: 4177608 (1979-12-01), Balz
patent: 4850151 (1989-07-01), Ditscherlein
patent: 4884372 (1989-12-01), McNeil
patent: 4958776 (1990-09-01), Walther
(English translation) Iwase, Japanese Patent Application Disclosure 58-59762, Apr. 8, 1983.
Copy of U.S. Pat. 4,884,372, FIG. 2, McNeil Dec. 5, 1989 filed Oct. 6, 1987 .
Rachuba M.
The Grav-I-Flo Corporation
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