Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1992-04-28
1993-12-21
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51421, 51424, 51439, 51319, B24C 308
Patent
active
052711889
ABSTRACT:
Described herein is a powder blasting apparatus for abrasion treatments, which is capable of treating a number of works concurrently and progressively with blasts of a high pressure gas and fine powder mixture in an efficient manner to shorten the so-called tact time.
The powder blasting apparatus is provided with a plural number of work tables 21 to 23 arrayed at uniform intervals in the longitudinal direction of the apparatus for reciprocating movements between first and second stop positions. Blast nozzles 38 to 40 are located between the first and second stop positions of the respective work tables to blast a mixture of high pressure compressed air and fine powder against a work on each one of the work tables simultaneously for an etching, boring or piercing treatment. Work transfer heads 48 and 49 are located in a position corresponding to the second stop position of a first one of two adjacently located work tables or the first stop position of the other or second work table to pick up a work on the first work table at the second stop position and place the work on the second work table at the first stop position, thereby successively transferring the work to a forwardly located work table while subjecting same progressively to abrasion treatments by the respective blast nozzles.
REFERENCES:
patent: 2195810 (1940-04-01), Bower
patent: 3604157 (1971-09-01), Fogle
patent: 4738056 (1988-04-01), Suzuki
patent: 4783904 (1988-11-01), Kimura
patent: 5182882 (1993-02-01), Brodene et al.
Kananen Ronald P.
Kisliuk Bruce M.
Morgan Eileen P.
Sony Corporation
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