Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-04-25
1991-04-16
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
180164, 51410, 114222, 15 52, 15 98, B24C 306, B24B 2300
Patent
active
050072102
ABSTRACT:
A device comprising a main body and vibration generating means mounted on the main body. The vibration generating means imparts a force in a direction away from a wall surface and a force in a predetermined direction along the wall surface to the main body of the device. As a result, the main body is moved along the wall surface by the above force in the predetermined direction along the wall surface.
REFERENCES:
patent: 2766557 (1956-10-01), Pollard
patent: 4095378 (1978-06-01), Urakami
patent: 4688289 (1987-08-01), Urakami
patent: 4934475 (1990-06-01), Urakami
Schmidt Frederick R.
Shideler Blynn
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