Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1998-05-14
2000-01-11
Spisich, Mark
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 883, 15102, B08B 500, B08B 1100
Patent
active
060121939
ABSTRACT:
Both the front and rear surfaces and side of a disc-shaped workpieces W transferred along a transfer path 2 are washed by forward-rotating rollers 15a that contact the workpieces while rotating in a forward direction and backward-rotating rollers 15b that contact the workpieces while rotating in a backward direction, the respective types of rollers being located on the respective sides of the transfer path.
REFERENCES:
patent: 1817332 (1931-08-01), Worrall
patent: 2313606 (1943-03-01), Webb et al.
patent: 3213472 (1965-10-01), Cocchiaraley et al.
patent: 4774738 (1988-10-01), Lenhardt
patent: 5311634 (1994-05-01), Andros
patent: 5351360 (1994-10-01), Suzuki et al.
patent: 5675856 (1997-10-01), Itzkowitz
patent: 5806137 (1998-09-01), Ishi et al.
Inoue Yusuke
Yashiki Hiroshi
Snider Theresa T.
Speedfam Co., Ltd.
Spisich Mark
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