Cleaning device

Details Cleaning device Cleaning device

1989-08-22

1991-01-15

Rose, Robert A.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51429, 51439, 51410, B24C 900

Patent

active

049843966

ABSTRACT:
A cleaning device for impinging a cleaning material against a surface to be cleaned. The device comprises a cleaning head having a first nozzle flow passage to be positioned opposite to the surface, a second nozzle flow passage spaced away upstream from the first nozzle flow passage, a re-impinged cleaning material inflow passage and an outflow passage. The cleaning device further comprises means for feeding a pressure fluid stream containing the cleaning material to the second nozzle flow passage, means for sucking a fluid from the outflow passage, and means for returning the cleaning material impinged against said surface from the first nozzle flow passage to the re-impinged cleaning material inflow passage.

REFERENCES:
patent: 818776 (1906-04-01), Murray
patent: 3925935 (1975-12-01), Ricklefs
patent: 4149345 (1979-04-01), Atsuchi
patent: 4563840 (1986-01-01), Urakami

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