Apparatus and method for cleaning stone and metal surfaces

Details Apparatus and method for cleaning stone and metal surfaces Apparatus and method for cleaning stone and metal surfaces

1987-07-21

1991-07-30

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

239403, 239433, B24C 504

Patent

active

050350900

ABSTRACT:
The invention relates to a method and apparatus for cleaning stone and metal surfaces by means of a cleaning jet consisting of water, a proportion of air substantially higher by volume and sharp-edged blast material particles. The jet generated in a chamber is set in a rotation such that jointly with the expansion of the air contained therein said jet comprises a relatively wide conical cross-section. This jet permits careful but thorough cleaning of stone and metal surfaces.

REFERENCES:
patent: 2999647 (1961-09-01), Sosnick
patent: 3871583 (1975-03-01), Kellert
patent: 4043766 (1977-08-01), Gernhardt
patent: 4666083 (1987-05-01), Yie
patent: 4711056 (1987-12-01), Herrington

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