Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1988-09-28
1990-07-17
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51427, 51436, 51439, 433 88, 433100, B24C 700, B24C 502
Patent
active
049412981
ABSTRACT:
Disclosed herein is an apparatus for abrading, etching, polishing and cleaning metallic or non-metallic surfaces that operates through mechanical sandblasting principles. The present invention is embodied in an apparatus for abrading, etching or polishing a surface with a jet stream containing a mixture of solid particles and a gaseous medium. The apparatus comprises a hollow tubular handle with a nozzle at one end for dispensing the mixture of a solid material and a gaseous medium, and a compressed air and pulverulent material receiving member at the other end of the handle. The nozzle section of the apparatus contains a mixing chamber where a vacuum is created by the flowing pressurized gaseous medium, the pressure gradient results in aspiration of the solid material which mixes with and becomes entrained in the gaseous medium flow and passes through the nozzle tip. The pulverulent material is contained in a small rear reservoir secured to a pick-up apparatus which is meshed with a supply receiving member and is located at the opposite end of the apparatus from the nozzle tip.
REFERENCES:
patent: 2133149 (1938-10-01), Poncelet
patent: 2577465 (1951-12-01), Jones
patent: 2641087 (1953-06-01), Greiser
patent: 2696669 (1954-12-01), Ikse
patent: 2744361 (1956-05-01), Larson et al.
patent: 3164153 (1965-01-01), Zorzi
patent: 4369607 (1983-01-01), Bruggeman et al.
Blake Thomas S.
Fernwood Mark
Lavinder Jack W.
Schmidt Frederick R.
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