Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1992-07-31
1993-01-26
Rachuba, M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51170R, 51427, 51436, 51439, B24C 300
Patent
active
051813491
ABSTRACT:
A symmetrically balanced unitary portable self-contained tool, suitable for single-hand operation, for ejecting a stream of granular particles toward a target sit combines a supply hopper containing the granular particles, a portable propellant container carrying compressed propellant liquid, a propellant release valve delivering propellant from the container via a constricted Venturi orifice to a mixing chamber positioned above the uppermost level of particles in the hopper, a delivery conduit connecting the lower portion of the supply hopper to the mixing chamber, and a nozzle connected to deliver a stream of granular particles aspirated from the supply hopper through the mixing chamber by the negative pressure differential created at the Venturi orifice.
REFERENCES:
patent: 2108545 (1938-02-01), Minich
patent: 2441441 (1948-05-01), Paasche
patent: 2574578 (1951-11-01), Martinet
patent: 3032929 (1962-05-01), Glesener
patent: 4090334 (1978-05-01), Kurowski et al.
patent: 4333277 (1982-06-01), Tasedan
Rachuba M.
Sandair Nevada, Inc.
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