Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-08-27
1977-08-02
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51439, 51322, B24C 100, B24C 700
Patent
active
040387860
ABSTRACT:
Effective utilization of pellets of material capable of subliming under conditions of use in a sandblasting process in which such pellets are propelled against a surface by a stream of pressurized gas requires careful control of a number of interrelated factors. When the process is employed for the purpose of removing material from a surface the pellets used should preferably have sharp edges and corners. Further, they should be employed so that they will hit against such a surface as rapidly as reasonably possible. Preferably these pellets are both agitated and subjected to alpha radiation as they are held prior to being entrained into a stream of moving gas and as they are introduced into such a stream. Further, preferably the particles are discharged against the surface being treated through a so-called "sonic nozzle" so as to maximize their momentum as they are directed toward the surface being treated. It is considered that all of these expedients should be used together in obtaining preferred results with the invention.
REFERENCES:
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patent: 3110983 (1963-11-01), Moore
patent: 3137101 (1964-09-01), Leliaert
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patent: 3324605 (1967-06-01), Lester
patent: 3422580 (1969-01-01), Balz
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patent: 3864602 (1975-02-01), Feder
Corber Billy G.
Lockheed Aircraft Corporation
O'Brian Edward D.
Smith Gary L.
Turner Lowell G.
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