Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1992-12-07
1994-08-30
Seidel, Richard K.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51321, 51322, 51439, 83 53, 83169, 83177, B24C 100
Patent
active
053416082
ABSTRACT:
A method and apparatus that allows the removal of solid material from a workpiece utilizes a high velocity stream of ice which is caused to impinge on the workpiece. A working liquid, such as water, is supplied at high pressure to a discharge nozzle with an orifice for forming the needle-like stream. The water is cooled before it reaches the nozzle to a temperature below its freezing point so that at least some of the stream is transformed to ice. Optionally, the stream is cooled after it is emitted from the orifice by flowing an envelope of cryogenic gas around the emitted stream.
REFERENCES:
patent: 4829859 (1989-05-01), Yankoff
patent: 5009240 (1991-04-01), Levi
patent: 5165602 (1992-11-01), Arnout et al.
patent: 5222332 (1993-06-01), Mains, Jr.
Seidel Richard K.
Woods Raymond D.
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