Method and apparatus for material removal

Details Method and apparatus for material removal Method and apparatus for material removal

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.

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