Method and apparatus for cutting, abrading, and drilling with su

Details Method and apparatus for cutting, abrading, and drilling with su Method and apparatus for cutting, abrading, and drilling with su

1995-08-11

1998-03-31

Smith, James G.

Abrading

Abrading process

Utilizing fluent abradant

451102, 451 75, B24B 100, B24C 100

Patent

active

057331740

ABSTRACT:
A gas delivery system provides a first gas which is in a liquid state under extreme pressure and in a gaseous state under intermediate pressure. A particle delivery system provides a slurry comprising the first gas in a liquid state and a second gas in a solid state. The second gas is selected so that it will solidify at a temperature at or above the temperature of the first gas in a liquid state. A nozzle assembly connected to the gas delivery system and to the particle delivery system produces a stream having a high velocity central jet comprising the slurry, a liquid sheath surrounding the central jet comprising the first gas in a liquid state and an outer jacket surrounding the liquid sheath comprising the first gas in a gas state.

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patent: 5445553 (1995-08-01), Cryer et al.
patent: 5514024 (1996-05-01), Goenka

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