US PATENT SUBCLASS 29 / 81.06
.~ Fluid impingement

Current as of: June, 1999
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29 /   HD   METAL WORKING

81.01  DF  SCALE REMOVER OR PREVENTOR {9}
81.06.~ Fluid impingement {3}
81.07  DF  .~.~> With heater
81.08  DF  .~.~> Liquid jet
81.09  DF  .~.~> Airblast

DEFINITION

Classification: 29/81.06

Fluid impingement:

(under subclass 81.01) Process or apparatus which removes scale by loosening it with the aid of fluid generally applied with force.

SEE OR SEARCH CLASS

239, Fluid Sprinkling, Spraying, and Diffusing, for nozzle and related structure for applying fluid to a workpiece.