US PATENT SUBCLASS 432 / 42
.~ Of protective work shield, cooler or atmosphere; or of heat applicator position

Current as of: June, 1999
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432 /   HD   HEATING

36  DF  HAVING CONDITION RESPONSIVE CONTROL {12}
42.~ Of protective work shield, cooler or atmosphere; or of heat applicator position

DEFINITION

Classification: 432/42

(under subclass 36) Apparatus in which the control is (1) of a means establishing or adjusting the position of a heat applicator relative to the work; (2) of a cooling means that prevents overheat of the work; (3) of a protective atmosphere supply or (4) of a baffle means that shields work from a heat applicator.