US PATENT SUBCLASS 432 / 18
.~ Subjecting work to diverse treatments or graduated temperatures


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



432 /   HD   HEATING

1  DF  PROCESSES OF HEATING OR HEATER OPERATION {14}
18.~ Subjecting work to diverse treatments or graduated temperatures


DEFINITION

Classification: 432/18

(under subclass 1) Process in which work is (1) moved along a path traversing zones of diverse characteristics or a zone having an increasing or decreasing temperature along its length; or (2) has applied to it successive treatments different in kind or (3) has its temperature changed by successive or progressive heat treatments.