US PATENT SUBCLASS 264 / 346
.~.~ To anneal or temper

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

340  DF  TREATING SHAPED OR SOLID ARTICLE {5}
345  DF  .~ By a temperature change {3}
346.~.~ To anneal or temper

DEFINITION

Classification: 264/346

(under subclass 345) Processes in which one or more temperature changes, are employed to relieve or remove stresses or strains which may exist in a preform or self-sustaining body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

235, for annealing in combination as a subsequent disparate treatment.