US PATENT SUBCLASS 264 / 234
.~ Effecting temperature change

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

232  DF  DISPARATE TREATMENT OF ARTICLE SUBSEQUENT TO WORKING, MOLDING, OR SHAPING {2}
234.~ Effecting temperature change {3}
235  DF  .~.~> Annealing {1}
236  DF  .~.~> Completing vulcanization or polymerization
237  DF  .~.~> Cooling

DEFINITION

Classification: 264/234

(under subclass 232) Processes wherein the worked, shaped or molded material is subjected to a positively applied heating or cooling step after removal from the mold.

(1) Note. Normal return of material to ambient temperature is not sufficient to place a patent in this subclass.

(2) Note. Utilizing a support to maintain the shape of the molded body after removal from the mold is within the scope of this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

80, for processes including a flame treatment.

344, for removal, per se, of entrained material from an article by the application of heat.

345, for temperature changes applied to a shaped or solid article, per se.