US PATENT SUBCLASS 264 / 347
.~.~ To complete vulcanization or polymerization


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}
347.~.~ To complete vulcanization or polymerization


DEFINITION

Classification: 264/347

(under subclass 345) Processes in which the temperature change, is employed to effect the complete vulcanization or polymerization of a partially cured self-sustaining body or preform.

(1) Note. Vulcanization, per se, or polymerization, per se, of an article is not considered to be within the scope of this subclass unless there is also included a particular manipulative or handling step or specific shape retaining or supporting step not otherwise classifiable above. See the definitions to this class, pertaining to the line between this class and the composition classes, and see also the search notes to subclass 236 of this class (264).

SEE OR SEARCH THIS CLASS, SUBCLASS:

83, for curing in a reactive atmosphere.

236, for completion of cure of an article by a subsequent disparate treatment.

280, for curing of running or indefinite length articles between pressure surfaces.

325, for curing in a closed mold.