US PATENT SUBCLASS 264 / 348
.~.~ To cool


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}
348.~.~ To cool


DEFINITION

Classification: 264/348

(under subclass 345) Processes directed to the cooling, per se, of a preform or self-sustaining body by a positive application of a heat extracting temperature differential.

(1) Note. Mere cooling to ambient temperature in normal surroundings of a heated article is not included within the scope of this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28, for processes including the step of cooling or freezing at 0 deg.C or below.

237, for a positive cooling step combined as a subsequent disparate treatment.

SEE OR SEARCH CLASS 62, Refrigeration, appropriate subclasses for specific processes of refrigerating.