US PATENT SUBCLASS 425 / 42
.~.~.~ Within cavity of hollow preform

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

28.1  DF  RESHAPING, RESIZING OR VULCANIZING MEANS FOR TIRE, TIRE TUBE, OR DRIVE BELT {9}
35  DF  .~ Toroidal or annular female shaping means and coacting means holding preform thereagainst {8}
40  DF  .~.~ Including heating or cooling means {2}
42.~.~.~ Within cavity of hollow preform

DEFINITION

Classification: 425/42

(under subclass 40) Apparatus in which the temperature change is applied or produced by means within the cavity encompassed by the walls of the preform.

(1) Note. This includes, for example, the introduction of a hot gas into a tire or inner tube during shaping.