.~> Mold having plural mold cavities or plural molds with community feature
(under the class definition) Molding apparatus wherein the molding apparatus has a hollow portion for confining a heat exchange medium within its surface.
SEE OR SEARCH THIS CLASS, SUBCLASS:
111, for molding apparatus having a chill or heat conductor for differential heating of a portion of the product.
133, for molding apparatus for forming plural articles constructed to include an ambient air space.
SEE OR SEARCH CLASS
356, for mold with means to absorb heat. 199, Type Casting,
56, for type casting mold having a cooling device.
592.01+, for a receptacle including means to maintain its contents above or below ambient temperature and subclasses 62.11+ for a receptacle having a wall consisting of plural distinct layers which may be spaced apart.
425, Plastic Article or Earthenware Shaping or Treating: Apparatus, appropriate subclasses selected in the basis of the type of molding apparatus for a combustion of heating or cooling means with dynamic molding apparatus; see
384, for a preform reshaping or vulcanizing apparatus having both heating and cooling means and subclass 406 for a press shaping apparatus having both heating or cooling means.