(under subclass 271) Including means to heat mold:Apparatus including means to heat the mold.
(1) Note. The heating means may be integrated within the metal-shaping surface or external thereto.
SEE OR SEARCH THIS CLASS, SUBCLASS:
103+, for processes of preconditioning a preform by preheating said preform to perfect the bonding between it and the metal cast.
121, for processes of preconditioning apparatus by heating.
122+, for processes of controlling solidification by heating.
144, for heating means combined with means for casting printing plates. 250.1+, for means to directly apply electrical or wave energy to work including for heating purposes.
492, for processes of heating molten metal by electrical or wave energy while forming said metal against a shaping surface.
SEE OR SEARCH CLASS
249, Static Molds,
79, for a static metal mold having electric heating means; and subclass 80 for static metal mold having means within mold body to confine heat exchange medium.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
402+, for processes of heating nonmetal cast material by direct application of electrical or wave energy; and subclasses 319+ for processes of applying heat to a nonmetal cast material which is shaped against a forming surface.