US PATENT SUBCLASS 264 / 452
.~.~.~ Including extrusion molding

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

405  DF  DIRECT APPLICATION OF ELECTRICAL OR WAVE ENERGY TO WORK (E.G., ELECTROMAGNETIC WAVE, PARTICULATE, MAGNETIC, INDUCTION HEAT, SONIC, ELECTROSTATIC ENERGY, ETC.) {26}
449  DF  .~ Using direct contact of electrode or electrical wire with precursor or workpiece {2}
451  DF  .~.~ Shaping surface constitutes electrode {2}
452.~.~.~ Including extrusion molding

DEFINITION

Classification: 264/452

Including extrusion molding:

(under subclass 451) Processes wherein a material is shaped or molded by forcing it through a confining orifice.

SEE OR SEARCH THIS CLASS, SUBCLASS:

176.1+, for processes of forming continuous or indefinite length articles, per se, by extrusion through a shaping orifice.

323, for processes of extruding finite articles, per se.

464, for extruding processes, per se, utilizing direct application of electrical or wave energy.