US PATENT SUBCLASS 264 / 478
.~ Injection 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}
478.~ Injection molding

DEFINITION

Classification: 264/478

Injection molding:

(under subclass 405) Processes wherein pressure is applied to a molding material so as to force said material from a source removed from a closed mold cavity into said cavity wherein the material assumes the shape of the interior of the closed cavity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

328.1+, for injection molding without electrical or wave energy.

537, for injection molding of a hollow blank portion prior to pneumatic pressure application to the inside.