US PATENT SUBCLASS 264 / 464
.~ Extrusion molding


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
464.~ Extrusion molding {9}
465  DF  .~.~> Utilizing electrostatic charge, field, or force (e.g., pinning, etc.) {1}
469  DF  .~.~> Plasma (e.g., corona, glow discharge, etc.)
470  DF  .~.~> Utilizing electron arc or electron beam {1}
472  DF  .~.~> Induction heating
473  DF  .~.~> High energy or particulate radiation (e.g., X-ray, gamma ray, neutron, etc.)
474  DF  .~.~> Microwave (e.g., 2.45 gigahertz, etc.)
475  DF  .~.~> Radio frequency (e.g., 13.56 megahertz, etc.)
476  DF  .~.~> Infrared radiation
477  DF  .~.~> Polymerizing, cross-linking, or curing


DEFINITION

Classification: 264/464

Extrusion molding:

(under subclass 405) Processes wherein an article is shaped or formed by extruding or forcing a supply of the article forming material through a confining and shaping orifice.

SEE OR SEARCH CLASS

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

376.1+, for an extrusion shaping machine for nonmetals and see the search notes thereunder.