US PATENT SUBCLASS 425 / 381.2
.~ Centripetal elastic melt extruder type

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

Internet Version by PATENTEC © 1999      Terms of Use


425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

376.1  DF  STOCK PRESSURIZING MEANS OPERABLY ASSOCIATED WITH DOWNSTREAM SHAPING ORIFICE {7}
381.2.~ Centripetal elastic melt extruder type

DEFINITION

Classification: 425/381.2

(under subclass 376.1) Apparatus wherein the fluent material is subjected to shearing stress usually produced by relatively rotating feeding surfaces to cause a flow of the material in a direction towards a central shaping orifice.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200+, for similar apparatus used for agitation, mixing or kneading material to be shaped.