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


Current as of: June, 1999
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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.