US PATENT SUBCLASS 264 / 210.6
.~.~.~ With processing before extrusion or inclusion of additive

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

165  DF  FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8}
176.1  DF  .~ Shaping by extrusion {11}
210.1  DF  .~.~ And reshaping {6}
210.6.~.~.~ With processing before extrusion or inclusion of additive

DEFINITION

Classification: 264/210.6

With processing before extrusion or inclusion of additive:

(under subclass 210.1) Process wherein the workpiece is stated to contain a --material not in itself plastic, e.g., a plasticizer, solvent, etc., or wherein a step is performed upon the material which is to become the workpiece before it is extruded, e.g., comminuting, adjusting viscosity, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

78, for a process wherein a dye or dye former is included in the extrudant.