US PATENT SUBCLASS 264 / 209.6
.~.~.~ Curing or polymerizing operation during extrusion (e.g., cross-linking, vulcanizing, etc.)

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}
209.1  DF  .~.~ Hollow article {5}
209.6.~.~.~ Curing or polymerizing operation during extrusion (e.g., cross-linking, vulcanizing, etc.)

DEFINITION

Classification: 264/209.6

Curing or polymerizing operation during extrusion (e.g., cross-linking, vulcanizing, etc.):

(under subclass 209.1) Processes wherein at least some of the material being shaped is polymerized or cured, e.g., cross-linked, vulcanized, etc., during the extrusion.

(1) Note. Cross-linking herein includes cross-linking of thermoplastic as well as thermosetting materials.