US PATENT SUBCLASS 264 / 639
.~.~ Of indefinite length product (e.g., sheet, tape, rod, fiber, etc.)

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

603  DF  OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM {30}
638  DF  .~ Shaping by extrusion (e.g., spinning, etc.) {1}
639.~.~ Of indefinite length product (e.g., sheet, tape, rod, fiber, etc.)

DEFINITION

Classification: 264/639

Of indefinite length product (e.g., sheet, tape, rod, fiber, etc.):

(under subclass 638) Process wherein a continuous, running or indefinite length body is formed by an uninterrupted molding

step.

(1) Note. The final article produced need not be of indefinite length, as for example, wherein the continuous, running or indefinite length body is cut into predetermined length pieces.

(2) Note. Extrusion is generally assumed to produce an indefinite length product unless otherwise indicated.