US PATENT SUBCLASS 264 / 295
.~.~ Molding followed by bending or twisting

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

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
294  DF  .~ Plural sequential shaping or molding steps on same workpiece {2}
295.~.~ Molding followed by bending or twisting

DEFINITION

Classification: 264/295

(under subclass 294) Processes wherein the plural steps comprise at least one molding step followed by at least one bending or twisting operation in which (a) a portion of a workpiece is moved throughout its entire thickness relative to a second portion during which the thickness of the workpiece remains substantially the same and no significant plastic flow occurs or (b) there is distortion of a single solid body by relative movement of its parts about a common axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

98+, for a pneumatic shaping pressure applied to the inside of a hollow work following preliminary extrusion of a blank or blank portion.

103, for twisting of plural elements about each other.

339, for distortion by twisting, per se.