US PATENT SUBCLASS 264 / 297.5
.~.~ Reshaping or treatment of a preform (e.g., vulcanizing, etc.)

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}
297.1  DF  .~ Forming plural articles {5}
297.5.~.~ Reshaping or treatment of a preform (e.g., vulcanizing, etc.)

DEFINITION

Classification: 264/297.5

Reshaping or treatment of a preform (e.g., vulcanizing, etc.):

(under subclass 297.1) Processes in which a preform is reshaped or subjected to chemical or physical treatment after shaping.

(1) Note. The reshaping processes provided for herein typically reshape part of a preform such as belling the end of a length of pipe or vulcanize a group of preforms.

SEE OR SEARCH THIS CLASS, SUBCLASS:

294+, for plural sequential shaping steps preformed on a workpiece.