US PATENT SUBCLASS 264 / 297.4
.~.~ Forming multiple stacked or nested articles or including multilayer pressing

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}
297.4.~.~ Forming multiple stacked or nested articles or including multilayer pressing

DEFINITION

Classification: 264/297.4

Forming multiple stacked or nested articles or including multilayer pressing:

(under subclass 297.1) Processes in which a plurality of articles are shaped by performing a forming operation on a stack or nest of preforms or in which a single press couple acts on a stack of shaping members.

(1) Note. This subclass includes a process of forming a chain or article articulated in a chainlike manner as a nested article.

(2) Note. This subclass also includes the use of parting material in a stack of preforms to be shaped.