US PATENT SUBCLASS 162 / 402
.~.~.~.~ About foraminous core

Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

232  DF  APPARATUS {22}
382  DF  .~ Foraminous forming mold for discrete articles (pulp molding) {9}
396  DF  .~.~ Press felting (i.e., pressure member acting on pulp on mold) {6}
401  DF  .~.~.~ Flexible diaphragm {1}
402.~.~.~.~ About foraminous core

DEFINITION

Classification: 162/402

(under subclass 401) Apparatus in which the pressure applying means surrounds the pulp body and a foraminous core.