US PATENT SUBCLASS 162 / 220
.~.~ Pressing with flexible diaphragm

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

100  DF  PROCESSES AND PRODUCTS {31}
218  DF  .~ Article forming processes (pulp molding) {7}
220.~.~ Pressing with flexible diaphragm

DEFINITION

Classification: 162/220

(under subclass 218) Processes in which a flexible diaphragm is brought into contact with the deposited fibrous material at some stage of formation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

401+, for pulp molding apparatus provided with a flexible diaphragm.