US PATENT SUBCLASS 162 / 205
.~.~.~ Pressure

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

100  DF  PROCESSES AND PRODUCTS {31}
202  DF  .~ Running or indefinite length work forming and/or treating processes (e.g., web) {6}
204  DF  .~.~ Subsequent treatment of formed web {2}
205.~.~.~ Pressure {1}
206  DF  .~.~.~.~> With heating and/or cooling

DEFINITION

Classification: 162/205

(under subclass 204) Processes in which the fibrous web is subjected to mechanical pressure by solid surfaces.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117, for processes involving subsequent treatment of paper by an irregular or configured die.

305, and 361+, for apparatus for treating paper with solid press means.