US PATENT SUBCLASS 162 / 214
.~.~.~ Pressure forming

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}
212  DF  .~.~ Directing slurry into association with mold {4}
214.~.~.~ Pressure forming

DEFINITION

Classification: 162/214

(under subclass 212) Processes in which the slurry is applied to the mold surface under pressure greater than the normal hydrostatic head of the slurry on the mold surface.

(1) Note. The increased pressure is usually achieved by utilizing a seal or gland between the mold and the stock supply conduit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

317, for pressure forming apparatus.