US PATENT SUBCLASS 162 / 358.4
.~.~.~.~ With impermeable belt structure or impermeable belt composition


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

232  DF  APPARATUS {22}
289  DF  .~ Running or indefinite length product forming and/or treating means {19}
358.1  DF  .~.~ Press and felt {4}
358.3  DF  .~.~.~ Extended nip press {2}
358.4.~.~.~.~ With impermeable belt structure or impermeable belt composition


DEFINITION

Classification: 162/358.4

With impermeable belt structure or impermeable belt composition:

(under subclass 358.3) Apparatus wherein an impermeable belt for conveying and contacting the wet web riding over the opposing conforming press means has significant belt structure(e.g., groove, shape, dimensions, etc.) or identified belt composition.

(1) Note. The impermeable belt riding over the overlapping opposing press means is not to be confused with the permeable felt that lies between the roll and the wet paper web.

SEE OR SEARCH CLASS

198, Conveyors: Power-Driven, particularly

844.1+, for conveyor belts, per se.

428, Stock Material or Miscellaneous Articles, appropriate subclasses for belts with structure.