US PATENT SUBCLASS 162 / 348
.~.~ Flexible endless band type mold (e.g., Fourdrinier)

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}
348.~.~ Flexible endless band type mold (e.g., Fourdrinier) {5}
349  DF  .~.~.~> Concurrently moving back up
350  DF  .~.~.~> Variable slope
351  DF  .~.~.~> Means retarding or controlling drainage through mold {1}
353  DF  .~.~.~> Mask, deckle, or apron
354  DF  .~.~.~> Table structure {1}

DEFINITION

Classification: 162/348

(under subclass 289) Apparatus in which the forming surface comprises a pervious distortable looped web, traveling longitudinally of itself.

SEE OR SEARCH THIS CLASS, SUBCLASS:

315+, for combinations of an endless web mold and means directing stock into contact with the molding surface, and especially subclasses 318+ for cylinder molds with an endless mold trained around the cylinder.

323+, for immersion vat type molding devices, most of which utilize a cylindrical mold.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation,

400+, for belt type filters. 245, Wire Fabrics and Structure, appropriate subclasses, and especially

8, for mesh belts, per se, made of woven wire and see the notes to the class definition of that class (245) for the locus of other wire fabric structures.

428, Stock Material or Miscellaneous Articles, appropriate subclasses for a stock material product in the form of a single or plural layer web or sheet, and especially

304.4+, for a composite web or sheet in which one component is porous or cellular.

474, Endless Belt Power Transmission Systems or Components, particularly

237+, for a friction drive belt.