US PATENT SUBCLASS 162 / 334
.~.~.~.~ Mask, deckle or apron

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}
315  DF  .~.~ Means directing stock into contact with molding surface {7}
323  DF  .~.~.~ Immersion vat type (e.g., cylinder machine vat) {9}
334.~.~.~.~ Mask, deckle or apron

DEFINITION

Classification: 162/334

(under subclass 323) Apparatus provided with means to limit or control the area of contact or shield the contact of the pulp slurry with the foraminous molding surface.

(1) Note. The devices in this subclass block mask off portions of the foraminous surface whereby no accretion occurs at these portions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

109, for processes producing a configured web or sheet.

353, for endless wire molds and associated mask, deckle, or apron structure.

383, for devices molding discrete articles and having masking means.