.~ Running or indefinite length work forming and/or treating processes (e.g., web) {6}
217
.~.~ Suction through mold
DEFINITION
Classification: 162/217
(under subclass 202) Processes in which is recited a step of applying reduced pressure to the side of the foraminous mold to aid drawing the suspending medium through the pores of the mold.
SEE OR SEARCH THIS CLASS, SUBCLASS:
297, for apparatus applying suction directly to the slurry on the mold.
335, and 354+, for porous molds combined with suction means.
363+, for suction devices, per se, adapted for use in making paper.
