Preparation of an absorbent sheet

Details Preparation of an absorbent sheet Preparation of an absorbent sheet

1993-04-07

1996-05-07

Maki, Steven D.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Bulk deposition of particles by differential fluid pressure

19302, 19304, 264113, 425 811, 425 831, B27N 302, D04H 100

Patent

active

055143245

ABSTRACT:
A sheet of an absorbent material which, comprises a blend of a fibrous substance and of a granulated substance in which the granulated substance is non-uniformly distributed in the sheet, there being alternating zones of higher and of lower density of said substance along the sheet, is prepared by vacuum depositing (16) a dispersion of the fibrous substance (20) on a moving screen (14) and continuously applying the granulated substance (24) while changing the zone of application in a pendulum-like fashion (34, 36) along the screen.

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