Method and apparatus for manufacturing planar fiber webs from sh

Details Method and apparatus for manufacturing planar fiber webs from sh Method and apparatus for manufacturing planar fiber webs from sh

Filed on

1982-07-29

Date issued

1984-04-17

Examiner

Adee, John

Patent Class

Liquid purification or separation

SubClass

Processes

SubSubClass

Separating

Other Related Categories

210781, 2103801, 162213, 162292, B01D 3302

Type

Patent

Status

active

Patent number

044433433

Description

ABSTRACT:
Method and apparatus for manufacturing planar fiber webs from reinforcing fibers which are oriented in their passage through a hydrodynamic orientation section and deposited on a filter surface. In the process, the rotating orientation section produces a laminar flow pattern causing the reinforcing fibers in the slurry to be oriented. The filter surface is rotated, as is the orientation section, to hasten the extraction of the slurry liquid by filtration, to improve the degree of orientation of the fibers, and to fix the oriented fiber cake on the filter area. Extraction of the slurry liquid by filtration eliminates the need for washing or rewashing.

REFERENCES:
patent: 2312545 (1943-03-01), Haug
patent: 2859668 (1958-11-01), Bealyn
patent: 3115098 (1963-12-01), Berlyn
patent: 3438501 (1969-04-01), Oyen
patent: 3797662 (1974-03-01), Titus
patent: 4016031 (1977-04-01), Bagg et al.
patent: 4158596 (1979-06-01), Justus

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