Method for the manufacture of fibrous webs

Details Method for the manufacture of fibrous webs Method for the manufacture of fibrous webs

1980-09-15

1982-06-01

Hall, James R.

Plastic and nonmetallic article shaping or treating: processes

Treatment of material by vibrating, jarring, or agitating...

Continuously formed or indefinite length article

264518, 264112, B28B 108

Patent

active

043327567

ABSTRACT:
Method for the manufacture of a fibrous web comprises provision of a conduit having a plurality of outlets for discharging classified fibers onto a linearly movable planar section of an endless screen. The fibers pass through openings in the screen and land on an underlying planar section of a forming wire, in formation of the fibrous web, with the aid of an underlying vacuum box. Uniformity of fiber distribution is provided by parallel banks of brushes that engage the planar section of the endless screen and are rapidly oscillated in short, non-synchronous strokes transversely of the direction of screen movement.

REFERENCES:
patent: 2940135 (1960-06-01), Heritage
patent: 3363036 (1968-01-01), Craig
patent: 3508301 (1970-04-01), Brown

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