Apparatus for the manufacture of fibrous webs

Details Apparatus for the manufacture of fibrous webs Apparatus for the manufacture of fibrous webs

1979-12-21

1981-05-19

Czaja, Donald E.

Plastic article or earthenware shaping or treating: apparatus

Air felting type shaping means

Means forming running length product

B29C 1708

Patent

active

042682355

ABSTRACT:
Apparatus 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: 2912723 (1959-11-01), Roberts
patent: 2940135 (1960-06-01), Heritage
patent: 3575749 (1971-04-01), Kroger
patent: 3644078 (1972-02-01), Tachibana et al.
patent: 4212607 (1980-07-01), Miller

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