Method and apparatus for dry forming a layer of fibers

Details Method and apparatus for dry forming a layer of fibers Method and apparatus for dry forming a layer of fibers

1975-12-12

1978-02-21

Newton, Dorsey

Textiles: fiber preparation

Assembling

Web forming

D04H 100

Patent

active

040743934

ABSTRACT:
In dry forming a layer of fibers, the fibers are conveyed by carrier air to a distributor housing having a perforated bottom wall through which the fibers pass downwards on to a foraminous forming surface connected on its underside to a suction box. The invention ensures that the fibers pass from the distributor to the forming surface under the influence of suction and gravity alone so as to provide a layer of more uniform depth than hitherto obtained by dry forming.

REFERENCES:
patent: 1827858 (1931-10-01), Tannery
patent: 2116663 (1938-05-01), Powell
patent: 2743758 (1956-05-01), Uschmann
patent: 2912723 (1959-11-01), Roberts
patent: 2940133 (1960-06-01), Heritage
patent: 2940134 (1960-06-01), Heritage
patent: 3071822 (1963-01-01), Meiler
patent: 3423796 (1969-01-01), Nordstrand

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