Air-laydown apparatus for forming uniform webs of staple fibers

Details Air-laydown apparatus for forming uniform webs of staple fibers Air-laydown apparatus for forming uniform webs of staple fibers

1974-08-09

1976-01-20

Newton, Dorsey

Textiles: fiber preparation

Assembling

Formed silvers

D01G 2500

Patent

active

039329151

ABSTRACT:
Process and apparatus are disclosed which are suitable for high speed production of uniform, lightweight webs by air-laydown of textile fibers. A toothed disperser roll doffs the fibers into an air stream of high uniform velocity and low turbulence to form a thin fiber stream from which the fibers are deposited in web form on a moving screen. A curved disperser plate, shrouds the disperser roll and prevents premature doffing. By using a disperser plate with a rough surface, preferably one having lateral grooves, web uniformity is remarkably improved.

REFERENCES:
patent: 2948022 (1960-08-01), Day
patent: 3268954 (1966-08-01), Voa
patent: 3797074 (1974-03-01), Zafiroglu
patent: 3815178 (1974-06-01), Goldman

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