Method and apparatus for orienting fibres

Details Method and apparatus for orienting fibres Method and apparatus for orienting fibres

1988-05-09

1989-12-12

Schroeder, Werner H.

Textiles: fiber preparation

Assembling

Web forming

D01G 2500

Patent

active

048858234

ABSTRACT:
For the formation of fleeces or webs with parallelized, hooklet-free fibres for pattern production or for spinning mills, a raw material undergoes preliminary drawing in a preliminary drawing frame and is then supplied to a feed arrangement, through which the raw material is supplied to a clamping point of an extracting device formed of two clamping rollers. The clamping rollers running at a higher speed than the feed speed of the feed arrangement pull out fibre tufts disentangled and parallelized on one side. Then the tufts are fed to a suction drum for doubling purposes. From the suction drum the web formed with one disentangled side is fed into a further preliminary drawing frame, into a second feed arrangement, then into a further extracting device and thereafter into a further suction drum. As a result of this second extraction treatment the tangled fibres still present are drawn out, disentangled and parallelized, and a continual web suitable for further processing is removed from the second suction drum.

REFERENCES:
patent: 2709834 (1955-04-01), Wilkie
patent: 2795010 (1957-06-01), Hess
patent: 2889583 (1959-06-01), Wacker et al.

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