Process for the production of irregular non-woven material sheet

Details Process for the production of irregular non-woven material sheet Process for the production of irregular non-woven material sheet

1989-06-28

1991-09-03

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Production of continuous or running length

264103, 2642108, 26421114, 19299, D04H 300

Patent

active

050452711

ABSTRACT:
In the production of irregular non-woven material sheets of synthetic filaments, the warp from spinnerets is drawn off by means of a draw-off device and then deposited on a substrate. To avoid tangling of the individual filaments, they are guided along a nozzle wall formed by slot nozzles stacked on top of each other and forming a draw-off device. The slot nozzles as well as the air compressor are operated polytropically. The deposit of the warp on the substrate is accomplished by a flip-flop cross winding.

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"Truckenbrodt" Stromungsmechanik, 1968, pp. 7-9.
Chemie--Ing.--Techn. 42 Jahrg. 1970/Nr. 6, p. 401.

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