Low fluid pressure dual-sided fiber entanglement method, apparat

Details Low fluid pressure dual-sided fiber entanglement method, apparat Low fluid pressure dual-sided fiber entanglement method, apparat

1993-04-06

1995-08-01

Cannon, James C.

Stock material or miscellaneous articles

Pile or nap type surface or component

Nap type surface

152091, 428 92, 428224, D04H 170

Patent

active

054379040

ABSTRACT:
A low fluid pressure dual-sided fiber entangling method and apparatus for manufacturing a nonwoven fabric. A fibrous starting material whose individual fibers are capable of movement relatively to one another under the influence of applied fluid forces is subjected to coacting opposed fluid streams while being confined between a flexible screen belt and a rigid perforated hollow drum. The fibers of the starting material are entangled under the effect of fluid forces applied in opposition, forming a reticular network which defines a pattern of blind holes, each hole extending transversely to the fabric plane and containing a protuberant fiber packing at a closed end thereof.

REFERENCES:
patent: 3214819 (1965-11-01), Guerin
patent: 3917785 (1975-11-01), Kalwaites
patent: 5026587 (1991-06-01), Austin et al.
patent: 5238644 (1993-08-01), Boulanger et al.

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