Method for producing textured nonwoven fabric

Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking

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28104, 428299, D04H 146

Patent

active

051427524

ABSTRACT:
An apparatus and related process for entangling a fibrous web which employs columnar fluid jets to eject a continuous curtain of fluid in an entangling station. The web is advanced through an entangling station on a conveyor which supports an entangling member having a symmetrical pattern of void areas. Baffle members disposed in the void areas are provided which include radiused curvatures and define apertures having a frusto-conical configuration. Dynamic forces in the fluid curtain impact the web in discrete and controlled patterns determined by the baffling members to enhance efficient energy transfer and web entanglement. Textile-like fabrics having a uniform, non-apertured, surface cover are obtained by coaction of fluid curtain and baffle structures.

REFERENCES:
patent: 4555430 (1985-11-01), Mays
patent: 4925722 (1990-05-01), Jeffers et al.
patent: 4959894 (1990-10-01), Jeffers et al.
patent: 4960630 (1990-10-01), Greenway et al.

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