Apparatus for making nonwoven fabrics having raised portions

Details Apparatus for making nonwoven fabrics having raised portions Apparatus for making nonwoven fabrics having raised portions

1994-09-16

1997-10-07

Watkins, William

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428156, 428141, 28104, 28105, 28106, D04H 170, B32B 324

Patent

active

056745877

ABSTRACT:
A topographical support member and a method of forming a topographical support member for use in producing nonwoven fabrics with raised portions, especially intaglio and slub type portions. The topographical support member comprises a body having a top surface including a first micro-sized topographical pattern and a pattern of apertures extending through the body. At least one macro-sized region recessed below the top surface is provided. The micro-sized pattern produces a background portion of the fabric and the macro-sized recessed regions produce the raised portions of the fabric. Multiple levels may be provided in the macro-sized region to produce multiple level raised portions.

REFERENCES:
patent: 4995151 (1991-02-01), Siegel et al.
patent: 5098764 (1992-03-01), Drelich et al.
patent: 5158819 (1992-10-01), Goodman, Jr. et al.
patent: 5244711 (1993-09-01), Drelich et al.

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