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

1997-12-03

1999-05-25

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Laser ablative shaping or piercing

264482, 264156, B23K 2602

Patent

active

059067861

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 includes 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: 5098764 (1992-03-01), Drelich et al.
patent: 5158819 (1992-10-01), Goodman, Jr. et al.
patent: 5585017 (1996-12-01), James et al.

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