Process for producing high-bulk tissue webs using nonwoven subst

Details Process for producing high-bulk tissue webs using nonwoven subst Process for producing high-bulk tissue webs using nonwoven subst

1998-06-03

2000-09-19

Cole, Elizabeth M.

Paper making and fiber liberation

Processes and products

Non-uniform, irregular or configured web or sheet

162218, 162382, 162383, 162903, D21F 500

Patent

active

061206423

ABSTRACT:
The invention relates to a papermaking fabric and method of producing a soft, bulky tissue web in which an embryonic fiber web is wet-molded onto a three-dimensional substrate wherein the web-contacting surface of said substrate is a three-dimensional porous nonwoven material. The method can provide higher levels of bulk and surface depth in tissues than is practical with woven papermaking fabrics.

REFERENCES:
patent: 5230371 (1993-07-01), Lee
patent: 5454405 (1995-10-01), Hawes
patent: 5510002 (1996-04-01), Hermans et al.
patent: 5593545 (1997-01-01), Rugowski et al.
Race, E., J.B. Wheeldon, and T.N. Ashworth, "The Scapa Pocket Ventilator For Use With Open-Mesh Fabrics And Highly Permeable Felts," Pulp And Paper Magazine Of Canada, 68(2),Feb. 1967, pp. 66-70.
Adanur, Sabit, Paper Machine Clothing, Technomic Publishing Co., Inc., Lancaster, PA, 1997, Section 4.2, pp. 194-195, and Section 4.6.2, pp. 244-250.

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