Process for producing non-woven fabric

Details Process for producing non-woven fabric Process for producing non-woven fabric

1976-10-08

1980-02-05

Woo, Jay H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428224, 264119, 264163, 264248, 2642888, 28170, 28171, B67D 560

Patent

active

041873432

ABSTRACT:
A process for producing a non-woven fabric having excellent draping properties and strength and further having a handling similar to that of woven fabrics, which comprises drawing uniaxially or biaxially a non-woven sheet material comprising not less than 90% by weight of semi-drawn fibers of a linear high molecular weight compound (e.g. polyesters) having a breaking elongation of 80 to 150% wherein the fibers of said sheet material are crossed and intertwined with each other and are partially bonded at the crossing points, said drawing being carried out until the bonding of the fibers is partially broken or the fibers are partially cut.

REFERENCES:
patent: T857 (1968-12-01), Zeisberg
patent: 3377232 (1968-04-01), Meacock et al.
patent: 3772872 (1973-11-01), Piazza et al.
patent: 3855046 (1974-12-01), Hausen et al.
patent: 3882063 (1975-05-01), Gouw
patent: 3912567 (1975-10-01), Schwartz
patent: 3936999 (1976-02-01), Ikeda et al.
patent: 3949111 (1976-04-01), Pelletier
patent: 3949127 (1976-04-01), Ostermeier et al.
patent: 3949128 (1976-04-01), Ostermeier
patent: 3959054 (1976-05-01), Pietsch et al.
patent: 4005169 (1977-01-01), Cumbers
patent: 4048364 (1977-09-01), Harding et al.

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