Non-woven fabrics

Details Non-woven fabrics Non-woven fabrics

1972-11-06

1976-01-27

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

28 72NW, 28 722R, 156177, 428282, 428288, 428300, D04H 148

Patent

active

039350460

ABSTRACT:
A process for producing a non-woven fabric having a textured surface, comprising forming a web of fibres at least a proportion of which are potentially adhesive, superimposing said web on a scrim fabric and passing said web and scrim through a needle loom containing coarse gauge needles whereby fibres of said web are needle punched through the scrim, needle punching fibres of a second web with coarse gauge needles on to the scrim side of the web-scrim assembly, subsequently needle punching the assembly with fine gauge needles from both sides, and finally treating the assembly so as to form bonds between contiguous fibres.

REFERENCES:
patent: 3112552 (1963-12-01), Smith
patent: 3428506 (1969-02-01), Johnstone
patent: 3506530 (1970-04-01), Crosby
patent: 3639195 (1972-02-01), Sanders
patent: 3649429 (1972-03-01), Hughes
patent: 3684601 (1972-08-01), Hayward, Jr.
patent: 3705064 (1972-12-01), Lochner

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