Nonwoven fabric comprising needled and selectively fused fine an

Details Nonwoven fabric comprising needled and selectively fused fine an Nonwoven fabric comprising needled and selectively fused fine an

1976-01-02

1978-12-26

Cannon, J.C.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

28112, 428288, 428296, 428297, 428301, 428303, B32B 506, B32B 508, B32B 512, D04H 148

Patent

active

041317041

ABSTRACT:
A nonwoven fabric is comprised of a blend of fine staple fibers and coarse staple fibers randomly oriented with the fine staple fibers having a higher melt flow than the coarse staple fibers. In the manufacture of the nonwoven fabric, same is needled whereby the needles select the fine fibers and portions of same are positioned in a plane generally transverse to the plane of the fabric. Infrared heat is used to fuse the fine fibers at overlapping portions thereof to provide integrity for the fabric. The coarse staple fibers are held in the interstices of the fabric at least partially by frictional engagement with the fine staple fibers.

REFERENCES:
patent: 3392079 (1968-07-01), Fekete
patent: 3476636 (1969-11-01), Crosby
patent: 3884169 (1975-05-01), Hoppe et al.

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