B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
28/14
B32B 27/00 (2006.01) D04H 1/42 (2006.01) D04H 1/46 (2006.01) D04H 1/64 (2006.01)
Patent
CA 1207996
ABSTRACT OF THE DISCLOSURE An entangled non-woven fabric having a fiber structure which comprises a portion (A) in which ultrafine fiber bundles consisting of ultrafine fibers of a size of not greater than about 0.5 denier are entangled with one another and a portion (B) in which ultrafine fibers to fine bundles of ultrafine fibers branch from the ultrafine fiber bundles and are entangled with one another, and in which portions (A) and (B) are nonuniformly distributed in the direction of fabric thickness. The product of this invention has high flexibility as well as good shape retention. The invention also relates to a grained sheet having on at least one of its surface a grain formed by a fiber structure composed of ultrafine fibers to fine bundles of ultrafine fibers and having a distance between the fiber entangling points of not greater than about 200 microns, and a resin in the gap portions of the fiber structure. The grained sheet of the invention has high flexibility resistance, shearing fatigue resistance and scratch and scuff resistance.
424906
Kato Hiroyasu
Yagi Kenkichi
Smart & Biggar
Toray Industries Inc.
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