Patterned non-woven fabrics of improved tensile strenth

Details Patterned non-woven fabrics of improved tensile strenth Patterned non-woven fabrics of improved tensile strenth

1994-01-14

1995-01-10

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428224, 428288, B32B 300

Patent

active

053805810

ABSTRACT:
There is disclosed an improved non-woven fabric comprising a layer of staple length fibers and a binder material diffused substantially through the fabric adhering fiber ends together to provide fabric strength. The improvement is based on the binder being arranged in a pattern in segments. These segments running substantially perpendicular to the orientation of the fibers (or the machine direction), and the pattern within these segments have a plurality of repeats within each segment and a repeat of said total segment pattern in alternate segments. The components of this pattern are mutually laterally displaced from each other in sequential segments, at least 80% of the components of said pattern being at an angle of between at least 10.degree. to not more than 70.degree. relative to the orientation of the majority of the fibers (or the machine direction).

REFERENCES:
patent: 3009822 (1961-11-01), Drelich et al.
patent: 4016317 (1977-04-01), Kalwaites

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