Nonwoven textile sponge for medicine and hygiene, and methods fo

Details Nonwoven textile sponge for medicine and hygiene, and methods fo Nonwoven textile sponge for medicine and hygiene, and methods fo

1986-06-27

1988-03-15

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

128156, 156 85, 156252, 156256, 156290, 156296, 1563084, 428288, 428296, 4283115, 4283117, 604366, 604370, 604372, 604374, 604378, A61F 1316, A61L 1501

Patent

active

047312777

ABSTRACT:
Disclosed is a nonwoven, textile sponge for use in medical and hygienic applications consisting of at least one outer, thermally consolidated, moisture-repellent fiber layer containing at least 80% synthetic heterofil filaments and at least one layer of absorbent fibers. The sponge is perforated, but does not have any substantial fiber entanglement, and contains no binding agent of any kind. Also disclosed is a method for the manufacture of the sponge, in which the fiber nonwovens are laid one on the other, hydraulically perforated without fiber entanglement, and then thermally consolidated through heterofil filaments.

REFERENCES:
patent: 4203435 (1980-05-01), Krull et al.
patent: 4519799 (1985-05-01), Sakurai et al.

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