Nonwoven fabric wiper and method for making it

Details Nonwoven fabric wiper and method for making it Nonwoven fabric wiper and method for making it

1995-08-29

1997-04-08

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

28104, 428168, 428171, D04H 106, D04H 148, D04H 172

Patent

active

056186100

ABSTRACT:
Here is disclosed an improved nonwoven fabric wiper obtained by a method comprising steps of forming a laminate from a web of thermally shrinkable hydrophobic synthetic fibers and a web of hydrophilic fibers put one upon another, jetting high pressure water onto the laminate supported on a supporting roll provided on its peripheral surface with a plurality of fine projections as well as a plurality of drainage apertures, causing the fibers to be entangled or intertwined and rearranged and thereby forming a nonwoven fabric having uneven fiber distribution densities, and heating the nonwoven fabric to crimp the synthetic fibers so that only portions of relatively high fiber density may bulge.

REFERENCES:
patent: 3616175 (1971-10-01), Jung
patent: 4426420 (1984-01-01), Likkyani
patent: 4704113 (1987-11-01), Schoots
patent: 5059378 (1991-10-01), Petterson et al.
Derwent Publications Ltd., London GB; JP-A-07-054 256 (Daiwabo Create Co. Ltd) Feb. 28, 1995.
Derwent Publications Ltd., London; GB; JP-A-63 309 657) (Shinwa KK), Dec. 16, 1988.

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