Nonwoven fabrics having improved fiber twisting and crimping

Details Nonwoven fabrics having improved fiber twisting and crimping Nonwoven fabrics having improved fiber twisting and crimping

1996-10-29

1997-12-09

Cannon, James C.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Including strand or fiber material which is of specific...

156 624, 264 12, 264518, 2642108, 425 7, 425 66, 425 722, 425 831, 425464, 442400, 442401, D01D 400, D01D 5098, D01D 1000, D01D 1302, D02G 116

Patent

active

056953771

ABSTRACT:
There is provided a fabric produced by a spunbond or a meltblown apparatus, wherein the apparatus has a pneumatic chamber having at least one wall containing a plurality of spaced protrusions. Preferably, both opposing walls contain protrusions aligned in staggered angled rows and the rows on one wall are angled opposite the rows on the opposing wall, thereby causing controlled lateral flow near the chamber walls. This lateral flow exhibits drag on the fibers, imparting rotational energy to the fibers. The fibers are imparted with rotational energy derived from the lateral component of the two turbulent airflow fields that oppose one another, and have a tendency to twist and crimp. Fabrics so produced have improved loft, drape, and feel and may be useable as a loop material for hook-and-loop type fasteners.

REFERENCES:
patent: 3338992 (1967-08-01), Kinney
patent: 3341394 (1967-09-01), Kinney
patent: 3502763 (1970-03-01), Hartmann
patent: 3542615 (1970-11-01), Dobo et al.
patent: 3692618 (1972-09-01), Dorschner et al.
patent: 3754694 (1973-08-01), Rebe
patent: 3802817 (1974-04-01), Matsuki et al.
patent: 3849241 (1974-11-01), Butin et al.
patent: 3940145 (1976-02-01), Gentiluomo
patent: 4041203 (1977-08-01), Brock et al.
patent: 4100324 (1978-07-01), Anderson et al.
patent: 4102662 (1978-07-01), Levecque et al.
patent: 4135903 (1979-01-01), Ohsato et al.
patent: 4137059 (1979-01-01), Levecque et al.
patent: 4140509 (1979-02-01), Levecque et al.
patent: 4185981 (1980-01-01), Ohsato et al.
patent: 4295809 (1981-10-01), Mikami et al.
patent: 4340563 (1982-07-01), Appel et al.
patent: 4717286 (1988-01-01), Loer
patent: 4744564 (1988-05-01), Yamada
patent: 4818464 (1989-04-01), Lau
patent: 4836552 (1989-06-01), Puckett et al.
patent: 4839116 (1989-06-01), Puckett et al.
patent: 4915389 (1990-04-01), Ihara
patent: 4960281 (1990-10-01), Aoyama
patent: 5005838 (1991-04-01), Oka
patent: 5009428 (1991-04-01), Yamagishi et al.
patent: 5024444 (1991-06-01), Yamagishi et al.
patent: 5028375 (1991-07-01), Reifenhauser
patent: 5078637 (1992-01-01), McFarland
patent: 5087048 (1992-02-01), Sun et al.
patent: 5104126 (1992-04-01), Gentiluomo
patent: 5108820 (1992-04-01), Kaneko et al.
patent: 5108827 (1992-04-01), Gessner
patent: 5114099 (1992-05-01), Gao
patent: 5143377 (1992-09-01), Oka et al.
patent: 5145727 (1992-09-01), Potts et al.
patent: 5169706 (1992-12-01), Collier IV et al.
patent: 5171623 (1992-12-01), Yee
patent: 5178931 (1993-01-01), Perkins et al.
patent: 5188885 (1993-02-01), Timmons et al.
patent: 5192078 (1993-03-01), Woo
patent: 5192079 (1993-03-01), Sun et al.
patent: 5200573 (1993-04-01), Blood
patent: 5203933 (1993-04-01), Nagahisa
patent: 5289997 (1994-03-01), Harris
patent: 5308076 (1994-05-01), Sun
patent: 5336552 (1994-08-01), Strack et al.
patent: 5338039 (1994-08-01), Oka et al.
patent: 5356150 (1994-10-01), Lavallee et al.
patent: 5377989 (1995-01-01), Machin
patent: 5378524 (1995-01-01), Blood
patent: 5382400 (1995-01-01), Pike et al.
patent: 5441276 (1995-08-01), Lim
patent: 5445095 (1995-08-01), Reed et al .
Walsh and Lindemann in "Optimization and Application of Riblets for Turbulent Drag Reduction", American Institute of Aeronautics and Astronautics (AIAA) Paper 84-0347, Jan. 1984.
Lazos and Wilkinson in "Turbulent Viscous Drag Reduction with Thin-Elements Riblets," AIAA Journal vol. 26, No. 4, p. 486 (1988).
"Riblets" in the book Viscous Drag Reduction in Boundary layers, edited by Dennis M. Bushnell and Jerry N. Hefner, published by AIAA (1990), ISBN 0-930403-66-5 vol. 123.

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