Method for producing sheeting products from yarn having sheath a

Details Method for producing sheeting products from yarn having sheath a Method for producing sheeting products from yarn having sheath a

1989-03-27

1990-01-30

Schroeder, Werner H.

Textiles: manufacturing

Textile product fabrication or treatment

Of thread interlaced article or fabric

57 12, 57210, D02G 300, D01H 528

Patent

active

048964069

ABSTRACT:
A top bedsheet, bottom (fitted contour) bedsheet, or pillow case is produced by circularly knitting, in a jersey knit configuration, a sheath and core yarn into a fabric. The sheath fibers comprise short staple fibers such as cotton or comparable cellulosic fibers, and provide at least 50 percent of the yarn and preferably about 68-83 percent of the yarn. The core fibers are long staple synthetic fibers such as polyester, and are completely covered by the cotton so that the product has smoothness of hand. The fabric has a weight of approximately four ounces per square yard, and is finished so that it has a relaxed shrinkage of about five percent in both the length and width dimensions. The sheath and core yarn configuration is produced by passing a sliver of sheath fibers and a roving of core fibers through a trumpet, and then through the rear rolls, apron, and front rolls of a drafting apparatus to produce a drafted composite sliver, and then mechanically imparting a twist to the drafted composite sliver.

REFERENCES:
patent: 2528313 (1950-10-01), Kessler
patent: 3290702 (1966-12-01), Seltzer
patent: 3365872 (1968-01-01), Field, Jr.
patent: 3638251 (1972-02-01), Weiss
patent: 3789441 (1974-02-01), Weiss
patent: 4112658 (1978-09-01), Morihashi
patent: 4191221 (1980-03-01), Boyer
patent: 4308626 (1982-01-01), Weiss
patent: 4497167 (1985-02-01), Nakahara et al.
patent: 4711079 (1987-12-01), Newton et al.
"Corcraft Products" flyer with article Easy Sheets-The Knitted Fitted Sheet Made With Bitech.TM..
American Dyestuff Reporter, Jul. 18, 1955, "New Developments in Tricot Dyeing", by L. L. Walmsley.

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