Bonded yarn bundle, and textile sheet materials obtainable there

Details Bonded yarn bundle, and textile sheet materials obtainable there Bonded yarn bundle, and textile sheet materials obtainable there

1993-01-13

1994-11-22

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428288, 428365, 428374, 428395, 428397, 139420A, 139383A, 162903, 57244, 57905, D03D 300

Patent

active

053667972

ABSTRACT:
Bonded yarn bundle, manufacture thereof and textile sheet materials obtainable therefrom.
There is described a yarn bundle having a tenacity of at least 42 cN/tex, comprising at least one twisted multifilament yarn composed of a first synthetic polymer, for example polyethylene terephthalate, whose individual filaments have become bonded together over essentially the entire thread cross-section by the melting of a second thermoplastic synthetic polymer whose melting point is at least 10.degree. C. below the melting or decomposition point of the first synthetic polymer.
The yarn bundles are notable for high strength, good flexural stiffness and good hydrolysis resistance and are usable in particular for manufacturing textile sheet materials for use in hot, moist environments, in particular for use as wire cloths for papermaking machines.

REFERENCES:
patent: 3494819 (1970-02-01), McAlister, Jr.
patent: 4275117 (1981-06-01), Crandall
patent: 4290209 (1981-09-01), Buchanan
patent: 4925729 (1990-05-01), O'Conner

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