THERMALLY EXTENSIBLE FIBER

European Patent Office Patent

PATENT NO 1959037
APP PUB NO EP-1959037-A1
SERIAL NO

06833882

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Abstract

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A thermally extensible fiber obtained by heat-treating or crimping a conjugated fiber which is composed of the first resin component having an orientation index of 30 to 70% and the second resin component having a melting or softening point lower than the melting point of the first resin component and an orientation index of 40% or above and in which the second resin component exists continuously in the lengthwise direction of the fiber in such a state as to constitute at least part of the surface of the fiber. The thermally extensible fiber can be extended under heating at a temperature lower than the melting point of the first resin component and exhibits thermal self extension higher than those of conventional extensible fibers.

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Patent Owner(s)

Patent OwnerAddress
DAIWABO POLYTEC CO LTDJPOSAKA 541-0056

International Classification(s)

Inventor(s)

Inventor Name Address
MATSUI MANABU KOBE-SHI HYOGO 650-8670
USUI YOSHIJI HARIMA-CHO KAKO-GUN HYOGO 675-0163
KAWAKAMI SHIGEKI IBARAKI-SHI OSAKA 567-0047

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