MOLDED ARTICLE FORMED OF HIGHLY ELASTIC FIBER BALLS
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United States of America Patent
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Issued Date -
Sep 9, 2010
app pub date -
Dec 14, 2006
filing date -
Dec 26, 2005
priority date (Note) -
Abandoned
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Abstract
A molded article formed of highly elastic fiber balls and obtained by thermoforming fiber balls in a mold, characterized in that each fiber ball is composed of a conjugate short fiber (a) defined below and a poly(trimethylene terephthalate) short fiber (b), and that part of the fiber interlaced points of fibers of each fiber ball are thermally fixed with flexible thermally fixed points: (a) a conjugate short fiber wherein a nonelastic polyester and an elastic thermoplastic elastomer having a melting point lower than that of the nonelastic polyester by 40.degree. C. or more are combined, and the nonelastic polyester is exposed to occupy from 25 to 49% of the surface area of the conjugate short fiber.
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