Shoe outsole
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 9, 2002
app pub date -
Aug 8, 2001
filing date -
Sep 8, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An outsole (1) comprises a projection (2) provided on a bottom face. A portion of the bottom face other than the projection (2) is a concave portion (3). The outsole (1) is molded by crosslinking a rubber composition. A base polymer of the rubber composition contains 30% by weight or more of an acrylonitrile-butadiene rubber having a glass transition point of -40.degree. C. to 0.degree. C. A loss factor curve of the outsole (1) has a peak temperature of -30 .degree. C. to 0.degree. C. The peak temperature of the loss factor curve is measured by means of a viscoelasticity spectrometer. The measurement is carried out on such a condition that an initial strain is 10%, an amplitude is .+-.2%, a frequency is 10 Hz, a starting temperature is -100.degree. C., an ending temperature is 100.degree. C., a temperature rising speed is 3.degree. C./min and a deformation mode is a tension.
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