Buffer tubes for fiber optic cables
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United States of America Patent
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May 2, 2006
Grant Date -
Feb 24, 2005
app pub date -
Sep 10, 2003
filing date -
Sep 10, 2003
priority date (Note) -
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Abstract
A buffer tube for use in a fiber optic cable is disclosed. The buffer tube has a flexural modulus greater than about 180 kpsi and less than about 370 kpsi, which results in a buffer tube having good crush resistance and flexibility. A particularly useful buffer tube material is an alloy of polypropylene and polyphenylene oxide, which may contain solid fillers.
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