Filled optical fiber cables
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United States of America Patent
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-
Aug 7, 1984
Grant Date -
N/A
app pub date -
Mar 29, 1982
filing date -
Mar 29, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filling composition comprising a styrene-rubber-styrene block copolymer and an oil is used to prevent water entry into optical fiber cable. The composition provides: (1) suitably low viscosity to allow filling the cable at elevated temperatures; (2) low modulus to minimize microbending loss in the optical fibers; and (3) high slump temperature to minimize flow of the material at an elevated service temperature from the end of a filled cable.
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