Gas blocked fiber optic transmission
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United States of America Patent
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-
Oct 11, 1994
Grant Date -
N/A
app pub date -
Jan 21, 1993
filing date -
Jan 21, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gas blocked fiber optic cable (10). A cable (10) having a fiber glass epxoy rod (12) which is top coated with EVA-Copolymer (28) and surrounded by fiber optic cables (16). Optical fibers (16) are enclosed in buffer tubes (18) filled with gel (20). Interstitial filling (28) surrounds buffer tube (18). Acid terpolymer top coat (24) bonds filler (28) to buffer tubes (18) preventing gas migration throughout the length of the cable. Black thermo plastic elastomer (30) layer surrounds filler (28) which is surrounded by the outer most polyethylene jacket (32) which is UV resistant.
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