Telecommunications cable containing optical fibers
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United States of America Patent
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-
Feb 21, 1989
Grant Date -
N/A
app pub date -
Nov 15, 1985
filing date -
Nov 15, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A submarine telecommunications cable includes a plurality of optical fibers in the bore of an orientated plastics strength member. The cable may have an average density of 0.9 to 4.0 and preferably a neutral buoyancy whereby most of the weight of the cable is carried by the sea. This reduces tension in the cable during laying. The bore of a submarine cable is filled with a solid elastomeric embedding medium which occupies the space between the fibers. This gives a void-free structure which assumes ambient pressure. The strength member may be made from orientated polyethylene. The cable is preferably buried in the sea bed during use.
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