Coated steel tape
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 3, 2002
app pub date -
Mar 29, 2001
filing date -
Mar 29, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fiber optic cable is manufactured by wrapping a cable core with a corrugated steel reinforcing tape coated on each surface by a polymer material and extruding a jacket over the tape such that the polymer material on the outer surface is bonded to the jacket and the edges of the tape are overlapped and bonded. The tape is formed and spooled so as to be continuous through the spool to a required length to match the intended length of the cable which can be as much as 18 to 30 kms. The required length of the tape is obtained by slitting master rolls of steel web into individual tapes and forming welded butt splices in the steel so that each spooled tape is of the required length. A series of the spooled tapes are then unwound side by side, simultaneously laminated with two sheets of the polymer, separated each from the next and re-wound to form a spool of single tape of the required length. If the tapes are spaced side to side, the polymer material encapsulates the tape edges also.
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