Method of providing subterranean cable systems
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United States of America Patent
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-
Feb 3, 1998
Grant Date -
N/A
app pub date -
May 15, 1995
filing date -
Jun 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of laying a cable system in which the cable guide tube has internal ribs alternating in helical direction and of dimensions and number designed for particular cable radii and cross section to allow the cable, whether a single cable or a bundle or cables to be blown through about 2000 m of the tube with 90 kN of force or to be pulled by a strand through the conduit with a force of 2.5 kN over a stretch of 1400 m without damage to the cable.
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Cited Art Landscape
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