Duct for receiving an optical fibre member
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United States of America Patent
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May 25, 1993
Grant Date -
N/A
app pub date -
Apr 23, 1991
filing date -
Apr 24, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A duct is provided for receiving an optical fibre member by blowing. The duct is formed at least in part of a plastics material which is electrically conductive or has electrically conductive material such as carbon black held therein or has an electrically conductive material applied thereto preferably the duct has a radially inner layer defining an inside wall of the duct and at least one further layer positioned outwardly of the inner layer, the inner layer being formed of the plastics material which is electrically conductive or has electrically conductive material held therein or had an electrically conductive material applied thereto.
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