Improvements to underground tubular for telecommunications...

Details Improvements to underground tubular for telecommunications... Improvements to underground tubular for telecommunications...

H - Electricity

02

G

H02G 9/06 (2006.01) G02B 6/44 (2006.01) H02G 1/08 (2006.01)

Patent

CA 2171689

A duct for housing cables for underground telecommunications networks comprises one or more tubular elements made from a first plastic material, and having an inner surface provided with helical ribs. The ribs are formed integrally with the inner surface or as inserts affixed to the inner surface.

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