Underground tubular ducts for telecommunications networks

Details Underground tubular ducts for telecommunications networks Underground tubular ducts for telecommunications networks

1996-02-22

1998-08-04

Kincaid, Kristine L.

Electricity: conductors and insulators

Conduits, cables or conductors

H02G 906

Patent

active

057897085

ABSTRACT:
A duct for housing cables for underground telecommunications networks has one or more tubular elements of a first plastic material, having helical ribs on their inner surface. The ribs may also be formed as inserts into the material of the tubular element.

REFERENCES:
patent: 4741593 (1988-05-01), Fochler
patent: 5154869 (1992-10-01), Bergmann et al.

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