Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
Patent
1987-02-24
1988-10-25
Taylor, Dennis L.
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
Lining
405146, 405154, 248 741, F16L 300
Patent
active
047800259
ABSTRACT:
A device for laying and suspending cables (38), in particular low-voltage, medium-voltage and signal cables, is fitted in a man-sized duct or tunnel with brackets (10) secured in spaced relationship on the inner periphery of the duct or tunnel or on diagonal braces. These brackets are used for supporting cables (38) drawn in guide tubes (32).
The brackets (10) projecting into the duct or tunnel are made tubular and have at least one flat outer surface (42, 44) extending over the entire length. The brackets are equipped with a locking device (22) at the free end (20).
A guide connection (24) of at least one tube saddle (26) having a hard-plastic cable guide tube (32) which runs approximately at right angles to the longitudinal axis (A) of the guide connection (24) and of the bracket (10) and has a low coefficient of friction is arranged on each bracket (10). The outer contours of the bracket (10) correspond to the inner contours of the guide connection (24) and the latter is displaceable in the direction of the said longitudinal axis (A).
REFERENCES:
patent: 3650499 (1972-03-01), Biggane
patent: 3884438 (1975-05-01), Logsdon
patent: 4051682 (1977-10-01), Lockwood
patent: 4267994 (1981-05-01), Lynch et al.
patent: 4638966 (1987-01-01), Ford
Oberholzer Franz
Zbinden Kurt
Kabelwerke Brugg AG
Taylor Dennis L.
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