H - Electricity – 02 – G
Patent
H - Electricity
02
G
H02G 9/02 (2006.01) E21B 7/18 (2006.01) E21B 7/28 (2006.01) G02B 6/44 (2006.01) H02G 1/06 (2006.01)
Patent
CA 2192692
A method of installing a transmission line (such as an optical fibre telecommunications line) in the ground comprises the steps of forming a tunnel in the ground using a mole constituted by a water-jetting head (H) and piping (8) for supplying pressurised water to the head, and positioning the transmission line in the tunnel. The head (H) is guided along a pre-installed buried elongate member such as a twisted copper pair telecommunications line.
La présente invention concerne un procédé de pose de ligne de transmission enterrée telle qu'une ligne de télécommunications à fibres optiques. Le procédé consiste d'une part à réaliser un tunnel dans le sol au moyen d'une taupe constituée d'une tête à hydrojet (H) et d'un tube alimentant la tête en eau sous pression, et d'autre part à poser la ligne de transmission dans le tunnel. La tête (H) est guidée le long d'un élément oblong enterré préalablement installé tel qu'une ligne de télécommunications à paire torsadée en cuivre.
Gumbs Austin Bernard
Marsden Stephen Andrew
Wettengel Paul Frederick
British Telecommunications Public Limited Company
Gowling Lafleur Henderson Llp
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