Plumettaz Holding Sa

Ehtp Enterprise Hydraulique Et Travaux Publics

Entreprise Hydraulique Et Travaux Publics—e.h.t.p.

Plummettaz

Ehtp Entreprise Hydraulique Et Travaux Publics

Joël Perelle

Gérard Plumettaz

Michel Dunand

Olivier Perignon

Claude Trichard

Giovanni Pozzati

Michel Cherix

Bernard Censier

A method for laying a plurality of cable sections to be successively positioned in series in a buried duct, according to a flowing-pushing method using a pressurized fluid. The different cable sections are successively introduced into the duct in a single entry point comprising a laying device notably comprising an orifice for introducing a pressurized fluid, a cable section entirely introduced into the duct is pushed towards the position which it should occupy in the duct, only by the pressure of the fluid introduced by said laying device and when a cable section has reached his final position in the duct, an opening is made in the duct near to the rear of the cable section.

Method for laying a plurality of successive sections of cables in order to form a cabled connection of great length

The invention concerns a method for setting medium or high power electric cables () in the ground, which consists in digging a trench () evacuating the materials derived from the trench () towards a treatment device, for example by crushing, depositing at least a duct or an assembly of three installation ducts in the trench (), backfilling the trench () with the treated materials and setting in said installation duct (), at least a medium or high power electric cable () by pushing it while injecting water () under pressure into the installation duct () so as to use the water () as carrier and discharge fluid for the heat energy resulting from friction between the cable () and the installation duct ().

Method for installing a high or medium power cable in the ground

Growing community of inventors

Montpellier, France

Joël Perelle