Method and device in the context of the laying mechanized underground pipes, electrical or any other equivalent of a flexible pipe comprising a mechanical protection for the mortar or sand, for example.

摘要

The invention, the process and the device relates to the use and the design of the two chambers a and b (fig.) are hinged together and désaccoupables, which is pulled to the bottom of the excavation by the digging it - same, or by any other device which is independent of the laying mechanized, that is to say simultaneously with the opening of the trench, the laying of a raft to the box, the laying of cables or ducts, and the coating of those - ci for the box b, the assembly comprising between the two hoppers a passage of cables or ducts equipped with rollers. & br / the method and device of the invention are intended mainly to companies specializing in the laying of cables or ducts underground of flexibility.