Patent ID: 6637978
Filing Date: 2003-10-28
Classification: E02F

Abstract:
A working machine for laying wires, the machine comprising:a supporting frame which can be connected to drive means suitable to move said frame along a predefined length of an excavation, excavation means suitable to execute said excavation, laying means having a feeding duct to lay wire inside said excavation, filling up means to fill up said excavation; and consolidation means of said excavation, which are located in an intermediate position between said excavation means and said laving means in order to consolidate the just executed excavation; wherein the excavation means, the laying means and the filling up means are all supported by said frame, and wherein an excavation width of the excavation is substantially comprised between 5 and 7 cm and a working depth of the excavation is substantially variable between 25 and 50 cm; and said feeding duct comprising a closing wall which can be disengaged from the duct in order to allow inspection of the duct.