|Application No.||Application Title||Issue Date|
|20120067650||MODULAR SYSTEM OF MUTLI-PURPOSE RODS FOR DRILLING SOIL|
A modular system of multipurpose rods for drilling soil is constituted by rods (1) crossed by an internal passage (2) for the passage of concrete, of substantially cylindrical shape, that completely crosses the rod; each of the rods is provided at the endi...
|20070105405||Method and equipment for making an impermeable diaphragm of secant piles|
Described herein is a method and equipment for making an impermeable diaphragm of secant piles, based upon the execution of parallel holes with constant distances between centres, said method and equipment being of the type that uses a drill rod (5) equipped, at ...