Device and method for extracting the ground without breaking a rush of lead water pipe and replace it at the same time, a rush of plastic.

摘要

DEVICE AND METHOD FOR REMOVING THE LAND A COMMITTED without breaking water conveyance LEAD AT THE SAME TIME AND REPLACE THE ONE RUSH OF PLASTIC MATERIAL. The device includes a tripwire (8) on which is fixed at a distance from its end TRACTION than the length (L) RUSH LEAD (3) Extract, A OLIVETA CALIBRATION (18) THEN Behind This anchoring members (19) DISTRIBUTED BY GROUPS REGULARLY STAGED; Each organ ANCHOR (18) includes a TOOTH ANCHOR (20) projecting AHEAD, BEING THE TEETH OF ORGANS same group equiangularly oriented; A TOPE (22) of sufficient thickness to rest on the rear end (6) RUSH TO LEAD IS POSTED ON CABLE TO A DISTANCE (D) OLIVETA CALIBRATION POORLY less than the length (L) of said RUSH.