Team Reamer to weaken the walls of a Hole, which is used in a previous stage of excavation process for Sinking block in underground Mining or stages of drilling, comprising a Cylindrical structure, a Second Cylinder through the Prim Er Cylinder by its Center which has a Shaft connected to mechanisms of Reamer.

摘要

Team to weaken the walls of a Reamer Drilling, which is used in a previous stage of the process of excavation for underground Mining subsidence of blocks or in stages of drilling Wells, comprising a Cylindrical structure, a Second Cylinder through the pri MER by Center Cylinder has a Shaft connected to mechanisms of Reamer.