Patent ID: 6814167
Filing Date: 2004-11-09
Classification: E02D,E21B

Abstract:
Boring device for producing a bore with a casing tube, which is introduced into the soil, havinga linkage with a crane attachment on its upper end, a boring tool, which is arranged at a lower end of the linkage, a mounting frame, in which the linkage is held in rotary and axially displaceable manner and which is constructed for mounting on the casing tube, a drive located on the mounting frame and constructed for the rotary driving of the linkage and a connecting device for making a torque strength connection between the casing tube and the mounting frame, whereinthe linkage is hollow and has a first flushing line and a second flushing line and in the vicinity of the upper end of the linkage are provided a first connection for supplying a fluid to the first flushing line are provided and a second connection constructed for removing the borings via the second flushing line.