Patent ID: 7306405

Claim:
Boring appliance for producing a concrete element in the ground comprising: a vehicle having a front area and a rear region opposite the front area, a tower located on the vehicle at the front area, a water tank located on the vehicle, a counterweight located on the vehicle in the vehicle rear region, a concrete pump detachably held in the vehicle rear region, the concrete pump being located in the vicinity of the counterweight and constituting an additional counterweight with respect to the tower for improving the stability of the boring appliance, holding means detachably connecting the concrete pump to the vehicle, a boring tool installed for introduction into the ground at the tower, for forming a cavity, wherein the boring tool is a simple soil auger, a soil auger with rotary encasing tubes, or a displacement boring tool, a delivery line, through which concrete from the concrete pump can be pumped into the cavity formed by the boring tool for forming the concrete element, and means provided on the vehicle in the vicinity of the delivery line for preventing premature hardening of the concrete in the delivery line due to increased solar radiation.