Drilling device and method for producing a borehole
AssigneeBauer Spezial Tiefbau GmbH
InventorAndreas STIMPFLE-ZIEGLER
Life of this patent
Estimating the term…
Abstract
The invention relates to a drilling device for producing a borehole in the ground with a drilling tool driven in a rotating manner for removing ground material and a container for receiving the removed ground material, wherein the container has a lower feed opening, through which the removed ground material can be introduced into the container. It is envisaged that the drilling tool comprises at least one drill flight arranged below the container and that in an inlet area to the container between the drill flight and the feed opening an inlet section is provided, the pitch of which is increased with respect to a pitch of the drill flight.
Claims11
Drilling device for producing a borehole in the ground with
- a drilling tool driven in a rotating manner for removing ground material and
- a container for receiving the removed ground material,
- wherein the container has a lower feed opening, through which the removed ground material can be introduced into the container,
- wherein
- the drilling tool has at least one drill flight which is arranged below the container and has removal tools, and
- in an inlet area to the container between the drill flight and the feed opening an inlet section is provided, the pitch of which is increased with respect to a pitch of the drill flight.
Dependencies are inferred from the claim text.