The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 28, 2016

Filed:

Dec. 02, 2013
Applicant:

Bauer Maschinen Gmbh, Schrobenhausen, DE;

Inventor:
Assignee:

BAUER Maschinen GmbH, Schrobenhausen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 27/04 (2006.01); E21B 3/00 (2006.01); E21B 7/00 (2006.01); E21B 10/44 (2006.01);
U.S. Cl.
CPC ...
E21B 27/04 (2013.01); E21B 3/00 (2013.01); E21B 7/006 (2013.01); E21B 10/44 (2013.01);
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.


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