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.
Patent No.:
Date of Patent:
Mar. 02, 2021
Filed:
Nov. 27, 2017
Applicant:
Bauer Maschinen Gmbh, Schrobenhausen, DE;
Inventor:
Sebastian Bauer, Schrobenhausen, DE;
Assignee:
BAUER Maschinen GmbH, Schrobenhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/02 (2006.01); E21B 10/60 (2006.01); E21B 4/14 (2006.01); E21B 6/04 (2006.01);
U.S. Cl.
CPC ...
E21B 6/04 (2013.01); E21B 4/14 (2013.01); E21B 10/02 (2013.01); E21B 10/60 (2013.01);
Abstract
The invention relates to a rotary drilling tool and to a method for producing a borehole in the ground, having a base body, a removal device which has at least one hammer unit which comprises a hammer element driven in axially reversing manner, and a discharge line for discharging removed ground material and drilling suspension. According to the invention it is provided that a pumping device is arranged on the base body along the discharge line, and that the pumping device is configured for pumping off the removed ground material with drilling suspension through the discharge line.