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:
Feb. 14, 2017
Filed:
Jul. 23, 2013
Applicant:
Bauer Spezialtiefbau Gmbh, Schrobenhausen, DE;
Inventor:
Karl van der Waal, Selangor Darul Ehsan, MY;
Assignee:
BAUER SPEZIALTIEFBAU GmbH, Schrobenhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/00 (2006.01); E21B 27/00 (2006.01); E21B 7/26 (2006.01); E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
E21B 7/003 (2013.01); E21B 7/265 (2013.01); E21B 17/10 (2013.01); E21B 27/00 (2013.01);
Abstract
A drilling bucket for drilling a bore hole in the ground including a hollow cylindrical body and at least one cutting tool arranged at a lower side of the hollow cylindrical body for cutting soil material. The hollow cylindrical body has a lower opening for receiving soil material cut by the at least one cutting tool. For guiding the hollow cylindrical body in the bore hole an upper guiding device is provided which is arranged above the hollow cylindrical body and fixed to the hollow cylindrical body. The upper guiding device is configured to abut on a side wall of the bore hole.