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:
Sep. 22, 2020
Filed:
Jan. 18, 2016
Applicant:
Sandvik Intelectual Property Ab, Sandviken, SE;
Inventors:
Assignee:
SANDVIK INTELLECTUAL PROPERTY AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/43 (2006.01); E21C 35/18 (2006.01); E21B 10/62 (2006.01); E21B 10/42 (2006.01); E21B 10/48 (2006.01); E21B 10/60 (2006.01);
U.S. Cl.
CPC ...
E21B 10/43 (2013.01); E21B 10/42 (2013.01); E21B 10/485 (2013.01); E21B 10/602 (2013.01); E21B 10/62 (2013.01); E21C 35/18 (2013.01);
Abstract
A modular rotary claw drill bit having a head is mountable at a body, the head mounting a plurality of front and gauge cutting picks. A cutting tip of each front pick is located at a different radial position at the head to optimise the flushing of cut material and to minimise pick wear during use.