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:
Aug. 22, 2017

Filed:

Oct. 23, 2012
Applicant:

Sandvik Intellectual Property Ab, Sandviken, SE;

Inventor:

Conny Seppala, Gavle, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/46 (2006.01); E21B 10/36 (2006.01); E21B 10/56 (2006.01); E21B 10/38 (2006.01);
U.S. Cl.
CPC ...
E21B 10/56 (2013.01); E21B 10/36 (2013.01); E21B 10/38 (2013.01); E21B 10/46 (2013.01);
Abstract

A drill bit for percussive rock drilling tools includes a drill bit head having a front surface including a face surface defining a forward-most end of the drill bit head and at least one hole in the drill bit head for receiving a button. The drill bit includes at least one recess located in the face surface. The recess is larger than the hole. The hole is disposed in the recess so that an open end of the hole is disposed below the face surface. The drill bit head further includes a gauge surrounding the face surface, the recess being partially disposed in the gauge.


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