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:
May. 18, 2021

Filed:

Feb. 28, 2018
Applicant:

Robit Oyj, Lempäälä, FI;

Inventors:

Pasi Korte, Lempäälä, FI;

Antti Leino, Ylöjärvi, FI;

Assignee:

ROBIT OYJ, Lempäälä, FI;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/38 (2006.01); E21B 10/62 (2006.01); E21B 10/60 (2006.01);
U.S. Cl.
CPC ...
E21B 10/38 (2013.01); E21B 10/60 (2013.01); E21B 10/62 (2013.01);
Abstract

A drill bit, drill bit assembly and related methods of manufacture as disclosed involve a head portion having a circumference and a face surface, and a shank portion extending longitudinally from a side of the head portion opposite to the face surface. A central flushing channel extends longitudinally through the shank portion and a distance within the head portion, and a lateral flushing channel extends from the central flushing channel to the circumference of the head portion. A first portion of the lateral flushing channel is inclined, in a flushing fluid flowing direction, towards the face surface with respect to said second portion, and correspondingly, a second portion is inclined, in a flushing fluid flowing direction, towards the shank portion.


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Korte, Pasi. (2021). Drill bit for percussive drilling, a drill bit assembly, and a method for manufacturing such a drill bit (U.S. Patent No. 11008812). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11008812

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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