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:
Apr. 05, 2016

Filed:

Sep. 14, 2011
Applicants:

Terry Scanlon, Co. Clare, IE;

John James Barry, Co. Clare, IE;

James Doyle, Co. Clare, IE;

Inventors:

Terry Scanlon, Co. Clare, IE;

John James Barry, Co. Clare, IE;

James Doyle, Co. Clare, IE;

Assignee:

Element Six Limited, County Clare, IE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/06 (2006.01); B23P 15/32 (2006.01);
U.S. Cl.
CPC ...
B23B 51/06 (2013.01); B23P 15/32 (2013.01); B23B 2224/28 (2013.01); B23B 2226/125 (2013.01); B23B 2226/315 (2013.01); B23B 2226/72 (2013.01); B23B 2240/08 (2013.01); B23B 2251/02 (2013.01); B23B 2251/202 (2013.01); B23B 2251/408 (2013.01); Y10T 408/455 (2015.01); Y10T 408/81 (2015.01); Y10T 408/9097 (2015.01);
Abstract

A twist drill assembly () comprising a shaft () and a drill tip (); the shaft having a single internal shaft conduit () for a fluid, extending between orifices () formed into the shaft; the drill tip having an internal drill tip conduit () for the fluid, extending between orifices formed into the drill tip; the shaft and the drill tip configured such that the drill tip is connectable to an end of the shaft with the internal drill tip conduit in communication with the internal shaft conduit, allowing the fluid to be capable of flowing from the internal shaft conduit into the internal drill tip conduit; the internal shaft conduit having a spiral form aligned with a central longitudinal axis of the shaft, and configured to complement the arrangement of spiral flutes () formed on the shaft.


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