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:
Aug. 08, 2017
Filed:
Nov. 22, 2011
Applicant:
John James Barry, County Clare, IE;
Inventor:
John James Barry, County Clare, IE;
Assignee:
Element Six Limited, County Clare, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/02 (2006.01); B23B 51/00 (2006.01);
U.S. Cl.
CPC ...
B23B 51/00 (2013.01); B23B 51/02 (2013.01); B23B 2226/125 (2013.01); B23B 2226/315 (2013.01); B23B 2251/446 (2013.01); Y10T 408/81 (2015.01); Y10T 408/9095 (2015.01);
Abstract
A bit for a rotary drill, the bit including a cylindrical body having at least two flutes provided therein, the cylindrical body terminating in a cutting end; and a cylindrical land defined by a peripheral face of the cylindrical body between adjacent flutes, the cylindrical land including a margin that is radially elevated relative to a remainder of the cylindrical land; the margin having a width that varies along the length of the cylindrical land.