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:
Jun. 20, 2017
Filed:
Aug. 28, 2014
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
Yan Yan, Greensboro, NC (US);
Emmanuel Puviland, Dambach-la-Ville, FR;
Assignee:
KENNAMETAL INC., Latrobe, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23G 5/06 (2006.01); B23G 5/00 (2006.01); B23G 7/02 (2006.01);
U.S. Cl.
CPC ...
B23G 5/06 (2013.01); B23G 5/005 (2013.01); B23G 7/02 (2013.01); B23G 2200/30 (2013.01); B23G 2200/34 (2013.01); B23G 2240/12 (2013.01); Y10T 408/9048 (2015.01); Y10T 408/90467 (2015.01);
Abstract
In one aspect, thread forming taps are described herein. In some embodiments a thread forming tap comprises a shank disposed at a first end adapted to engage a tool holder and an elongated working portion disposed at a second end. The working portion comprises at least one helical thread and a plurality of longitudinally-extending linear grooves. The longitudinally-extending linear grooves intersect the helical thread forming a plurality of lobes, wherein adjacent lobes differ from one another in relief type and/or relief rate.