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:
Feb. 21, 2017
Filed:
Jan. 15, 2014
Applicant:
Southwest Research Institute, San Antonio, TX (US);
Inventors:
Clinton J. Thwing, Bulverde, TX (US);
Don E. Mahoney, San Antonio, TX (US);
Assignee:
SOUTHWEST RESEARCH INSTITUTE, San Antonio, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26D 3/14 (2006.01); B26D 1/547 (2006.01); B23D 57/00 (2006.01);
U.S. Cl.
CPC ...
B26D 3/14 (2013.01); B23D 57/003 (2013.01); B23D 57/0007 (2013.01); B26D 1/547 (2013.01); Y10T 83/0304 (2015.04);
Abstract
A method and apparatus for forming a starter notch along the length of a work-piece for subsequent fatigue testing. The starter notch is formed with a cutting wire such that it will promote fatigue-cracking in the work-piece in one defined direction and avoids cracking in directions other than the length direction of the starter notch. Improved fatigue-testing analysis may therefore be realized.