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. 09, 2010
Filed:
Feb. 13, 2004
Applicants:
Srecko Zdravkovic, Sterling Heights, MI (US);
Sivakumar Ramasamy, Utica, MI (US);
Inventors:
Srecko Zdravkovic, Sterling Heights, MI (US);
Sivakumar Ramasamy, Utica, MI (US);
Assignee:
Newfrey LLC, Newark, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 55/00 (2006.01); B21C 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for monitoring clinched joints senses lateral displacement of die segments during formation of a joint, which depends on joint button diameter. The system determines whether a joint is acceptable by correlating acceptable button diameter with acceptable amount of punch advancement. A predetermined number of unacceptable joints indicates excessive punch and/or die wear.