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:
Oct. 08, 1996
Filed:
May. 05, 1995
Applicant:
Inventors:
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; B07C / ;
U.S. Cl.
CPC ...
356237 ; 356240 ; 2502 / ; 2502 / ; 209585 ; 209577 ; 209588 ;
Abstract
An apparatus and method for detecting the presence material irregularities and holes in thin walled opaque objects such as can ends having a generally centrally disposed integral rivet formed therein. A radiation source is focused so that a substantial portion of emitted radiation is concentrated on the portion of a can end in which the rivet is formed.