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. 22, 1985
Filed:
Apr. 01, 1985
Applicant:
Inventors:
Anthony Shideler, Albany, IN (US);
Dwight B Raddatz, Woodridge, IL (US);
Assignee:
Ball Corporation, Muncie, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T / ;
U.S. Cl.
CPC ...
378 58 ; 378 56 ;
Abstract
An apparatus and method are disclosed for detecting voids in metal strip that are otherwise invisible through the use of X-ray radiation. The apparatus and method provide continuous and automatic inspection of sheet metal for localized voids through the continuous analysis of an electrical signal for departures from a norm, corresponding to homogeneousness, that represents such voids.