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. 20, 1990
Filed:
Dec. 22, 1988
Applicant:
Inventors:
Lyndon R Leining, Austin, MN (US);
Eric S Vandenberg, Austin, MN (US);
Ralph O Erlandson, Austin, MN (US);
Assignee:
Geo A. Hormel & Co., Austin, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 493 ; 73 454 ;
Abstract
The present invention is a method and apparatus for testing filled containers. The apparatus includes both a vacuum sensor and displacement sensors in combination. A computer is utilized to analyze the data from both the vacuum sensor and the displacement sensors, and based on preselected criteria, determines the seal integrity for the container.