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:
Nov. 30, 1982
Filed:
May. 18, 1981
Applicant:
Inventors:
Neal Langseder, Rolling Meadows, IL (US);
Friedrich Stein, Wauconda, IL (US);
Assignee:
American Can Company, Greenwich, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220269 ; 220273 ;
Abstract
A method of making a retained tab for a container end and a design for same are disclosed. The tab opens in such a way that multiple forms of stress are induced in the tab before the tab will break away from the end. Specifically, the tab endures first a bending stress and then a torsional stress. The mode of stress being defined by the construction of the tab.