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:
Dec. 14, 1976
Filed:
Nov. 26, 1975
Applicant:
Inventor:
Charles L Jordan, Pittsburgh, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220268 ;
Abstract
A tabless container opening device of work hardened metal having at least one substantially rigid inwardly displaceable opening panel bounded by a weakening line which includes a fracturable web and having an outwardly projecting deflectable portion in the container wall adjacent the weakening line around the opening panel is formed between first and second die members which displace metal in a container wall to form the weakening line and additionally coin the container wall along a zone adjacent one side of the weakening line.