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.

Date of Patent:
Aug. 13, 1991

Filed:

Dec. 14, 1989
Applicant:
Inventor:

Jan L Dorfman, Littleton, CO (US);

Assignee:

Coors Brewing Company, Golden, CO (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
215324 ; 215 / ; 215 31 ; 220310 ;
Abstract

A closure assembly for a pressurized, plastic beverage container having an upper end opening comprising: an annular container neck defining the container upper end opening comprising a radially extending top surface, an axially extending surface, and a lower, generally radially extending surface; a gasket positioned on top of the annular container neck; and a container cap comprising a flat central body positioned in covering relationship with the container opening and in abutting engagement with the gasket; and an annular flange includinngn an axially extending portion positioned in parallel, adjacent, noncompressive relationship with the axially extending surface of the container neck, and a generally radially inwardly extending portion positioned in abutting, compressive contact with the lower, generally radially extending surface of the container neck whereby upwardly directed axial force on the container cap produced by pressurization of the container is resisted by downwardly directed axial force applied by the lower, generally radially extending surface of the container neck to the generally radially inwardly extending portion of the flange of the cap.


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