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:
May. 30, 1989
Filed:
May. 27, 1987
Andrew J Brewer, Canoga Park, CA (US);
Jeffrey W Gunn, Thousand Oaks, CA (US);
James P Hagan, Chatsworth, CA (US);
APV Rosista, Inc., Rockford, IL (US);
Abstract
A safety vent seal assures a release path for the residual volatile beverage that can be expected to be found within a disposable container. The container is sealed by an inner valve is urged toward a sealing relationship with an outer valve member by a semi-compressed spring and the second valve is urged toward a sealing relationship with the valve body by a second semi-compressed spring. The safety vent seal may be located either between the inner valve and the outer valve or between the outer valve and the valve body. In the former case, the safety vent seal is generally cross-shaped while, in the latter case, the seal is generally 'C-shaped'. In both configurations, the seal expands as a consequence of the tapping of the valve and inserts itself into an otherwise-sealed relationship. aperture notch expand, preventing the valve from resealing when the tap is removed.