Container with easy-open end

Claim 1

AN EASY OPEN END CLOSURE FOR A CONTAINER COMPRISING: A SHEET METAL END INCLUDING A PLANAR CENTRAL PANEL AND A PERIPHERAL PORTION ADAPTED TO BE SECURED TO A CONTAINER BODY; SAID CENTRAL PANEL HAVING AN INNER SURFACE ADAPTED TO BE DISPOSED WITHIN SAID CONTAINER BODY AND AN OUTER SURFACE ADAPTED TO BE DISPOSED WITHOUT SAID CONTAINER BODY; SAID CENTRAL PANEL HAVING AT LEAST ONE SHAPED APERTURE EXTENDING THERETHROUGH FROM SAID INNER TO SAID OUTER SURFACES; AN IMPERFORATE METALLIC FOIL INNER PATCH OF SUBSTANTIALLY UNIFORM TEARABILITY HAVING AN ADHESIVE LAYER ON ONE SURFACE THEREOF; SAID INNER PATCH OVERLYING SAID APERTURE AND BEING DISPOSED WITH A PORTION OF SAID ADHESIVE LAYER CONTACTING AND ADHERING TO SAID INNER SURFACE SURROUNDING SAID APERTURE AND THE REMAINING PORTION OF SAID ADHESIVE LAYER BEING EXPOSED WITHIN THE BOUNDARIES OF SAID APERTURE; AN IMPERFORATE METALLIC OUTER PATCH JUXTAPOSED TO SAID OUTER SURFACE AND OVERLYING SAID APERTURE; AT LEAST ONE OF SAID PATCHES BEING EMBOSSED TOWARDS SAID OTHER PATCH TO BRING SAID OUTER PATCH AND THE EXPOSED PORTION OF SAID ADHESIVE LAYER INTO ADHERING CONTACT, SAID INNER PATCH BEING MORE READILY TEARABLE THAN SAID OUTER PATCH; THE ADHESIVE LAYER WITHIN SAID APERTURE THAT ADHERES SAID INNER AND OUTER PATCHES TOGETHER BEING THINNER THAN THE ADHESIVE LAYER THAT ADHERES SAID INNER PATCH TO SAID PANEL AND A PORTION OF SAID ADHESIVE WITHIN SAID APERTURE EXTENDING LATERALLY OF THE ADHERING SURFACES OF SAID INNER AND OUTER PATCHES TO SUBSTANTIALLY FILL ANY VOIDS WITHIN SAID APERTURE; AND TAB MEANS ON SAID OUTER PATCH WHICH, WHEN MANUALLY GRIPPED AND PULLED, CAUSES SAID OUTER PATCH TO LIFT AWAY FROM SAID END AND SIMULTANEOUSLY CAUSES THAT ADHERED PORTION OF SAID INNER PATCH WITHIN THE BOUNDARIES OF SAID APERTURE TO TEAR AWAY FROM THE REMAINDER OF SAID INNER PATCH AND REMAIN ADHERED TO SAID OUTER PATCH, THUS OPENING THE APERTURE IN SAID END.