Can end closure having first and second sealing means
AssigneeAmerican Can Company
InventorsAlfred E. Balocca, Paul W. Hardy
Life of this patent
Estimating the term…
Abstract
The instant invention relates to an end closure or cover for a metal container comprising a substantially flat sheet metal lid seamed about its extremity to the container body closing the end thereof. The lid has a pour opening having a closure hingedly connected to the lid and closing the pour opening, and wherein first and second sealing means are provided to seal the closure and to provide resistance of the closure to atmospheric pressure and premature opening of the container.
Claims6
An end cover for a container comprising, a central panel having a pour opening and a first closure dimensioned and configured to close said pour opening, first hinge means for manually displaceably mounting said first closure on said panel with said first closure sealingly engaged across said pour opening by first sealing means positioned exclusive of said hinge means and including second sealing means sealingly engaged across said pour opening, said first sealing means having a higher tensile strength than said second sealing means and positioned beneath said second sealing means in a localized area spaced apart from said hinge means.
Dependencies are inferred from the claim text.