Receptacles – Receptacle side wall made of two or more layers of material... – Beverage receptacle
Patent
1974-08-26
1978-06-06
Dixson, Jr., William T.
Receptacles
Receptacle side wall made of two or more layers of material...
Beverage receptacle
220 66, B65D 744
Patent
active
040931021
ABSTRACT:
An end panel for a container is specifically configured to be able to substantially reduce the metal thickness without sacrificing resistance to bulging and buckling of the panel when subjected to high internal pressures. The end panel consists of a central portion that has an outwardly directed annular bead around the periphery thereof which is connected to a countersink or inwardly directed bead along a flat first wall portion. The outer end of the countersink or inwardly directed bead has a second flat wall portion, the outer end of which is connected to a peripheral curl by a third flat wall portion and the curl is adapted for seaming the end panel to a container body. The first and third flat wall portions of the panel define small acute angles with respect to a vertical plane that extends perpendicular to the central panel portion while the second flat wall portion defines an angle of less than 4.degree. with respect to the vertical plane.
REFERENCES:
patent: 2234485 (1941-03-01), Connor
patent: 2894844 (1959-07-01), Shakman
patent: 3383006 (1968-05-01), Knize
patent: 3400853 (1968-09-01), Jacobsen
patent: 3409167 (1968-11-01), Blanchard
patent: 3417898 (1968-12-01), Bozek et al.
patent: 3690507 (1972-09-01), Gailus et al.
patent: 3770161 (1973-11-01), Knize
patent: 3843014 (1974-10-01), Cospen et al.
Dixson, Jr. William T.
National Can Corporation
Rath Ralph R.
Shoap Allan N.
Stenzel Robert A.
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