Receptacles – Closures – With closure opening arrangements for means
Patent
1975-09-11
1976-04-20
Hall, George T.
Receptacles
Closures
With closure opening arrangements for means
B65D 4132
Patent
active
039512983
ABSTRACT:
An improved can lid of the type including a gate structure defining a normally closed aperture so as to facilitate removal of the contents of the can is disclosed. The lid is constructed from a continuous blank of a sheet metal member which is drawn and shaped to provide an aperture in the surface of the member as well as a gate panel underneath the aperture normally closing same. The surface of the sheet metal member is underfolded about only a portion of the periphery of the aperture as a 180.degree. outward underfold to form a narrow spacer strip at the underside of the lid about the underfolded portion of the periphery of the aperture. The sheet metal member is then infolded about the outer edge of the spacer strip as a 180.degree. inward underfold to continuously merge into the metal sheet portion constituting the gate panel. In conventional fashion, a score line is cut about the edge of the gate panel adjacent to the 180.degree. inward underfold so as to permit the gate panel to be severed from the spacer strip at the score line by downwardly applied pressure.
REFERENCES:
patent: 3334775 (1967-08-01), Klein et al.
patent: 3411661 (1968-11-01), Perry
patent: 3779417 (1973-12-01), Klein
patent: 3794206 (1974-02-01), Deline et al.
patent: 3880316 (1975-04-01), Martella
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