Receptacles – Closures – With closure opening arrangements for means
Patent
1996-02-14
1997-11-04
Shoap, Allan N.
Receptacles
Closures
With closure opening arrangements for means
220906, D9438, B65D 1734
Patent
active
056830068
ABSTRACT:
A lid for a beverage container having a lifting tab is affixed to the lid by a staking member or rivet which serves as a fulcrum about which the tab pivots. The staking member is disposed radially from the center of the lid. A line of weakness defining a rupturable area in the lid is formed between the staking member and the periphery of the container, and defines a fruto-conical configuration so as to subtend an angle of at least about 90.degree.. The line of weakness is nearly completely continuous, but has one relatively small broken zone whereby the severed area circumscribed by the line is retained by the lid at the broken zone when the area is ruptured to create a hole along the line. The staking member is disposed radially from the center of the lid by at least about 2.5 mm., and the remaining surface area of the lid outside the rupturable surface area defined the line of weakness is greater than if a staking member were disposed in the center of the lid.
REFERENCES:
patent: D338156 (1993-08-01), Cook
patent: D364807 (1995-12-01), Taylor
patent: D365274 (1995-12-01), Cook
patent: D365988 (1996-01-01), Clarke, III
patent: D371073 (1996-06-01), Taylor
patent: 4564119 (1986-01-01), Tsuge et al.
patent: 4913305 (1990-04-01), Hanafusa et al.
patent: 5405039 (1995-04-01), Komura
patent: 5555992 (1996-09-01), Sedgeley
Newhouse Nathan
Peters R. Jonathan
Shoap Allan N.
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