Bottles and jars – Closures – Frangible member or portion
Patent
1987-08-24
1989-01-31
Norton, Donald F.
Bottles and jars
Closures
Frangible member or portion
B65D 4146
Patent
active
048010324
ABSTRACT:
A closure for containers, such as a blow molded jug having a neck surrounding an opening therein and a pair of vertically spaced fastening configurations on the exterior thereof, the closure having a cap portion and an annular tear skirt depending therefrom. The cap portion and the tear skirt having vertically spaced fastening configurations and a frangible annular wall joining the tear skirt and the cap portion between said fastening configurations. The tear skirt having a vertically positioned frangible wall and a pull tab formed integrally with the tear skirt at one side of said vertical frangible wall and of a height equal to said tear skirt. Vertically positioned ribs on the opposite sides of said pull tab facilitating manual grasping of said pull tab and removing the tear skirt from the closure so as to permit the closure to be removed from the container on which it is applied.
REFERENCES:
patent: 1881529 (1932-10-01), Hammer
patent: 3019936 (1962-02-01), Maulaz
patent: 3913771 (1975-10-01), Acton et al.
patent: 4066182 (1978-01-01), Allen et al.
patent: 4387818 (1983-06-01), Conti
patent: 4561553 (1985-12-01), Crisci
patent: 4589561 (1986-05-01), Crisci
patent: 4658977 (1987-04-01), Crisci
patent: 4667839 (1987-05-01), Crisci
Northern Engineering & Plastics Corp.
Norton Donald F.
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