Package employing unique closure seal and container therefor

Details Package employing unique closure seal and container therefor Package employing unique closure seal and container therefor

1986-12-19

1988-02-23

Norton, Donald F.

Bottles and jars

Closures

Cap type

215344, 215DIG1, B65D 4104

Patent

active

047264845

ABSTRACT:
A package including a unique container adapted to cooperate with a closure for establishing a seal wherein the container includes a lower body section for receiving a material therein, and an upper, elongate finish joined to the body section. The finish includes an outer peripheral surface, and an inner peripheral surface defining a passageway communicating the finish with the interior of the lower body section of the container. The upper region of the finish has a stepped configuration in either one or both of the inner and outer peripheral surfaces thereof, and each stepped configuration includes a generally vertically oriented, circumferentially continuous surface segment extending for only a part of the elongate extent of the finish, and a horizontal, upwardly facing ledge section joined at a junction to the inwardly facing surface segment. Preferably the package includes a closure having an upper wall adapted to overlie the passageway defined by the inner peripheral surface of the finish, an outer peripheral skirt extending downwardly from the upper wall for attachment to the outer periphery of the finish and at least one flexible rib dimensioned so that its free end is forced into the junction between a generally vertically oriented surface segment and generally upwardly facing horizontal ledge section of a stepped configuration provided in the container finish, when the closure is tightly fastened to the container.

REFERENCES:
patent: 3302812 (1967-02-01), Busch et al.
patent: 3360149 (1967-12-01), Roth
patent: 3428208 (1969-02-01), Kosar
patent: 3684116 (1972-08-01), Duffy
patent: 3881627 (1975-05-01), Davolt
patent: 4645088 (1987-02-01), Menichetti

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