Vacuum closure for containers

Details Vacuum closure for containers Vacuum closure for containers

1975-05-07

1977-04-19

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215274, 215321, 215350, B65D 4148

Patent

active

040183530

ABSTRACT:
A vacuum closure for a container consisting of a substantially flat and relatively rigid closure member, material for forming a compression-seal disposed around the periphery of the closure member, and a cap-like outer fitment of relatively more flexible material, including a ring-shaped end panel portion extending radially over the outer periphery of the closure member, a skirt portion extending substantially perpendicularly thereto having T-shaped sealing beads in spaced apart circumferential relation on the interior surface thereof, and a lifting ring secured to the ring-shaped end panel for removing the fitment when desired.

REFERENCES:
patent: 2068389 (1937-01-01), Smith
patent: 2312513 (1943-03-01), Wilson
patent: 2901140 (1959-08-01), Robinson
patent: 2947432 (1960-08-01), Marcel
patent: 3656648 (1972-04-01), Powaloski

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