Anti-panelling container closure

Details Anti-panelling container closure Anti-panelling container closure

1986-04-18

1987-08-11

Norton, Donald F.

Bottles and jars

Closures

With pressure-responsive valve

B65D 5116

Patent

active

046855807

ABSTRACT:
A container closure member is adapted for receiving a container sealing liner, the closure member comprising a top panel and a skirt depending downwardly from the top panel. First projections depend downwardly from the top panel interiorly of the closure for defining, with the liner received in the closure member, a first air flow passage extending from beneath the top panel to the skirt. Second projections depend inwardly from the skirt interiorly of the closure for defining, with the liner received in the closure member, a second air flow passage extending downwardly along the skirt to ambient environment, the second air flow passage being in flow communication with the first air flow passage. The liner has container sealing surface at its periphery and a central air flow passage in communication with such first and second air flow passages.

REFERENCES:
patent: 3114467 (1963-12-01), Montgomery
patent: 4036386 (1977-07-01), Nishioka et al.

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