Containment seal assembly

Details Containment seal assembly Containment seal assembly

1990-11-08

1992-03-31

Marcus, Stephen

Bottles and jars

Closures

Self-sealing, piercable-type closure

215247, B65D 5120

Patent

active

051000105

ABSTRACT:
A cap assembly for use with a container having a stopper and a closure including a cap defining a chamber above a stopper. The cap on said closure, said cap including an access disc penetrable by a syringe position in alignment with the stopper for access to the container by the syringe. The assembly further including vent ports for communication between the chamber and the atmosphere. Finally there is a filter in the chamber for filtering gas flow through the vent port.

REFERENCES:
patent: 2342215 (1944-02-01), Perelson
patent: 2667986 (1954-02-01), Perelson
patent: 3321098 (1967-05-01), Ogle
patent: 3707239 (1972-12-01), Harris, Sr. et al.
patent: 3977555 (1976-08-01), Larson
patent: 4261474 (1981-04-01), Cohen
patent: 4465200 (1984-08-01), Percarpio
patent: 4582207 (1986-04-01), Howard et al.
patent: 4834149 (1989-05-01), Fournier et al.
patent: 4869384 (1989-09-01), Ogle, II
patent: 4920976 (1990-05-01), Calzi et al.

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