Bottles and jars – Closures – Self-sealing – piercable-type closure
Patent
1994-09-28
1997-05-27
Castellano, Stephen J.
Bottles and jars
Closures
Self-sealing, piercable-type closure
215296, 220254, 220256, B65D 3902
Patent
active
056323964
ABSTRACT:
A body fluid collection assembly includes a tube having an outside surface, an open end and a closed end forming a chamber having an inside wall for holding a body fluid, the tube has a raised annulus at the open end. The assembly includes a closure with a shield having a top, an opening therethrough and a cavity for receiving the open end of the tube. The cavity has an inside surface having at least one protuberance projecting inwardly from the inside surface so that when the open end of the tube is in the cavity, the protuberance engages said annulus retaining said shield on the tube. The assembly includes a sealing element having a top surface and a lower flange and a gas barrier member bonded to the lower flange to form a primary seal with the inside wall of the tube and a secondary seal at the open end of the tube. The assembly further includes a plug housing having a passage and a resilient plug mounted in the passage, and elements for releasably mounting the plug housing on the shield.
REFERENCES:
patent: 3358865 (1967-12-01), Anderson
patent: 4512486 (1985-04-01), Kobayashi et al.
patent: 4635807 (1987-01-01), Knapp
patent: 5100010 (1992-03-01), Waters
patent: 5314084 (1994-05-01), Folta et al.
patent: 5335801 (1994-08-01), Lee
patent: 5405031 (1995-04-01), Derksen
Becton Dickinson and Company
Castellano Stephen J.
Dawson Arthur D.
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