Ball and socket closure for specimen collection container incorp

Details Ball and socket closure for specimen collection container incorp Ball and socket closure for specimen collection container incorp

1997-09-12

1999-10-26

Soderquist, Arlen

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

215312, 215247, 222545, 422 99, B65D 4700, B01L 300

Patent

active

059722975

ABSTRACT:
A closure for sealing an open end of a specimen collection container from the environment is provided. The closure includes a socket mountable on an open end of the collection container for enclosing an interior region of the collection container. The closure further includes a generally spherical-shaped ball mounted within the socket which includes an environment-contacting surface, an opposed specimen-contacting surface and a passageway extending therethrough. The passageway is aligned with the open end of the collection container when the ball is in an open position. The environment-contacting surface is exposed to the external environment and the specimen-contacting surface is exposed to the interior region of the collection container when the ball is in a closed position. The ball further includes a piercable septum. The closure is capable of maintaining negative air pressure within collection container, with the piercable septum capable of being repeatedly pierced.

REFERENCES:
patent: 3603471 (1971-09-01), Harris et al.
patent: 3757981 (1973-09-01), Harris, Sr. et al.

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