Bottles and jars – Closures – Frangible member or portion
Patent
1979-01-29
1980-11-25
Norton, Donald F.
Bottles and jars
Closures
Frangible member or portion
215308, B65D 4120
Patent
active
042353440
ABSTRACT:
An internally threaded dispensing closure for an externally threaded pharmaceutical container having a pour lip. The top surface of the closure defines a first opening surrounded by an upwardly extending port having a membrane therewithin. The spike of an administration set or the like may be inserted into the port to pierce the membrane. The top surface of the closure also defines a second opening having a hydrophobic filter communicating with the air above the top portion and also below the top portion. A gasket is carried by the underside of the top portion for sealing engagement with the pour lip of the container.
REFERENCES:
patent: 2186908 (1940-01-01), Page
patent: 2812117 (1957-11-01), Butkus
patent: 3293773 (1966-12-01), Frazer
patent: 3734098 (1973-05-01), Schneller
patent: 3746001 (1973-07-01), Ralston
patent: 3945382 (1976-03-01), Ogle
patent: 4046276 (1977-09-01), Winchell
Kulle Lee K.
Rudzena William L.
Baxter Travenol Laboratories Inc.
Flattery Paul C.
Gerstman George
Kirby, Jr. John P.
Norton Donald F.
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