Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent
1977-07-07
1979-03-27
Knowles, Allen N.
Dispensing
With cutter and/or punch
To form dispensing opening in container
222 91, B67B 724
Patent
active
041461533
ABSTRACT:
There is disclosed a sterile dispensing device in which sterile material in liquid or powdered form is supplied and from which the material can be transferred, as in a laboratory or hospital, to another sealed sterile container such as a bottle or flexible plastic bag. The device comprises a flexible plastic container for containing the material and having a sealed neck and a hollow cylindrical adapter mounted on the neck and having a hollow spike and hollow needle therewithin which are in communication with each other. Means, such as external threads on the container neck and engaged with internal threads in one end of the adapter, enable the adapter to be rotated and thereby moved from one position to another operative position wherein the spike pierces the container neck seal and enables the material to be transferred through the spike and the needle, as when the needle is inserted into the aforesaid other sealed container. The adapter, which is provided with a removable protective cover at one end and which has a built-in filter, is maintained in the aforesaid position prior to use by means of a removable sealing member which secures it to the container.
REFERENCES:
patent: 3158155 (1964-11-01), Myerson et al.
patent: 3171412 (1965-03-01), Braun
patent: 3736932 (1973-06-01), Satchell
patent: 3889673 (1975-06-01), Dovey et al.
patent: 3977555 (1976-08-01), Larson
patent: 4018222 (1977-04-01), McAleer
Knight Development Corporation
Knowles Allen N.
Nilles James E.
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