Blow molded thermoplastic container having a needle puncture sit

Details Blow molded thermoplastic container having a needle puncture sit Blow molded thermoplastic container having a needle puncture sit

1978-03-16

1979-10-30

Hart, Ro E.

Bottles and jars

Closures

Self-sealing, piercable-type closure

215 1C, B65D 4736

Patent

active

041725344

ABSTRACT:
Disclosed herein is a container of blow molded plastic material which may contain a hermetically sealed biological. Attached to its outer side is an elastomeric diaphragm, adapted for cooperative use with a hypodermic needle as a self-sealing puncture site for injection or aspiration. The diaphragm may be protected by a storage cover which can readily be snapped off when the container is to be used. Also disclosed is a method and an apparatus for making the just described container with diaphragm and storage cover, in the preferred embodiment, as an assembled device, in a blow mold operation in which the container body is blown to fit against and lock to the diaphragm and storage cover.

REFERENCES:
patent: 2848130 (1958-08-01), Jesnig
patent: 3092278 (1963-06-01), Jarnhall

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