Pierceable closure member for vial

Details Pierceable closure member for vial Pierceable closure member for vial

1982-08-16

1984-04-10

Norton, Donald F.

Bottles and jars

Closures

Self-sealing, piercable-type closure

B65D 3900

Patent

active

044416210

ABSTRACT:
A pierceable closure member for use on a vacuum-filled vial, including a rubber plug having an annular leg and an annular protrusion, and a lamina having an annular recess and secured to the rubber plug with the annular recess receiving therein the annular leg. For the purpose of retaining the vacuum inside the vial, the annular protrusion on the rubber plug has a specific dimensional relationship to the other parameter of the closure member.

REFERENCES:
patent: 3392859 (1968-07-01), Fischer
patent: 3552591 (1971-01-01), Wimmer
patent: 3760969 (1973-09-01), Shimamoto et al.

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