Cap closure including pierceable sealing element

Details Cap closure including pierceable sealing element Cap closure including pierceable sealing element

1983-01-26

1984-11-13

Norton, Donald F.

Bottles and jars

Closures

Self-sealing, piercable-type closure

B65D 3900

Patent

active

044820690

ABSTRACT:
A cap closure for pharmaceutical containers includes a perforatable stopper-shaped or disk-shaped sealing element covered by a closing cap and is provided for sealing engagement with the container neck. The sealing element is formed as two parts, one consisting of an open supporting part and the other an elastic filling part which is produced by injecting plastic material into the supporting part, the elastic filling part being connected firmly to the supporting part and forming a seal in relation to the container neck.

REFERENCES:
patent: 3760969 (1973-09-01), Shimamoto et al.
patent: 4366912 (1983-01-01), Matukura et al.

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