Cap for container initially closed by a frangible lid

Details Cap for container initially closed by a frangible lid Cap for container initially closed by a frangible lid

1987-11-06

1989-01-03

Norton, Donald F.

Bottles and jars

Closures

Closure pivoted about receptacle opening

215250, 215252, 222 83, B65D 4134

Patent

active

047950439

ABSTRACT:
A cap for covering a container, the opening of which is initially blocked by a sealed lid. The bottom of the cap is provided with a deformable part provided with a perforation means. A deformable part initially occupies a position in which the perforation means is maintained at a distance from the lid. At the moment of first use of the contianer, the deformable part is lowered to a position in which the perforation means penetrates the plane of the lid. The configuration can be used with screw-on caps, particularly with caps having tamperproof bands, or with hinged caps.

REFERENCES:
patent: 3406872 (1968-10-01), Fiquet et al.

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