Reusable container closure cap

Details Reusable container closure cap Reusable container closure cap

1980-08-29

1982-10-19

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4148

Patent

active

043546102

ABSTRACT:
A closure cap particularly suited for use with containers such as milk bottles includes multiple sealing areas as well as frangible locking means. The locking means is located near the lower rim of a skirt portion of the closure cap. If the locking means has not been tampered with, an interlocking engagement between the locking means and a complementary portion of the container retains the cap on the container. If the locking means has been tampered with, the cap can be removed from the container. A visual inspection of the closure cap readily indicates whether the locking means is in tampered or untampered condition. In one embodiment, the cap can be repeatedly snapped into place on the container, and in other alternative embodiments, the cap can be repeatedly threaded onto the container. The multiple sealing areas not only seal the contents of the container, but one of the areas also prevents dust, dirt, or other contaminants from having access to the other sealing areas.

REFERENCES:
patent: 3722729 (1973-03-01), Yamada
patent: 3899097 (1975-08-01), Aichinger
patent: 4055267 (1977-10-01), Blair
patent: 4200196 (1980-04-01), Bashour
patent: 4209101 (1980-06-01), Brown

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