Tamper indicating cap assembly

Details Tamper indicating cap assembly Tamper indicating cap assembly

1985-05-23

1987-05-19

Norton, Donald F.

Bottles and jars

Closures

Including visual indicia

215347, 428467, B65D 5304

Patent

active

046660526

ABSTRACT:
An inner seal for containers that is capable of providing a visual indication of tampering. The innerseal comprises a membrane that it at least partially translucent, a layer of heat flowable material coated on one major surface of the translucent membrane, a rupturable, non-translucent membrane overlying the layer of heat flowable material, and an adhesive or heat-sealable composition overlying the surface of the rupturable membrane that is not in contact with the heat flowable material.

REFERENCES:
patent: 2044922 (1936-06-01), Swift et al.
patent: 2077992 (1937-04-01), Eisen
patent: 2099641 (1937-11-01), Bach et al.
patent: 2131774 (1938-10-01), Waring
patent: 2964867 (1960-12-01), Kingsley
patent: 4418834 (1983-12-01), Helms
patent: 4502605 (1985-03-01), Wloszczyna
patent: 4505399 (1985-03-01), Weiner

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