Ring seal tamper indicating device

Details Ring seal tamper indicating device Ring seal tamper indicating device

1984-04-23

1986-03-04

Smith, Robert I.

Special receptacle or package

Tamper proof

215232, B65D 4132

Patent

active

045735824

ABSTRACT:
A ring seal tamper indicating device is disclosed in the form of a preselectively fracturable ring seal for sealing the space between a container and its closure. The ring seal has an adhesive on its top and bottom surfaces whereby removal of the closure causes the ring seal to fracture or distort to warn the user of prior tampering. As an alternative, the ring seal may be impregnated with an adhesive.

REFERENCES:
patent: 3952869 (1976-04-01), Sansom
patent: 4223897 (1980-09-01), Staab
patent: 4418834 (1983-12-01), Helms et al.
patent: 4423819 (1984-01-01), Cummings

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