Tamper indicating tape and delaminating film therefore

Details Tamper indicating tape and delaminating film therefore Tamper indicating tape and delaminating film therefore

1988-06-27

1989-10-24

Epstein, Henry F.

Stock material or miscellaneous articles

Hollow or container type article

Paper containing

156344, 206631, 206807, 229102, 428343, 428513, 428916, B32B 710

Patent

active

048761230

ABSTRACT:
A tamper indicating film and tape for use with a package. The tape includes a delaminating film including pahse separated polymers. Indicia are applied to opposing major surfaces of the film indicative of different conditions of the tape. The film is adhesively applied to secure container parts together and enclose an opening in the container. When applied, only one of the indicia are perceptible. When the film is internally delaminated, obscuring one set of indicia and rendering the other set of indicia perceptible.

REFERENCES:
patent: 4000824 (1977-01-01), Han
patent: 4398985 (1983-08-01), Eagon
patent: 4545832 (1985-10-01), Hoffmann
patent: 4557505 (1985-12-01), Schaefer et al.
patent: 4630891 (1986-12-01), Li
patent: 4652473 (1987-03-01), Han
patent: 4759816 (1988-07-01), Kasper et al.

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