Container with tamper indicator using piped light

Details Container with tamper indicator using piped light Container with tamper indicator using piped light

1989-02-17

1990-05-22

Marcus, Stephen

Bottles and jars

Closures

Having warning means or means impeding closure removal

215230, 215250, 220265, 350 962, B65D 5502

Patent

active

049270362

ABSTRACT:
A tamper evident device is disclosed herein comprising in its most basic form a light guide with finished ends; one of which serves to collect light, the other to emit said light to serve as a light emitting indicator. The invention is attached to closures and containers so that upon opening, the light path is interrupted causing the indicator to go dark, thus signalling a tampered condition.

REFERENCES:
patent: 3780248 (1973-12-01), Martin
patent: 3819928 (1974-06-01), Kuroyama et al.
patent: 4071726 (1978-01-01), Werda
patent: 4095872 (1978-06-01), Stieff et al.
patent: 4104981 (1978-08-01), Ono et al.
patent: 4106849 (1978-08-01), Stieff
patent: 4130341 (1978-12-01), Stieff
patent: 4161348 (1979-07-01), Ulrich
patent: 4407562 (1983-10-01), Young
patent: 4432601 (1984-02-01), Mannschke
patent: 4447123 (1984-05-01), Page et al.
patent: 4489841 (1984-12-01), Thompson
patent: 4609114 (1986-09-01), Roy
patent: 4657339 (1987-04-01), Fick
patent: 4662710 (1987-05-01), Berge
patent: 4682844 (1987-07-01), Mori

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