Security seal with tampering indicator

Details Security seal with tampering indicator Security seal with tampering indicator

1988-04-27

1989-06-06

Smith, Gary L.

Closure fasteners

Seals

Resilient shackle ends

B65D 3334

Patent

active

048365904

ABSTRACT:
A padlock-type security seal including a U-shaped shackle, a pair of reversely bent end portions, and a transparent body portion having a pair of chambers for receiving the bent end portions. The chambers each have a locking groove therein for receiving the bent end portions. A frangible tab is mounted adjacent one of the locking grooves. Attempts to pick the seal by deforming the shackle will result in breaking the tab. The tab, after breaking, will protrude into the chamber where it can be viewed through the transparent body to indicated tampering.

REFERENCES:
patent: 894278 (1908-07-01), Murray
patent: 906052 (1908-12-01), Murray
patent: 1054440 (1913-02-01), Murray
patent: 1964015 (1934-06-01), Wenk
patent: 2020198 (1935-11-01), Miller
patent: 4146258 (1979-03-01), Andruchlw
patent: 4254977 (1981-03-01), Guiler
patent: 4733893 (1988-03-01), Davis et al.

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