Tamper-proof security seal

Details Tamper-proof security seal Tamper-proof security seal

1994-03-08

1994-11-15

Lindsey, Rodney M.

Closure fasteners

Seals

Rigid shackle ends

292322, B65D 5506

Patent

active

053641418

ABSTRACT:
A novel security seal which cannot be removed without destroying or defacing the seal, thereby rendering tampering detectable. The novel seal comprises a strap having a tongue end, a locking head at the other end, with a key and stop plate disposed therebetween. To engage the seal, the tongue is looped around and inserted through the locking head. As it is pulled tight, the key engages a lock plate inside the head. When the key is fully engaged, the stop plate abuts the head, preventing undetected tampering or withdrawal of the tongue. In locked position, the tongue remains exposed and is therefore a convenient location for coded information.

REFERENCES:
patent: 3466077 (1969-09-01), Moberg
patent: 3556575 (1971-01-01), Farba
patent: 3605199 (1971-09-01), Eberhardt
patent: 3718355 (1973-02-01), Carter
patent: 3735449 (1973-05-01), Rosales
patent: 3830538 (1974-08-01), Moberg
patent: 3881759 (1975-05-01), Fuehrer
patent: 3973293 (1976-08-01), Noorily
patent: 4093288 (1978-06-01), Suzuki
patent: 4097966 (1978-07-01), Lefnaer
patent: 4287644 (1981-09-01), Durand
patent: 4424994 (1984-01-01), Dowden
patent: 4609218 (1986-09-01), Chevillard et al.
patent: 4722562 (1988-02-01), Burt

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