Current generic seal design fails to address 2 key issues when examining pilfered airline carts.
Traditional pull up seals generally do not sit flush against the catering carts. They have flags protruding from their locking mechanisms leaving them vulnerable to crushing in transit. As these heavy and laden solid metal carts are moved into trucks to go airside onto departing flights, carts are jossled and bashed together.
Protruding plastic is vulnerable to accidental and, more importantly, deliberate acts of sabotage where it is easy enough to make it appear as if the seals were broken accidently.
completely eradicates accidental breakage!
cannot be re-fed
is 70% cheaper to transport htan tradtional seals
is solid, robust and durable providing an effective deterrence.
is patented, looks nothing like any other similar seal and can’t be supplemented with lookalike seals.
The Alto PS4 solution is a re-usable padlock with a consumable one time use disposable PS4 seal.