Security seal for cargo containers

Details Security seal for cargo containers Security seal for cargo containers

2007-06-12

2007-06-12

Estremsky, Gary (Department: 3676)

Closure fasteners

Seals

Encasing

C070S057100, C070S439000

Reexamination Certificate

active

10950741

ABSTRACT:
The security seal for cargo containers and freight trailers which has a gas cartridge which supplies gas through a two position valve when it is opened and onto a two way valve which in the activated position supplies gas under pressure to a pressure hose looped around the locking bar or bars of a container or trailer. This gas pressure hose holds the two way valve in the activated position so that gas is supplied to the pressure hose. If the pressure hose is broken or disconnected, pressure means move the two way valve to the security breached position allowing gas to go into an ink reservoir which releases the ink onto the container leaving a permanent identified mark. The two position valve can be deactivated by means to move the valve. This valve can be moved into the deactivated position by a magnet. This security seal can also be deactivated by supplying gas under pressure from an external source to hold the two way valve in the activated position which will allow the pressure hose to be disconnected.

REFERENCES:
patent: 3441304 (1969-04-01), Chidley et al.
patent: 3963145 (1976-06-01), Fegley et al.
patent: 4326741 (1982-04-01), Wilson
patent: 4793644 (1988-12-01), Swift
patent: 5058088 (1991-10-01), Haas et al.
patent: 5125700 (1992-06-01), Fattori et al.
patent: 5755175 (1998-05-01), White et al.

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