Patent ID: 8678028

Claim:
A lock device for a lock opening arranged in a wall between a first and second receiver with a blocking device arranged in an internal space of the first receiver, or for a lock opening with a blocking device arranged at a separation site between a receiver and an area with permanent atmospheric pressure, and a counterplate allocated to the blocking device, in which a first magnetic device is provided in an area of the counterplate and a second magnetic device allocated to the first magnetic device in an area of the blocking device, and for closure of the lock opening by means of the first and second magnetic device, a positive pressure force is generable between the blocking device and counterplate, wherein the first magnetic device is designed as a switchable magnetic coil that encloses the lock opening along an opening trend once or repeatedly, wherein the coil is positioned to be pressed by the blocking device and is attached by encapsulation with a vacuum compatible casting compound in provided cavities of the components housing the coil.