Patent ID: 7506568
Filing Date: 2009-03-24
Classification: F42B,F42D,Y10S

Abstract:
1. A blast containment vessel, comprising: a body having an opening; an external door configured to form a seal surrounding the opening when the external door is in a closed position and wherein the external door includes a door support ring surrounding a perimeter of the external door and the body includes an outwardly extending ring surrounding the opening for supporting the door support ring; a ridge located on the door support ring; a valley located in the outwardly extending ring, said valley configured to receive the ridge; an o-ring positioned in the valley to form a first seal between the body and the external door when the external door is in the closed position; a yoke configured to retain the door in the closed position; a first automatic system configured to automatically move the external door into and out of the closed position; and a second automatic system configured to automatically move the yoke when the external door is in the closed position, wherein during and after a blast event, the body and the external door contain products of the blast event and the seal remains intact.