| US 7,506,568 B2 | ||
| Sealed upscale total containment vessel | ||
| Kim W. King, San Antonio, Tex. (US) | ||
| Assigned to NABCO, Inc., Canonsburg, Pa. (US) | ||
| Filed on Nov. 05, 2004, as Appl. No. 10/982,182. | ||
| Claims priority of provisional application 60/517632, filed on Nov. 05, 2003. | ||
| Prior Publication US 2009/0044690 A1, Feb. 19, 2009 | ||
| Int. Cl. F42B 33/00 (2006.01) | ||
| U.S. Cl. 86—50 [588/403; 588/900] | 14 Claims |
| 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.
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