Patent ID: 9318883
Filing Date: 2016-04-19
CPC Classification: E05C,H02B

Claim Text:
1. A sealed enclosure, comprising: a case configured to receive an arc-prone electrical component; a face frame defining an opening in the case; a door configured to cover the opening; a sealing surface provided on a portion of the face frame or on an edge portion of the door adjacent to the face frame; and a plurality of flaps having a sealing portion, the sealing portion angled relative to the sealing surface, the plurality of flaps arranged around the opening and configured to be flexible and deformable and configured and capable of operating to flex from a disengaged position when not under pressure, to an engaged position in contact with the sealing surface when exposed to arcing pressure inside the case during an arcing event so as to seal between the door and the face frame on all edges of the door.