Airtight door assembly

Details Airtight door assembly Airtight door assembly

E - Fixed Constructions

06

B

108/54, 312/73

E06B 7/16 (2006.01) E05C 19/00 (2006.01) E06B 7/23 (2006.01)

Patent

CA 1272417

ABSTRACT OF THE DISCLOSURE There is provided a new and useful door assembly comprising a door; an inflatable seal disposed around the perimeter of the door and including means for connecting the seal to a compressed air supply; a pneumatic door locking device including means for connecting the device to a compressed air supply; and means for simultaneously charging the compressed air to the seal and the locking device through the respective ones of the means for connecting.

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