<p>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.</p>
申请公布号
CA1272417(A)
申请公布日期
1990.08.07
申请号
CA19860525124
申请日期
1986.11.27
申请人
WESTWELL, LEONARD W., 465 DUCHESS AVENUE, APARTMENT;2 OTTAWA, ONTARIO K2A 1Y4
发明人
WESTWELL, LEONARD W., 465 DUCHESS AVENUE, APARTMENT;2 OTTAWA, ONTARIO K2A 1Y4