E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
108/57
E06B 1/00 (2006.01) B63B 43/24 (2006.01) E06B 7/16 (2006.01) G01M 3/26 (2006.01)
Patent
CA 1097138
ABSTRACT OF THE DISCLOSURE The specification discloses an isolation door assembly which, by virture of having annull provided about the joint between the door coaming and the door framing, about the seal between the door and the coaming, and about any penetration of the door by shafts, etc. provides the means to test the door assembly at installation, and at specified testing intervals. By providing pressure fittings (normally plugged) which commu- nicate with the annull described above, and introducing a testing medium under pressure into said annull, the integrity of all door seals can be tested.
282413
Fetherstonhaugh & Co.
Johnson Andrew P.
LandOfFree
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