F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
108/57, 277/71
F16J 15/00 (2006.01) E06B 7/23 (2006.01)
Patent
CA 1113979
Abstract of the Disclosure The invention disclosed relates to air-tight seals between a door and a door frame and is particularly applicable to use with vacuum chambers where both the door and door frame are warped to varying degrees due to the stresses caused by high internal pressures. The invention contemplates a gasket assembly which comprises a retaining means including a groove which extends about and adjacent the perimeter of the door frame and a bead of a resilient solid elastomeric material cured in situ. The bead extends some- what proud of the groove and while in its plastic state the door may be closed against the door frame and the elastomeric material cured in situ, whereby the elastomeric material conforms exactly to the shape of the door to provide an air-tight seal. A sealing composition comprising about 70 - 80%/w of a resilient solid elastomeric material and about 30 - 20%/w of an inert thickening agent is also disclosed.
296946
Rowarth John E.
Royce John H.
Walker John
Anderson J. Wayne
Her Majesty The Queen In Right Of Canada As Represented By The M
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