F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/18
F16J 15/46 (2006.01) F16J 15/32 (2006.01)
Patent
CA 1050582
ABSTRACT A sealing device which can open or seal a gap between two spaces that are maintained at different pressures has two members provided with surfaces flanking the gap and a seal which is receiv- ed in a recess provided in one of the surfaces and extending trans- versely of the gap. The seal has a first section constituting a di- aphragm or a hose which is secured to the recessed member and a sec- ond section resembling a flap integral with but pivotable relative to the first section at that side of the first section which is near- er to the low-pressure space. The first section is deformable in response to admission of pressurized fluid against one of its sides whereby the other side moves the flap, or at least the free margin- al portion of the flap, against the surface of the non-recessed mem- ber. Once the flap is moved to the sealing position, that side thereof which faces away from the gap is or can be exposed to the action of pressurized fluid in the high-pressure space so that the flap continues to sealingly engage the non-recessed member even if the application of fluid pressure against the one side of the first section of the seal is terminated. - 1 -
271791
Bruckl Konrad
Thate Kurt
LandOfFree
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