Arrangement for the sealing-off of metallic cylindrical bodies

Details Arrangement for the sealing-off of metallic cylindrical bodies Arrangement for the sealing-off of metallic cylindrical bodies

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 41/02 (2006.01) F16J 15/16 (2006.01) F16J 15/28 (2006.01) F16J 15/32 (2006.01) F16K 41/04 (2006.01)

Patent

CA 2101694

ABSTRACT OF THE DISCLOSURE A sealing arrangement for the sealing-off of metallic cylindrical bodies is disclosed, particularly for shafts in cryogenic valves which are surrounded by an essentially ring-shaped sealing device which cannot be glued to metal. The sealing device is surrounded by a ring which is arranged concentrically with respect to the shaft, consists of a metal alloy with shape memory characteristics and with a one-way characteristic and the interior shape of which is adapted to the exterior shape of the sealing device and which contracts when the transition temperature is exceeded.

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