Helical cut seal

Details Helical cut seal Helical cut seal

F - Mech Eng,Light,Heat,Weapons

16

J

164/25, 277/35,

F16J 9/12 (2006.01) B26D 1/147 (2006.01) F16J 15/32 (2006.01)

Patent

CA 2017064

ABSTRACT OF THE DISCLOSURE A ring seal has a radial cut, so that the ring seal may be transversely installed over a coaxial element. The cut extends radially and circumferentially to provide cut surfaces that overlap in intimate contact and maintain intimate contact to inhibit leakage between the cut surfaces when the ring seal radially expands. The cut surfaces are helicoid, each characterized by a radial generatrix that is constantly perpendicular to the axis of the seal. A method and apparatus are disclosed for making a ring seal having helical cut surfaces.

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