Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1994-01-18
1994-10-11
Gutierrez, Diego F. F.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277236, F16J 1508
Patent
active
053540727
ABSTRACT:
According to a first aspect of the invention a metal sealing ring has a hollow cross section which is open at its radially innermost side and has limbs generally directed towards the radially innermost side. The radially outermost region of the cross section is provided with reinforcement so as to locally increase its hoop strength. According to a second aspect of the invention, a hollow self-energising metal sealing ring and a seating for the sealing ring are provided with complimentary radial cross sectional shapes which cooperate to limit the rotation of the sealing ring cross section when axially compressed.
As can be seen in FIG. 11, the surfaces 45 are tangential to the convex arcuate contact lines C, in the relaxed state of the seal ring. During compression these surfaces remain substantially tangential to the regions C, as the limbs flex.
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DePumpo Daniel G.
Gutierrez Diego F. F.
Specialist Sealing Limited
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