Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1975-06-10
1978-09-19
Aegerter, Richard E.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277153, 277211, F16J 1500
Patent
active
041149050
ABSTRACT:
The invention concerns a metal seal ring comprising a jacket made of ductile metal intended to be clamped between two surfaces to be applied against each other in a fluid-tight manner and one or two internal spiral springs having close-wound turns made of metal wire, the jacket being provided with a bead in the vicinity of its bearing lines on the surfaces to be applied against each other, the spiral springs are formed with a wire having a cross-section such that it avoids the creeping of the metal of the jacket between the turns in the vicinity of the bearing lines on the surfaces to be applied against each other. Such a seal withstands numerous assembling and dismantling cycles and rises and lowerings of the temperature, without any appreciable loss of its fluid-tight qualities.
REFERENCES:
patent: 2988409 (1961-06-01), Fuhrmann
patent: 3223426 (1965-12-01), Reid
patent: 3464707 (1969-09-01), Packard et al.
patent: 3467397 (1969-09-01), Sugahara
patent: 3680874 (1972-08-01), Schwarz
patent: 3820799 (1974-06-01), Abbes et al.
patent: 3847389 (1974-11-01), Rogers
Aegerter Richard E.
Footland L.
Le Joint Francais
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