Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1977-02-16
1978-03-14
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
285231, F16J 1512
Patent
active
040788130
ABSTRACT:
The sealing element comprises an annular active portion of elastomer material adapted to be compressed radially between the outer surface of a male end and the wall of a cylindrical recess in a socket in which the male end extends and means for anchoring the sealing element in the socket, the active portion comprising an outer annular face, an inner annular face and an end face having, when the sealing element is at rest, a minimum inside diameter exceeding the outside diameter of the male end and a maximum outside diameter exceeding said minimum inside diameter by an amount exceeding the radial clearance between the recess and the male end. The end face is connected to each one of the annular faces of the active portion by a circular edge, and, when the sealing element is in the free state, in axial section, the rise or dip of the arc generating the end face is at the most equal to 1/5th of the length of the associated chord.
REFERENCES:
patent: 2953398 (1960-09-01), Haugen et al.
patent: 2991092 (1961-07-01), MacKay
patent: 3236528 (1966-02-01), Bram
patent: 3362717 (1968-01-01), Bram
patent: 3915460 (1975-10-01), Kramer
Pont-A-Mousson S.A.
Smith Robert I.
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