Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1977-06-20
1978-05-09
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277124, 277235R, 92250, 417392, 277181, B65D 5302, F04B 1700
Patent
active
040883280
ABSTRACT:
An o-ring seal assembly in combination with a downhole pump and an o-ring collar. The seal assembly includes a special o-ring device and two coacting seal holding members which cooperate together to provide an o-ring groove, and which separate to enable an o-ring of this invention to be received therewithin. The special o-ring includes a resilient o-ring and a retainer. The o-ring has an annular face thereof bonded to a concave face formed on the retainer member. In one form of the invention the retainer member is in the form of a cylinder having an outer concave wall bonded to the inner annular face of the o-ring. In another embodiment of the invention, the retainer member is in the form of an apertured disc having an upper concave wall bonded to a lower annular face of the o-ring. The o-ring preferably is made of rubber or rubber-like material while the retainer member is made of metal and is vulcanized to the rubber o-ring. Since the retainer member is nonexpansible, the separable members which form the groove enable the o-ring and retainer member to be slidably received thereon and the separable members are thereafter assembled, thereby capturing the o-ring and retainer within the groove.
REFERENCES:
patent: 3009722 (1961-11-01), Augustin
patent: 3327681 (1967-06-01), Hortvet
patent: 3406979 (1968-10-01), Weber
patent: 3419280 (1968-12-01), Wheeler
patent: 3469854 (1969-09-01), Linwood
Bates Marcus L.
Ward, Jr. Robert S.
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