Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1982-11-02
1984-06-26
Jillions, John M.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277212FB, 74 181, F16J 1516
Patent
active
044562675
ABSTRACT:
A seal arrangement is provided for the pull rods extending out of a rolling mill housing through a housing passageway where a spring suspension is located at the ends of the pull rods exteriorly of the housing. In such an arrangement pull rods experience motion in the axial and radial directions. In affording a satisfactory seal, the pull rods extend through a sleeve as they pass from the interior of the housing into the housing passageway. A first ball-and-socket joint is located within the sleeve closely enclosing the pull rod. A second ball-and-socket joint is located around the exterior of the sleeve within the housing passageway. In pressure mills, a sealing air connection may be provided for the housing passageway and a further seal provided by a bellows located on the exterior of the housing extending between the pull rod and the outlet from the housing passageway.
REFERENCES:
patent: 909263 (1909-01-01), Walters
patent: 2196676 (1940-04-01), Johnson et al.
patent: 3186722 (1965-06-01), Johnston
patent: 4022424 (1977-05-01), Davis et al.
patent: 4185837 (1980-01-01), Greene
patent: 4191387 (1980-03-01), Kirchoff
Gebr. Pfeiffer AG
Jillions John M.
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