Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1984-03-30
1985-07-30
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 50, 277166, F16J 1532
Patent
active
045317488
ABSTRACT:
An improved seal assembly which provides a seal having a unitizing element adapted to fit over one portion of a sealed mechanism and a primary seal assembly adapted to be received within or with respect to another sealed part which moves relative to the first sealed part. The seal includes a unitizing or locking flange made from a reduced thickness or skirt portion at the end of the wear sleeve on the unitizing element, such flange being axially offset from the seal contact band. The assembled seal is made from a casing unit, an elastomer which provides a mounting surface an a resiliency imparting element, together with a bonded fluoroelastomer ring which is assembled protectively with a unitizing casing which includes a wear sleeve portion having one radial flange thereof forming a protective element and the other being a unitizing flange made from an end portion of the wear sleeve.
REFERENCES:
patent: 2804324 (1957-08-01), Stallings
patent: 3021161 (1962-02-01), Rhoads et al.
patent: 3156474 (1964-11-01), Nelson
patent: 3210086 (1965-10-01), Hudson et al.
patent: 3341265 (1967-09-01), Paterson
patent: 4083567 (1978-04-01), Thumm
patent: 4136885 (1979-01-01), Uhrner
patent: 4252329 (1981-02-01), Messenger
Bufalino Angelo J.
Chicago Rawhide Manufacturing Co.
Fitzgibbon James T.
Ward Robert S.
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