Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1990-01-08
1992-10-06
Shoap, Allan N.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
123198E, 277153, 277166, 277183, 277189, 277DIG4, F16J 1532
Patent
active
051525380
ABSTRACT:
A composite seal assembly which includes a retainer element, a retainer insert and an elastomeric sealing unit. The elastomeric sealing unit is bonded to the retainer insert and the retainer insert is thereafter secured in fluid tight relation to a circular opening within the retainer element. The elastomeric seal unit includes a primary lip with a seal band formed by convergent frusto-conical air and oil side sealing surfaces. The retainer element and the retainer insert are formed from resinous synthetic plastic materials and at least a portion of the retain element includes an end face for fluid tight engagement with an opposed end face of a machine part.
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Bufalino Angelo J.
Chicago Rawhide Manufacturing Company, Inc.
Fitzgibbon James T.
Shoap Allan N.
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