Oil seal comprising lip seal with thermal expansion controlled r

Details Oil seal comprising lip seal with thermal expansion controlled r Oil seal comprising lip seal with thermal expansion controlled r

1986-11-18

1988-05-31

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 50, 277153, 277166, 277235A, F16J 1532

Patent

active

047476036

ABSTRACT:
An oil seal of the type having a metallic reinforcement rig whose outer peripheral portion is oil-tightly fitted into a housing, characterized in that after the formation of fabrication of said metallic reinforcement ring, the latter is subjected to a nitriding hardening process so that its durability of a raw material of said metallic reinforcement ring; and a seal lip of formed over the inner peripheral edge portion of an annular flange portion of said metallic reinforcement ring.

REFERENCES:
patent: 3084944 (1963-04-01), Stucke
patent: 3440122 (1969-04-01), McCormick
patent: 4426094 (1984-01-01), Antonini

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