Two-element lip-type seal

Details Two-element lip-type seal Two-element lip-type seal

1977-11-25

1980-01-29

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 82, 277152, 305 11, F16J 1532

Patent

active

041858387

ABSTRACT:
A two-element seal assembly for sealing relatively rotatable members wherein each seal element has annular radial lip type sealing contact with the other. The seal elements are shaped in a complementary fashion, one with relation to the other, whereby an annular labyrinth is formed therebetween and entrance of damaging materials into sealed area of an installation is effectively excluded by the lip seals and the labyrinth.

REFERENCES:
patent: 2750214 (1956-06-01), Bermingham
patent: 2945708 (1960-07-01), Stephens
patent: 3021161 (1962-02-01), Rhoads et al.
patent: 3306223 (1967-02-01), Liebig
patent: 3792912 (1974-02-01), Howe et al.
patent: 4049281 (1977-09-01), Bainard
patent: 4062550 (1977-12-01), Satsumabayashi
patent: 4106781 (1978-08-01), Benjamin

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