Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1980-09-08
1981-07-21
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277DIG2, F16J 1510
Patent
active
042794250
ABSTRACT:
A dual seal gasket specifically configured to seal the joint between adjacent concrete pipes comprising an annular substantially resilient member including a first retainer element engaging disposed on the outer surface of one of the adjacent concrete pipes having its longitudinal axis substantially parallel to the longitudinal axis of the adjacent concrete pipes, a first sealing element including an upper and lower enlarged truncated compressible members interconnected by a reduced intermediate member extending inwardly from the first retainer element and substantially perpendicular thereto and a second sealing element including a compressible body having a pair of compressible finger members extending outwardly therefrom in a substantially V-shaped configuration having its longitudinal axis substantially parallel to the longitudinal axis of the first retainer element and substantially perpendicular to the longitudinal axis of the first sealing element such that as the adjacent concrete pipes are placed in operative relation relative to each other the first retainer element retains the dual seal gasket therebetween as the first and second sealing elements are compressed therebetween to seal the joint between the adjacent concrete pipes.
REFERENCES:
patent: 2809853 (1957-10-01), Nathan
patent: 3414273 (1968-12-01), Sumner
patent: 4174859 (1979-11-01), Itoughton
Fisher, III Arthur W.
Smith Robert I.
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