Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1975-01-23
1976-09-14
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
285231, F16J 1510
Patent
active
039803112
ABSTRACT:
Vertically aligned manhole sections are assembled by setting one section upon the other whereby cooperating male and female ends are mated to form a watertight joint. The male and female ends are each provided with a diagonally aligned surface adjoining horizontally aligned load bearing surfaces. A shoulder is formed in the diagonally aligned surface of each male end to receive an annular D-shaped gasket mounted therein under tension. The gasket is compressed between the male and female diagonally aligned surfaces so that when one load bearing surface of the upper section is fully bottomed on the cooperating surface of the lower section, the gasket is fully compressed, with the weight of the upper sections serving to aid in compressing the gasket.
REFERENCES:
patent: 2099722 (1937-11-01), Byers
patent: 2369911 (1945-02-01), Lind et al.
patent: 2615741 (1952-10-01), Nathan
patent: 2814514 (1957-11-01), Beatty
patent: 2832614 (1958-04-01), Settle
patent: 3661197 (1970-02-01), Peterson
patent: 3773338 (1973-11-01), Fidler
A-Lok Corporation
Smith Robert I.
LandOfFree
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