Pipe joints

Details Pipe joints Pipe joints

1991-08-06

1992-09-29

Reese, Randolph A.

Pipe joints or couplings

Flexible joint, rigid members

Socketed packing type

285232, 285337, 285342, 285369, F16L 2104

Patent

active

051509296

ABSTRACT:
A pipe joint consists of a sleeve (2) surrounding a socket chamber (3) for receiving a spigot (5). A gland (9) extends into the socket chamber (3) against a heel portion (12) of a sealing ring (7). Axial movement of the gland (9) forces the sealing ring (7) and causes a leading nose portion (14) of the sealing ring (7) to be deflected radially inwardly by the internal profile of the sleeve (2) against the external surface of the spigot or pipe end (5), thereby forming a seal. The heel portion (12) of the seal ring (7) maintains substantially the same radial position in the socket (3).

REFERENCES:
patent: 839750 (1906-12-01), Graham
patent: 853900 (1907-05-01), Saunders
patent: 1310740 (1919-07-01), Coffey
patent: 1888539 (1932-11-01), Otterson
patent: 2286565 (1942-06-01), Norton
patent: 2405822 (1946-08-01), Franck
patent: 3653692 (1972-04-01), Dunton et al.
patent: 4863199 (1989-09-01), Hojo et al.

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