F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 21/04 (2006.01)
Patent
CA 2563355
A mechanical pipe joint, restraining gasket, and method for restraining pipe spigots within adjacent bell sockets. The restraining gasket is composed of two axially-separate components: a sealing portion and a restraining portion made of a plurality of arcuate locking members. The restraining gasket and a gland surround an outer surface of the pipe spigot. The mechanical pipe joint is formed as the pipe spigot is inserted into the bell socket and the gland is axially attached to the bell socket so that the restraining gasket is held between: the gland, an inner surface of the bell socket, and the outer surface of the pipe spigot, so as to provide a fluid seal in the joint and urge the locking members into contact with the outer surface of the pipe spigot, axially restraining the pipe spigot within the bell socket.
L'invention concerne un joint de tuyau mécanique, un joint d'étanchéité, et un procédé de blocage de bouts mâles de tuyaux dans des cloches taraudées. Le joint d'étanchéité de blocage se compose de deux composants axialement séparés ; une partie étanchéité et une partie blocage comprenant plusieurs éléments de verrouillage courbes. Ledit joint d'étanchéité et une presse-étoupe entourent une surface externe du bout mâle de tuyau. Le joint de tuyau mécanique est formé à mesure que le bout mâle de tuyau est introduit dans la cloche taraudée et la presse-étoupe est axialement fixée à la cloche taraudée de façon que le joint d'étanchéité soit retenu entre la presse-étoupe, une surface interne de la cloche taraudée, et la surface externe du bout mâle de tuyau, ce qui permet de fournir un joint d'étanchéité fluidique dans le joint et d'amener les éléments de verrouillage en contact avec la surface externe du bout mâle de tuyau, ce dernier étant alors axialement bloqué à l'intérieur de la cloche taraudée.
Copeland Daniel A.
Holmes William W. IV
Owen William H.
Ridout & Maybee Llp
United States Pipe And Foundry Company
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