Plug for setting in a pipe

Details Plug for setting in a pipe Plug for setting in a pipe

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/136 (2006.01)

Patent

CA 2752067

A pipe plug (2, 2', 2") comprising a shaft (8, 8', 8"), a force transmission body (14) disposed in a rotatable and axially movable manner about the shaft (8, 8', 8") via a thread connection (16), and a stop body (18) Between the force transmission body (14) and the stop body (18) there is a first compression body (20, 20') disposed in an axially movable manner about the shaft (8, 8', 8") in proximity of the force transmission body (14), a conical support body (22) disposed in an axially movable manner about the shaft (8, 8', 8"), at least one movable anchoring body (24) on the outside of the support body (22), a second compression body (26) disposed in an axially movable manner about the shaft (8, 8', 8"), and at least one elastic sealing body (28) disposed about the shaft (8, 8', 8") The shaft (8, 8', 8") and the first compression body (20, 20') are in direct contact with each other, and the shaft (8, 8', 8") and the first compression body (20, 20') are connected in a non-rotational manner via complementary connection elements (30', 30") This prevents the compression body (20, 20') from rotating for optimum transmission and control of an activation force for the plug (2, 2', 2").

L'invention porte sur un bouchon de tuyau (2, 2', 2''), comprenant une tige (8, 8', 8''); un corps de transmission de force (14) disposé de façon à pouvoir tourner et à se déplacer axialement autour de la tige (8, 8', 8'') par l'intermédiaire d'un raccord fileté (16); et un corps d'arrêt (18). Entre le corps de transmission de force (14) et le corps d'arrêt (18), se trouve un premier corps de compression (20, 20') disposé de façon à pouvoir se déplacer axialement le long de la tige (8, 8', 8''), au voisinage du corps de transmission de force (14); un corps de support conique (22) disposé de façon à pouvoir se déplacer axialement le long de la tige (8, 8', 8''); au moins un corps d'ancrage mobile (24) sur l'extérieur du corps de support (22); un deuxième corps de compression (26) disposé de façon à pouvoir se déplacer axialement le long de la tige (8, 8', 8''); et au moins un corps d'étanchéité élastique (28) disposé autour de la tige (8, 8', 8''). La tige (8, 8', 8'') et le premier corps de compression (20, 20') sont en contact direct l'un avec l'autre, et la tige (8, 8', 8'') et le premier corps de compression (20, 20') sont reliés d'une manière autre qu'en rotation, par l'intermédiaire d'éléments de liaison complémentaires (30' 30''). Ceci empêche le corps de compression (20, 20') de tourner, pour assurer une transmission et une commande optimales d'une force d'activation du bouchon (2, 2', 2'').

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