Locking device and method for securing telescoped pipe

Details Locking device and method for securing telescoped pipe Locking device and method for securing telescoped pipe

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 21/08 (2006.01) F16L 25/00 (2006.01)

Patent

CA 2607873

A locking segment for use in connecting two lenghts of pipe has a radically extending heel that serves as a rotational brake. By mating the brake into an annular trough, that is, by placing it between two walls, the rotation of the segment can continue only until points on the brake mure between the two walls. Rotation of the segment in response to increasing thrust pressures can thereby be arrested before the rotation causes the segment to bear on the spigot with a radically inward force great enough to penetrate the spigot.

Un segment de verrouillage à être utilisé pour raccorder deux longueurs de tuyau comporte un talon s'étendant radialement et servant à la rotation. Par l'accouplement du frein dans une dépression annulaire, c.-à-d. en étant placé entre deux parois, la rotation du segment peut continuer jusqu'à ce que les points sur le frein calent entre les deux parois. La rotation du segment en réponse aux pressions de poussée croissantes peut donc être arrêtée avant que la rotation n'entraîne le segment à exercer sur le bout uni une force radiale vers l'intérieur assez grande pour pénétrer ledit bout uni.

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