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 2467572

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.

L'invention concerne un segment de verrouillage qui s'utilise avec deux longueurs de conduit et qui présente un talon qui s'étend radicalement et sert de frein rotatif. Le fait d'accoupler le frein à une goulotte annulaire, c'est-à-dire en le plaçant entre deux parois, la rotation du segment peut se poursuivre seulement jusqu'à ce que les points du frein soient pris entre les deux parois. La rotation du segment, en réponse à des pressions de poussée plus élevées, peut être interrompue avant que la rotation n'entraîne le segment à porter sur l'embout avec une force radicalement interne, suffisamment puissante pour pénétrer l'embout.

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