Coupling for spiral corrugated pipe

Details Coupling for spiral corrugated pipe Coupling for spiral corrugated pipe

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 25/00 (2006.01)

Patent

CA 2227105

A coupling for interconnecting adjacent ends of spiral corrugated pipe includes a generally cylindrically shaped body having generally tubular ends extending axially outwardly from a circumferential stop. One of the tubular ends defines a substantially continuous spiral or thread which is adapted to threadably connect to one of the adjacent ends of spiral corrugated pipe. The other tubular end of the coupling defines a sleeve which is adapted to slidably receive the other of the adjacent ends of spiral corrugated pipe within the sleeve to thereby interconnect the adjacent ends of pipe. Gaskets may be provided within the coupling to further reduce infiltration or exfiltration at the coupling. In an alternative embodiment. the coupling includes a generally cylindrically shaped body having generally tubular ends which each define a substantially continuous spiral or thread. The tubular ends are adapted to be threadably connected to adjacent ends of corrugated spiral pipe to form an interconnection therebetween.

Dispositif de raccordement permettant de relier les extrémités adjacentes de tuyaux ondulés en spirale. Le dispositif est constitué d'un corps essentiellement cylindrique dont les extrémités essentiellement tubulaires se prolongent dans le sens de l'axe vers l'extérieur à partir d'une butée située sur la circonférence. Une des extrémités comprend une spirale ou un filetage essentiellement continu, conçu pour être vissé dans une des extrémités adjacentes du tuyau. L'autre extrémité tubulaire du dispositif de raccordement forme un manchon conçu pour recevoir par glissement l'autre extrémité du tuyau, de manière à relier les extrémités adjacentes du tuyau. Le dispositif de raccordement peut comporter des joints d'étanchéités internes afin d'en accroître davantage l'étanchéité au point de raccordement. Dans une autre version, le corps du raccordement est essentiellement cylindrique et comprend des extrémités essentiellement tubulaires comportant chacune une spirale ou un filetage presque continu. Les extrémités tubulaires sont conçues pour être vissées aux extrémités adjacentes des tuyaux pour les relier.

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