Three-wall corrugated pipe couplings and methods

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 47/08 (2006.01) F16L 11/11 (2006.01) F16L 21/035 (2006.01) F16L 25/10 (2006.01) F16L 39/00 (2006.01)

Patent

CA 2705387

A coupling for three-wall, corrugated pipe, the pipe including a corrugated wall having a plurality of primary corrugations, is disclosed. The coupling includes a first pipe section having disposed at one end a bell portion, the bell portion having a portion of the corrugated wall and an outer wall; a second pipe section having disposed at one end a spigot portion, the spigot portion having a portion of the corrugated wall between an inner wall and an outer wall; and a gasket engaged between the corrugated wall of the bell portion and the outer wall of the spigot portion. A three-wall, corrugated pipe section, and method for assembling a plurality of three-wall, corrugated pipe sections, are also disclosed.

La présente invention concerne un manchon pour tuyau en tôle ondulée à triple paroi, le tuyau comprenant une paroi ondulée présentant une pluralité d'ondulations principales. Le manchon comprend une première section de tuyau pourvue d'une partie formant tulipe à une extrémité, la partie formant tulipe présentant une partie de la paroi ondulée et une paroi externe ; une seconde section de tuyau étant pourvue d'une partie formant bout mâle à une extrémité, la partie formant bout mâle ayant une partie de la paroi ondulée entre une paroi interne et une paroi externe ; et un joint statique mis en prise entre la paroi ondulée de la partie formant tulipe et la paroi externe de la partie formant bout mâle. La présente invention concerne également une section de tuyau en tôle ondulée à tripe paroi et un procédé pour assembler une pluralité de sections de tuyau en tôle ondulée à triple paroi.

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