Pipe joints or couplings – Flexible joint – rigid members – Socketed packing type
Patent
1996-10-07
1998-06-16
Arola, Dave W.
Pipe joints or couplings
Flexible joint, rigid members
Socketed packing type
285345, 285423, 285903, F16L 21035
Patent
active
057658803
ABSTRACT:
A coupler for use with helical double-wall corrugated pipe is disclosed having a spigot portion and a bell portion. The spigot portion has at least one corrugation formed therein, a spigot portion first edge and a spigot portion second edge, and is adapted to screw onto the end of a first pipe having a first pipe corrugated outer wall and a first pipe inner wall. The spigot portion second edge is adapted to be secured to the first pipe outer wall, and the spigot portion first edge is adapted to be secured to the first pipe inner wall. The bell portion has at least one corrugation formed therein, a bell portion first edge, and a bell portion second edge, and is adapted to screw onto the end of a second pipe having a second pipe corrugated outer wall and a second pipe inner wall. The bell portion second edge is adapted to be secured to the second pipe outer wall, and the bell portion first edge is adapted to be secured to the second pipe inner wall.
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Advanced Drainage Systems, Inc.
Arola Dave W.
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