Pipe joints or couplings – Internal sleeve – With external
Patent
1998-03-20
2000-02-08
Browne, Lynne H.
Pipe joints or couplings
Internal sleeve
With external
285419, 285915, F16L 4706
Patent
active
060220546
ABSTRACT:
A pipe coupling for two pipe ends having the same inner diameter includes a first pipe coupling joining the pipe ends. The first pipe coupling is formed from a section of pipe having approximately the same inner diameter as the pipe ends and is split longitudinally. A second pipe coupling is clamped over the location of the junction between the pipe ends. The second pipe coupling is formed from a section of pipe having approximately the same inner diameter as the pipe ends and is split longitudinally. The split of the second pipe coupling is offset from the split of the first pipe coupling. The couplings may include an inner and an outer coupling, two outer couplings, or an inner coupling and two outer couplings. Each inner coupling have a strip of material removed along its longitudinal split so that it can be compressed to substantially close the gap at its split and inserted into a pipe end. The pipe couplings may be adhering to the pipe ends and/or adjacent pipe couplings to provide a watertight seal about the pipe joint.
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Folkers Joie L.
Hemphill Duane G.
Ameron International Corporation
Binda Greg
Browne Lynne H.
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