Pipe joints or couplings – With strain relief
Patent
1985-04-02
1987-04-28
Husar, Cornelius J.
Pipe joints or couplings
With strain relief
24335, 24279, 285253, 285420, 285322, F16L 2106
Patent
active
046608621
ABSTRACT:
A pipe coupling for improved pull-apart strength of pipe lap joints is disclosed. A clamping band is applied to the outside pipe around the overlap region of the pipes. An attachment is applied around the inside pipe and the two bands are connected together by a linkage extending alongside the pipes. Preferably, a sealing structure is provided on the outer pipe in the overlap region such that sealing engagement between the outside and inside pipes is obtained when the clamping band is tightened. When the pipes are subjected to pull-apart forces, the linkage resists slippage or pull-apart motion. If there is slippage, more will occur on the side opposite the linkage and an oblique relationship of the pipes results. This produces a binding action between the pipes with increased frictional resistance to the pull-apart forces.
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Cassel Scott T.
Cassel Thomas R.
BKS Company
Husar Cornelius J.
Nicholson Eric K.
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