Pipe lap joint with improved pull-apart strength

Details Pipe lap joint with improved pull-apart strength Pipe lap joint with improved pull-apart strength

F - Mech Eng,Light,Heat,Weapons

16

L

285/52

F16L 37/08 (2006.01) F01N 13/18 (2010.01) F16L 21/08 (2006.01)

Patent

CA 1270277

PIPE LAP JOINT WITH IMPROVED PULL-APART STRENGTH 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.

505570

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