SYSTEM FOR RELIEVING STRESS AT PIPE CONNECTIONS USING EXTERNAL SLEEVE
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United States of America Patent
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Issued Date -
Feb 6, 2014
app pub date -
Oct 4, 2013
filing date -
Aug 20, 2010
priority date (Note) -
Abandoned
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Abstract
A pipe attachment assembly for attaching a pipe to another structure so stresses are reduced within the assembly includes a sleeve positioned outside the pipe which is composed of a material stronger than the pipe material, and an elastomeric bonding material which fills a gap between the pipe and the sleeve. The elastomeric bonding material transfers forces which are externally imposed on the pipe to the sleeve. This reduces bending, compression, tension, or torsion of the pipe in response to external forces, which in turn reduces the risk of a pipe failure at or near the termination or a breach where the pipe forms a joint with other pipes or containers. Various configurations may further improve the transfer of shearing stresses from the pipe to the sleeve, for example varying the width and/or the shear modulus of the elastomeric bonding material along the length of the pipe.
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