Device for arresting the propagation of a buckle in a double-walled pipe
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United States of America Patent
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Mar 11, 2008
Grant Date -
Feb 16, 2006
app pub date -
Oct 18, 2005
filing date -
Jul 2, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Device for arresting the propagation of a buckle in a double walled pipe.The device comprising an outer pipe wall having a defined external diameter and placed around an inner pipe wall, defining an annular space between the said outer and inner walls; providing predetermined regions in the annular space which are bounded between two sealing blocks with radially opposed faces which are in contact with the outer and inner pipes; placing a curable compound in each region and curing it the length of each region is at least equal to 0.5 times the external diameter of the outer wall.
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