Coupled pipe assembly having a tapered interior sleeve
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United States of America Patent
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Sep 13, 1994
Grant Date -
N/A
app pub date -
Mar 25, 1993
filing date -
Mar 25, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A coupled pipe assembly having a pair of opposed, axially-positioned pipes each having opposed beveled ends and interior corrosion-resistant linings. A sleeve having heat-deflecting material is provided axially within the pipes with the heat-deflecting material being positioned adjacent the opposed pipe ends to protect the corrosion-resistant linings from heat damage during welding of the pipe ends. The sleeve has a tapered cross-section extending to and forming a rounded end edge portion.
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