Plastic-lined pipe
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United States of America Patent
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-
Oct 6, 1992
Issued Date -
N/A
app pub date -
Apr 15, 1991
filing date -
Nov 22, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A plastic-lined metallic pipe including an outer metallic pipe which supports an inner plastic sleeve with mechanical engagement between the plastic sleeve and the metallic pipe throughout the circumference of the sleeve. The metallic pipe has a longitudinal weld and the plastic sleeve is melt-bonded to the metallic pipe along the weld only.
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