Method of connecting two thermoplastic pipes using a barbed metal welding sleeve
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United States of America Patent
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Sep 12, 1989
Grant Date -
N/A
app pub date -
Oct 6, 1988
filing date -
Oct 6, 1988
priority date (Note) -
Expired
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Abstract
A method of connecting two thermoplastic pipes and joint resulting therefrom which includes an electrically conductive insert sleeve with radially extending barbs alternately projecting to the inside and outside diameter of the sleeve into the adjacent fused plastic to achieve the joint.
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