GROOVED ELECTRIC WELDING SLEEVE
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United States of America Patent
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Issued Date -
Dec 12, 2013
app pub date -
Jun 3, 2013
filing date -
Jun 8, 2012
priority date (Note) -
Abandoned
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Abstract
Electric welding sleeve having a cylindrical sleeve body for the welding of pipes made of thermoplastic material or other weldable plastics, containing at least two heating zones having respectively a plurality of electrically conductive windings and contacts for the supply of the electric current, wherein at least one longitudinally running groove is arranged along the outer surface of the cylindrical sleeve body.
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