HEATING COIL WELDING FITTING
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United States of America Patent
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Issued Date -
May 10, 2012
app pub date -
Nov 4, 2011
filing date -
Nov 4, 2010
priority date (Note) -
Abandoned
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Abstract
A heating coil welding fitting comprising a cylindrical coupling body for welding pipelines made of thermoplastics or other weldable plastics, containing at least two heating wire windings, each with a plurality of turns which are at any desired distance from one another, and contacts for feeding the electric current, wherein the heating wire winding is wavy, preferably sinusoidal, and the coupling can be deformed as a result.
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