Electrically heatable floor carpet
OwnerMenachem Peeriinventor
Life of this patent
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Abstract
An electrically heatable floor covering comprising a carpet of woven fibers, wherein an electrical heating element is enclosed in the carpet body, which is made of a straight thin copper wire having a reinforcing coating of polytetrafluoroethylene which causes the wire to withstand impressions produced by footsteps and by heavy furniture without being broken.
Claims1
An electrically heatable floor covering comprising a carpet of woven electrically non-conducting fibers, wherein the improvement comprises an electrical heating element woven in the carpet as a weft thread in a zig-zag pattern covering the area of the carpet, said heating element being made of a stranded wire having a resistivity per meter of about 0.36 ohm, and being composed of a plurality of copper filaments each of which has a diameter of about 0.1 mm and is covered with a reinforcing coating of polytetrafluoroethylene which causes the wire to withstand impressions produced by footsteps and by heavy furniture without being broken, the total wire length being about 15 m. per square m.
Dependencies are inferred from the claim text.