Multi-conductor soft heating element

A soft and flexible heating element having a durable construction for incorporation into a plurality of articles, said heating element comprising:

• at least one continuous strip, comprising electrically conductive threads, said strip is cut to a desired length and laid out in predetermined pattern to fit the heated area, providing that said soft heating element comprises at least one gap between portions of at least one of said strips;
• at least one thermostat, attached to the surface of said strip the area of enhanced heating;
• a conductive means for introducing an electrical current to said strip;
• an insulating means for insulating at least said electrically conductive threads with nonconductive means.

A soft and flexible heating element having a durable construction for incorporation into a plurality of articles, said heating element comprising:

• a conductive means for introducing an electrical current to said heating element;
• a soft heating element core, comprising carbon containing threads coated nonmetallic inorganic threads, which are electrically connected to said conductive means;
• at least one thermostat, attached to the surface of said heating element core in the area of enhanced heating;
• an insulating means for insulating at least said carbon containing threads with nonconductive means.

A soft and flexible multiconductor heating element having a durable construction for incorporation into a plurality of articles, said heating element comprising:

• at least one continuous strip, comprising multiple, individually insulated, electrically conductive cables, said cables are disposed longitudinally in said strip, separated from each other by nonconductive means and connected with said nonconductive means;
• an area of heat concentration comprising at least one fold along the length of said strip;
• at least one temperature sensing device attached to the surface of said strip in the area of said heat concentration;
• a conductive means for introducing an electrical current to said strip.

A soft multi-conductor heating element having a durable construction for incorporation into plurality of articles, said element comprising:

• at least one continuous electrically conductive textile strip, comprising metal containing threads, said strip is cut to a desired length, folded and laid out to fit within said heating element and define folded portions, provided that said soft heating element comprises at least one gap between the folded portions of said at least one strip;
• a conductive means for introducing an electrical current to said textile strip;
• an insulating means for insulating at least said metal containing textile threads with at least one layer of non-conductive means;
• electrical resistance temperature sensor disposed through the whole length of said strip for providing overheating control capabilities to said heating element.

A soft and flexible heating element having a durable construction for incorporation into a plurality of articles, said heating element comprising:

• at least one continuous strip, comprising electrically conductive threads as heating means. said strip is cut to a desired length, folded and laid out to fit within said heating element and define folded portions, providing that said soft heating element comprises at least one gap between the folded portions of said at least one strip;
• a conductive means for introducing an electrical current to said strip;
• an insulating means for insulating at least said electrically conductive threads with electrically nonconductive means;
• at least one temperature sensing device directly attached to the surface of said strip at the location of enhanced heat concentration.

A soft and flexible multiconductor heating element having a durable construction for incorporation into a plurality of articles, said heating element comprising:

• electrically conductive textile sleeve having hollow interior and continuous cross-section, said sleeve comprising conductive metal containing threads as electrical resistance heating means, said threads are separated from each other by nonconductive means;
• a conductive means for introducing an electrical current to said heating means;
• an insulating means for insulating at least said metal containing threads with nonconductive means;
• at least one temperature sensitive means disposed longitudinally in said sleeve.