Electric heating – Heating devices – Combined with diverse-type art device
Patent
1989-09-08
1991-04-16
Walberg, Teresa J.
Electric heating
Heating devices
Combined with diverse-type art device
219529, 219549, H05B 334
Patent
active
050085174
ABSTRACT:
An electrically heated fabric assembly for use with an electrically heated garment. The fabric assembly includes a lightweight, stretchable, form-fitting fabric made from polyphthalate and spandex fibers for covering various portions of the body of a wearer of the garment; and a plurality of flexible, electrical, heat generating wires arranged in a serpentine pattern on various portions of the fabric, and operable to generate heat in response to an electrical current flow through the heating wires. The heating wires are secured to the fabric by cover stitching, accomplished by sewing, to allow the fabric to retain its flexibility. The heating wires each include several conductor elements wound together in a spiral fashion, and each conductor element includes a core portion having wound therearound in a spiral fashion two tinsel-like copper conductors. The core portions each consist of several aromatic polyamide fibers of extremely high tensile strength. A plurality of winged connector assemblies operable to be sewably attached to the fabric are also included for removably connecting the heating wires to an external power source.
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Batcheller Barry D.
Brekkestran Kevin L.
Environwear, Inc.
Walberg Teresa J.
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