Fibrous electric cable road heater

Details Fibrous electric cable road heater Fibrous electric cable road heater

1995-03-03

1996-11-12

Hoang, Tu

Electric heating

Heating devices

Combined with diverse-type art device

219549, 338214, 338208, H05B 100

Patent

active

055736874

ABSTRACT:
A road heater comprising (1) a linear heater which is comprised of a linear heating element and a flexible electrically insulating layer formed on the entire periphery of the linear heating element, and (2) an outer textile structure such as a braid which covers the entire periphery of the linear heater. The road heater has a compressive yield load (Lc) of at least 1,000 kg. The outer textile structure is made of a thermoplastic synthetic fiber, preferably, a polyester monofilament, having a melting point of at least 200.degree. C. and a single fiber fineness of at least 1,000 deniers. The linear heating element preferably comprises a flexible heat-generating mixed spun yarn composed of stainless steel fibers and heat-resistant electrically non-conductive fibers.

REFERENCES:
patent: 2387995 (1944-03-01), Huck
patent: 3366912 (1968-01-01), Hubbuch
patent: 4100673 (1978-07-01), Leavines
patent: 4195805 (1980-04-01), Keep
patent: 4600805 (1986-07-01), Glynn et al.
patent: 4956524 (1990-09-01), Karkow

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