Flexible heating element

Details Flexible heating element Flexible heating element

2005-01-04

2005-01-04

Fuqua, Shawntina (Department: 3742)

Electric heating

Heating devices

With heating unit structure

C219S535000, C219S209000, C219S212000, C219S205000, C219S528000, C219S529000, C074S552000, C074S557000, C029S620000, C029S623200, C029S825000

Reexamination Certificate

active

06838647

ABSTRACT:
A surface-heating element for a curved surface and method of producing a heating element is provided. The heating element includes a continuous, planar conductor arranged along a longitudinal axis including a plurality of turns connected by regions being generally transverse to the longitudinal axis. The conductor including end portions each having a terminal for receiving electrical current. The heating element also includes a film applied to one side of the conductor and configured to substantially follow an outer contour of the conductor. The film and the conductor form a continuous web generally centered about the longitudinal axis, and at least one turn connecting two generally transverse regions extends beyond the continuous web. The heating element may also include an adhesive layer on the other side of the heating element sealingly engaging the film.

REFERENCES:
patent: 3757087 (1973-09-01), Bernard
patent: 4061898 (1977-12-01), Murray et al.
patent: 4176445 (1979-12-01), Solow
patent: 4642887 (1987-02-01), Fredriksson
patent: 6057530 (2000-05-01), Gurevich

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