Radiant heater and method of making same

Details Radiant heater and method of making same Radiant heater and method of making same

1979-03-08

1981-02-03

Husar, Francis S.

Metal working

Method of mechanical manufacture

Electrical device making

29613, 219345, 338311, H05B 326

Patent

active

042479797

ABSTRACT:
There is disclosed a radiant heater having high efficiency, reduced cost, and longer life, and which allows rapid heat-up and cool-down. As in the prior art, a heating coil is placed in grooves formed in an insulating board; the radiating surface is a fiberglass cloth secured by adhesive to that face of the insulating board which contains the grooves and the wire coil. In making the heater of the invention, the cement is allowed to dry while the board and cloth are placed on a supporting surface with the cloth face down. The cement thus adheres primarily to that portion of the coil closest to the cloth. This manufacturing step results in a cement distribution which significantly affects both the cost, life and performance of the heater.

REFERENCES:
patent: 2179934 (1939-11-01), Jones
patent: 3043943 (1962-07-01), Moot
patent: 3047702 (1962-07-01), Lefebvre
patent: 3095491 (1963-06-01), Deacon
patent: 3143637 (1964-08-01), Rifenbergh
patent: 3277273 (1966-10-01), Williams
patent: 3303324 (1967-02-01), Appleman
patent: 3479490 (1969-02-01), Stark
patent: 3550267 (1970-12-01), Williams

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