Heating coil structures

Details Heating coil structures Heating coil structures

1993-04-09

1994-03-22

Reynolds, Bruce A.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

392407, 338234, 313343, H05B 340, H01C 1026, H01J 115, H01J 1908

Patent

active

052966852

ABSTRACT:
A heating element formed from at least two wires twisted together. The twisted wires are preferably shaped in a helical configuration and mounted within a quartz tube.

REFERENCES:
patent: 2625666 (1953-01-01), Williams
patent: 3073986 (1963-01-01), Hodge
patent: 3219872 (1965-11-01), Hodge
patent: 3509411 (1970-04-01), Walter
patent: 3596057 (1971-07-01), Arntz
patent: 3904851 (1975-09-01), Gustafson et al.

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