Heater-sensor complex

Details Heater-sensor complex Heater-sensor complex

1998-03-12

2000-04-25

Jeffery, John A.

Electric heating

Heating devices

Tool or instrument

219473, 219229, 219241, 338302, 338270, 374182, H05B 100, B23K 303

Patent

active

060546786

ABSTRACT:
A heater/sensor with an electric heating coil has an insulating pipe with a bore therein has nonheating wire threaded therethrough. The nonheating wire is attached to a first end of a heating wire which is wound about the periphery of the insulating pipe. A second end of the heating wire is attached to a second nonheating wire. A first ceramic coating of a binder and a coarse grade alumina is formed on the pipe and wires through a dip process. A second ceramic coating of a binder and a fine alumina coating is formed on the first ceramic coating though a second dip process. The twice coated heater/sensor complex is secured in a soldering iron tip.

REFERENCES:
patent: 2717952 (1955-09-01), Dvorak
patent: 2747074 (1956-05-01), Finch
patent: 2897335 (1959-07-01), Finch
patent: 5043560 (1991-08-01), Masreliez
patent: 5122637 (1992-06-01), Bottorff et al.
patent: 5406053 (1995-04-01), Masreliez

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