Method for manufacturing heating element

Details Method for manufacturing heating element Method for manufacturing heating element

1998-07-31

2000-10-03

Jeffery, John A.

Electric heating

Heating devices

Combined with diverse-type art device

219543, 219469, 492 46, H05B 300, G03G 1520

Patent

active

061276545

ABSTRACT:
A heating apparatus and method of making such apparatus has a deposited heating element of oxidized metal powder. The metal powder is oxidized more than forty percent and preferably between sixty and ninety-five percent. The oxidation is the deposited metal powder is increased by either modifying the powder or the modifying the deposition process. The powder is modified by preoxidation, reducing the size of particles, removing oxidation inhibitors, adding oxidation catalysts and enhancers and increasing the surface area of the particles. The process of deposition is modified by using more oxygen and using a high velocity oxy-fuel plasma deposition process.

REFERENCES:
patent: 3922386 (1975-11-01), Ros
patent: 3973106 (1976-08-01), Ura
patent: 4808490 (1989-02-01), Tsukuda et al.
patent: 4857384 (1989-08-01), Mio et al.
patent: 5037705 (1991-08-01), Weber et al.
patent: 5039840 (1991-08-01), Boardman
patent: 5869808 (1999-02-01), Hylberg

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