Multicathode thermochemical processing oven

Details Multicathode thermochemical processing oven Multicathode thermochemical processing oven

1978-03-21

1980-04-29

Hunt, Brooks H.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

148 166, 204177, 266252, C23C 1100, C23C 1114

Patent

active

042008050

ABSTRACT:
A multicathode thermochemical processing oven for the treatment of articles or metals such as steel or steel alloys by subjection thereof to ionic bombardment. The oven structure includes at least one anode and a plurality of cathodes which form individual anode-cathode couples positioned within an air-tight enclosure containing a processing gas for supplying ions. Each of the cathodes is adapted to carry an individual article and subject the article to a particular type of processing depending upon which cathode carries the part. Each of the anode-cathode couples are connected across a power supply, and each of the cathodes are connected through their own individual switching and coupling device for independently couplng to the power source and independent control to supply different types of energy to its respective cathode as well as control the conduction thereof. A computer memory device is associated with each of the anode-cathode couples to control the processing imparted to the article carried by the individual cathode. Also, the oven is provided with an inlet chamber to provide for pre-heating or passivation or both, and an outlet chamber to provide for cooling or quenching or both.

REFERENCES:
patent: 2955998 (1960-10-01), Berghaus et al.
patent: 3616383 (1971-10-01), Klauseler
patent: 4109157 (1978-08-01), Tanaka et al.

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