Heating – Processes of heating or heater operation – Treating an article – container – batch or body as a unit
Patent
1985-09-05
1987-07-07
Yuen, Henry C.
Heating
Processes of heating or heater operation
Treating an article, container, batch or body as a unit
432 24, F27D 1300
Patent
active
046784322
ABSTRACT:
A heat treatment method in which a heating furnace is preliminarily heated before carrying an object to be heat-treated in the furnace and an unit heating process is repeated at least twice according to an output program for controlling an output of a heating light source which is stored in a memory so that the heat treatment is uniformly applied to every object to be heat treated.
REFERENCES:
patent: 3623712 (1971-11-01), McNeilly et al.
Dainippon Screen Mfg. Co,. Ltd.
Yuen Henry C.
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