Heat cooking oven having flat heater units on the outside of the

Details Heat cooking oven having flat heater units on the outside of the Heat cooking oven having flat heater units on the outside of the

1989-03-24

1989-11-14

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055E, 219407, 126275E, H05B 664

Patent

active

048809527

ABSTRACT:
This invention relates to a heat cooking apparatus having a flat heater firmly attached to an outside surface of the wall surface of the heating chamber the flat surface being composed of flatly configured heating elements with a heat-proof insulator therebetween. Also, by forming a non-metallic layer on the inner surface of the metallic wall surface facing the heating elements, heat from the heater is efficiently and uniformly conducted so as to perform uniform heating and high heat-cooking efficiency.

REFERENCES:
patent: 2505117 (1950-04-01), Hoffman
patent: 3155814 (1964-11-01), Appleman et al.
patent: 3350493 (1967-10-01), Randall
patent: 3962561 (1976-06-01), Maitenaz
patent: 3979575 (1976-09-01), Maahs
patent: 4392038 (1983-07-01), Day et al.
patent: 4453064 (1984-06-01), Toyoda et al.
patent: 4455319 (1984-06-01), Clark
patent: 4542268 (1985-09-01), Jarvis et al.
patent: 4675507 (1987-06-01), Akiyoshi et al.
patent: 4745246 (1988-05-01), Hori et al.

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