Microwave oven

Details Microwave oven Microwave oven

1977-04-14

1979-07-31

Albritton, C. L.

Electric heating

Metal heating

Of cylinders

H05B 906

Patent

active

041631412

ABSTRACT:
A microwave oven is equipped with a rotary table driven by magnetic coupling. The microwave oven has a heating chamber in which at least its bottom wall or base plate is made of a non-magnetic metallic material, while its other walls are formed of metallic material other than non-magnetic metallic material, for reduction of the cost of the microwave oven. The junctions between the wall of non-magnetic metallic material and the walls of metallic material other than non-magnetic metallic material are coated with coating film to improve corrosion resistance. Furthermore, the heating chamber together with the rotary table is so arranged as to facilitate insertion and withdrawal of a container of food material into and from the heating chamber to provide a microwave oven which is clean and convenient to use.

REFERENCES:
patent: 2520602 (1950-08-01), Linder
patent: 2589719 (1952-03-01), McKinney
patent: 2827537 (1958-03-01), Haagensen
patent: 2888542 (1959-05-01), Mork
patent: 3113228 (1963-12-01), Tolegian
patent: 3373259 (1968-03-01), Smith
patent: 3402277 (1968-09-01), Muller
patent: 3480753 (1969-11-01), Wilson et al.
patent: 3500082 (1970-03-01), Tolegian
patent: 3975606 (1976-08-01), Tanaka et al.
patent: 4092512 (1978-05-01), Suzuki et al.
patent: 4107502 (1978-08-01), Tanaka et al.
Indiana General Engineering Data Form 382, Magnetic Drives", Mar. 1970.

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