Electric heating – Metal heating – Of cylinders
Patent
1977-08-17
1979-03-27
Grimley, Arthur T.
Electric heating
Metal heating
Of cylinders
29592R, 126200, 174 35MS, H05B 906
Patent
active
041467680
ABSTRACT:
A microwave oven having an access door comprising a metal door frame with a choke cavity and a perforated metal sheet covering the area inside the frame. The door frame consists of a U-shaped metal profile with the legs of the U oriented in the plane of the door so as to effect an energy seal between the frame and the perforated metal sheet by pressing the sheet against the outside planar area of one of the legs of the profile.
REFERENCES:
patent: 3809843 (1974-05-01), Takayama
patent: 3835283 (1974-09-01), Suzuki
patent: 3879595 (1975-04-01), Lamb
patent: 4008383 (1977-02-01), Tanaka et al.
Lindstrom Bengt T. L.
Orke Gustav G.
Franzblau Bernard
Grimley Arthur T.
Treacy David R.
U.S. Philips Corporation
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