Microwave energy oven seal

Details Microwave energy oven seal Microwave energy oven seal

1976-01-08

1977-10-11

Grimley, Arthur T.

Electric heating

Metal heating

Of cylinders

174 35GC, H05B 906

Patent

active

040537315

ABSTRACT:
An energy seal for microwave oven apparatus having a first energy responsive structure disposed adjacent to a first energy propagation path commencing at the peripheral gap between the oven access opening and door assembly walls. A second structure responsive to the oven operating frequency is disposed adjacent to the output end of a second energy propagation path communicating with said first path. In one embodiment a conductive frame trim member forms a second choke-type structure together with underlying door assembly components of a nonconductive plastic material. The energy seal structures may also incorporate a slotted wall arrangement of the type disclosed in U.S. Pat. No. 3,767,884 to Osepchuk et al, issued Oct. 23, 1973.

REFERENCES:
patent: 3584177 (1971-06-01), Bucksbaum
patent: 3668357 (1970-10-01), Kobayashi
patent: 3678238 (1972-07-01), Yasuoka et al.
patent: 3745226 (1973-07-01), Nichols et al.
patent: 3767884 (1973-10-01), Osepchuk et al.
patent: 3809843 (1974-05-01), Takayama

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