Electric heating – Metal heating – Of cylinders
Patent
1986-05-30
1987-12-08
Pellinen, A. D.
Electric heating
Metal heating
Of cylinders
219 1055R, 219 1055F, H05B 664
Patent
active
047119829
ABSTRACT:
A microwave oven door is disclosed having a channel cross-section and formed of plastic material having a microwave impermeable viewing window, hinge means, door securing means, and a microwave impermeable coating in the channel cross-section area. An alternative embodiment has the channel cross-section area formed of a plastic filled with a microwave blocking material. A further embodiment has a microwave impermeable opaque surface in place of the viewing window.
REFERENCES:
patent: 3668357 (1972-06-01), Kobayashi
patent: 3843859 (1974-10-01), Klemp et al.
patent: 3978249 (1976-08-01), Cooke
patent: 4015085 (1977-03-01), Woods
patent: 4053731 (1977-10-01), Foerstner
patent: 4385082 (1983-05-01), Eichelberger et al.
patent: 4563560 (1986-01-01), Bonner
patent: 4609800 (1986-09-01), Sakoda
patent: 4645892 (1987-02-01), Gustafsson
TAFA, Thick Zinc & Copper Zinc Coatings on Thin Plastic, 12/13/79.
Fuller Leon K.
Haurykiewicz John M.
Litton Systems Inc.
Pellinen A. D.
Thiel Walter R.
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