Electric heating – Metal heating – Of cylinders
Patent
1981-04-24
1984-05-22
Reynolds, Bruce A.
Electric heating
Metal heating
Of cylinders
99451, 426243, H05B 680
Patent
active
044503342
ABSTRACT:
A microwave pizza maker including a metallic pan, a metallic cover, and a microwave transparent base for removably supporting the pan and cover in spaced overlap alignment forming a partial microwave choke between the side of the pan and a peripheral region of the cover. A layer containing ferrite particles is attached to the undersurface of the pan to absorb microwave energy and produce heat for conduction to the interior defined by the pan and the cover. The base has legs so that the pan is elevated at least an inch above the floor of the oven. The support surface for the pan consists of a plurality of protrusions or spacers to provide a small surface contact area to minimize heat transfer from the pan to the base. The spacers may be fabricated from a different material than the remainder of the base and connected thereto.
REFERENCES:
patent: 3941967 (1976-03-01), Sumi et al.
patent: 4065583 (1977-12-01), Ahlgren
patent: 4306133 (1981-12-01), Levinson
patent: 4317017 (1982-02-01), Bowen
patent: 4362917 (1982-12-01), Freedman et al.
Bowen Robert F.
Martel Thomas J.
Clark William R.
Lateef M. M.
Pannone Joseph D.
Raytheon Company
Reynolds Bruce A.
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