Electric heating – Metal heating – Of cylinders
Patent
1985-11-14
1987-02-10
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1055F, 426107, 426243, 99DIG14, H05B 664
Patent
active
046424342
ABSTRACT:
A microwave reflective energy concentrating spacer is provided which consists of a horizontally disposed article supporting surface and a microwave reflector such as a sheet of metal foil spaced about 1/4 of a wave length of the supplied microwave energy below the supporting surface. The spacer can be formed from flexible packaging materials such as paperboard panels to which the aluminum foil is bonded to form the reflective surface.
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patent: 3835280 (1974-09-01), Gades et al.
patent: 3941967 (1976-03-01), Sumi et al.
patent: 3965323 (1976-06-01), Forker, Jr. et al.
patent: 4306133 (1981-12-01), Levinson
patent: 4499356 (1985-02-01), Hatagawa
patent: 4555605 (1985-11-01), Brown et al.
Andreas David W.
Cox David H.
Watkins James D.
Golden Valley Microwave Foods Inc.
Harmon James V.
Leung Philip H.
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