Microwave canning apparatus

Electric heating – Metal heating – Of cylinders

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Details

219 1055R, 219431, 99369, 99451, 99DIG14, 426243, H05B 680, A47J 2708

Patent

active

044094540

ABSTRACT:
A method and apparatus for canning food products in a non-metallic jar, utilizing a non-metallic jar lid and a non-metallic enclosure enveloping the jar and lid and which is placed within a microwave oven for heating with a pressure control check valve for limiting the maximum pressure within the enclosure during heating and preventing entry of air during subsequent cooling of the enclosure and food product.

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