Uniform microwave heating of food in a container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 81/34 (2006.01) A23L 1/01 (2006.01) A23L 1/025 (2006.01) A23L 1/16 (2006.01)

Patent

CA 2478503

The invention relates to a device and method for ensuring more uniform heating of food by microwaves. The method includes providing food (1) in a portion having a predetermined size and shape; and providing a container (2) adapted for receiving and reheating the portion of food in a microwave oven (5). The container forms a supporting cavity having peripheral sides (3) and a bottom side, with the portion of food placed within the supporting cavity. The peripheral sides of the container are circumferentially shielded by a microwave reflective material that forms a circumference having axial and transverse distances that are determined so as to change the wavelength of resonant modes inside the food thereby resulting in a more uniform heating food pattern.

La présente invention concerne un dispositif et un procédé destinés à garantir un réchauffement plus uniforme des aliments par micro-ondes. Le procédé de l'invention consiste à disposer d'aliments (1) sous la forme d'une portion de taille et de forme prédéterminées, et à disposer d'un contenant (2) apte à recevoir et à réchauffer la portion d'aliments précitée dans un four à micro-ondes (5). Le contenant forme une cavité de support munie de parois périphériques (3) et d'une paroi inférieure, la portion d'aliments étant placée à l'intérieur de la cavité de support. Les parois périphériques du contenant sont protégées sur leur circonférence par un matériau réfléchissant les micro-ondes qui forme une circonférence possédant des distances axiales et transversales déterminées de manière qu'elles modifient la longueur d'onde des modes résonants à l'intérieur des aliments, permettant la sorte d'obtenir une courbe de réchauffement des aliments plus uniforme.

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