Patent ID: 6906297
Filing Date: 2005-06-14
Classification: A23L,B65D,H05B

Abstract:
1. A method for microwave-heating prepared meals sealed in trays, in which the trays are placed in an autoclave into which microwaves are coupled from waveguides run only from a side of said autoclave ( 1 ) under a microwave-transparent conveying device ( 2 A) bearing said trays ( 3 ) and in which said trays are moved within and/or through said autoclave, the method comprising the steps of: irradiating said trays ( arranging decoupling openings in said waveguides immediately beneath the trays ( alternating the positions of said decoupling openings between first and second positions along a direction generally transverse to the direction of movement of said conveying devise, associated with two different portions of said trays to be heated, at successive waveguides along said conveying device; and arranging said trays (