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    • 1. 发明授权
    • Microwave heating package and method
    • 微波加热包装及方法
    • US4190757A
    • 1980-02-26
    • US870906
    • 1978-01-19
    • Charles H. TurpinThomas C. Hoese
    • Charles H. TurpinThomas C. Hoese
    • B65D81/34H05B9/06B65B25/22
    • B65D81/3446B65D2581/3406B65D2581/3447B65D2581/3448B65D2581/3464B65D2581/3472B65D2581/3477B65D2581/3479B65D2581/3481B65D2581/3482B65D2581/3489B65D2581/3494
    • The invention provides a distribution and heating method for foodstuffs and an inexpensive disposable microwave shipping, heating and serving package for food composed of a paperboard carton and a lossy microwave energy absorber which becomes hot when exposed to microwave radiation. The absorber is associated in conductive heat transfer relationship with a food product contained in the package and is usually bonded to a structural supporting sheet such as aluminum foil. The package also includes a shield e.g., a metal foil sheet adapted to reduce by a controlled amount the direct transmission of microwave energy into the food product. The shield may have holes of a selected size to provide a predetermined controlled amount of direct microwave energy to the food product or can be a nonperforated sheet or screen. The absorber heats the adjacent surface of the food by conduction to a sufficiently high temperature to provide searing or browning while controlled microwave exposure heats the inside. The thickness of the absorber is substantially in the range wherein absorber thickness and temperature response are positively correlated.
    • 本发明提供一种用于食品的分配和加热方法以及用于由纸板纸箱和有损的微波能量吸收器组成的食品的廉价的一次性微波运输,加热和服务包装,其在暴露于微波辐射时变热。 该吸收器与包装在包装中的食品相关联,并且通常与诸如铝箔的结构支撑片材结合。 封装还包括屏蔽,例如金属箔片,其适于将受控量的微波能量直接传输到食品中。 护罩可以具有所选尺寸的孔,以向食品提供预定的受控量的直接微波能量,或者可以是非穿孔片或屏幕。 吸收器通过传导加热食物的相邻表面至足够高的温度以提供灼热或褐变,同时受控的微波暴露加热内部。 吸收体的厚度基本上在吸收体厚度和温度响应呈正相关的范围内。