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    • 3. 发明授权
    • Packaging container and method of forming the same
    • 包装容器及其形成方法
    • US5765710A
    • 1998-06-16
    • US586714
    • 1996-01-29
    • Claude Bergerioux
    • Claude Bergerioux
    • B65D1/28B65B3/02B65B53/02B65D25/34B65D81/34B65D81/38G07F9/00B65D23/08
    • B65B3/02B65B53/02B65D25/34B65D81/343B65D81/3886
    • A packaging container includes a holding container thermoformed from a multi-layer sheet made of a resin, a lid made of resin and adapted for sealing the holding container, and an exterior covering surrounding the exterior of the holding container and made of a non-metallic material having a hardness and a thermal insulating performance higher than those of the holding container. Since no metal is used in the packaging container, the packaging container can be easily crushed after being thrown away, and the collection of the packaging container can be made easier. Since the holding container and the lid are made of resin and the exterior covering is made of a non-metallic material, food in the packaging container can be directly heated by dielectric heating. According, the food can be heated to a sufficient temperature within a short time. Moreover, since the exterior covering has a good thermal insulating performance, the packaging container can be held by hand even immediately after being taken out from a vending machine, and the food held therein is prevented from quickly getting cold.
    • PCT No.PCT / JP94 / 01390 Sec。 371日期1996年1月29日 102(e)日期1996年1月29日PCT 1994年8月23日PCT公布。 公开号WO95 / 05983 日期1995年3月2日包装容器包括由树脂制成的多层片材热成型的保持容器,由树脂制成的盖子,用于密封保持容器,以及围绕保持容器的外部的外部覆盖物, 具有比保持容器高的硬度和绝热性能的非金属材料。 由于在包装容器中不使用金属,所以包装容器在被丢弃之后容易被粉碎,容易收集包装容器。 由于保持容器和盖子由树脂制成,并且外部覆盖物由非金属材料制成,所以包装容器中的食物可以通过介电加热直接加热。 食物可以在短时间内加热到足够的温度。 此外,由于外部覆盖物具有良好的隔热性能,因此即使在从自动售货机取出后也能立即将手包保持在包装容器中,并且防止其中保持的食物迅速变冷。