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    • 29. 发明专利
    • Food storing container manufacturing method
    • 食品储存容器制造方法
    • JP2006315687A
    • 2006-11-24
    • JP2005136957
    • 2005-05-10
    • Sato Isamu佐藤 勇
    • HAMANO SHINKICHI
    • B31B50/59B65D1/00B65D1/34B65D65/42
    • B65D5/28B65D1/34B65D5/2019B65D5/2047B65D2565/385
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a food storing container made of a vegetable fiber material which has a practical strength and can be manufactured industrially at a low cost.
      SOLUTION: The manufacturing method comprises a step for forming a cardboard-like product of a predetermined size of a pulp and one or two or more kinds of the vegetable fiber materials other than the pulp, a step for coating a thermoplastic resin having the heat sealing function, a step for forming cut parts to form side face pieces on four corners of the cardboard-like product, and a step for forming a food storing container by heat-pressing the obtained cardboard-like product by a pair of projecting and recessed press dies. The one pair of side face pieces facing each other are raised earlier than the other pair of side face pieces facing each other to form a container with the four corners affixed to each other by the heat-pressing.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供一种制造具有实用强度且可以以低成本制造的植物纤维材料的食品储存容器的制造方法。 解决方案:制造方法包括用于形成预定尺寸的纸浆和一种或两种以上植物纤维材料以外的纸浆的纸板状产品的步骤,用于涂布热塑性树脂的步骤,其具有 热封功能,用于形成切割部分以在纸板状产品的四个角上形成侧面片的步骤,以及通过一对突出部分热压所获得的纸板状产品来形成食物储存容器的步骤 和凹陷式压模。 彼此面对的一对侧面片比另一对侧面片彼此面对,形成容器,四个角通过热压而彼此固定。 版权所有(C)2007,JPO&INPIT