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1. 发明授权

US4712706A Easy open type can 失效
标题翻译：易开式可以
公开(公告)号：US4712706A
公开(公告)日：1987-12-15
申请号：US4645
申请日：1987-01-20
申请人： Akira Nakata , Shiroh Matsumoto , Hitoshi Tozima , Masahiko Minato
发明人： Akira Nakata , Shiroh Matsumoto , Hitoshi Tozima , Masahiko Minato
IPC分类号： B65D17/40 , B65D41/32
CPC分类号： B65D17/14 , B65D17/165 , B65D17/168 , B65D2101/0023
摘要： An easy open type can including a can closure having a top panel with a peripheral wall portion extending downwards from a circumferential edge of the top panel portion thereof. A tab is provided for opening the closure. A score line is constructed in the peripheral wall portion so as to be connected to an end of one side edge of the tab and extending over the whole circumference of the peripheral wall portion. The peripheral wall portion is mounted on and fixed to an open end portion of a can barrel. The can closure is formed of a metallic foil and a thermoplastic resin layer covering an outer surface of the metallic foil and the score line is constructed by removing only the resin layer of the peripheral wall portion of the can closure. The score line is provided in a region of the peripheral wall portion that is adhered to the open end portion of the can barrel.
摘要翻译：一种简单的开放型可以包括具有顶板的罐盖，其具有从其顶板部分的周缘向下延伸的周壁部分。提供用于打开封闭件的突片。在周壁部分中形成刻痕线，以便连接到突片的一个侧边缘的一端并在周壁部分的整个圆周上延伸。周壁部安装在罐筒的开口端部上并固定在罐筒的开口端部。罐盖由金属箔和覆盖金属箔的外表面的热塑性树脂层形成，刻痕线仅通过除去罐盖的周壁部分的树脂层而构成。刻痕线设置在附着在罐筒的开口端部的周壁部的区域。

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