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1. 发明授权

US5591468A Method of shrinking film to apply lidstock and package made therefrom 失效
标题翻译：收缩薄膜以涂覆盖子和由其制成的包装的方法
公开(公告)号：US5591468A
公开(公告)日：1997-01-07
申请号：US470802
申请日：1995-06-06
申请人： Henry W. Stockley, III , Art T. Krebs
发明人： Henry W. Stockley, III , Art T. Krebs
IPC分类号： B65B7/16 , B65B25/06 , B65D51/18 , B65D77/20 , B65B11/58 , B65B53/02 , B65D85/50
CPC分类号： B65D77/2024 , B65B25/067 , B65B7/168 , B65D51/185 , B65D2251/0031 , B65D2251/0093
摘要： A package and a method for making a package which allows for the central processing of fresh red meat is disclosed which includes a tray, a first film enclosing the product within the tray and a second film, which is removed at retail, enclosing the first film. The first film and the second film are sealed to the inner periphery and the outer periphery, respectively, of the single flange of a conventional foamed or nonfoamed tray. The first film is a heat shrinkable film which is sealed to the inner periphery of the flange forming a first seal, trimmed outboard of the first seal, thereby forming an excess portion of the first film outboard of the first seal, and then subjected to a sufficiently high temperature to shrink the excess portion and thereby expose a sealing area on the outer periphery of the flange. The second film is then sealed to the sealing area on the outer periphery of the flange, forming a second seal such that the second film encloses the first film.
摘要翻译：公开了一种用于制造允许新鲜红肉的中央处理的包装的包装和方法，其包括托盘，将托盘内的产品封闭的第一膜和在零售时除去的第二膜，封闭第一膜。第一膜和第二膜分别密封在常规发泡或未发泡的托盘的单个凸缘的内周和外周。第一膜是热收缩膜，其密封到凸缘的内周，形成第一密封，修剪在第一密封件的外侧，从而在第一密封件的外侧形成第一膜的多余部分，然后经受足够高的温度以收缩多余部分，从而暴露凸缘的外周上的密封区域。然后将第二膜密封到凸缘的外周上的密封区域，形成第二密封，使得第二膜包围第一膜。

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