发明名称 Spring ring easy-open positive-reclose hermetic food package
摘要 This invention relates to packaging and is more particularly concerned with improvements in a package and method of forming the same in which the meat or perishable food package can be easily opened and reclosed while positively conveying a positive perception to the customer that the package is hermetically sealed before it is opened and that the package is positively resealable. An opening and reclosure cap provides an audible snap as it is opened and a similar audible snap as it is reclosed.
申请公布号 US4850504(A) 申请公布日期 1989.07.25
申请号 US19880266723 申请日期 1988.11.03
申请人 OSCAR MAYER FOODS CORPORATION 发明人 GINDROD, PAUL E.;GRIESBACH, RAY H.;HUSTAD, GERALD O.
分类号 B65D43/02;B65D43/04;B65D75/32 主分类号 B65D43/02
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