发明名称 Fremgangsmåte og anordning for forsegling av en matemballasje
摘要 <p>A method and a device for sealing a thermoplastic food package, comprising a container base (1) and a reusable cover (4) to be applied to the base. The cover (4) of the package is manufactured and mounted as a sandwich construction of at least two generally planar thermoplastic parts (8, 9), namely an oxygen permeability determining, lower part (8) and a covering part (9), the covering part having a somewhat larger size or area than the lower part (8), so that when the parts are mounted, the covering part (9) forms a projecting portion (10), which is used for hermetically sealing the package in that it is applied against the edge of the container base (1), whereafter the edge is heated together with the projecting portion.</p>
申请公布号 NO314489(B1) 申请公布日期 2003.03.31
申请号 NO19980003394 申请日期 1998.07.23
申请人 SUPERFOS PACKAGING AB 发明人 ANDERSSON, SVEN
分类号 B65D43/02;B65D51/18;(IPC1-7):B65B7/28;B65D77/20 主分类号 B65D43/02
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