发明名称 EASILY OPENING SEALED CONTAINER AND MANUFACTURE OF CONTAINER MAIN BODY USED FOR CONTAINER
摘要 PROBLEM TO BE SOLVED: To provide a sealed container having the good outer appearance and smooth easily opening properties while keeping stabilized resistance to pressure. SOLUTION: In an easily opening sealed container, a container main body is provided with a flange section 2 of a multilayer sheet formed of two layers or more and having the 300-2000 g/25 mm laminate strength between a seal layer and an adjoining layer facing the seal layer and the 10-70μm thickness of the seal layer, and a drawing pen-shaped opening 7 is formed at least on one site of the flange, and a cover is set to seal the container main body with one channel 8 of wedge-shaped channel face or more having the length from the inner edge of the flange to an intermediate section of the flange, and the 100-300μm depth reaching an adjoining layer and the 60-120 deg. angle of the end so that the seal strength between the seal layer of the container main body and the seal layer of the cover is stronger than the laminate strength between the seal layer of the container main body and the adjoining layer.
申请公布号 JPH11171248(A) 申请公布日期 1999.06.29
申请号 JP19970340329 申请日期 1997.12.10
申请人 SUMITOMO BAKELITE CO LTD 发明人 TAJIRI KAZUO
分类号 B65D77/20;(IPC1-7):B65D77/20 主分类号 B65D77/20
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