发明授权
- 专利标题： Easily-openable packaging container
- 专利标题（中）： 容易打开的包装容器
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申请号： US732903申请日： 1991-08-07
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公开(公告)号： US5178293A公开(公告)日： 1993-01-12
- 发明人: Takanori Suzuki , Yukio Takata , Takeshi Shinohara
- 申请人： Takanori Suzuki , Yukio Takata , Takeshi Shinohara
- 申请人地址： JPX Tokyo
- 专利权人： Idemitsu PetroChemical Co., Ltd.
- 当前专利权人： Idemitsu PetroChemical Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX61/79260 19860408; JPX61/168115 19860718; JPX61/178799 19860731; JPX61/229588 19860930; JPX61/229591 19860930; JPX61/229592 19860930; JPX61/229593 19860930
- 主分类号： B32B7/06
- IPC分类号： B32B7/06 ; B65D17/40 ; B65D77/20
摘要：
A multilayer container having a flange portion and an easily-openable packaging container packaged by using the multilayer container, wherein the interlaminar strength of the multilayer container is smaller than the peeling strength between the flange portion and the lid member, and a ring notch is provided to an inner surface layer of the flange portion inside a heat seal portion.The packaging container has both a good sealing property and an easy openability and has an excellent resistance to boiling and a retort treatment, and peeled surface has a good appearance.A method for producing the multilayer container and a method for producing the packaging container, and an apparatus to be used for producing the multilayer container, and a method for filling and packaging, and an apparatus for filling and packaging are disclosed.
公开/授权文献
- US5831325A Antifuse structures with improved manufacturability 公开/授权日：1998-11-03
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