发明名称 |
PACKAGING MATERIAL AND PACKAGING PRODUCT |
摘要 |
<p>A packaging material is provided that can provide a packaging bag or container cover in which the contents is shielded from the atmosphere and tightly sealed, a small hole is formed in the appropriate locations, without special processing of the heat seal portion, and the internal pressure is maintained with high stability at a level above the normal pressure. The packaging material is suitable, for example, for heating in a microwave oven. The packaging material uses a film in which a heat sealing agent (4) with a low melting point is applied to a prescribed zone of an oriented film (2) made of a synthetic resin, a cutting line (5) is cut in the oriented film (2) made of a synthetic resin in the form of a solid or broken line passing through the zone coated with the heat sealing agent (4), and a cast film (3) made of a synthetic resin and having heat sealing properties is affixed to the oriented film (2) made of a synthetic resin. Such film is used for a packaging bag (1) or a container cover. <IMAGE></p> |
申请公布号 |
EP1277672(B1) |
申请公布日期 |
2008.12.17 |
申请号 |
EP20010925899 |
申请日期 |
2001.04.25 |
申请人 |
CHOKOKU PLAST CORPORATION;INAGAKI, HIROMICHI |
发明人 |
INAGAKI, HIROMICHI;TAKAHASHI, SAKARU |
分类号 |
B65D81/34;B65D65/28;B65D77/22;B65D81/24 |
主分类号 |
B65D81/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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