发明名称 |
Easily openable cover member |
摘要 |
An easily openable cover member for a container which is formed from thermoplastic synthetic resin of high flexibility and which integrally has unsealing means for opening an openable portion defined by a thinned portion and said unsealing means is integral with and extends upwardly of the openable portion. The cover member has been formed by injection-molding synthetic resin so as to have the openable portion integrally formed with the unsealing means.
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申请公布号 |
US4324342(A) |
申请公布日期 |
1982.04.13 |
申请号 |
US19800160591 |
申请日期 |
1980.06.18 |
申请人 |
TOKAN KOGYO KABUSHIKI KAISHA |
发明人 |
YAMAGUCHI, KISABURO;YOSHIKAWA, TSUKASA |
分类号 |
B29D99/00;B65D17/28;B65D17/32;B65D17/34;B65D17/40;B65D41/32;B65D41/48;B65D51/20;B65D51/22;(IPC1-7):B65D17/32 |
主分类号 |
B29D99/00 |
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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