发明名称 |
Opening device |
摘要 |
An opening device comprising a removable membrane (11) connected to a pulling device (12). The pulling device (12) is connected to the membrane (11) at its opposed ends (13, 14) so as to define a pull ring. Weakening arrangements (15, 16) are provided at said opposed ends to initiate the tearing off of the membrane.
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申请公布号 |
US2004026421(A1) |
申请公布日期 |
2004.02.12 |
申请号 |
US20030433685 |
申请日期 |
2003.06.05 |
申请人 |
HOLM HENRIK;STILLERUD LENNART |
发明人 |
HOLM HENRIK;STILLERUD LENNART |
分类号 |
B65D47/36;B65D17/34;B65D51/20;B65D51/22;(IPC1-7):B65D17/34 |
主分类号 |
B65D47/36 |
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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