发明名称 |
Closure with frangible membrane |
摘要 |
There is described a closure comprising a wall defining an aperture and a membrane frangibly connected to the wall and closing the aperture. The frangible connection between the membrane and the wall lies in a plane which is inclined to a plane perpendicular to an axis of the aperture.
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申请公布号 |
US7559432(B2) |
申请公布日期 |
2009.07.14 |
申请号 |
US20040021548 |
申请日期 |
2004.12.21 |
申请人 |
PORTOLA PACKAGING LIMITED |
发明人 |
MAVIN GERRY;STEPHENSON TIMOTHY;GLOVER STEPHEN |
分类号 |
B65D41/32;B65D47/10;B65D51/20;B65D51/22 |
主分类号 |
B65D41/32 |
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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