发明名称 |
A METAL CLOSURE WITH SEPARATE DISC AND RING FROM A SINGLE CLOSURE BLANK |
摘要 |
A method of production of a metal closure (1') having a disc (10') constrained within a peripheral ring (20'). The metal closure is produced from a conventional one-piece closure blank by cutting the sidewall (20) and/or top plate (10) in the transition therebetween. |
申请公布号 |
PT2228152(E) |
申请公布日期 |
2013.03.18 |
申请号 |
PT20100165997T |
申请日期 |
2007.10.31 |
申请人 |
CROWN PACKAGING TECHNOLOGY INC |
发明人 |
CHRISTOPHER PAUL RAMSEY;PAUL ROBERT DUNWOODY |
分类号 |
B21D51/44;B21D51/38;B65D51/14 |
主分类号 |
B21D51/44 |
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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