| 发明名称 |
Containers |
| 摘要 |
A lid and ring to receive it are made from a piece of sheet metal by drawing a preform which has a first portion surrounding a second portion, separating the first portion from the second portion and further forming it to a ring adapted to receive a lid formed from the second portion.
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| 申请公布号 |
US4090004(A) |
申请公布日期 |
1978.05.16 |
| 申请号 |
US19760648034 |
申请日期 |
1976.01.09 |
| 申请人 |
METAL BOX LIMITED |
发明人 |
TEBBUTT, CHARLES N.;STILL, CHARLES D. V. |
| 分类号 |
B21D51/38;B65D43/02;B65D43/04;(IPC1-7):B21D51/00 |
主分类号 |
B21D51/38 |
| 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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