发明名称 |
Manufacturing process to produce a necked container |
摘要 |
The present invention provides a necking system including a plurality of necking dies each necking dies having an at least partially non-polished necking surface and a non-polished relief following the necking surface. The present invention further provides a method of necking a metal container including providing a metal blank; shaping the blank into a bottle stock; and necking the metal bottle stock, wherein necking includes at least one necking die having an at least partially non-polished necking surface. |
申请公布号 |
US8322183(B2) |
申请公布日期 |
2012.12.04 |
申请号 |
US20100767190 |
申请日期 |
2010.04.26 |
申请人 |
MYERS GARY L.;FEDUSA ANTHONY;DICK ROBERT E.;ALCOA INC. |
发明人 |
MYERS GARY L.;FEDUSA ANTHONY;DICK ROBERT E. |
分类号 |
B21D22/28 |
主分类号 |
B21D22/28 |
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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