发明名称 MANUFACTURING PROCESS TO PRODUCE A NECKED CONTAINER
摘要 <p>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 an metal container including providing an 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.</p>
申请公布号 EP2021136(B1) 申请公布日期 2015.05.06
申请号 EP20070777035 申请日期 2007.05.14
申请人 ALCOA INC. 发明人 MYERS, GARY L.;FEDUSA, ANTHONY;DICK, ROBERT E.
分类号 B21D51/26 主分类号 B21D51/26
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