| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce the number of necessary necking dies and reduce cost, in manufacturing an aluminum bottle. <P>SOLUTION: In a method for manufacturing a necked container, each necking die includes: an at least partially non-polished necking surface 10; and a non-polished relief 20 following the necking surface. <P>COPYRIGHT: (C)2012,JPO&INPIT |
