发明名称 |
Method of drawing and ironing a resin film laminated metal sheet and resin film laminated drawn and ironed can using the same method |
摘要 |
A method of drawing and ironing a resin film laminated metal sheet for forming a can body having a bottom portion, a can wall portion and a flange-forming portion by drawing the resin film laminated metal sheet obtained by laminating at least one surface of a metal sheet with an organic resin film, followed by ironing by using a punch and a plurality of dies neighboring each other. The can wall is effectively prevented from being broken by a decrease in the thickness of the can wall, and drawn and ironed cans are efficiently formed having a thickness which is decreased as designed. |
申请公布号 |
US8413478(B2) |
申请公布日期 |
2013.04.09 |
申请号 |
US20080092683 |
申请日期 |
2008.05.05 |
申请人 |
TOMARU HIDEKAZU;TAYA SHINICHI;KAI MASAHIRO;TANABE JUNICHI;TSUTSUMI ETSURO;SAIKI NORIHITO;TOYO KOHAN CO., LTD.;TOYO SEIKAN KAISHA, LTD. |
发明人 |
TOMARU HIDEKAZU;TAYA SHINICHI;KAI MASAHIRO;TANABE JUNICHI;TSUTSUMI ETSURO;SAIKI NORIHITO |
分类号 |
B21D22/20;B21D22/00 |
主分类号 |
B21D22/20 |
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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