发明名称 |
DRAWING DIE, DRAWING METHOD USING DRAWING DIE, AND DRAWN CONTAINER FORMED USING DRAWING DIE |
摘要 |
A drawing die capable of suppressing the occurrence of earings in drawing, a drawing method using the drawing die, and a drawn container which is formed using the drawing die and in which the occurrence of earings is suppressed, wherein friction reducing parts are provided on the portions of the wrinkle preventing surfaces (12) of the drawing die (1) where portions (earings) higher in container height than the other portions occur when a blank is drawn, and a drawn container (40) is formed using the drawing die (1).
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申请公布号 |
WO9948631(A1) |
申请公布日期 |
1999.09.30 |
申请号 |
WO1999JP01310 |
申请日期 |
1999.03.17 |
申请人 |
TOYO KOHAN CO., LTD.;IKEDA, YASUYUKI;SHIMIZU, KEIICHI |
发明人 |
IKEDA, YASUYUKI;SHIMIZU, KEIICHI |
分类号 |
B21D22/22;B21D24/00;(IPC1-7):B21D22/28 |
主分类号 |
B21D22/22 |
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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