发明名称 |
METHOD AND EQUIPMENT FOR PERFORMING CONTINUOUS EXTRUSION |
摘要 |
<p>The invention relates to a method for performing continuous extrusion of a metallic material, such as copper, so that the material to be extruded (1) is fed in the extrusion member (4) by means of a feed member (3) provided with a groove on its peripheral wall (2) and by an abutment (5) arranged in said groove, so that the groove (8) is protected against oxidation by arranging for at least part of the peripheral wall (2) of the feed member (3) a gas-protecting member (7). The invention also relates to said equipment.</p> |
申请公布号 |
WO2005000493(A1) |
申请公布日期 |
2005.01.06 |
申请号 |
WO2004FI00365 |
申请日期 |
2004.06.14 |
申请人 |
OUTOKUMPU OYJ;LEIPONEN, MATTI |
发明人 |
LEIPONEN, MATTI |
分类号 |
B21C23/00;(IPC1-7):B21C23/00 |
主分类号 |
B21C23/00 |
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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