| 发明名称 |
Mandrel for expanding ends of tubes, has rear section with reduced diameter region |
| 摘要 |
The rear section (3) of the mandrel includes at least one region (4) with a reduced diameter. The mandrel has a round cross-section and its front section (2) is conically tapered. |
| 申请公布号 |
NL1013412(C2) |
申请公布日期 |
2001.05.02 |
| 申请号 |
NL19991013412 |
申请日期 |
1999.10.28 |
| 申请人 |
VSH FABRIEKEN B.V. |
发明人 |
VICTOR MICHAUL ALEXANDER BARENDREGT |
| 分类号 |
B21D39/20 |
主分类号 |
B21D39/20 |
| 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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