发明名称 |
Manufacture of tubular components. |
摘要 |
<p>A method and apparatus for push-pointing a tube so as to produce a smaller diameter end portion includes means for sizing and finishing the reduced diameter portion utilizing a headed mandrel located in the tube and withdrawn through the reduced diameter portion whilst the latter is engaged in the push-pointing die. Figure 5 shows the push-pointing step completed, and the mandrel engaged with the die ready to begin the internal sizing operation.</p> |
申请公布号 |
EP0188086(A2) |
申请公布日期 |
1986.07.23 |
申请号 |
EP19850308921 |
申请日期 |
1985.12.09 |
申请人 |
STEVENS & BULLIVANT LIMITED |
发明人 |
THOMPSON, ALFRED JAMES |
分类号 |
B21C5/00;B21D41/04;B21K21/12;(IPC1-7):B21C1/26 |
主分类号 |
B21C5/00 |
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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