发明名称 |
Expander having automatic stepping feature |
摘要 |
A tube expander includes a housing, a generally cylindrical cage and a mandrel movably disposed within the bore of said cage. The expander further includes an indexing system to automatically axially advance the cage relative to the housing in a step by step manner.
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申请公布号 |
US4166371(A) |
申请公布日期 |
1979.09.04 |
申请号 |
US19780905509 |
申请日期 |
1978.05.12 |
申请人 |
HAUSCHKE, MANFRED;MEISSNER, VOLKER |
发明人 |
HAUSCHKE, MANFRED;MEISSNER, VOLKER |
分类号 |
B21D39/10;(IPC1-7):B21D39/06 |
主分类号 |
B21D39/10 |
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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