发明名称 |
ROTARY UPPER ROLL SELECTOR |
摘要 |
A tube forming machine having at least two upper forming roll members in the breakdown section which may be selectively indexed into cooperative working relation with a lower forming roll member to produce different size tubes without the necessity of physically removing the upper forming roll member and replacing the same with another forming roll member of a different configuration.
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申请公布号 |
CA2184208(A1) |
申请公布日期 |
1997.03.23 |
申请号 |
CA19962184208 |
申请日期 |
1996.08.27 |
申请人 |
ABBEY ETNA MACHINE CO. |
发明人 |
RUPLE, LEWIS H.;TABER, SUSAN J. |
分类号 |
B21D5/12;(IPC1-7):B21B17/00 |
主分类号 |
B21D5/12 |
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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