发明名称 |
Process of rolling automobile rims |
摘要 |
The invention relates to a method of rolling tire rim blanks from flat metal strips obtained by unwinding strip material from a coil which is cut into strips of desired lengths which are then rolled into a circular shape by anvil rolls cooperating with bodily moveable bending rolls producing a controlled flat portion on the leading end of the strip prior to rolling and another controlled flat portion on the trailing end of the strip following the rolling.
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申请公布号 |
US4304114(A) |
申请公布日期 |
1981.12.08 |
申请号 |
US19780897915 |
申请日期 |
1978.04.19 |
申请人 |
F. J. LITTELL MACHINE COMPANY |
发明人 |
WIIG, CHESTER M. |
分类号 |
B21D53/30;B21H1/10;(IPC1-7):B21H1/10;B21D5/14 |
主分类号 |
B21D53/30 |
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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