发明名称 |
VERFAHREN ZUR HERSTELLUNG EINER FELGE EINES FAHRZEUGRADES |
摘要 |
A method of making a rim of sheet metal for a vehicle wheel, in which: a rectangular geometric shape is cut out of a blank of sheet metal; the blank is bent to obtain a cylindrical hoop; the two free edges of the hoop are welded together; at least one cylindrical flow spinning operation is performed to obtain a profile of given thickness of the hoop, zones of constant thickness being adjacent to zones of variable thickness; a cut is made perpendicular to the axis of the hoop out of at least one lateral edge of the hoop; the hoop is profiled to obtain the rim; and the size of the said rim is set. |
申请公布号 |
AT279276(T) |
申请公布日期 |
2004.10.15 |
申请号 |
AT20010980534T |
申请日期 |
2001.10.31 |
申请人 |
SOCIETE DE TECHNOLOGIE MICHELIN;MICHELIN RECHERCHE ET TECHNIQUE S.A. |
发明人 |
GUIMARD, BRUNO |
分类号 |
B60B21/00;B21D53/26;B21D53/30;(IPC1-7):B21D53/30 |
主分类号 |
B60B21/00 |
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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