发明名称 |
Method of making a wheel rim |
摘要 |
A method for producing vehicle wheel rims is disclosed. The method, as applied to a wheel rim preform having given axial width and having bead seat areas, as well and an inboard leg, entails a thinning and stretching operation applied to the well and inboard leg thereby producing a finished wheel rim having an axial width greater than the axial width of the preform and a weight of twenty to thirty percent less than similar prior art wheel rims.
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申请公布号 |
US4962587(A) |
申请公布日期 |
1990.10.16 |
申请号 |
US19890341383 |
申请日期 |
1989.04.21 |
申请人 |
KELSEY-HAYES COMPANY |
发明人 |
ASHLEY, JR., WALTER L.;JANSEN, DANIEL F.;MEYER, JR., GEORGE Y. |
分类号 |
B21D22/16;B21D53/30;B21H1/10 |
主分类号 |
B21D22/16 |
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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