发明名称 METHOD FOR MANUFACTURING A STEEL RIM
摘要 A method for manufacturing a steel rim is disclosed. The method comprises using a single circular steel plate with a circular central hole defined therein, radially cutting the inner face defining the central hole, flattening the cut inner face, radially cutting the outer face of the plate and forming the cut outer face into different shapes to accommodate different tires.
申请公布号 CA2271524(C) 申请公布日期 2004.01.20
申请号 CA19992271524 申请日期 1999.05.12
申请人 CHAUNG, WILLIAM 发明人 CHUANG, WILLIAM
分类号 B60B3/00;B21D22/14;B21D53/30;B23P15/00;B60B21/00;(IPC1-7):B23P15/00 主分类号 B60B3/00
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