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公开(公告)号:US5594988A
公开(公告)日:1997-01-21
申请号:US532702
申请日:1995-09-26
Applicant: Jordan S. Fishman
Inventor: Jordan S. Fishman
CPC classification number: B21D53/30 , Y10T29/49529 , Y10T29/49531
Abstract: A method of manufacturing a wheel rim comprising the steps of: (i) pressing or rolling flat steel section into an annulus; (ii) welding the ends of the section together; (iii) heating to about 700.degree. C. one end of the annulus to an axially extending depth of about 7.5 cm; (iv) pressing said one end partially or fully to shape; (v) heating to about 700.degree. C. the other end of the annulus to an axially extending depth of about 7.5 cm; (vi) pressing said other end partially or fully to shape.
Abstract translation: PCT No.PCT / GB94 / 00573 Sec。 371日期:1995年9月26日 102(e)日期1995年9月26日PCT 1994年3月21日PCT公布。 公开号WO94 / 22615 PCT 日期:1994年10月13日制造轮辋的方法包括以下步骤:(i)将扁钢部分压入或滚动到环形空间中; (ii)将该部分的端部焊接在一起; (iii)加热至约700℃,环形空隙的一端至约7.5cm的轴向延伸深度; (iv)将所述一端部分或全部按压成型; (v)将空气的另一端加热至约700℃至约7.5cm的轴向延伸深度; (vi)将所述另一端部分或全部按压成形。