Invention Application
US20020180255A1 Lightened disk for a wheel and a method for manufacturing the same 有权
轮的减光盘及其制造方法

Lightened disk for a wheel and a method for manufacturing the same
Abstract:
A lightened disk for a wheel has a flange having an axially inboard edge. The inboard edge includes a general portion which is located in a plane perpendicular to an axis of the disk. The flange portion has a thickness less than 90% of a thickness of a disk material at at least the general portion of the inboard edge. A method for manufacturing a lightened disk for a wheel includes a drawing step during which the flange portion is drawn such than the flange portion has a thickness less than 90% of a thickness of a disk material at at least the general portion of the inboard edge.
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