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Method of making disc wheel and rim assemblies and apparatus for welding disc wheel to rim
Method of making disc wheel and rim assemblies and apparatus for welding disc wheel to rim
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机译:制造盘轮和轮辋组件的方法以及将盘轮焊接到轮辋的设备
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908,418. Making wheels; uniting by fusion. FIRESTONE TIRE & RUBBER CO. Jan. 27, 1961 [Sept. 26, 1960], No. 3236/61. Classes 83 (2) and 83 (4). A method of making a disc wheel assembled in a rim and having a curved bowl shape tapering from a flat hub portion to a relatively thin rim flange, Figs. 7 and 8, comprises cold spinning a flat circular axially perforate blank into a curved bowl of tapering thickness by axially displacing successive elements of the blank from the hub portion radially outwardly while maintaining the outer diameter of the blank constant, die-forming the spun bowl to provide a cylindrical rim attaching flange thereon, pressing said bowl into a metal tyre rim and making a continuous circumferential weldment of the rim attaching flange of said bowl to the rim and penetrating into said rim attaching flange and into said rim. Apparatus for carrying out the method is described in Specification 909,120.
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