Invention Grant
- Patent Title: Method of manufacturing rims for motor vehicles
- Patent Title (中): 制造汽车轮辋的方法
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Application No.: US10387568Application Date: 2003-03-14
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Publication No.: US06935024B2Publication Date: 2005-08-30
- Inventor: Kiichi Shimizu
- Applicant: Kiichi Shimizu
- Applicant Address: JP Anjo
- Assignee: Central Motor Wheel Co., Ltd.
- Current Assignee: Central Motor Wheel Co., Ltd.
- Current Assignee Address: JP Anjo
- Agency: Connolly Bove Lodge & Hutz LLP
- Main IPC: B21K1/28
- IPC: B21K1/28 ; B21K1/38
Abstract:
A process of manufacturing a rim for a motor vehicle from an original pipe, in order to facilitate formation of projections for reducing road noise on the rim, comprises a projection forming step of partially extruding a ledge portion of an intermediate pipe for the rim from inside to outside in a radial direction of the ledge portion so as to form a plurality of projections at suitable intervals.
Public/Granted literature
- US20040177507A1 Method of manufacturing rims for motor vehicles Public/Granted day:2004-09-16
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