Invention Application
- Patent Title: BICYCLE RIM AND METHOD OF MANUFACTURE THEREOF
- Patent Title (中): 自行车制动器及其制造方法
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Application No.: US13018750Application Date: 2011-02-01
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Publication No.: US20120193971A1Publication Date: 2012-08-02
- Inventor: Etsuyoshi WATARAI
- Applicant: Etsuyoshi WATARAI
- Applicant Address: JP Osaka
- Assignee: SHIMANO INC.
- Current Assignee: SHIMANO INC.
- Current Assignee Address: JP Osaka
- Main IPC: B60B25/00
- IPC: B60B25/00 ; B21K1/38 ; B60B21/00
Abstract:
A bicycle rim is basically provided with an outer rim portion and an inner rim portion. The outer rim portion has a ring shape of a first material. The inner rim portion is joined to the outer rim portion. The inner rim portion has a ring shape of a second material with an internal residual stress distribution resulting from the ring shape being formed by spinning of the second material.
Public/Granted literature
- US08756814B2 Method of manufacturing a bicycle rim Public/Granted day:2014-06-24
Information query
