Title:
自動車用ホイール
Document Type and Number:
Japanese Patent JP5090365
Kind Code:
B2
Abstract:
In a disc of an automobile wheel, a plurality of hub surface rounded portions are formed at intervals on an imaginary circle provided around a hub hole and centered on an imaginary center corresponding to the center of the hub hole. The hub surface rounded portions are provided with a compressive residual stress by a compression process for work hardening. The strength of the hub surface rounded portions can thus be improved.
Inventors:
Noriyuki Fukaya
Yoshiyuki Nibuya
Katsuya Chashiro
Takahiko Jinno
Satoru Nakamura
Yoshiyuki Nibuya
Katsuya Chashiro
Takahiko Jinno
Satoru Nakamura
Application Number:
JP2008545279A
Publication Date:
December 05, 2012
Filing Date:
November 22, 2006
Export Citation:
Assignee:
Chuo Seiki Co., Ltd.
International Classes:
B60B1/10; B60B3/04; B60B3/10
Domestic Patent References:
| JP2001071702A | 2001-03-21 | |||
| JP2001246901A | 2001-09-11 | |||
| JPH08183301A | 1996-07-16 |
Attorney, Agent or Firm:
Kitao Matsuura
Yu Yamamoto
Yasutoshi Iwata
Yu Yamamoto
Yasutoshi Iwata