Title:
リング素材の製造方法
Document Type and Number:
Japanese Patent JP5446787
Kind Code:
B2
Inventors:
Ichito Kobayashi
Nobuyuki Hagiwara
Nakamura Toshio
Nobuyuki Hagiwara
Nakamura Toshio
Application Number:
JP2009271453A
Publication Date:
March 19, 2014
Filing Date:
November 30, 2009
Export Citation:
Assignee:
Nippon Seiko Co., Ltd.
International Classes:
B21H1/06; B21J5/06; B21J5/08; B21K21/06; B21H1/12
Domestic Patent References:
| JP2247036A | ||||
| JP2001300668A | ||||
| JP2006097808A | ||||
| JP2001286971A | ||||
| JP2006097809A |
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Hironori Honda
Toshimitsu Ichikawa