Title:
金属製リングの製造方法
Document Type and Number:
Japanese Patent JP5012038
Kind Code:
B2
Inventors:
Ichito Kobayashi
Keiichi Horino
Keiichi Horino
Application Number:
JP2007010153A
Publication Date:
August 29, 2012
Filing Date:
January 19, 2007
Export Citation:
Assignee:
Nippon Seiko Co., Ltd.
International Classes:
B21D53/16; B21D19/08; B21H1/06
Domestic Patent References:
| JP9141364A | ||||
| JP7124672A | ||||
| JP2274337A | ||||
| JP6294418A | ||||
| JP7103337A | ||||
| JP1061669A | ||||
| JP62266224A |
Attorney, Agent or Firm:
Takeo Koyama
Masaki Muto
Kinzo Koyama
Masaki Muto
Kinzo Koyama