Title:
筒部付きフランジ継手の形成方法および筒部付きフランジ継手
Document Type and Number:
Japanese Patent JP5202888
Kind Code:
B2
Inventors:
Etsuo Kosaka
Seiji Shinji
Seiji Shinji
Application Number:
JP2007172613A
Publication Date:
June 05, 2013
Filing Date:
June 29, 2007
Export Citation:
Assignee:
Hirotec Co., Ltd.
International Classes:
B21D51/16; B21D19/08
Domestic Patent References:
| JP2004344968A | ||||
| JP56116244A | ||||
| JP63016527A | ||||
| JP8184393A |
Attorney, Agent or Firm:
Maeda patent office
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura