Title:
ダイとともにパンチング金型を構成するパンチ
Document Type and Number:
Japanese Patent JP6388560
Kind Code:
B2
Inventors:
Kenichi Ishikawa
Ebizawa Norimichi
Hashiguchi Tomohisa
Ebizawa Norimichi
Hashiguchi Tomohisa
Application Number:
JP2015129804A
Publication Date:
September 12, 2018
Filing Date:
June 29, 2015
Export Citation:
Assignee:
Showa Seiko Co., Ltd.
International Classes:
B21D28/14; B21D37/20; B26F1/00; B26F1/02; B26F1/14
Domestic Patent References:
| JP1163099U | ||||
| JP6454923U |
Foreign References:
| US6725756 | ||||
| US5992285 | ||||
| US5146832 |
Attorney, Agent or Firm:
Nijiiro Patent Office, a patent business corporation