Title:
パイプ、管等の筒状ワークの周壁に貫通孔を穿設する加工器具
Document Type and Number:
Japanese Patent JP6498619
Kind Code:
B2
More Like This:
Inventors:
Shiba Seizo
Application Number:
JP2016031401A
Publication Date:
April 10, 2019
Filing Date:
February 22, 2016
Export Citation:
Assignee:
Shiba Mold Co., Ltd.
Chubu Slitter Co., Ltd.
Chubu Slitter Co., Ltd.
International Classes:
B21D28/28; B21D26/035
Domestic Patent References:
| JP6168524B2 | ||||
| JP9314240A | ||||
| JP2002035852A | ||||
| JP59229236A | ||||
| JP5220524A |
Foreign References:
| US8978431 | ||||
| US5419171 |
Attorney, Agent or Firm:
High Shinichi Ara
Motoi Eguchi
Motoi Eguchi