Title:
フィン内蔵管の製造方法及び製造装置
Document Type and Number:
Japanese Patent JP6502912
Kind Code:
B2
Inventors:
Hiroyuki Ono
Application Number:
JP2016220485A
Publication Date:
April 17, 2019
Filing Date:
November 11, 2016
Export Citation:
Assignee:
Calsonic Kansei Co., Ltd.
International Classes:
F28F1/40; B21D7/024; B21D9/04; B21D53/08; F16L53/75
Domestic Patent References:
| JP50049762U | ||||
| JP2011027285A | ||||
| JP60159861U | ||||
| JP7033416U | ||||
| JP2004528480A | ||||
| JP2010144970A | ||||
| JP2002318083A | ||||
| JP63005277U | ||||
| JP61063580U |
Foreign References:
| GB1028000A |
Attorney, Agent or Firm:
Goto Patent Office
Masaki Goto
Masaaki Iida
Masaki Goto
Masaaki Iida