Title:
内面溝付管及びその製造装置並びにその製造方法
Document Type and Number:
Japanese Patent JP4511797
Kind Code:
B2
Inventors:
Nobuaki Hinako
Saeki main tax
Hideki Iwamoto
Tomoyuki Tateyama
Saeki main tax
Hideki Iwamoto
Tomoyuki Tateyama
Application Number:
JP2003024310A
Publication Date:
July 28, 2010
Filing Date:
January 31, 2003
Export Citation:
Assignee:
Kobelco Material Copper Tube Co., Ltd.
International Classes:
B21C1/22; F16L9/06; B21C1/00; B21C3/08; B21C3/16; B21C37/20; B21D17/00; B21D17/04; B21D53/06; F28F1/40
Domestic Patent References:
| JP2002243384A | ||||
| JP3219811B2 |
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada
Tetsuo Tomita
Etsuo Tada
Tetsuo Tomita