Title:
既設管の切断除去方法及び既設管用切断装置
Document Type and Number:
Japanese Patent JP4612657
Kind Code:
B2
Inventors:
Masayuki Suzuki
Haruhiko Shimizu
Takuhiro Yamamoto
Haruhiko Shimizu
Takuhiro Yamamoto
Application Number:
JP2007179775A
Publication Date:
January 12, 2011
Filing Date:
July 09, 2007
Export Citation:
Assignee:
Water Supply Technology Development Corporation
International Classes:
F16L55/00; B23B5/12; B23D21/00
Domestic Patent References:
| JP2004286228A | ||||
| JP3265797A | ||||
| JP3272390A | ||||
| JP2001146996A |
Attorney, Agent or Firm:
Shuichiro Kitamura