Title:
PIPE REGENERATING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/219938
Kind Code:
A1
Abstract:
A connection implement having elastically deformable claws 32, 33 is fixed to a side plate 103 of one segment 1a. The side plate 103 of one segment 1a and a side plate 102 of another segment 1b are butted against each other, and the claws of the connection implement pass through the side plate of the other segment and protrude into the segment. The claws of the connection implement protruding into the other segment are elastically deformed by a diameter expansion pin 11, and the diameter of the claws 32, 33 are expanded. The side plate of the other segment is pressed against the side plate of the one segment by the claws, of the connection implement, having an expanded diameter, and both segments are connected in the pipe length direction.
Inventors:
KAMIYAMA TAKAO (JP)
ISHIDA MAKOTO (JP)
ISHIDA MAKOTO (JP)
Application Number:
PCT/JP2022/007455
Publication Date:
October 20, 2022
Filing Date:
February 24, 2022
Export Citation:
Assignee:
SHONAN GOSEI JUSHI SEISAKUSHO KK (JP)
International Classes:
E21D11/04; F16L1/00
Foreign References:
| JP2009108484A | 2009-05-21 | |||
| JP2011012803A | 2011-01-20 | |||
| JP2017227255A | 2017-12-28 | |||
| JPS59141699A | 1984-08-14 | |||
| JP2005147371A | 2005-06-09 | |||
| JP2006057666A | 2006-03-02 | |||
| JP2005299711A | 2005-10-27 | |||
| JP2011012803A | 2011-01-20 | |||
| JP2010101390A | 2010-05-06 |
Attorney, Agent or Firm:
HAYAKAWA Yuzi et al. (JP)
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