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Patent Searching and Data


Title:
METHOD FOR REGENERATING EXISTING PIPES
Document Type and Number:
WIPO Patent Application WO/2016/088168
Kind Code:
A1
Abstract:
Protruding sections (44) of male connecting pins (40) fixed on one side plate (103) of a segment (1a) are fitted into fitting sections (25) of female connecting pins (20) fixed between the other side plate (102) and the adjacent side plate (106) of a segment (1b) that is to be connected to the first segment. Each segment is successively connected in the pipe length direction so that the respective side plates (102, 103) of the various segments abut against each other to assemble a regenerated pipe inside an existing pipe. In the fitting sections (25) of the female connecting pins (20), multiple locking parts (24) that allow the male connecting pins (40) to move in the insertion direction but prohibit movement thereof in the direction opposite to the insertion direction are formed. When the male connecting pins (40) are inserted and fitted into the female connecting pins (20), the male connecting pins lock with one of the locking parts (24), making movement in the reverse direction impossible and connecting the various segments securely in the pipe length direction.

Inventors:
KAMIYAMA TAKAO (JP)
ISHIDA MAKOTO (JP)
Application Number:
PCT/JP2014/081740
Publication Date:
June 09, 2016
Filing Date:
December 01, 2014
Export Citation:
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Assignee:
SHONAN GOSEI JUSHI SEISAKUSHO (JP)
International Classes:
F16L1/00
Foreign References:
JP2011012803A2011-01-20
JP2008121199A2008-05-29
JPS4727119U1972-11-28
JP2007154568A2007-06-21
JPH10115190A1998-05-06
JP2013185353A2013-09-19
US20030183290A12003-10-02
Attorney, Agent or Firm:
HAYAKAWA, Yuzi et al. (JP)
Yuji Hayakawa (JP)
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