Title:
既設管更生方法
Document Type and Number:
Japanese Patent JP6956016
Kind Code:
B2
Abstract:
To improve adhesion strength of an adhesive agent injected between an existing pipe and a regeneration pipe in an existing pipe regeneration method.SOLUTION: In a regeneration method of an existing pipe 2, following processes are successively executed, that is, a lining process for lining a resin regeneration pipe 3 on an inner side of the existing pipe 2 while expanding its diameter, here, a tube 10 is inserted between the existing pipe 2 and the regeneration pipe 3 in the lining process, a sealing process for sealing the whole periphery between a pipe end 2a of the existing pipe 2 and the regeneration pipe 3 by a cut-off material 20, an adhesive primer injection process for injecting an adhesive primer between the existing pipe 2 and the regeneration pipe 3 through the tube 10, and an adhesive agent injection process for injecting an adhesive agent between the existing pipe 2 and the regeneration pipe 3 through the tube 10.SELECTED DRAWING: Figure 4
Inventors:
Terao Takeshi
Application Number:
JP2018004700A
Publication Date:
October 27, 2021
Filing Date:
January 16, 2018
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
F16L1/00; B29C63/34; E03F3/06; E03F7/00; F16L55/163; F16L55/165
Domestic Patent References:
| JP2004069053A | ||||
| JP2001087706A | ||||
| JP63053380A | ||||
| JP55031473A | ||||
| JP6725350B2 |
Attorney, Agent or Firm:
Noboru Watanabe
Harada Sanjugi
Tetsumi Aono
Harada Sanjugi
Tetsumi Aono