JPS54106925A - Leak prevention for buried pipe - Google Patents
Leak prevention for buried pipeInfo
- Publication number
- JPS54106925A JPS54106925A JP1454778A JP1454778A JPS54106925A JP S54106925 A JPS54106925 A JP S54106925A JP 1454778 A JP1454778 A JP 1454778A JP 1454778 A JP1454778 A JP 1454778A JP S54106925 A JPS54106925 A JP S54106925A
- Authority
- JP
- Japan
- Prior art keywords
- piping
- interior wall
- resin
- tube
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Pipe Accessories (AREA)
Abstract
PURPOSE: To reinforce the interior wall of a piping in situ and thereby to prevent leakage, by forming a cylinder of cross-linked thermosetting resin closely fitted to the interior wall of a laid piping.
CONSTITUTION: A elastomeric tube 1 made of rubber, elastic plastic, or the like is covered with a resin layer 2 preformed in a cylinder shape. The tube 1 is contracted and inserted in a laid piping 3, thereafter pressurized air is fed into tube 1 so that the tube 1 expands and the resin layer 2 contact closely the interior wall of the piping 3. The resin is heated above its primary transistion temperature to set the resin cylinder closely fitted to the interior wall of the piping 3. The adhesion between the resin cylinder and the interior wall of the piping 3 is ensured by a primer which has been either applied on the surfaces θ treated resin cylinder or applied on the surface- treated (e.g. by horning) interior wall of the piping 3. When the elastomeric tube 1 is to be left in situ after work, an adhesive layer consisting of a primer is formed in advance between the resin cylinder and the tube 1.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1454778A JPS54106925A (en) | 1978-02-09 | 1978-02-09 | Leak prevention for buried pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1454778A JPS54106925A (en) | 1978-02-09 | 1978-02-09 | Leak prevention for buried pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54106925A true JPS54106925A (en) | 1979-08-22 |
Family
ID=11864169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1454778A Pending JPS54106925A (en) | 1978-02-09 | 1978-02-09 | Leak prevention for buried pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54106925A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446891A (en) * | 1980-11-04 | 1984-05-08 | Gebelius Sven Runo Vilhelm | Method for repairing and/or reinforcing a pipe system, and a device for utilization of the method |
US6089275A (en) * | 1986-03-31 | 2000-07-18 | Ina Acquisition Corp. | Replacement pipe for installation in an existing conduit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4961713A (en) * | 1972-10-18 | 1974-06-14 |
-
1978
- 1978-02-09 JP JP1454778A patent/JPS54106925A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4961713A (en) * | 1972-10-18 | 1974-06-14 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446891A (en) * | 1980-11-04 | 1984-05-08 | Gebelius Sven Runo Vilhelm | Method for repairing and/or reinforcing a pipe system, and a device for utilization of the method |
US6089275A (en) * | 1986-03-31 | 2000-07-18 | Ina Acquisition Corp. | Replacement pipe for installation in an existing conduit |
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