JPS54106924A - Leak prevention for buride pipe - Google Patents
Leak prevention for buride pipeInfo
- Publication number
- JPS54106924A JPS54106924A JP1454678A JP1454678A JPS54106924A JP S54106924 A JPS54106924 A JP S54106924A JP 1454678 A JP1454678 A JP 1454678A JP 1454678 A JP1454678 A JP 1454678A JP S54106924 A JPS54106924 A JP S54106924A
- Authority
- JP
- Japan
- Prior art keywords
- piping
- tube
- interior wall
- filament
- interior
- 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 filament-reinforced thermosetting resin cylinder closely fitted to the interior wall of a laid piping.
CONSTITUTION: An elestomeric tube 1 is covered with a filament layer 2 impregnated with a thermosetting resin. The covered tube 1 is contracted and inserted in a laid piping 3. After the space between the tube 1 and piping 3 and the interior of the tube 1 are evacuated, pressurized air is fed into the tube 1 so that the tube 1 expands and the filament layer 2 contacts closely the interior wall of the piping 3. The resin is heated above its primary transition temperature to convert the filament layer 2 into a clylinder closely fitted to the interior of the piping 3. Horning and washing of the piping 3 in advance improves adherence of the shaped filament- reinforced resin to the interior wall of the piping 3.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1454678A JPS54106924A (en) | 1978-02-09 | 1978-02-09 | Leak prevention for buride pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1454678A JPS54106924A (en) | 1978-02-09 | 1978-02-09 | Leak prevention for buride pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54106924A true JPS54106924A (en) | 1979-08-22 |
Family
ID=11864143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1454678A Pending JPS54106924A (en) | 1978-02-09 | 1978-02-09 | Leak prevention for buride pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54106924A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4768562A (en) * | 1987-06-15 | 1988-09-06 | Insta-Pipe Research Limited Partnership | Pipe liner |
JPH01279198A (en) * | 1988-04-29 | 1989-11-09 | Tokyo Gas Co Ltd | Method for partly repairing pipe conduit from its internal surface |
US4972880A (en) * | 1987-06-15 | 1990-11-27 | Insta-Pipe Research Limited Partnership | Pipe liner |
US5253956A (en) * | 1992-03-02 | 1993-10-19 | American Pipeline Supply, Corp. | Method of lining branch line |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4961713A (en) * | 1972-10-18 | 1974-06-14 |
-
1978
- 1978-02-09 JP JP1454678A patent/JPS54106924A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4961713A (en) * | 1972-10-18 | 1974-06-14 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4768562A (en) * | 1987-06-15 | 1988-09-06 | Insta-Pipe Research Limited Partnership | Pipe liner |
US4972880A (en) * | 1987-06-15 | 1990-11-27 | Insta-Pipe Research Limited Partnership | Pipe liner |
JPH01279198A (en) * | 1988-04-29 | 1989-11-09 | Tokyo Gas Co Ltd | Method for partly repairing pipe conduit from its internal surface |
US5253956A (en) * | 1992-03-02 | 1993-10-19 | American Pipeline Supply, Corp. | Method of lining branch line |
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