PT76289A - Method of lining of pipelines or passageways - Google Patents
Method of lining of pipelines or passagewaysInfo
- Publication number
- PT76289A PT76289A PT7628983A PT7628983A PT76289A PT 76289 A PT76289 A PT 76289A PT 7628983 A PT7628983 A PT 7628983A PT 7628983 A PT7628983 A PT 7628983A PT 76289 A PT76289 A PT 76289A
- Authority
- PT
- Portugal
- Prior art keywords
- lining
- pipe
- tube
- walls
- resin
- Prior art date
Links
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Pipe is lined with a tubular lining having an inner felt layer saturated with curable synthetic resin, which contacts the pipe walls, and an outer impermeable layer. Lining is accomplished by turning the end of the tube back on itself, anchoring it to the end of the pipe, and everting the tube into and along the pipe. The everted portion of the tube is maintained in contact with the pipe walls by introducing pressurised air whilst eversion is assited by applying force to a pull cord or tape which is attached to the remote end of the tubular lining, emerges from the everting face, and extends through the pipe. The eversion process is enhanced by applying a lubricating soap or oil inside the lining tube so that the inward moving portion slips over the already everted portion. The resin is cured by filling the pipe with hot air when lining has been completed. The method can be used to line pipelines, passageways, and sewers. The method uses pressurised air to maintain the everted lining in contact with the walls and is therefore pref. where large quantities of water are not available. The air can be heated when lining has been completed in order to cure the resin of the lining.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT7628983A PT76289B (en) | 1983-02-24 | 1983-02-24 | Method of lining of pipelines or passageways |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT7628983A PT76289B (en) | 1983-02-24 | 1983-02-24 | Method of lining of pipelines or passageways |
Publications (2)
Publication Number | Publication Date |
---|---|
PT76289A true PT76289A (en) | 1983-03-01 |
PT76289B PT76289B (en) | 1986-06-03 |
Family
ID=20083260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT7628983A PT76289B (en) | 1983-02-24 | 1983-02-24 | Method of lining of pipelines or passageways |
Country Status (1)
Country | Link |
---|---|
PT (1) | PT76289B (en) |
-
1983
- 1983-02-24 PT PT7628983A patent/PT76289B/en unknown
Also Published As
Publication number | Publication date |
---|---|
PT76289B (en) | 1986-06-03 |
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