DK0758437T3 - Method for renewal of buried pipes on site - Google Patents
Method for renewal of buried pipes on siteInfo
- Publication number
- DK0758437T3 DK0758437T3 DK96905785T DK96905785T DK0758437T3 DK 0758437 T3 DK0758437 T3 DK 0758437T3 DK 96905785 T DK96905785 T DK 96905785T DK 96905785 T DK96905785 T DK 96905785T DK 0758437 T3 DK0758437 T3 DK 0758437T3
- Authority
- DK
- Denmark
- Prior art keywords
- pipe
- renew
- new
- old
- existing
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1658—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the old pipe being ruptured prior to insertion of a new pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The method described requires no excavation but uses a soil-displacement technique. It calls for the old pipe to be pushed outwards from the inside in a controlled fashion, working from the existing inspection shafts. The new pipe, e.g. of plastic, is produced in situ, e.g. by injection moulding. The old pipe is widened only by the amount necessary for the walls of the new pipe to be made thick enough to withstand the forces to which it will be subjected. Provided that account is taken of the surroundings of the existing pipe (e.g. the proximity of other pipes, anchorage points, etc.), the method can be used, within limits, to correct deformations in the pipe trajectory. The method can be used both to renew short lengths of pipe (e.g. as part of a repair programme) and also to renew whole networks. One of the advantages of the method is that the internal diameter of the new pipe is at least as great as that of the original pipe, thus preventing the formation of constrictions.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19507702A DE19507702C1 (en) | 1995-03-04 | 1995-03-04 | In=situ pipeline replacement method |
| PCT/EP1996/000753 WO1996027753A1 (en) | 1995-03-04 | 1996-02-23 | In situ method of renewing pipes laid in the ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0758437T3 true DK0758437T3 (en) | 1999-10-25 |
Family
ID=7755709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK96905785T DK0758437T3 (en) | 1995-03-04 | 1996-02-23 | Method for renewal of buried pipes on site |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0758437B1 (en) |
| AT (1) | ATE180885T1 (en) |
| DE (1) | DE19507702C1 (en) |
| DK (1) | DK0758437T3 (en) |
| WO (1) | WO1996027753A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19719309C2 (en) * | 1997-05-09 | 2000-11-16 | Werner Toepler | Extrusion system for the production of pipe and sewer linings |
| DE19947652C1 (en) * | 1999-10-04 | 2001-07-26 | Tracto Technik | Creation of protective sheath when laying cables |
| CN109958881B (en) * | 2017-12-25 | 2021-11-16 | 上海梅山钢铁股份有限公司 | Device and method for solving problem of stable pressure of through-wall pipeline |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3902081C1 (en) * | 1989-01-25 | 1989-07-27 | Hans Brochier Gmbh & Co, 8500 Nuernberg, De | |
| RU2003917C1 (en) * | 1990-02-26 | 1993-11-30 | Институт горного дела СО РАН | Method of replacement of underground pipe-line |
| DE4014775C1 (en) * | 1990-05-09 | 1991-08-01 | Tracto-Technik Paul Schmidt Maschinenfabrik Kg, 5940 Lennestadt, De |
-
1995
- 1995-03-04 DE DE19507702A patent/DE19507702C1/en not_active Expired - Fee Related
-
1996
- 1996-02-23 WO PCT/EP1996/000753 patent/WO1996027753A1/en active IP Right Grant
- 1996-02-23 AT AT96905785T patent/ATE180885T1/en active
- 1996-02-23 EP EP96905785A patent/EP0758437B1/en not_active Expired - Lifetime
- 1996-02-23 DK DK96905785T patent/DK0758437T3/en active
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996027753A1 (en) | 1996-09-12 |
| EP0758437B1 (en) | 1999-06-02 |
| ATE180885T1 (en) | 1999-06-15 |
| EP0758437A1 (en) | 1997-02-19 |
| DE19507702C1 (en) | 1996-04-25 |
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