IL112304A - Method of lining existing pipework - Google Patents
Method of lining existing pipeworkInfo
- Publication number
- IL112304A IL112304A IL112304A IL11230489A IL112304A IL 112304 A IL112304 A IL 112304A IL 112304 A IL112304 A IL 112304A IL 11230489 A IL11230489 A IL 11230489A IL 112304 A IL112304 A IL 112304A
- Authority
- IL
- Israel
- Prior art keywords
- pipework
- liner pipe
- die
- liner
- tension
- Prior art date
Links
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
A method of lining installed pipework which includes the steps of taking a length of liner pipe made from a memory retaining plastics material of external diameter greater than the internal diameter of the pipework to be lined, and using pulling means under tension attached to the leading end of the liner pipe and threaded through the pipework, drawing the liner pipe through a swaging die attached to but spaced from the pipework to reduce the external diameter of the liner pipe, the tension applied by the pulling means being such as partially to restrain the radial expansion of the outer surface of the liner pipe after its emergence from the die, drawing the liner pipe through the installed pipework with its outer diameter reduced to and/or maintained at a dimension less than that of the inner diameter of the pipework and thereafter allowing the liner pipe to expand within the pipework by relaxation of the said tension followed by memory induced expansion at ordinary atmospheric pressure and at the ambient temperature of the pipework, there being a pusher device located within the space between the die and the pipework, the pusher device being adapted to grip the liner pipe emerging from the die to urge the liner pipe towards and through the pipework.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8810894A GB2218486B (en) | 1988-05-09 | 1988-05-09 | Piplines. |
| IL9015289A IL90152A (en) | 1988-05-09 | 1989-05-02 | Method and apparatus for the lining of existing pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL112304A true IL112304A (en) | 1997-03-18 |
Family
ID=26293865
Family Applications (14)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL112336A IL112336A (en) | 1988-05-09 | 1989-05-02 | Method of lining existing pipework |
| IL112245A IL112245A (en) | 1988-05-09 | 1989-05-02 | Method of lining existing pipework |
| IL11976389A IL119763A (en) | 1988-05-09 | 1989-05-02 | Method and apparatus for the lining of existing pipes |
| IL112354A IL112354A (en) | 1988-05-09 | 1989-05-02 | Apparatus for use in lining existing pipework |
| IL112401A IL112401A (en) | 1988-05-09 | 1989-05-02 | Apparatus for use in lining existing pipework |
| IL112304A IL112304A (en) | 1988-05-09 | 1989-05-02 | Method of lining existing pipework |
| IL11224595A IL112245A0 (en) | 1988-05-09 | 1995-01-04 | Method of lining existing pipework |
| IL11230495A IL112304A0 (en) | 1988-05-09 | 1995-01-11 | Method of lining existing pipework |
| IL11233695A IL112336A0 (en) | 1988-05-09 | 1995-01-13 | Method of lining existing pipework |
| IL11235495A IL112354A0 (en) | 1988-05-09 | 1995-01-17 | Apparatus for use in lining existing pipework |
| IL11240195A IL112401A0 (en) | 1988-05-09 | 1995-01-20 | Apparatus for using in lining existing pipework |
| IL11976496A IL119764A0 (en) | 1988-05-09 | 1996-12-05 | Method and apparatus for the lining of existing pipes |
| IL11976396A IL119763A0 (en) | 1988-05-09 | 1996-12-05 | Method and apparatus for the lining of existing pipes |
| IL11976596A IL119765A0 (en) | 1988-05-09 | 1996-12-05 | Method and apparatus for the lining of existing pipes |
Family Applications Before (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL112336A IL112336A (en) | 1988-05-09 | 1989-05-02 | Method of lining existing pipework |
| IL112245A IL112245A (en) | 1988-05-09 | 1989-05-02 | Method of lining existing pipework |
| IL11976389A IL119763A (en) | 1988-05-09 | 1989-05-02 | Method and apparatus for the lining of existing pipes |
| IL112354A IL112354A (en) | 1988-05-09 | 1989-05-02 | Apparatus for use in lining existing pipework |
| IL112401A IL112401A (en) | 1988-05-09 | 1989-05-02 | Apparatus for use in lining existing pipework |
Family Applications After (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL11224595A IL112245A0 (en) | 1988-05-09 | 1995-01-04 | Method of lining existing pipework |
| IL11230495A IL112304A0 (en) | 1988-05-09 | 1995-01-11 | Method of lining existing pipework |
| IL11233695A IL112336A0 (en) | 1988-05-09 | 1995-01-13 | Method of lining existing pipework |
| IL11235495A IL112354A0 (en) | 1988-05-09 | 1995-01-17 | Apparatus for use in lining existing pipework |
| IL11240195A IL112401A0 (en) | 1988-05-09 | 1995-01-20 | Apparatus for using in lining existing pipework |
| IL11976496A IL119764A0 (en) | 1988-05-09 | 1996-12-05 | Method and apparatus for the lining of existing pipes |
| IL11976396A IL119763A0 (en) | 1988-05-09 | 1996-12-05 | Method and apparatus for the lining of existing pipes |
| IL11976596A IL119765A0 (en) | 1988-05-09 | 1996-12-05 | Method and apparatus for the lining of existing pipes |
Country Status (1)
| Country | Link |
|---|---|
| IL (14) | IL112336A (en) |
-
1989
- 1989-05-02 IL IL112336A patent/IL112336A/en not_active IP Right Cessation
- 1989-05-02 IL IL112245A patent/IL112245A/en not_active IP Right Cessation
- 1989-05-02 IL IL11976389A patent/IL119763A/en not_active IP Right Cessation
- 1989-05-02 IL IL112354A patent/IL112354A/en not_active IP Right Cessation
- 1989-05-02 IL IL112401A patent/IL112401A/en not_active IP Right Cessation
- 1989-05-02 IL IL112304A patent/IL112304A/en not_active IP Right Cessation
-
1995
- 1995-01-04 IL IL11224595A patent/IL112245A0/en unknown
- 1995-01-11 IL IL11230495A patent/IL112304A0/en unknown
- 1995-01-13 IL IL11233695A patent/IL112336A0/en unknown
- 1995-01-17 IL IL11235495A patent/IL112354A0/en unknown
- 1995-01-20 IL IL11240195A patent/IL112401A0/en unknown
-
1996
- 1996-12-05 IL IL11976496A patent/IL119764A0/en unknown
- 1996-12-05 IL IL11976396A patent/IL119763A0/en unknown
- 1996-12-05 IL IL11976596A patent/IL119765A0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL112245A (en) | 1997-03-18 |
| IL119763A (en) | 2001-10-31 |
| IL112245A0 (en) | 1995-03-30 |
| IL119764A0 (en) | 1997-03-18 |
| IL112304A0 (en) | 1995-03-30 |
| IL112336A (en) | 1997-03-18 |
| IL119765A0 (en) | 1997-03-18 |
| IL112401A0 (en) | 1995-03-30 |
| IL112401A (en) | 1997-03-18 |
| IL119763A0 (en) | 1997-03-18 |
| IL112354A (en) | 1997-03-18 |
| IL112354A0 (en) | 1995-03-30 |
| IL112336A0 (en) | 1995-03-30 |
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| IL90152A (en) | Method and apparatus for the lining of existing pipes | |
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| IL112304A (en) | Method of lining existing pipework | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |