GB1409553A - Pipe seal - Google Patents
Pipe sealInfo
- Publication number
- GB1409553A GB1409553A GB2457272A GB2457272A GB1409553A GB 1409553 A GB1409553 A GB 1409553A GB 2457272 A GB2457272 A GB 2457272A GB 2457272 A GB2457272 A GB 2457272A GB 1409553 A GB1409553 A GB 1409553A
- Authority
- GB
- United Kingdom
- Prior art keywords
- main
- reservoir
- tube
- liquid
- sealant
- 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.)
- Expired
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
- F16L55/18—Appliances for use in repairing pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
1409553 Repairing pipes J MURPHY & SONS Ltd 25 May 1973 [25 May 1972] 24572/72 Heading F2P A method of continuously resealing yam-filled pipe joints in a gas main comprises introducing a perforated feed tube 26 into the main, connecting the tube 26 to a source of sealing liquid in a reservoir 34 attached to the main and allowing the liquid to continuously discharge into the main from the perforations in the tube. Reservoir 34 are sited at spaced intervals along the main preferably at "high" spots and are provided with covers 36 for inspection and topping- up purposes. A pressure equalizing tube 22 is provided in each reservoir which extends from the main to a level above the liquid level in the reservoir so that the sealant feeds by gravity alone. Filters are provided in the outlet assemblies 15. Prior to the fitting of the reservoir the tube(s) 26 may be connected to a pressurized reservoir of sealing liquid (Fig. 2, not shown) to spray sealant into the main to initially seal the joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2457272A GB1409553A (en) | 1972-05-25 | 1972-05-25 | Pipe seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2457272A GB1409553A (en) | 1972-05-25 | 1972-05-25 | Pipe seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1409553A true GB1409553A (en) | 1975-10-08 |
Family
ID=10213751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2457272A Expired GB1409553A (en) | 1972-05-25 | 1972-05-25 | Pipe seal |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1409553A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0308050A1 (en) * | 1987-08-05 | 1989-03-22 | British Gas plc | Device for permitting a first length of previously commissioned main to be extended by connecting a second length of main thereto |
-
1972
- 1972-05-25 GB GB2457272A patent/GB1409553A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0308050A1 (en) * | 1987-08-05 | 1989-03-22 | British Gas plc | Device for permitting a first length of previously commissioned main to be extended by connecting a second length of main thereto |
| US4960155A (en) * | 1987-08-05 | 1990-10-02 | British Gas Plc | Device for permitting a first length of previously commissioned main to be extended by connecting a second length of main thereto |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |