ZA886290B - Root repelling pipe joints - Google Patents
Root repelling pipe jointsInfo
- Publication number
- ZA886290B ZA886290B ZA886290A ZA886290A ZA886290B ZA 886290 B ZA886290 B ZA 886290B ZA 886290 A ZA886290 A ZA 886290A ZA 886290 A ZA886290 A ZA 886290A ZA 886290 B ZA886290 B ZA 886290B
- Authority
- ZA
- South Africa
- Prior art keywords
- root
- pipe joints
- repelling
- repelling pipe
- joints
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sealing Material Composition (AREA)
- Gasket Seals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9191887A | 1987-09-01 | 1987-09-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA886290B true ZA886290B (en) | 1989-07-26 |
Family
ID=22230301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA886290A ZA886290B (en) | 1987-09-01 | 1988-08-24 | Root repelling pipe joints |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0395646A1 (xx) |
JP (1) | JPH04502054A (xx) |
CA (1) | CA1323770C (xx) |
WO (1) | WO1989002050A1 (xx) |
ZA (1) | ZA886290B (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004026013B4 (de) * | 2004-05-27 | 2007-05-03 | Theodor Cordes Gmbh & Co Kg | Erdverlegbare Rohrleitung mit Wurzelschutz, und Verfahren zum Verlegen einer Rohrleitung |
JP2006090374A (ja) * | 2004-09-22 | 2006-04-06 | Takiron Co Ltd | 地中管構造 |
FR2961660B1 (fr) * | 2010-06-23 | 2013-02-08 | Berkem Dev | Barriere de protection souple |
WO2013101721A1 (en) * | 2011-12-29 | 2013-07-04 | Firestone Building Products Co., LLC | Root-resistant sealant or tape |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3880176A (en) * | 1971-03-10 | 1975-04-29 | Airrigation Eng | Apparatus for sewer treatment to kill tree roots and other organic growth therewithin |
DE2444821A1 (de) * | 1974-09-19 | 1976-04-08 | Schering Ag | Verwendung von tributylzinnverbindungen als wurzelabweisende mittel in dichtungs- und vergussmassen auf bituminoeser basis |
US4657582A (en) * | 1985-05-30 | 1987-04-14 | Pennwalt Corporation | Polyhydroxy polymer delivery systems |
-
1988
- 1988-08-18 WO PCT/US1988/002858 patent/WO1989002050A1/en not_active Application Discontinuation
- 1988-08-18 EP EP88908017A patent/EP0395646A1/en not_active Ceased
- 1988-08-18 JP JP63507439A patent/JPH04502054A/ja active Pending
- 1988-08-24 ZA ZA886290A patent/ZA886290B/xx unknown
- 1988-08-31 CA CA000576149A patent/CA1323770C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1989002050A1 (en) | 1989-03-09 |
EP0395646A1 (en) | 1990-11-07 |
CA1323770C (en) | 1993-11-02 |
JPH04502054A (ja) | 1992-04-09 |
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