CA1323770C - Joints de tuyaux anti-racines - Google Patents

Joints de tuyaux anti-racines

Info

Publication number
CA1323770C
CA1323770C CA000576149A CA576149A CA1323770C CA 1323770 C CA1323770 C CA 1323770C CA 000576149 A CA000576149 A CA 000576149A CA 576149 A CA576149 A CA 576149A CA 1323770 C CA1323770 C CA 1323770C
Authority
CA
Canada
Prior art keywords
dinitroaniline
pipe joint
gasket
soil
compound
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 - Fee Related
Application number
CA000576149A
Other languages
English (en)
Inventor
Frederick G. Burton
W. Eugene Skiens
John F. Cline
Dominic A. Cataldo
Peter Van Voris
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pacific Northwest National Laboratory
Original Assignee
Pacific Northwest National Laboratory
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pacific Northwest National Laboratory filed Critical Pacific Northwest National Laboratory
Application granted granted Critical
Publication of CA1323770C publication Critical patent/CA1323770C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
CA000576149A 1987-09-01 1988-08-31 Joints de tuyaux anti-racines Expired - Fee Related CA1323770C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9191887A 1987-09-01 1987-09-01
US091,918 1987-09-01

Publications (1)

Publication Number Publication Date
CA1323770C true CA1323770C (fr) 1993-11-02

Family

ID=22230301

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000576149A Expired - Fee Related CA1323770C (fr) 1987-09-01 1988-08-31 Joints de tuyaux anti-racines

Country Status (5)

Country Link
EP (1) EP0395646A1 (fr)
JP (1) JPH04502054A (fr)
CA (1) CA1323770C (fr)
WO (1) WO1989002050A1 (fr)
ZA (1) ZA886290B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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 (fr) * 2011-12-29 2013-07-04 Firestone Building Products Co., LLC Produit d'étanchéité ou ruban résistant au percement des racines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO1989002050A1 (fr) 1989-03-09
ZA886290B (en) 1989-07-26
EP0395646A1 (fr) 1990-11-07
JPH04502054A (ja) 1992-04-09

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Legal Events

Date Code Title Description
MKLA Lapsed