FR2350540A1 - Underground pipe coated with bituminous enamel - then covered by fibre sheath and outer layer of bitumen - Google Patents

Underground pipe coated with bituminous enamel - then covered by fibre sheath and outer layer of bitumen

Info

Publication number
FR2350540A1
FR2350540A1 FR7613232A FR7613232A FR2350540A1 FR 2350540 A1 FR2350540 A1 FR 2350540A1 FR 7613232 A FR7613232 A FR 7613232A FR 7613232 A FR7613232 A FR 7613232A FR 2350540 A1 FR2350540 A1 FR 2350540A1
Authority
FR
France
Prior art keywords
bitumen
pipe
covered
outer layer
underground pipe
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.)
Granted
Application number
FR7613232A
Other languages
French (fr)
Other versions
FR2350540B1 (en
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.)
Siplast SA
Original Assignee
Siplast SA
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 Siplast SA filed Critical Siplast SA
Priority to FR7613232A priority Critical patent/FR2350540A1/en
Priority to ES449482A priority patent/ES449482A1/en
Publication of FR2350540A1 publication Critical patent/FR2350540A1/en
Application granted granted Critical
Publication of FR2350540B1 publication Critical patent/FR2350540B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • 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
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Protective sheath for passive coatings on pipes, esp. underground pipes with a coating of bituminous enamel or other material, consists of a layer of agglomerated, rot-proof fibres, covered by an outer layer of bitumen except for holes permitting the passage of a cathodic current. The sheath may (a) be located completely round the pipe, (b) be present only on the upper part of the pipe, but extending below the horizontal dia., (C) form one or more layers on the base of a pit in which the pipe is layed, or (d) form a wrapper held in place by binding. The holes are pref. 5-10 mm dia. and staggered round the pipe at intervals of 10 cm along its length. An anti-adhesive layer of powder, e.g. silica or talc, is pref. sprinkled on the bitumen.
FR7613232A 1976-05-04 1976-05-04 Underground pipe coated with bituminous enamel - then covered by fibre sheath and outer layer of bitumen Granted FR2350540A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7613232A FR2350540A1 (en) 1976-05-04 1976-05-04 Underground pipe coated with bituminous enamel - then covered by fibre sheath and outer layer of bitumen
ES449482A ES449482A1 (en) 1976-05-04 1976-06-23 Provision for the protection of the passive covering of underground pipelines. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7613232A FR2350540A1 (en) 1976-05-04 1976-05-04 Underground pipe coated with bituminous enamel - then covered by fibre sheath and outer layer of bitumen

Publications (2)

Publication Number Publication Date
FR2350540A1 true FR2350540A1 (en) 1977-12-02
FR2350540B1 FR2350540B1 (en) 1981-03-27

Family

ID=9172648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7613232A Granted FR2350540A1 (en) 1976-05-04 1976-05-04 Underground pipe coated with bituminous enamel - then covered by fibre sheath and outer layer of bitumen

Country Status (2)

Country Link
ES (1) ES449482A1 (en)
FR (1) FR2350540A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1319107B1 (en) * 2000-09-19 2005-06-29 Hans Schillings Method and semi-finished product for producing prepared roofing for renewing roofs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1319107B1 (en) * 2000-09-19 2005-06-29 Hans Schillings Method and semi-finished product for producing prepared roofing for renewing roofs

Also Published As

Publication number Publication date
ES449482A1 (en) 1977-07-16
FR2350540B1 (en) 1981-03-27

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Legal Events

Date Code Title Description
ST Notification of lapse