FR2012260A1 - - Google Patents

Info

Publication number
FR2012260A1
FR2012260A1 FR6922599A FR6922599A FR2012260A1 FR 2012260 A1 FR2012260 A1 FR 2012260A1 FR 6922599 A FR6922599 A FR 6922599A FR 6922599 A FR6922599 A FR 6922599A FR 2012260 A1 FR2012260 A1 FR 2012260A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6922599A
Other languages
French (fr)
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.)
BP PLC
Original Assignee
BP PLC
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 BP PLC filed Critical BP PLC
Publication of FR2012260A1 publication Critical patent/FR2012260A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/283—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes for double-walled pipes
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/06—Arrangements using an air layer or vacuum
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/06—Arrangements using an air layer or vacuum
    • F16L59/065—Arrangements using an air layer or vacuum using vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Pipeline Systems (AREA)
  • Thermal Insulation (AREA)
FR6922599A 1968-07-03 1969-07-03 Withdrawn FR2012260A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681775073 DE1775073A1 (de) 1968-07-03 1968-07-03 Verfahren zum Schutz von Fernwaermeversorgungs-Rohrleitungen vor Waermeverlusten und Innenkorrosion einer Mantelrohrkonstruktion

Publications (1)

Publication Number Publication Date
FR2012260A1 true FR2012260A1 (enrdf_load_stackoverflow) 1970-03-13

Family

ID=5702365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6922599A Withdrawn FR2012260A1 (enrdf_load_stackoverflow) 1968-07-03 1969-07-03

Country Status (4)

Country Link
BE (1) BE735605A (enrdf_load_stackoverflow)
DE (1) DE1775073A1 (enrdf_load_stackoverflow)
FR (1) FR2012260A1 (enrdf_load_stackoverflow)
NL (1) NL6910016A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435652A1 (fr) * 1978-06-28 1980-04-04 Sofitec Conduite metallique calorifugee et enterree pour le transport de fluides
FR2494848A1 (fr) * 1980-11-24 1982-05-28 Technigaz Procede et dispositif de detection, a distance, de defauts d'etancheite d'une conduite de transport d'un fluide, immergee dans un fluide ambiant; conduite de transport comprenant ce dispositif de detection et procede de construction d'une telle conduite
FR2527302A1 (fr) * 1982-05-20 1983-11-25 Getters Spa Tuyaux de transport de fluides isoles au vide
FR2545186A1 (fr) * 1983-04-27 1984-11-02 Dunlop Ltd Perfectionnements aux tuyaux flexibles
FR2573176A1 (fr) * 1984-11-12 1986-05-16 Marc Guerra Procede pour l'isolation thermique
FR2583853A1 (fr) * 1985-06-25 1986-12-26 Kabelmetal Electro Gmbh Dispositif pour realiser une connexion, un renvoi ou un branchement d'une conduite tubulaire

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2461818C3 (de) * 1974-12-30 1981-09-10 Arnold Dr. Vina Del Mar Keller Verfahren zur Verminderung der Wärmeleitung durch ein unvollständiges Vakuum
CA1302309C (en) * 1987-05-27 1992-06-02 Takefumi Takenakashima Nonfreezing pipe
DE4040400A1 (de) * 1990-12-17 1992-08-13 Aei Ges Fuer Automatik Elektro Waermegedaemmtes kunststoffrohr

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435652A1 (fr) * 1978-06-28 1980-04-04 Sofitec Conduite metallique calorifugee et enterree pour le transport de fluides
FR2494848A1 (fr) * 1980-11-24 1982-05-28 Technigaz Procede et dispositif de detection, a distance, de defauts d'etancheite d'une conduite de transport d'un fluide, immergee dans un fluide ambiant; conduite de transport comprenant ce dispositif de detection et procede de construction d'une telle conduite
EP0053546A1 (fr) * 1980-11-24 1982-06-09 Technigaz Procédé et dispositif de détection, à distance, de défauts d'étanchéité d'une conduite de transport d'un fluide, immergée dans un fluide ambiant
US4450711A (en) * 1980-11-24 1984-05-29 Technigaz Method of and device for remotely detecting leaks in a fluid-conveying pipe-line submerged within an ambient fluid and pipe-line provided with such a detection device
FR2527302A1 (fr) * 1982-05-20 1983-11-25 Getters Spa Tuyaux de transport de fluides isoles au vide
FR2545186A1 (fr) * 1983-04-27 1984-11-02 Dunlop Ltd Perfectionnements aux tuyaux flexibles
FR2573176A1 (fr) * 1984-11-12 1986-05-16 Marc Guerra Procede pour l'isolation thermique
FR2583853A1 (fr) * 1985-06-25 1986-12-26 Kabelmetal Electro Gmbh Dispositif pour realiser une connexion, un renvoi ou un branchement d'une conduite tubulaire

Also Published As

Publication number Publication date
BE735605A (enrdf_load_stackoverflow) 1970-01-05
NL6910016A (enrdf_load_stackoverflow) 1970-01-06
DE1775073A1 (de) 1971-06-03

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Legal Events

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