NL6910016A - - Google Patents

Info

Publication number
NL6910016A
NL6910016A NL6910016A NL6910016A NL6910016A NL 6910016 A NL6910016 A NL 6910016A NL 6910016 A NL6910016 A NL 6910016A NL 6910016 A NL6910016 A NL 6910016A NL 6910016 A NL6910016 A NL 6910016A
Authority
NL
Netherlands
Application number
NL6910016A
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 filed Critical
Publication of NL6910016A publication Critical patent/NL6910016A/xx

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)
NL6910016A 1968-07-03 1969-06-30 NL6910016A (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
NL6910016A true NL6910016A (enrdf_load_stackoverflow) 1970-01-06

Family

ID=5702365

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6910016A NL6910016A (enrdf_load_stackoverflow) 1968-07-03 1969-06-30

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)

Families Citing this family (9)

* 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
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
IT1201945B (it) * 1982-05-20 1989-02-02 Getters Spa Tubazione per il trasporto di fluidi isolata a vuoto e metodo per la sua produzione
GB8311473D0 (en) * 1983-04-27 1983-06-02 Dunlop Ltd Flexible hose
FR2573176A1 (fr) * 1984-11-12 1986-05-16 Marc Guerra Procede pour l'isolation thermique
DE3522693A1 (de) * 1985-06-25 1987-01-08 Kabelmetal Electro Gmbh Anordnung zum verbinden, umlenken, bzw. abzweigen einer rohrleitung
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

Also Published As

Publication number Publication date
BE735605A (enrdf_load_stackoverflow) 1970-01-05
DE1775073A1 (de) 1971-06-03
FR2012260A1 (enrdf_load_stackoverflow) 1970-03-13

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