DE1775231B2 - - Google Patents

Info

Publication number
DE1775231B2
DE1775231B2 DE19661775231 DE1775231A DE1775231B2 DE 1775231 B2 DE1775231 B2 DE 1775231B2 DE 19661775231 DE19661775231 DE 19661775231 DE 1775231 A DE1775231 A DE 1775231A DE 1775231 B2 DE1775231 B2 DE 1775231B2
Authority
DE
Germany
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Withdrawn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
DE19661775231
Other versions
DE1775231A1 (de
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
Priority claimed from NL6516719A external-priority patent/NL152083B/xx
Application filed filed Critical
Publication of DE1775231A1 publication Critical patent/DE1775231A1/de
Publication of DE1775231B2 publication Critical patent/DE1775231B2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • 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
    • G01M3/005—Investigating fluid-tightness of structures using pigs or moles
    • 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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • 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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
    • G01M3/246—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes using pigs or probes travelling in the pipe
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • 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
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE19661775231 1965-12-22 1966-12-20 Rohrmolch zur Feststellung und Ortung von Leckstellen in fluessigkeitsdurchstroemten Rohrleitungen Withdrawn DE1775231A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6516719A NL152083B (nl) 1965-12-22 1965-12-22 Inrichting voor het opsporen en lokaliseren van lekken in pijpleidingen.
NL6600966A NL6600966A (de) 1965-12-22 1966-01-26

Publications (2)

Publication Number Publication Date
DE1775231A1 DE1775231A1 (de) 1970-01-22
DE1775231B2 true DE1775231B2 (de) 1971-01-07

Family

ID=26643974

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19661775230 Withdrawn DE1775230B1 (de) 1965-12-22 1966-12-20 Einrichtung zur Lokalisierung und Funktionspruefung eines Rohrmolches
DE19661775231 Withdrawn DE1775231A1 (de) 1965-12-22 1966-12-20 Rohrmolch zur Feststellung und Ortung von Leckstellen in fluessigkeitsdurchstroemten Rohrleitungen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19661775230 Withdrawn DE1775230B1 (de) 1965-12-22 1966-12-20 Einrichtung zur Lokalisierung und Funktionspruefung eines Rohrmolches

Country Status (7)

Country Link
AT (1) AT289425B (de)
CH (1) CH445897A (de)
DE (2) DE1775230B1 (de)
FR (1) FR1505221A (de)
GB (1) GB1174048A (de)
MY (1) MY7000123A (de)
NL (1) NL6600966A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365514A (en) * 1979-04-19 1982-12-28 Bandag Incorporated Method and apparatus for non-destructive inspection of tires
FR2556832B1 (fr) * 1983-12-19 1986-10-10 Couderq Yves Engin subaquatique autonome pour inspecter les canalisations
EP3317658B1 (de) * 2015-07-03 2020-09-02 Kamstrup A/S Trübungssensor auf basis von ultraschallmessungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064127A (en) * 1956-09-12 1962-11-13 Aquatron Engineering Corp Pipe line survey instrument
US3191713A (en) * 1962-10-05 1965-06-29 Aquatron Engineering Corp Survey apparatus

Also Published As

Publication number Publication date
GB1174048A (en) 1969-12-10
AT289425B (de) 1971-04-26
MY7000123A (en) 1970-12-31
NL6600966A (de) 1967-07-27
FR1505221A (fr) 1967-12-08
DE1775231A1 (de) 1970-01-22
DE1775230B1 (de) 1970-08-20
CH445897A (de) 1967-10-31

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee