BE444934A - - Google Patents

Info

Publication number
BE444934A
BE444934A BE444934DA BE444934A BE 444934 A BE444934 A BE 444934A BE 444934D A BE444934D A BE 444934DA BE 444934 A BE444934 A BE 444934A
Authority
BE
Belgium
Prior art keywords
membrane
weight
application
pressure
vibrations
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE444934A publication Critical patent/BE444934A/fr

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
    • G01M3/04—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
BE444934D BE444934A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE444934T

Publications (1)

Publication Number Publication Date
BE444934A true BE444934A (cs)

Family

ID=3869722

Family Applications (2)

Application Number Title Priority Date Filing Date
BE444934D BE444934A (cs)
BE449559D BE449559A (cs)

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE449559D BE449559A (cs)

Country Status (1)

Country Link
BE (2) BE449559A (cs)

Also Published As

Publication number Publication date
BE449559A (cs)

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