NL42950C - - Google Patents

Info

Publication number
NL42950C
NL42950C NL42950DA NL42950C NL 42950 C NL42950 C NL 42950C NL 42950D A NL42950D A NL 42950DA NL 42950 C NL42950 C NL 42950C
Authority
NL
Netherlands
Application number
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.)
Publication date
Application granted granted Critical
Publication of NL42950C publication Critical patent/NL42950C/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
NL42950D 1934-10-18 NL42950C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA74345D DE620633C (de) 1934-10-18 1934-10-18 Einrichtung zum Vergleich des Zaehlerstandes an dem Hauptmesser im Lieferwerk und anden Verbrauchsmessern fuer Gas, Wasser und Elektrizitaet

Publications (1)

Publication Number Publication Date
NL42950C true NL42950C (no) 1937-11-15

Family

ID=6946131

Family Applications (1)

Application Number Title Priority Date Filing Date
NL42950D NL42950C (no) 1934-10-18

Country Status (2)

Country Link
DE (1) DE620633C (no)
NL (1) NL42950C (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807631A1 (de) * 1978-02-22 1979-08-30 Seba Mess Ortungstech Verfahren zur bestimmung von undichtigkeiten von im erdboden verlegten wasserleitungen
AT374593B (de) * 1978-08-02 1984-05-10 Wien Stadt Verfahren und anordnung zur mengenmaessigen erfassung von wasserverlusten in erdverlegten rohrleitungen
DE2841674C2 (de) * 1978-09-25 1983-09-22 Heide, Gerhard, Dipl.-Ing., 4006 Erkrath Verfahren zur Überprüfung auf Leckverluste sowie dabei verwendbarer Meßschacht
US5267587A (en) * 1992-04-07 1993-12-07 Brown Geoffrey P Utilities shutoff system

Also Published As

Publication number Publication date
DE620633C (de) 1935-10-24

Similar Documents

Publication Publication Date Title
FR767567A (no)
FR767520A (no)
BE350814A (no)
NL42950C (no)
NL40979C (no)
BE411655A (no)
BE410216A (no)
BE408474A (no)
BE403563A (no)
BE403408A (no)
BE403386A (no)
BE403371A (no)
BE403335A (no)
BE403299A (no)
BE403266A (no)
BE403253A (no)
BE402976A (no)
BE402957A (no)
BE402931A (no)
BE402894A (no)
BE402837A (no)
BE402820A (no)
BE402716A (no)
BE402710A (no)
BE402683A (no)