NL187713C - METHOD AND APPARATUS FOR DETERMINING THE DENSITIES OF GROUNDED WATER-CONDUCTING PIPES - Google Patents

METHOD AND APPARATUS FOR DETERMINING THE DENSITIES OF GROUNDED WATER-CONDUCTING PIPES

Info

Publication number
NL187713C
NL187713C NLAANVRAGE7901425,A NL7901425A NL187713C NL 187713 C NL187713 C NL 187713C NL 7901425 A NL7901425 A NL 7901425A NL 187713 C NL187713 C NL 187713C
Authority
NL
Netherlands
Prior art keywords
densities
determining
conducting pipes
grounded water
grounded
Prior art date
Application number
NLAANVRAGE7901425,A
Other languages
Dutch (nl)
Other versions
NL187713B (en
NL7901425A (en
Original Assignee
Seba Rohrnetz Ueberpruefung
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 Seba Rohrnetz Ueberpruefung filed Critical Seba Rohrnetz Ueberpruefung
Publication of NL7901425A publication Critical patent/NL7901425A/en
Publication of NL187713B publication Critical patent/NL187713B/en
Application granted granted Critical
Publication of NL187713C publication Critical patent/NL187713C/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
NLAANVRAGE7901425,A 1978-02-22 1979-02-22 METHOD AND APPARATUS FOR DETERMINING THE DENSITIES OF GROUNDED WATER-CONDUCTING PIPES NL187713C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782807631 DE2807631A1 (en) 1978-02-22 1978-02-22 PROCEDURE FOR DETERMINING LEAKS IN GROUND WATER PIPES

Publications (3)

Publication Number Publication Date
NL7901425A NL7901425A (en) 1979-08-24
NL187713B NL187713B (en) 1991-07-16
NL187713C true NL187713C (en) 1991-12-16

Family

ID=6032672

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7901425,A NL187713C (en) 1978-02-22 1979-02-22 METHOD AND APPARATUS FOR DETERMINING THE DENSITIES OF GROUNDED WATER-CONDUCTING PIPES

Country Status (13)

Country Link
AT (2) AT371582B (en)
BE (1) BE874318A (en)
DE (1) DE2807631A1 (en)
DK (1) DK72279A (en)
FI (1) FI84939C (en)
FR (1) FR2418455A1 (en)
GB (1) GB2017316B (en)
IT (1) IT1120318B (en)
NL (1) NL187713C (en)
NO (1) NO153750C (en)
PT (1) PT69261A (en)
SE (1) SE451893B (en)
YU (1) YU40053B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3233647A1 (en) * 1982-09-10 1984-03-15 Gerhard Dipl.-Ing. 4006 Erkrath Heide METHOD FOR CHECKING A INTERMITTED PIPE NETWORK FOR LEAK LOSS
FR2658912B1 (en) * 1990-02-26 1994-02-11 Christian Laplaud DEVICE AND METHOD FOR HYDRAULIC NETWORK CONTROL.
AT3027U1 (en) * 1998-07-09 1999-08-25 Heinrich Weingartner METHOD AND DEVICE FOR CHECKING PIPING SYSTEMS
DE202007012649U1 (en) * 2007-09-10 2009-02-12 Alois Pöttinger Maschinenfabrik Gmbh wagon

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1693737A (en) * 1927-06-23 1928-12-04 William S Darley Method and apparatus for locating the point of escape of a fluid from concealed pipes
NL42950C (en) * 1934-10-18 1937-11-15
US3626750A (en) * 1970-01-09 1971-12-14 Us Water Conservation Corp Leak detection in underground water system

Also Published As

Publication number Publication date
FI84939B (en) 1991-10-31
FR2418455B1 (en) 1983-04-29
AT371582B (en) 1983-07-11
ATA495678A (en) 1982-11-15
BE874318A (en) 1979-06-18
IT7903332A0 (en) 1979-02-22
FR2418455A1 (en) 1979-09-21
SE7901443L (en) 1979-08-23
ATA128079A (en) 1985-03-15
NL187713B (en) 1991-07-16
DE2807631A1 (en) 1979-08-30
PT69261A (en) 1979-03-01
IT1120318B (en) 1986-03-19
NO153750C (en) 1986-05-14
NL7901425A (en) 1979-08-24
YU41179A (en) 1983-06-30
GB2017316B (en) 1983-02-02
SE451893B (en) 1987-11-02
YU40053B (en) 1985-06-30
FI84939C (en) 1992-02-10
GB2017316A (en) 1979-10-03
FI790561A (en) 1979-08-23
NO153750B (en) 1986-02-03
DK72279A (en) 1979-08-23
NO790536L (en) 1979-08-23

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: SEBA ROHRNETZ UEBERPRUEFUNGS GMBH & CO. KG

BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee

Effective date: 19950901