NL152645B - CLOSURE DEVICE FOR A PIPE FITTED WITH DEVICES FOR DETECTING A LEAK. - Google Patents

CLOSURE DEVICE FOR A PIPE FITTED WITH DEVICES FOR DETECTING A LEAK.

Info

Publication number
NL152645B
NL152645B NL737301786A NL7301786A NL152645B NL 152645 B NL152645 B NL 152645B NL 737301786 A NL737301786 A NL 737301786A NL 7301786 A NL7301786 A NL 7301786A NL 152645 B NL152645 B NL 152645B
Authority
NL
Netherlands
Prior art keywords
leak
detecting
devices
closure device
pipe fitted
Prior art date
Application number
NL737301786A
Other languages
Dutch (nl)
Other versions
NL7301786A (en
Original Assignee
Marvin Henry Grove En Julie Mi
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 US00242125A external-priority patent/US3835695A/en
Application filed by Marvin Henry Grove En Julie Mi filed Critical Marvin Henry Grove En Julie Mi
Publication of NL7301786A publication Critical patent/NL7301786A/xx
Publication of NL152645B publication Critical patent/NL152645B/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
    • G01M3/2876—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 valves
    • 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
    • G01F25/11—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a seal ball or piston in a test loop

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Examining Or Testing Airtightness (AREA)
NL737301786A 1972-04-07 1973-02-08 CLOSURE DEVICE FOR A PIPE FITTED WITH DEVICES FOR DETECTING A LEAK. NL152645B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00242125A US3835695A (en) 1972-01-20 1972-04-07 Meter proving apparatus and method
US27444172A 1972-07-24 1972-07-24

Publications (2)

Publication Number Publication Date
NL7301786A NL7301786A (en) 1973-10-09
NL152645B true NL152645B (en) 1977-03-15

Family

ID=26934846

Family Applications (1)

Application Number Title Priority Date Filing Date
NL737301786A NL152645B (en) 1972-04-07 1973-02-08 CLOSURE DEVICE FOR A PIPE FITTED WITH DEVICES FOR DETECTING A LEAK.

Country Status (7)

Country Link
JP (1) JPS5222555B2 (en)
AU (1) AU449102B2 (en)
CA (1) CA1004092A (en)
FR (1) FR2178861B1 (en)
GB (1) GB1378627A (en)
IT (1) IT990528B (en)
NL (1) NL152645B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525486Y2 (en) * 1974-02-13 1980-06-19
JPS5529159Y2 (en) * 1974-02-20 1980-07-11
JPS52147490A (en) * 1976-06-02 1977-12-07 Showa Tetsukou Kk Gas leak detection mechanism for safety breake valve and the like
JPS56110032A (en) * 1980-02-05 1981-09-01 Nippon Kanken Kogyo Kk Inspecting method for water leakage from buried pipe
JPH0721314B2 (en) * 1986-12-09 1995-03-08 本田技研工業株式会社 Hydraulic transmission for vehicles
JPH0260650U (en) * 1988-10-28 1990-05-07
EP3109473B1 (en) 2015-06-26 2021-03-10 Danfoss A/S Vane cell machine
ES2731358T3 (en) 2015-06-26 2019-11-15 Danfoss As Hydraulic machine layout
ES2922769T3 (en) 2015-06-26 2022-09-20 Danfoss As hydraulic machine
CN108844697B (en) * 2018-07-11 2023-12-19 山东科瑞油气装备有限公司 Double-end mud gun pressure testing tool
CN115307824B (en) * 2022-10-11 2023-01-24 山东旭扬新能源有限公司 Tightness testing device for LED street lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749536A (en) * 1953-09-16 1956-06-05 Sperling Gustav Electrically operated leak detector

Also Published As

Publication number Publication date
CA1004092A (en) 1977-01-25
GB1378627A (en) 1974-12-27
JPS5222555B2 (en) 1977-06-17
FR2178861B1 (en) 1976-05-14
FR2178861A1 (en) 1973-11-16
NL7301786A (en) 1973-10-09
DE2317301A1 (en) 1973-10-18
AU5176373A (en) 1974-06-06
JPS4910785A (en) 1974-01-30
AU449102B2 (en) 1974-06-06
DE2317301B2 (en) 1975-09-04
IT990528B (en) 1975-07-10

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application