FI770973A - - Google Patents

Info

Publication number
FI770973A
FI770973A FI770973A FI770973A FI770973A FI 770973 A FI770973 A FI 770973A FI 770973 A FI770973 A FI 770973A FI 770973 A FI770973 A FI 770973A FI 770973 A FI770973 A FI 770973A
Authority
FI
Finland
Application number
FI770973A
Inventor
Erwin Muendel
Original Assignee
Erwin Muendel
Petersen Leif Tage
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 Erwin Muendel, Petersen Leif Tage filed Critical Erwin Muendel
Publication of FI770973A publication Critical patent/FI770973A/fi

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
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
FI770973A 1976-03-31 1977-03-29 FI770973A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7603840A SE397883B (sv) 1976-03-31 1976-03-31 Anordning for att indikera gasleckor eller forefintlighet av gas

Publications (1)

Publication Number Publication Date
FI770973A true FI770973A (fi) 1977-10-01

Family

ID=20327445

Family Applications (1)

Application Number Title Priority Date Filing Date
FI770973A FI770973A (fi) 1976-03-31 1977-03-29

Country Status (4)

Country Link
US (1) US4147907A (fi)
DE (1) DE2713792A1 (fi)
FI (1) FI770973A (fi)
SE (1) SE397883B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2681124A1 (fr) * 1991-09-06 1993-03-12 Oster Jean Pierre Dispositif de detection de fuites sur ouvrages enterres de stockage ou de transport par canalisation d'acide sulfurique.
EP3587759A1 (en) * 2018-06-27 2020-01-01 Continental Automotive GmbH Method and gas fuse for detecting a corrosive gas
CN110657353B (zh) * 2019-10-09 2021-03-30 重庆花想容信息科技有限公司 热电厂水化车间事故应急装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191515094A (en) * 1915-10-26 1916-10-26 Thomas John Thomas Attachment for Miners' Electric Safety Lamps for Detecting Firedamp and other Combustible Gases.
US1281329A (en) * 1917-07-31 1918-10-15 Flannery Bolt Co Stay-bolt structure for boilers.
US1271865A (en) * 1917-10-25 1918-07-09 Flannery Bolt Co Stay-bolt structure.
US2306509A (en) * 1939-10-02 1942-12-29 Talmey Paul Gas detector
US3407123A (en) * 1964-05-29 1968-10-22 Sylvania Electric Prod Electric lamps and method of detecting leaks in such lamps
US3721898A (en) * 1968-12-04 1973-03-20 P Dragoumis Apparatus for detecting leakage from or rupture of pipes and other vessels containing fluid under pressure
US3721970A (en) * 1971-10-06 1973-03-20 Atomic Energy Commission Alkali metal leak detector
US3753257A (en) * 1972-02-28 1973-08-14 Atlantic Richfield Co Well monitoring for production of solids
US3882382A (en) * 1972-09-07 1975-05-06 Transco Inc Insulated conduit cover and leak detector

Also Published As

Publication number Publication date
SE7603840L (sv) 1977-10-01
DE2713792A1 (de) 1977-10-13
SE397883B (sv) 1977-11-21
US4147907A (en) 1979-04-03

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: PETERSEN, LEIF TAGE

Owner name: MUENDEL, ERWIN