JPS4889757A - - Google Patents
Info
- Publication number
- JPS4889757A JPS4889757A JP47019122A JP1912272A JPS4889757A JP S4889757 A JPS4889757 A JP S4889757A JP 47019122 A JP47019122 A JP 47019122A JP 1912272 A JP1912272 A JP 1912272A JP S4889757 A JPS4889757 A JP S4889757A
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Pending
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
- G01M3/32—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 containers, e.g. radiators
- G01M3/3281—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 containers, e.g. radiators removably mounted in a test cell
- G01M3/329—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 containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
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- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/006—Testing apparatus for complete clockworks with regard to external influences or general good working
- G04D7/007—Testing apparatus for complete clockworks with regard to external influences or general good working with regard to the sealing of the case
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47019122A JPS4889757A (ja) | 1972-02-24 | 1972-02-24 | |
US00260742A US3839900A (en) | 1972-02-24 | 1972-06-08 | Air leakage detector |
IT2758372A IT974631B (it) | 1971-08-07 | 1972-07-28 | Metodo per rilevare la tenuta erme tica di oggetti e dispositivo per la sua realizzazione |
FR7228080A FR2148466A1 (ja) | 1971-08-07 | 1972-08-03 | |
DE19722238392 DE2238392A1 (de) | 1971-08-07 | 1972-08-04 | Vorrichtung zur auffindung von undichtigkeiten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47019122A JPS4889757A (ja) | 1972-02-24 | 1972-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4889757A true JPS4889757A (ja) | 1973-11-22 |
Family
ID=11990650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47019122A Pending JPS4889757A (ja) | 1971-08-07 | 1972-02-24 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3839900A (ja) |
JP (1) | JPS4889757A (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5436784A (en) * | 1977-08-26 | 1979-03-17 | Cosmo Instr Co Ltd | Gas leakage detector |
JPS5832453U (ja) * | 1981-08-26 | 1983-03-03 | 株式会社コスモ計器 | 差圧式漏れ検査装置 |
JPS59192935A (ja) * | 1983-03-16 | 1984-11-01 | Kobe Steel Ltd | 管の漏れ検出装置 |
JPS63208720A (ja) * | 1987-02-25 | 1988-08-30 | Cosmo Keiki:Kk | 容積測定装置及びその測定方法 |
JPS63223529A (ja) * | 1987-03-13 | 1988-09-19 | Cosmo Keiki:Kk | 容積測定装置及びその測定方法 |
JPH08271372A (ja) * | 1995-03-22 | 1996-10-18 | British Gas Plc | パイプの漏れをテストする方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4033175A (en) * | 1975-09-22 | 1977-07-05 | Mitutoyo Manufacturing Co., Ltd. | Gas leakage measuring device |
US4181008A (en) * | 1978-05-18 | 1980-01-01 | Westinghouse Electric Corp. | Method of assuring nuclear fuel rod pressurization during manufacture |
SE418649B (sv) * | 1979-10-30 | 1981-06-15 | Nolek System Ab | Sett vid tetkontroll av en provvolym genom paleggning av ett visst gastryck, vars forendring i tiden metes genom differentialtryckmetning i forhallande till en referensvolym |
SE419133B (sv) * | 1979-12-06 | 1981-07-13 | Nolek System Ab | Sett och anordning for tetkontroll av storre kerl |
WO1982001590A1 (en) * | 1980-10-24 | 1982-05-13 | Bergstrand Gunnar | Method and device for tightness testing of a test object having at least two separate chambers |
SE427508B (sv) * | 1981-08-24 | 1983-04-11 | Naf Ab | Forfarande for instellning av en pid-regulator for en process |
ATE35575T1 (de) * | 1983-03-18 | 1988-07-15 | Cosmo Instr Co Ltd | Auf druckaenderung ansprechende leckpruefeinrichtung. |
US4686638A (en) * | 1983-11-04 | 1987-08-11 | Kabushiki Kaisha Kosumo Keiki | Leakage inspection method with object type compensation |
US4993256A (en) * | 1988-04-20 | 1991-02-19 | Kabushiki Kaisha Fukuda | Leakage test method and apparatus |
DE3930551A1 (de) * | 1989-08-09 | 1991-02-14 | Egm Entwicklung Montage | Verfahren und pruefsystem zur kontrolle eines fertigungsproduktes auf seine eigenschaften bezueglich eines druckmittels |
CH688424A5 (de) * | 1994-04-13 | 1997-09-15 | Witschi Electronic Ag | Verfahren und Vorrichtung zur Dichtigkeitspruefung von Gehaeusen. |
TWI543636B (zh) * | 2014-06-20 | 2016-07-21 | 致伸科技股份有限公司 | 密封式揚聲器漏氣測試系統及方法 |
US11041779B1 (en) | 2018-09-11 | 2021-06-22 | Synapse Wireless, Inc. | Systems and methods for detecting leaks in a compressed gas system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3028750A (en) * | 1958-07-07 | 1962-04-10 | American Meter Co | Leak tester |
US3355932A (en) * | 1965-09-13 | 1967-12-05 | Edward J Mulligan | Method and apparatus for testing waterproof watches |
-
1972
- 1972-02-24 JP JP47019122A patent/JPS4889757A/ja active Pending
- 1972-06-08 US US00260742A patent/US3839900A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5436784A (en) * | 1977-08-26 | 1979-03-17 | Cosmo Instr Co Ltd | Gas leakage detector |
JPS5832453U (ja) * | 1981-08-26 | 1983-03-03 | 株式会社コスモ計器 | 差圧式漏れ検査装置 |
JPS59192935A (ja) * | 1983-03-16 | 1984-11-01 | Kobe Steel Ltd | 管の漏れ検出装置 |
JPS63208720A (ja) * | 1987-02-25 | 1988-08-30 | Cosmo Keiki:Kk | 容積測定装置及びその測定方法 |
JPS63223529A (ja) * | 1987-03-13 | 1988-09-19 | Cosmo Keiki:Kk | 容積測定装置及びその測定方法 |
JPH08271372A (ja) * | 1995-03-22 | 1996-10-18 | British Gas Plc | パイプの漏れをテストする方法 |
Also Published As
Publication number | Publication date |
---|---|
US3839900A (en) | 1974-10-08 |