CH642807GA3 - - Google Patents

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Publication number
CH642807GA3
CH642807GA3 CH231882A CH231882A CH642807GA3 CH 642807G A3 CH642807G A3 CH 642807GA3 CH 231882 A CH231882 A CH 231882A CH 231882 A CH231882 A CH 231882A CH 642807G A3 CH642807G A3 CH 642807GA3
Authority
CH
Switzerland
Prior art keywords
delta
test
permissible
result
value
Prior art date
Application number
CH231882A
Other languages
English (en)
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 filed Critical
Priority to CH231882A priority Critical patent/CH642807GA3/de
Priority to DE19833312963 priority patent/DE3312963A1/de
Publication of CH642807GA3 publication Critical patent/CH642807GA3/de

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Classifications

    • 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
    • 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
    • G01M3/36—Investigating fluid-tightness of structures by using fluid or vacuum by detecting change in dimensions of the structure being tested
    • G01M3/363—Investigating fluid-tightness of structures by using fluid or vacuum by detecting change in dimensions of the structure being tested the structure being removably mounted in a test cell

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measuring Fluid Pressure (AREA)
  • Electric Clocks (AREA)
CH231882A 1982-04-16 1982-04-16 CH642807GA3 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH231882A CH642807GA3 (de) 1982-04-16 1982-04-16
DE19833312963 DE3312963A1 (de) 1982-04-16 1983-04-11 Verfahren zum betrieb einer einrichtung zum pruefen der dichtheit von uhren und anderen hohlkoerpern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH231882A CH642807GA3 (de) 1982-04-16 1982-04-16

Publications (1)

Publication Number Publication Date
CH642807GA3 true CH642807GA3 (de) 1984-05-15

Family

ID=4231000

Family Applications (1)

Application Number Title Priority Date Filing Date
CH231882A CH642807GA3 (de) 1982-04-16 1982-04-16

Country Status (2)

Country Link
CH (1) CH642807GA3 (de)
DE (1) DE3312963A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3707197A1 (de) * 1987-03-04 1988-09-15 Siemens Ag Verfahren zur dichtigkeitspruefung von in einem gasdicht verschlossenen gehaeuse untergebrachten elektrischen geraeten, insbesondere ueberspannungsableiter
US4899574A (en) * 1989-02-01 1990-02-13 The Mead Corporation Method and apparatus for detecting leaks in a sealed container
DE3936163A1 (de) * 1989-10-31 1991-05-02 Fraunhofer Ges Forschung Verfahren und vorrichtung zur messung der dichtigkeit hermetisch abgeschlossener behaelter
DE4017693C2 (de) * 1990-06-01 1995-11-16 Martin Lehmann Leckageprüfung
CH683737B5 (de) * 1992-07-14 1994-11-15 Witschi Electronic Ag Verfahren zur Prüfung von Gehäusen.
CH684863B5 (de) * 1993-04-14 1995-07-31 Witschi Electronic Ag Verfahren und Einrichtung zur Prüfung der Wasserdichtigkeit von Gehäusen.
CH684730B5 (de) * 1993-04-20 1995-06-15 Witschi Electronic Ag Verfahren zur Feststellung der minimal benötigten Messzeit bei Dichtigkeitsprüfung von Gehäusen sowie eine Anwendung des Verfahrens.

Also Published As

Publication number Publication date
DE3312963A1 (de) 1983-10-27

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