JPS6223804B2 - - Google Patents

Info

Publication number
JPS6223804B2
JPS6223804B2 JP10281680A JP10281680A JPS6223804B2 JP S6223804 B2 JPS6223804 B2 JP S6223804B2 JP 10281680 A JP10281680 A JP 10281680A JP 10281680 A JP10281680 A JP 10281680A JP S6223804 B2 JPS6223804 B2 JP S6223804B2
Authority
JP
Japan
Prior art keywords
signal
lid
detected
internal pressure
frequency
Prior art date
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.)
Expired
Application number
JP10281680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58131531A (ja
Inventor
Yoshimasa Mizoguchi
Kozo Ooba
Mikihiko Hamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP10281680A priority Critical patent/JPS58131531A/ja
Publication of JPS58131531A publication Critical patent/JPS58131531A/ja
Publication of JPS6223804B2 publication Critical patent/JPS6223804B2/ja
Granted legal-status Critical Current

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
    • G01M3/36—Investigating fluid-tightness of structures by using fluid or vacuum by detecting change in dimensions of the structure being tested

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Examining Or Testing Airtightness (AREA)
JP10281680A 1980-07-25 1980-07-25 密封容器の内圧検査方法 Granted JPS58131531A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10281680A JPS58131531A (ja) 1980-07-25 1980-07-25 密封容器の内圧検査方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10281680A JPS58131531A (ja) 1980-07-25 1980-07-25 密封容器の内圧検査方法

Publications (2)

Publication Number Publication Date
JPS58131531A JPS58131531A (ja) 1983-08-05
JPS6223804B2 true JPS6223804B2 (de) 1987-05-25

Family

ID=14337548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10281680A Granted JPS58131531A (ja) 1980-07-25 1980-07-25 密封容器の内圧検査方法

Country Status (1)

Country Link
JP (1) JPS58131531A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113607418A (zh) * 2021-07-05 2021-11-05 东风柳州汽车有限公司 一种发动机罩盖的防错检测装置

Also Published As

Publication number Publication date
JPS58131531A (ja) 1983-08-05

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