JPS6319014B2 - - Google Patents

Info

Publication number
JPS6319014B2
JPS6319014B2 JP56079334A JP7933481A JPS6319014B2 JP S6319014 B2 JPS6319014 B2 JP S6319014B2 JP 56079334 A JP56079334 A JP 56079334A JP 7933481 A JP7933481 A JP 7933481A JP S6319014 B2 JPS6319014 B2 JP S6319014B2
Authority
JP
Japan
Prior art keywords
vacuum
vacuum container
heat insulating
insulating layer
heat
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
JP56079334A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57194329A (en
Inventor
Yutaka Ito
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 Ltd
Original Assignee
Hitachi Ltd
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 Ltd filed Critical Hitachi Ltd
Priority to JP7933481A priority Critical patent/JPS57194329A/ja
Publication of JPS57194329A publication Critical patent/JPS57194329A/ja
Publication of JPS6319014B2 publication Critical patent/JPS6319014B2/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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
JP7933481A 1981-05-27 1981-05-27 Vacuum device Granted JPS57194329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7933481A JPS57194329A (en) 1981-05-27 1981-05-27 Vacuum device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7933481A JPS57194329A (en) 1981-05-27 1981-05-27 Vacuum device

Publications (2)

Publication Number Publication Date
JPS57194329A JPS57194329A (en) 1982-11-29
JPS6319014B2 true JPS6319014B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-04-21

Family

ID=13686990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7933481A Granted JPS57194329A (en) 1981-05-27 1981-05-27 Vacuum device

Country Status (1)

Country Link
JP (1) JPS57194329A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60145343U (ja) * 1984-03-09 1985-09-26 日本原子力研究所 真空容器
US6886389B1 (en) * 2003-12-10 2005-05-03 The Boeing Company Systems and methods for detecting and locating leaks in internal pressure vessels
FR2918037B1 (fr) * 2007-06-29 2010-06-11 Sunaero Helitest Procede de maintenance d'un reservoir d'aeronef.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE787966A (fr) * 1971-08-24 1973-02-26 Remington Arms Co Inc Mecanisme de verrouillage pour armes a feu
JPS5235756U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-09-04 1977-03-14

Also Published As

Publication number Publication date
JPS57194329A (en) 1982-11-29

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