JPS52130028A - Leakage detecting - Google Patents

Leakage detecting

Info

Publication number
JPS52130028A
JPS52130028A JP4648776A JP4648776A JPS52130028A JP S52130028 A JPS52130028 A JP S52130028A JP 4648776 A JP4648776 A JP 4648776A JP 4648776 A JP4648776 A JP 4648776A JP S52130028 A JPS52130028 A JP S52130028A
Authority
JP
Japan
Prior art keywords
leakage detecting
responding layer
contacting
detects
setting
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.)
Granted
Application number
JP4648776A
Other languages
Japanese (ja)
Other versions
JPS5831856B2 (en
Inventor
Masato Yamamoto
Nobutaka Maeda
Yoshito Yamaguchi
Michiaki Hida
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.)
Taiho Kogyo Co Ltd
Mitsubishi Heavy Industries Ltd
Original Assignee
Taiho Kogyo Co Ltd
Mitsubishi Heavy Industries 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 Taiho Kogyo Co Ltd, Mitsubishi Heavy Industries Ltd filed Critical Taiho Kogyo Co Ltd
Priority to JP51046487A priority Critical patent/JPS5831856B2/en
Publication of JPS52130028A publication Critical patent/JPS52130028A/en
Publication of JPS5831856B2 publication Critical patent/JPS5831856B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PURPOSE: To present an easy treating and operation leakage detecting method that detects by the color change of a responding layer, by setting the responding layer to the single surface of the detected part (Mainly weld parts) of a detected body, and by contacting a containing material containing a reacting agent to the other surface.
COPYRIGHT: (C)1977,JPO&Japio
JP51046487A 1976-04-26 1976-04-26 Leak detection method Expired JPS5831856B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51046487A JPS5831856B2 (en) 1976-04-26 1976-04-26 Leak detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51046487A JPS5831856B2 (en) 1976-04-26 1976-04-26 Leak detection method

Publications (2)

Publication Number Publication Date
JPS52130028A true JPS52130028A (en) 1977-11-01
JPS5831856B2 JPS5831856B2 (en) 1983-07-08

Family

ID=12748557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51046487A Expired JPS5831856B2 (en) 1976-04-26 1976-04-26 Leak detection method

Country Status (1)

Country Link
JP (1) JPS5831856B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57101737A (en) * 1980-12-18 1982-06-24 Taihoo Kogyo Kk Method for checking leakage
JPS5879241U (en) * 1981-11-24 1983-05-28 三井液化ガス株式会社 Detection sheet for pinholes, etc.
GB2578525A (en) * 2018-10-08 2020-05-13 Boeing Co Methods and systems for detecting leakage in a thermal protection apparatus using a liquid crystal sheet

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142581A (en) * 1974-10-09 1976-04-10 Mitsubishi Heavy Ind Ltd ROEIKENSAHOHO

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142581A (en) * 1974-10-09 1976-04-10 Mitsubishi Heavy Ind Ltd ROEIKENSAHOHO

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57101737A (en) * 1980-12-18 1982-06-24 Taihoo Kogyo Kk Method for checking leakage
JPS5879241U (en) * 1981-11-24 1983-05-28 三井液化ガス株式会社 Detection sheet for pinholes, etc.
GB2578525A (en) * 2018-10-08 2020-05-13 Boeing Co Methods and systems for detecting leakage in a thermal protection apparatus using a liquid crystal sheet
US10890504B2 (en) 2018-10-08 2021-01-12 The Boeing Company Methods and systems for detecting leakage in a thermal protection apparatus using a liquid crystal sheet
GB2578525B (en) * 2018-10-08 2021-05-26 Boeing Co Methods and systems for detecting leakage in a thermal protection apparatus using a liquid crystal sheet

Also Published As

Publication number Publication date
JPS5831856B2 (en) 1983-07-08

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