JPS52130028A - Leakage detecting - Google Patents
Leakage detectingInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5142581A (en) * | 1974-10-09 | 1976-04-10 | Mitsubishi Heavy Ind Ltd | ROEIKENSAHOHO |
-
1976
- 1976-04-26 JP JP51046487A patent/JPS5831856B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5142581A (en) * | 1974-10-09 | 1976-04-10 | Mitsubishi Heavy Ind Ltd | ROEIKENSAHOHO |
Cited By (5)
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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