JPS56163446A - Method for detecting defect in resin lining part - Google Patents
Method for detecting defect in resin lining partInfo
- Publication number
- JPS56163446A JPS56163446A JP6734480A JP6734480A JPS56163446A JP S56163446 A JPS56163446 A JP S56163446A JP 6734480 A JP6734480 A JP 6734480A JP 6734480 A JP6734480 A JP 6734480A JP S56163446 A JPS56163446 A JP S56163446A
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- lining
- pipe
- wall
- resin lining
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0052—Testing, e.g. testing for the presence of pinholes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/20—Investigating the presence of flaws
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6734480A JPS56163446A (en) | 1980-05-20 | 1980-05-20 | Method for detecting defect in resin lining part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6734480A JPS56163446A (en) | 1980-05-20 | 1980-05-20 | Method for detecting defect in resin lining part |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56163446A true JPS56163446A (en) | 1981-12-16 |
Family
ID=13342303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6734480A Pending JPS56163446A (en) | 1980-05-20 | 1980-05-20 | Method for detecting defect in resin lining part |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56163446A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4912418A (en) * | 1987-06-26 | 1990-03-27 | Pfaudler-Werke Ag | Method and device for detecting the location of a fault within a dielectric layer of an electrically conducting pipe |
-
1980
- 1980-05-20 JP JP6734480A patent/JPS56163446A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4912418A (en) * | 1987-06-26 | 1990-03-27 | Pfaudler-Werke Ag | Method and device for detecting the location of a fault within a dielectric layer of an electrically conducting pipe |
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