NL6914449A - - Google Patents
Info
- Publication number
- NL6914449A NL6914449A NL6914449A NL6914449A NL6914449A NL 6914449 A NL6914449 A NL 6914449A NL 6914449 A NL6914449 A NL 6914449A NL 6914449 A NL6914449 A NL 6914449A NL 6914449 A NL6914449 A NL 6914449A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
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- 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
- G01M3/005—Investigating fluid-tightness of structures using pigs or moles
-
- 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
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9093—Arrangements for supporting the sensor; Combinations of eddy-current sensors and auxiliary arrangements for marking or for rejecting
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76157268A | 1968-09-23 | 1968-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6914449A true NL6914449A (en) | 1970-03-25 |
Family
ID=25062621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6914449A NL6914449A (en) | 1968-09-23 | 1969-09-23 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1948134A1 (en) |
| FR (1) | FR2018637A1 (en) |
| NL (1) | NL6914449A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940689A (en) * | 1974-05-14 | 1976-02-24 | Schlumberger Technology Corporation | Combined eddy current and leakage field detector for well bore piping using a unique magnetizer core structure |
| FR2423714A1 (en) * | 1978-04-19 | 1979-11-16 | British Gas Corp | Pipeline inspection vehicle - having deffect-detector modules spring loaded outwardly and mounted on a ring that can float radially |
| JPH073408B2 (en) * | 1985-03-29 | 1995-01-18 | 日本鋼管株式会社 | Pipeline pitting detector |
| US6931748B2 (en) * | 2002-04-05 | 2005-08-23 | Varco I/P, Inc. | Riser and tubular inspection systems |
-
1969
- 1969-09-19 FR FR6931962A patent/FR2018637A1/en not_active Withdrawn
- 1969-09-23 NL NL6914449A patent/NL6914449A/xx unknown
- 1969-09-23 DE DE19691948134 patent/DE1948134A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2018637A1 (en) | 1970-06-26 |
| DE1948134A1 (en) | 1970-03-26 |