CA919775A - Pinhole detector - Google Patents
Pinhole detectorInfo
- Publication number
- CA919775A CA919775A CA090782A CA90782A CA919775A CA 919775 A CA919775 A CA 919775A CA 090782 A CA090782 A CA 090782A CA 90782 A CA90782 A CA 90782A CA 919775 A CA919775 A CA 919775A
- Authority
- CA
- Canada
- Prior art keywords
- pinhole detector
- pinhole
- detector
- 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
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
- G01N27/02—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
- G01N27/205—Investigating the presence of flaws in insulating materials
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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85657769A | 1969-09-10 | 1969-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA919775A true CA919775A (en) | 1973-01-23 |
Family
ID=25323989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA090782A Expired CA919775A (en) | 1969-09-10 | 1970-08-14 | Pinhole detector |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5039547B1 (en) |
CA (1) | CA919775A (en) |
GB (1) | GB1323567A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5204632A (en) * | 1989-07-05 | 1993-04-20 | Leach Eddie D | Apparatus and method for detecting leaks in surgical and examination gloves |
US5351008A (en) * | 1993-01-25 | 1994-09-27 | Associated Enterprises, Inc. | Portable and disposable device for detecting holes or leaks in a surgical or examination glove |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS517489A (en) * | 1974-07-05 | 1976-01-21 | Fujikura Ltd | ZETSUENDENSENHIFUKUFURYOBUNO KENSHUTSUHOHO |
JPS5341460U (en) * | 1976-09-14 | 1978-04-10 | ||
US5844406A (en) * | 1995-08-23 | 1998-12-01 | Gormley; Gregory J. | Method and apparatus for testing and measuring for porosity and anomalies of materials using electron beams |
EP1022106A4 (en) * | 1997-08-14 | 2006-10-11 | Asahi Chemical Ind | Aramid film and its use, method of manufacturing the same, detection of pinholes in the film, and device for the detection |
US6707055B2 (en) | 2001-09-28 | 2004-03-16 | Polaroid Corporation | Method and apparatus for detecting pinhole defects in a dielectric layer |
CN110794031B (en) * | 2019-11-13 | 2023-04-28 | 山东天海新材料工程有限公司 | Online leakage point detection device for geomembrane |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3321703A (en) * | 1963-12-09 | 1967-05-23 | Northern Electric Co | Method and apparatus for testing a dielectric material in the presence of a gas by moving the material with a sufficient velocity to ionize the gas |
-
1970
- 1970-08-14 CA CA090782A patent/CA919775A/en not_active Expired
- 1970-09-09 JP JP7856470A patent/JPS5039547B1/ja active Pending
- 1970-09-09 GB GB4305970A patent/GB1323567A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5204632A (en) * | 1989-07-05 | 1993-04-20 | Leach Eddie D | Apparatus and method for detecting leaks in surgical and examination gloves |
US5351008A (en) * | 1993-01-25 | 1994-09-27 | Associated Enterprises, Inc. | Portable and disposable device for detecting holes or leaks in a surgical or examination glove |
Also Published As
Publication number | Publication date |
---|---|
JPS5039547B1 (en) | 1975-12-17 |
GB1323567A (en) | 1973-07-18 |
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