CA999065A - Method and apparatus for testing optical defects in transparent sheets, in particular, glass - Google Patents
Method and apparatus for testing optical defects in transparent sheets, in particular, glassInfo
- Publication number
- CA999065A CA999065A CA152,244A CA152244A CA999065A CA 999065 A CA999065 A CA 999065A CA 152244 A CA152244 A CA 152244A CA 999065 A CA999065 A CA 999065A
- Authority
- CA
- Canada
- Prior art keywords
- glass
- optical defects
- transparent sheets
- testing optical
- testing
- 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/896—Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7134556A FR2153817A5 (hu) | 1971-09-24 | 1971-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA999065A true CA999065A (en) | 1976-10-26 |
Family
ID=9083467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA152,244A Expired CA999065A (en) | 1971-09-24 | 1972-09-21 | Method and apparatus for testing optical defects in transparent sheets, in particular, glass |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS4842790A (hu) |
| AR (1) | AR198958A1 (hu) |
| AU (1) | AU4701672A (hu) |
| BE (1) | BE789192A (hu) |
| BR (1) | BR7206599D0 (hu) |
| CA (1) | CA999065A (hu) |
| DD (1) | DD99855A5 (hu) |
| DE (1) | DE2246468A1 (hu) |
| ES (1) | ES406936A1 (hu) |
| FR (1) | FR2153817A5 (hu) |
| GB (1) | GB1406296A (hu) |
| HU (1) | HU166296B (hu) |
| IT (1) | IT985523B (hu) |
| SE (1) | SE386274B (hu) |
| ZA (1) | ZA726393B (hu) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5531441A (en) * | 1978-08-28 | 1980-03-05 | Hitachi Plant Eng & Constr Co | Piping washing method |
| JPS5535985A (en) * | 1978-09-08 | 1980-03-13 | Hitachi Plant Eng & Constr Co | Piping washing method |
| JPS5653323Y2 (hu) * | 1979-09-29 | 1981-12-11 | ||
| FR2591341B1 (fr) * | 1985-12-10 | 1988-02-19 | Saint Gobain Vitrage | Technique de detection de defauts optiques sur ligne de production de verre |
| JP6683464B2 (ja) * | 2015-12-07 | 2020-04-22 | 大和製罐株式会社 | 密封容器の内圧検査装置 |
-
0
- BE BE789192D patent/BE789192A/xx unknown
-
1971
- 1971-09-24 FR FR7134556A patent/FR2153817A5/fr not_active Expired
-
1972
- 1972-09-18 HU HUSA2403A patent/HU166296B/hu unknown
- 1972-09-19 SE SE7212095A patent/SE386274B/xx unknown
- 1972-09-19 ZA ZA726393A patent/ZA726393B/xx unknown
- 1972-09-21 CA CA152,244A patent/CA999065A/en not_active Expired
- 1972-09-21 GB GB4376472A patent/GB1406296A/en not_active Expired
- 1972-09-21 AR AR244206A patent/AR198958A1/es active
- 1972-09-21 JP JP47094184A patent/JPS4842790A/ja active Pending
- 1972-09-22 DE DE2246468A patent/DE2246468A1/de active Pending
- 1972-09-22 BR BR006599/72A patent/BR7206599D0/pt unknown
- 1972-09-22 ES ES406936A patent/ES406936A1/es not_active Expired
- 1972-09-22 AU AU47016/72A patent/AU4701672A/en not_active Expired
- 1972-09-22 DD DD165815A patent/DD99855A5/xx unknown
- 1972-09-23 IT IT70010/72A patent/IT985523B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1406296A (en) | 1975-09-17 |
| AR198958A1 (es) | 1974-07-31 |
| ES406936A1 (es) | 1975-09-01 |
| DE2246468A1 (de) | 1973-03-29 |
| SE386274B (sv) | 1976-08-02 |
| DD99855A5 (hu) | 1973-08-20 |
| JPS4842790A (hu) | 1973-06-21 |
| HU166296B (hu) | 1975-02-28 |
| BR7206599D0 (pt) | 1973-07-19 |
| FR2153817A5 (hu) | 1973-05-04 |
| AU4701672A (en) | 1974-03-28 |
| ZA726393B (en) | 1973-06-27 |
| BE789192A (fr) | 1973-03-22 |
| IT985523B (it) | 1974-12-10 |
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