JPS56140243A - Inspecting method of ring shaped body - Google Patents
Inspecting method of ring shaped bodyInfo
- Publication number
- JPS56140243A JPS56140243A JP4436180A JP4436180A JPS56140243A JP S56140243 A JPS56140243 A JP S56140243A JP 4436180 A JP4436180 A JP 4436180A JP 4436180 A JP4436180 A JP 4436180A JP S56140243 A JPS56140243 A JP S56140243A
- Authority
- JP
- Japan
- Prior art keywords
- cameras
- scanning
- bottle
- ring shaped
- inspected
- 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
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
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/9036—Investigating the presence of flaws or contamination in a container or its contents using arrays of emitters or receivers
Abstract
PURPOSE:To inspect the special crack in a ring shaped bodies by putting two kinds of photographic signals into signal processing circuit, which are obtained by two scanning lines of the cameras intersected each other by arbitrary angle where the cameras are scanning across the ring shaped body to be inspected. CONSTITUTION:The bottles to be inspected are moved along the conveyor belt 1, to which the lights are applied by the light sources 3, 5. The lights reflected at the mouth of bottle are caught by the cameras 4, 6. The relation between the light source 3 and the camera 4, and the source 5 and the camera 6 is arranged such that the scanning lines are intersected each other at the mouth of bottle. The number of scanning by the cameras 4, 6 should be enough to inspect the cracks at the mouth of bottle, and the scanning is performed at some constant sampling rates (about 3333 times per second). The photographic signals from the cameras 4, 6 are checked by the signal processing circuit 7, and the bottle is inspected by whether the number of photograhic signal at each scanning is equal to some predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4436180A JPS56140243A (en) | 1980-04-02 | 1980-04-02 | Inspecting method of ring shaped body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4436180A JPS56140243A (en) | 1980-04-02 | 1980-04-02 | Inspecting method of ring shaped body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56140243A true JPS56140243A (en) | 1981-11-02 |
| JPS6252817B2 JPS6252817B2 (en) | 1987-11-06 |
Family
ID=12689361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4436180A Granted JPS56140243A (en) | 1980-04-02 | 1980-04-02 | Inspecting method of ring shaped body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56140243A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50160092A (en) * | 1974-06-06 | 1975-12-25 | ||
| JPS5229788A (en) * | 1975-09-02 | 1977-03-05 | Owens Illinois Inc | Bubble detector for glass container |
-
1980
- 1980-04-02 JP JP4436180A patent/JPS56140243A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50160092A (en) * | 1974-06-06 | 1975-12-25 | ||
| JPS5229788A (en) * | 1975-09-02 | 1977-03-05 | Owens Illinois Inc | Bubble detector for glass container |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6252817B2 (en) | 1987-11-06 |
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