JPS55164306A - Check system for deformation of tile - Google Patents
Check system for deformation of tileInfo
- Publication number
- JPS55164306A JPS55164306A JP7253779A JP7253779A JPS55164306A JP S55164306 A JPS55164306 A JP S55164306A JP 7253779 A JP7253779 A JP 7253779A JP 7253779 A JP7253779 A JP 7253779A JP S55164306 A JPS55164306 A JP S55164306A
- Authority
- JP
- Japan
- Prior art keywords
- tile
- deformation
- tiles
- value
- addition values
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
PURPOSE: To decide the torsion degree of tiles with a high precision to prevent shipping of unusable tiles, by adding height of deformation check points on diagonals of a tile and by deciding whether the absolute value of the difference between two addition values satisfies an allowable value or not.
CONSTITUTION: Hight h1Wh4 from reference face P0 of deformation check points P1WP4 of a tile are measured. Next, in respect to heights h1 and h3 and heights h2 and h4 on diagonals, addition values X=h1+h3 and Y=h2+h4 are calculated. Next, the difference between two addition values Z=X-Y is obtained, and absolute difference value |Z| is obtained from this Z, and this absolute difference value is compared with deformation allowable value (torsion upper limit allowable value) θ; and in case of |Z|θ, it is decided that the tile satisfies the quality standard. For these calculation decisions, a deciding unit having required electric circuits is used. As a result, shipping of tiles which pass in the check of the conventional method but cannot be used actually can be prevented.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7253779A JPS55164306A (en) | 1979-06-09 | 1979-06-09 | Check system for deformation of tile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7253779A JPS55164306A (en) | 1979-06-09 | 1979-06-09 | Check system for deformation of tile |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55164306A true JPS55164306A (en) | 1980-12-22 |
Family
ID=13492194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7253779A Pending JPS55164306A (en) | 1979-06-09 | 1979-06-09 | Check system for deformation of tile |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55164306A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015087295A (en) * | 2013-10-31 | 2015-05-07 | 株式会社Ihi | Shape inspection device and shape inspection method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5487556A (en) * | 1977-12-23 | 1979-07-12 | Makino Tekkosho | Method of measuring distortion of china tile* etc* and distortion measuring device |
-
1979
- 1979-06-09 JP JP7253779A patent/JPS55164306A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5487556A (en) * | 1977-12-23 | 1979-07-12 | Makino Tekkosho | Method of measuring distortion of china tile* etc* and distortion measuring device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015087295A (en) * | 2013-10-31 | 2015-05-07 | 株式会社Ihi | Shape inspection device and shape inspection method |
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