JPS55164306A - Check system for deformation of tile - Google Patents

Check system for deformation of tile

Info

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
Application number
JP7253779A
Other languages
Japanese (ja)
Inventor
Tadao Totsuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP7253779A priority Critical patent/JPS55164306A/en
Publication of JPS55164306A publication Critical patent/JPS55164306A/en
Pending legal-status Critical Current

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
JP7253779A 1979-06-09 1979-06-09 Check system for deformation of tile Pending JPS55164306A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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