JPS55116208A - Measuring length of black rubber object - Google Patents

Measuring length of black rubber object

Info

Publication number
JPS55116208A
JPS55116208A JP2392479A JP2392479A JPS55116208A JP S55116208 A JPS55116208 A JP S55116208A JP 2392479 A JP2392479 A JP 2392479A JP 2392479 A JP2392479 A JP 2392479A JP S55116208 A JPS55116208 A JP S55116208A
Authority
JP
Japan
Prior art keywords
switch
edge lines
distance
light
black rubber
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
Application number
JP2392479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6161042B2 (enrdf_load_stackoverflow
Inventor
Takeshi Yonezawa
Toshio Tanaka
Haruyuki Takagi
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.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber Co Ltd
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 Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP2392479A priority Critical patent/JPS55116208A/ja
Publication of JPS55116208A publication Critical patent/JPS55116208A/ja
Publication of JPS6161042B2 publication Critical patent/JPS6161042B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
JP2392479A 1979-02-28 1979-02-28 Measuring length of black rubber object Granted JPS55116208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2392479A JPS55116208A (en) 1979-02-28 1979-02-28 Measuring length of black rubber object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2392479A JPS55116208A (en) 1979-02-28 1979-02-28 Measuring length of black rubber object

Publications (2)

Publication Number Publication Date
JPS55116208A true JPS55116208A (en) 1980-09-06
JPS6161042B2 JPS6161042B2 (enrdf_load_stackoverflow) 1986-12-24

Family

ID=12124062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2392479A Granted JPS55116208A (en) 1979-02-28 1979-02-28 Measuring length of black rubber object

Country Status (1)

Country Link
JP (1) JPS55116208A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6114507A (ja) * 1984-06-30 1986-01-22 Yokohama Rubber Co Ltd:The タイヤトレツド長の測定方法
US4974077A (en) * 1988-08-05 1990-11-27 Bridgestone Corporation Apparatus for detecting edge position of elongated article
US6765191B2 (en) 2001-08-20 2004-07-20 The Goodyear Tire & Rubber Company Roller switch
JP2013151119A (ja) * 2012-01-25 2013-08-08 Bridgestone Corp トレッド長さ測定方法及びトレッド長さ測定装置
JP2020003225A (ja) * 2018-06-25 2020-01-09 住友ゴム工業株式会社 ゴムシートの長さ測定装置及び当該ゴムシートの長さ測定方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6114507A (ja) * 1984-06-30 1986-01-22 Yokohama Rubber Co Ltd:The タイヤトレツド長の測定方法
US4974077A (en) * 1988-08-05 1990-11-27 Bridgestone Corporation Apparatus for detecting edge position of elongated article
US6765191B2 (en) 2001-08-20 2004-07-20 The Goodyear Tire & Rubber Company Roller switch
JP2013151119A (ja) * 2012-01-25 2013-08-08 Bridgestone Corp トレッド長さ測定方法及びトレッド長さ測定装置
JP2020003225A (ja) * 2018-06-25 2020-01-09 住友ゴム工業株式会社 ゴムシートの長さ測定装置及び当該ゴムシートの長さ測定方法

Also Published As

Publication number Publication date
JPS6161042B2 (enrdf_load_stackoverflow) 1986-12-24

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