JPS57137807A - Detector for ruggedness at side wall of tire - Google Patents

Detector for ruggedness at side wall of tire

Info

Publication number
JPS57137807A
JPS57137807A JP56023713A JP2371381A JPS57137807A JP S57137807 A JPS57137807 A JP S57137807A JP 56023713 A JP56023713 A JP 56023713A JP 2371381 A JP2371381 A JP 2371381A JP S57137807 A JPS57137807 A JP S57137807A
Authority
JP
Japan
Prior art keywords
tire
side wall
produced
detector
ruggedness
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
JP56023713A
Other languages
Japanese (ja)
Inventor
Hiroyasu Fujishima
Osamu Ishijiro
Hiroshi Imazaki
Koji Kaishi
Keiichi Sone
Kazuhiro Otsuki
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.)
Toyo Tire Corp
Original Assignee
Toyo Tire and 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 Toyo Tire and Rubber Co Ltd filed Critical Toyo Tire and Rubber Co Ltd
Priority to JP56023713A priority Critical patent/JPS57137807A/en
Publication of JPS57137807A publication Critical patent/JPS57137807A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces

Abstract

PURPOSE:To detect the recesses of small shapes produced on the side wall of a tire for automobiles during production by means of two position sensors of which one is fixed and the other is of sliding type. CONSTITUTION:Ruggedness occuring in materials or production stages is produced on the side wall of a tire T for automobiles. Particularly with a radial tire, small ruggedness is produced on account of the nonuniformity of ply cords. One position sensor 22 is supported by means of an L type arm 10 to a detector 9 by fixing its sensing part in a prescribed position in such a way as not to move and the other position sensor 21 is fitted in such a way that its sensing part is made freely slidable in vertical directions. When there is a recess on the side wall of the tire, a difference in height is produced between the stationary side sensor 22 and the extension side sensor 21 and therefore the detector 9 produces an output. If the space between both sensors is narrowed, small recesses are detected with good accuracy.
JP56023713A 1981-02-18 1981-02-18 Detector for ruggedness at side wall of tire Pending JPS57137807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56023713A JPS57137807A (en) 1981-02-18 1981-02-18 Detector for ruggedness at side wall of tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56023713A JPS57137807A (en) 1981-02-18 1981-02-18 Detector for ruggedness at side wall of tire

Publications (1)

Publication Number Publication Date
JPS57137807A true JPS57137807A (en) 1982-08-25

Family

ID=12117972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56023713A Pending JPS57137807A (en) 1981-02-18 1981-02-18 Detector for ruggedness at side wall of tire

Country Status (1)

Country Link
JP (1) JPS57137807A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588630A (en) * 1981-06-30 1983-01-18 Sumitomo Rubber Ind Ltd Apparatus for inspecting tire by inflation
JPS59125010A (en) * 1982-12-29 1984-07-19 Daido Kogyo Co Ltd Shake detecting device of wheel or the like
JPS618601A (en) * 1984-06-25 1986-01-16 Yokohama Rubber Co Ltd:The Method and device for spew derivation position of tire
JPH02213702A (en) * 1989-02-14 1990-08-24 Nec Kyushu Ltd Instrument for measuring edge chip of semiconductor substrate
JPH03269210A (en) * 1990-03-19 1991-11-29 Japan Radio Co Ltd Apparatus for detecting deformation of scallop shell

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5166889A (en) * 1974-11-27 1976-06-09 Hitachi Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5166889A (en) * 1974-11-27 1976-06-09 Hitachi Ltd

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588630A (en) * 1981-06-30 1983-01-18 Sumitomo Rubber Ind Ltd Apparatus for inspecting tire by inflation
JPS6235383B2 (en) * 1981-06-30 1987-08-01 Sumitomo Rubber Ind
JPS59125010A (en) * 1982-12-29 1984-07-19 Daido Kogyo Co Ltd Shake detecting device of wheel or the like
JPS618601A (en) * 1984-06-25 1986-01-16 Yokohama Rubber Co Ltd:The Method and device for spew derivation position of tire
JPH02213702A (en) * 1989-02-14 1990-08-24 Nec Kyushu Ltd Instrument for measuring edge chip of semiconductor substrate
JPH03269210A (en) * 1990-03-19 1991-11-29 Japan Radio Co Ltd Apparatus for detecting deformation of scallop shell
JPH0739952B2 (en) * 1990-03-19 1995-05-01 日本無線株式会社 Deformation detector for scallop

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