BR8203021A - Processo e aparelho para detectar presenca de reentrancias e saliencias - Google Patents

Processo e aparelho para detectar presenca de reentrancias e saliencias

Info

Publication number
BR8203021A
BR8203021A BR8203021A BR8203021A BR8203021A BR 8203021 A BR8203021 A BR 8203021A BR 8203021 A BR8203021 A BR 8203021A BR 8203021 A BR8203021 A BR 8203021A BR 8203021 A BR8203021 A BR 8203021A
Authority
BR
Brazil
Prior art keywords
tire
deflections
differentiator
bosses
burns
Prior art date
Application number
BR8203021A
Other languages
English (en)
Inventor
Jean E Engel
Original Assignee
Goodyear Tire & Rubber
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 Goodyear Tire & Rubber filed Critical Goodyear Tire & Rubber
Publication of BR8203021A publication Critical patent/BR8203021A/pt

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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—Tyres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Balance (AREA)
  • Paper (AREA)
  • Tires In General (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Tyre Moulding (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Cartons (AREA)
  • Air Bags (AREA)
  • Emergency Alarm Devices (AREA)
  • Led Device Packages (AREA)
BR8203021A 1981-06-03 1982-05-25 Processo e aparelho para detectar presenca de reentrancias e saliencias BR8203021A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/270,087 US4402218A (en) 1981-06-03 1981-06-03 Method and apparatus for sidewall bulge and valley detection

Publications (1)

Publication Number Publication Date
BR8203021A true BR8203021A (pt) 1983-05-10

Family

ID=23029859

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8203021A BR8203021A (pt) 1981-06-03 1982-05-25 Processo e aparelho para detectar presenca de reentrancias e saliencias

Country Status (10)

Country Link
US (1) US4402218A (pt)
EP (1) EP0067783B1 (pt)
JP (1) JPS57200810A (pt)
AT (1) ATE37089T1 (pt)
AU (1) AU546034B2 (pt)
BR (1) BR8203021A (pt)
CA (1) CA1173268A (pt)
DE (1) DE3279001D1 (pt)
MX (1) MX151103A (pt)
ZA (1) ZA823503B (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4440018A (en) * 1982-01-18 1984-04-03 The Goodyear Tire & Rubber Company Tire sidewall deformation detection techniques
IT1198594B (it) * 1983-05-06 1988-12-21 Fabio Boni Apparecchiature per l'equilibramento di ruote con copertone pneumatico
DE3644733A1 (de) * 1987-01-07 1988-07-14 Vnii Metrologiceskoj Sluzby Satz von normalmassen zur attestierung und eichung von geraeten zur parametermessung bei unebenheiten von profilen und oberflaechen
JP2602863B2 (ja) * 1987-12-25 1997-04-23 株式会社ブリヂストン 空気入りタイヤの非破壊検査方法
US4896531A (en) * 1988-10-11 1990-01-30 Eagle-Picher Industries, Inc. Sidewall appearance monitor
JPH02296127A (ja) * 1989-05-10 1990-12-06 Bridgestone Corp 空気入りタイヤの欠陥検査方法
US5249460A (en) * 1991-12-16 1993-10-05 Bridgestone Corporation Method and apparatus for measuring irregular tread wear
US5245867A (en) * 1991-12-16 1993-09-21 Bridgestone Corporation Method and apparatus for measuring tire parameters
US5313827A (en) * 1992-09-28 1994-05-24 The Goodyear Tire & Rubber Company Method and apparatus for detecting ply defects in pneumatic tires
DE4304451C2 (de) * 1993-02-13 1995-12-14 Seichter Gmbh Meßsystem zur Erfassung von Unebenheiten auf der Oberfläche eines Meßobjektes
DE4403951C2 (de) * 1994-02-08 1999-03-25 Niles Simmons Industrieanlagen Meßverfahren und Meßeinrichtung für Radsätze von Schienenfahrzeugen
US5639962A (en) * 1996-03-06 1997-06-17 The Goodyear Tire & Rubber Company Enhanced tire uniformity machine data utilizing first and second derivative calculations
US6067848A (en) * 1997-03-07 2000-05-30 Bridgestone/Firestone, Inc. Portable tire uniformity measurement system and method
US6044695A (en) * 1997-09-02 2000-04-04 Datacard Corporation Apparatus and method for detecting contaminants on the surface of a card
US6050138A (en) 1997-10-22 2000-04-18 Exponent, Inc. System and method for performing bulge testing of films, coatings and/or layers
DE19849793C1 (de) 1998-10-28 2000-03-16 Fraunhofer Ges Forschung Vorrichtung und Verfahren zur berührungslosen Erfassung von Unebenheiten in einer gewölbten Oberfläche
DE10062251C2 (de) * 2000-12-14 2002-12-12 Fraunhofer Ges Forschung Vorrichtung und Verfahren zur Qualitätsüberprüfung eines Körpers
US7369956B2 (en) * 2005-10-25 2008-05-06 Commercial Time Sharing, Inc. System for testing tire sidewall irregularities and related methods
US8011235B2 (en) * 2009-04-16 2011-09-06 Bridgestone Americas Tire Operations, Llc Apparatus and method for measuring local tire stiffness
CN108709474B (zh) * 2018-07-25 2023-09-22 广西玉柴机器股份有限公司 一种直柄刀具检测装置
CN114440746B (zh) * 2022-02-25 2023-05-23 乐捷家居股份有限公司 一种办公家具用平整度检测设备及其检测方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2251803A (en) * 1937-12-09 1941-08-05 Edwin W Pummill Tire tester
US3303571A (en) * 1964-06-22 1967-02-14 William E Veals Apparatus for testing wheel mounted inflated tires
US3490277A (en) * 1967-08-17 1970-01-20 Electronic Associates Tire testing system
US3815407A (en) * 1973-01-22 1974-06-11 Department Of Transportation Resonance tire inspection method and apparatus
FR2218807A5 (pt) * 1973-02-19 1974-09-13 Uniroyal
US4103542A (en) * 1977-09-09 1978-08-01 Tencor Instruments Metrology instrument for measuring vertical profiles of integrated circuits
DE2916882A1 (de) * 1979-04-26 1980-11-06 Hofmann Gmbh & Co Kg Maschinen Verfahren und vorrichtung zum pruefen der einlagen in der seitenwand eines kraftfahrzeugreifens
US4258567A (en) * 1979-09-27 1981-03-31 The Firestone Tire & Rubber Company Tire sidewall deformity tester and method
JPS56122931A (en) * 1980-03-03 1981-09-26 Bridgestone Corp Method and device for checking tire

Also Published As

Publication number Publication date
EP0067783A3 (en) 1985-03-06
US4402218A (en) 1983-09-06
JPS57200810A (en) 1982-12-09
AU8439982A (en) 1982-12-09
EP0067783A2 (en) 1982-12-22
ATE37089T1 (de) 1988-09-15
JPH0242171B2 (pt) 1990-09-20
DE3279001D1 (en) 1988-10-13
EP0067783B1 (en) 1988-09-07
CA1173268A (en) 1984-08-28
ZA823503B (en) 1983-03-30
MX151103A (es) 1984-09-28
AU546034B2 (en) 1985-08-08

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 25/05/97