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BR112018011850A2 - método e aparelho para verificar um pneu - Google Patents

método e aparelho para verificar um pneu

Info

Publication number
BR112018011850A2
BR112018011850A2 BR112018011850A BR112018011850A BR112018011850A2 BR 112018011850 A2 BR112018011850 A2 BR 112018011850A2 BR 112018011850 A BR112018011850 A BR 112018011850A BR 112018011850 A BR112018011850 A BR 112018011850A BR 112018011850 A2 BR112018011850 A2 BR 112018011850A2
Authority
BR
Brazil
Prior art keywords
tire
surface portion
light source
image
camera
Prior art date
Application number
BR112018011850A
Other languages
English (en)
Other versions
BR112018011850B1 (pt
Inventor
HELD Alessandro
LEITNER Bernd
Pecoraro Daniele
ENGELSBERGER Josef
Ballardini Valeriano
Boffa Vincenzo
Original Assignee
Pirelli
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 Pirelli filed Critical Pirelli
Publication of BR112018011850A2 publication Critical patent/BR112018011850A2/pt
Publication of BR112018011850B1 publication Critical patent/BR112018011850B1/pt

Links

Classifications

    • 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
    • G01M17/027—Tyres using light, e.g. infrared, ultraviolet or holographic techniques
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8812—Diffuse illumination, e.g. "sky"
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Tyre Moulding (AREA)
  • Tires In General (AREA)

Abstract

a invenção se refere a um método para verificar um pneu, compreendendo: - prover um pneu (200) a ser verificado; - associar uma primeira fonte de luz (110) e uma segunda fonte de luz (108) capazes de ser independentemente ativadas com uma câmera (105); - aplicar uma primeira força contra uma primeira porção da superfície (202) do dito pneu de maneira tal a gerar uma primeira porção de superfície deformada; - iluminar a dita primeira porção da superfície deformada do dito pneu com uma primeira radiação de luz emitida pela dita primeira fonte de luz (110); - manter a dita segunda fonte de luz (108) inativa durante a dita deformação; - adquirir uma primeira imagem da dita primeira porção da superfície deformada iluminada pela dita primeira radiação de luz por meio da dita câmera (105); - remover a dita primeira força da dita primeira porção da superfície do dito pneu; - selecionar uma segunda porção da superfície pelo menos parcialmente diferente da dita primeira porção da superfície do dito pneu; - iluminar a dita segunda porção da superfície não deformada do dito pneu com uma segunda radiação de luz emitida pela dita segunda fonte de luz (108); - adquirir uma segunda imagem da dita segunda porção da superfície não deformada e iluminada pela dita segunda radiação de luz por meio da dita câmera (105); e ? processar a dita primeira imagem e a dita segunda imagem, de maneira tal a detectar possíveis defeitos na dita primeira porção da superfície e na dita segunda porção da superfície do dito pneu. a invenção também se refere a um aparelho para verificar pneus.
BR112018011850-8A 2015-12-16 2016-12-16 Método e aparelho para verificar um pneu BR112018011850B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITUB2015A009501 2015-12-16
ITUB20159501 2015-12-16
PCT/IB2016/057712 WO2017103873A1 (en) 2015-12-16 2016-12-16 Method and apparatus for checking tyres

Publications (2)

Publication Number Publication Date
BR112018011850A2 true BR112018011850A2 (pt) 2018-11-27
BR112018011850B1 BR112018011850B1 (pt) 2022-10-11

Family

ID=55588474

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018011850-8A BR112018011850B1 (pt) 2015-12-16 2016-12-16 Método e aparelho para verificar um pneu

Country Status (9)

Country Link
US (2) US10605698B2 (pt)
EP (1) EP3391011B1 (pt)
JP (1) JP6789292B2 (pt)
KR (1) KR20180093920A (pt)
CN (1) CN108369160B (pt)
BR (1) BR112018011850B1 (pt)
MX (1) MX2018006046A (pt)
RU (1) RU2733978C2 (pt)
WO (1) WO2017103873A1 (pt)

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EP3391011B1 (en) 2015-12-16 2020-02-19 Pirelli Tyre S.p.A. Method and apparatus for checking tyres
KR102425871B1 (ko) 2015-12-28 2022-07-27 피렐리 타이어 소시에떼 퍼 아찌오니 타이어 점검 장치 및 방법
WO2017141094A1 (en) 2015-12-28 2017-08-24 Pirelli Tyre S.P.A. Apparatus for checking tyres
KR20180100138A (ko) 2015-12-28 2018-09-07 피렐리 타이어 소시에떼 퍼 아찌오니 타이어 검사 장치

Also Published As

Publication number Publication date
US10935467B2 (en) 2021-03-02
WO2017103873A1 (en) 2017-06-22
CN108369160B (zh) 2020-09-04
US20200217756A1 (en) 2020-07-09
MX2018006046A (es) 2018-09-12
CN108369160A (zh) 2018-08-03
RU2733978C2 (ru) 2020-10-08
RU2018124988A3 (pt) 2020-04-17
JP6789292B2 (ja) 2020-11-25
KR20180093920A (ko) 2018-08-22
US20190086293A1 (en) 2019-03-21
EP3391011A1 (en) 2018-10-24
US10605698B2 (en) 2020-03-31
JP2019505760A (ja) 2019-02-28
EP3391011B1 (en) 2020-02-19
BR112018011850B1 (pt) 2022-10-11
RU2018124988A (ru) 2020-01-20

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Legal Events

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 16/12/2016, OBSERVADAS AS CONDICOES LEGAIS