BR0009831A - Aparelho para mapear a espessura de parede de um tubo ou outro objeto possuindo movimento em duas direções - Google Patents

Aparelho para mapear a espessura de parede de um tubo ou outro objeto possuindo movimento em duas direções

Info

Publication number
BR0009831A
BR0009831A BR0009831-0A BR0009831A BR0009831A BR 0009831 A BR0009831 A BR 0009831A BR 0009831 A BR0009831 A BR 0009831A BR 0009831 A BR0009831 A BR 0009831A
Authority
BR
Brazil
Prior art keywords
tube
wall thickness
mapping
directions
generation point
Prior art date
Application number
BR0009831-0A
Other languages
English (en)
Inventor
Jean-Pierre Monchalin
Alain Blouin
Christian Padioleau
Original Assignee
Ca Nat Research Council
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 Ca Nat Research Council filed Critical Ca Nat Research Council
Publication of BR0009831A publication Critical patent/BR0009831A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
    • G01K11/24—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of the velocity of propagation of sound
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0691—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of objects while moving

Abstract

"APARELHO PARA MAPEAR A ESPESSURA DE PAREDE DE UM TUBO OU OUTRO OBJETO POSSUINDO MOVIMENTO EM DUAS DIREçõES". Um aparelho e método para mapear a espessura de parede de um tubo ou outro objeto que tem movimento em duas direções. O dispositivo inclui um primeiro laser para gerar ultra-som que se propaga no interior da parede do tubo sobre determinado ponto de geração em uma superfície do tubo, um segundo laser acoplado a um interferómetro para detectar os ecos ultra-sónicos produzidos por um ponto de detecção na superfície. Um processador é fornecido para operar nos ecos ultra-sónicos registrados e utilizar um valor dado de velocidade ultra-sónica e a distância entre o ponto de geração e os pontos de detecção para determinar uma espessura de parede a um ponto médio entre o ponto de geração e o de detecção. Um dispositivo de medição de deslocamento ótimo determina o deslocamento em duas dimensões entre o ponto de geração e um ponto inicial arbitrário e uma tela para exibir valores de espessura de parede pela superfície do tubo.
BR0009831-0A 1999-04-20 2000-04-19 Aparelho para mapear a espessura de parede de um tubo ou outro objeto possuindo movimento em duas direções BR0009831A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/294,208 US6078397A (en) 1999-04-20 1999-04-20 Method and apparatus for mapping the wall thickness of tubes during production
PCT/IB2000/000714 WO2000063641A1 (en) 1999-04-20 2000-04-19 Laser-ultrasonic measurement of wall thickness

Publications (1)

Publication Number Publication Date
BR0009831A true BR0009831A (pt) 2002-01-15

Family

ID=23132359

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0009831-0A BR0009831A (pt) 1999-04-20 2000-04-19 Aparelho para mapear a espessura de parede de um tubo ou outro objeto possuindo movimento em duas direções

Country Status (7)

Country Link
US (1) US6078397A (pt)
EP (1) EP1171751A1 (pt)
JP (1) JP2002542468A (pt)
CN (1) CN1357100A (pt)
AU (1) AU4604200A (pt)
BR (1) BR0009831A (pt)
WO (1) WO2000063641A1 (pt)

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Also Published As

Publication number Publication date
EP1171751A1 (en) 2002-01-16
JP2002542468A (ja) 2002-12-10
US6078397A (en) 2000-06-20
WO2000063641A1 (en) 2000-10-26
CN1357100A (zh) 2002-07-03
AU4604200A (en) 2000-11-02

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]