CA2012667A1 - Jauge pour la mesure de l'epaisseur d'un materiau en feuilles, en mouvement - Google Patents

Jauge pour la mesure de l'epaisseur d'un materiau en feuilles, en mouvement

Info

Publication number
CA2012667A1
CA2012667A1 CA2012667A CA2012667A CA2012667A1 CA 2012667 A1 CA2012667 A1 CA 2012667A1 CA 2012667 A CA2012667 A CA 2012667A CA 2012667 A CA2012667 A CA 2012667A CA 2012667 A1 CA2012667 A1 CA 2012667A1
Authority
CA
Canada
Prior art keywords
air bearing
sheet material
moving sheet
thickness gauge
inner air
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
CA2012667A
Other languages
English (en)
Other versions
CA2012667C (fr
Inventor
Pekka Matti Typpo
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.)
Voith Paper Automation Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2012667A1 publication Critical patent/CA2012667A1/fr
Application granted granted Critical
Publication of CA2012667C publication Critical patent/CA2012667C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • 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
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/107—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/40—Caliper-like sensors
    • G01B2210/42—Caliper-like sensors with one or more detectors on a single side of the object to be measured and with a backing surface of support or reference on the other side
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/62—Support for workpiece air film or bearing with positive or negative pressure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Braking Arrangements (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
CA002012667A 1989-03-22 1990-03-21 Jauge pour la mesure de l'epaisseur d'un materiau en feuilles, en mouvement Expired - Fee Related CA2012667C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US326,906 1989-03-22
US07/326,906 US4929895A (en) 1989-03-22 1989-03-22 Thickness gauge for moving sheet material with inner and outer flexibly mounted bearings

Publications (2)

Publication Number Publication Date
CA2012667A1 true CA2012667A1 (fr) 1990-09-22
CA2012667C CA2012667C (fr) 1996-11-12

Family

ID=23274250

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002012667A Expired - Fee Related CA2012667C (fr) 1989-03-22 1990-03-21 Jauge pour la mesure de l'epaisseur d'un materiau en feuilles, en mouvement

Country Status (6)

Country Link
US (1) US4929895A (fr)
EP (1) EP0389265B1 (fr)
JP (1) JP2941877B2 (fr)
CA (1) CA2012667C (fr)
DE (1) DE69001770T2 (fr)
FI (1) FI99162C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009067803A3 (fr) * 2007-11-27 2009-09-17 Abb Ltd. Stabilisateurs de feuille avec buse d'aspiration comportant une saillie centrale

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5132619A (en) * 1991-05-31 1992-07-21 Impact Systems, Inc. Thickness gauge having a low unsprung weight for moving sheet material for lightweight paper
IT1269734B (it) * 1994-05-10 1997-04-15 Aeonic Syst Italia Srl Dispositivo per la misura in linea dello spessore di un foglio industriale continuo,basato su due testine tastatrici contrapposte senza contatto diretto per mezzo di cuscini d'aria,azionate da una spinta invariante di tipo gravimetrico
AT404848B (de) * 1996-11-13 1999-03-25 Andritz Patentverwaltung Verfahren und einrichtung zur messung von abständen im bereich des stoffauflaufes einer papiermaschine
FI108885B (fi) * 1998-02-26 2002-04-15 Metso Paper Automation Oy Menetelmä paperin ominaisuuksien mittaamiseksi ja sovitelma paperin mittalaitteen yhteydessä
FI108884B (fi) * 1998-02-26 2002-04-15 Metso Paper Automation Oy Menetelmä ja laitteisto paperin paksuuden mittaamiseksi
US6157034A (en) * 1998-07-02 2000-12-05 Gamma-Metrics Flexible multi-purpose modular assembly for a family of PGNAA bulk material analyzers
US6281679B1 (en) * 1998-12-21 2001-08-28 Honeywell - Measurex Web thickness measurement system
FI114337B (fi) * 2001-07-03 2004-09-30 Metso Automation Oy Menetelmä ja mittalaite liikkuvan rainan ainakin yhden ominaisuuden mittaamiseksi
US6588118B2 (en) 2001-10-10 2003-07-08 Abb Inc. Non-contact sheet sensing system and related method
DE502005003829D1 (de) * 2005-01-13 2008-06-05 Plast Control Gmbh Vorrichtung und Verfahren zur kapazitiven Vermessung von Materialien
WO2008021228A2 (fr) * 2006-08-11 2008-02-21 Thermo Fisher Scientific Inc. ensemble analyseur de matériau en vrac comprENANT des poutres structurelles contenant un matériau de protection contre les rayonnements
TWI325790B (en) * 2007-07-27 2010-06-11 Primax Electronics Ltd Floating detection device for measuring the thickness of a sheet-like article
JP4735630B2 (ja) 2007-09-28 2011-07-27 トヨタ自動車株式会社 自動変速制御装置
US10422038B2 (en) * 2017-03-14 2019-09-24 Eastman Kodak Company Dual gas bearing substrate positioning system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528002A (en) * 1968-01-04 1970-09-08 Conrac Corp Caliper with air bearings for continuously moving sheet material
US3828248A (en) * 1971-01-14 1974-08-06 G Wennerberg Apparatus for measuring a predetermined characteristic of moving sheet material which accommodates both tilting and changes in thickness and vertical location of the material
US3855524A (en) * 1972-09-05 1974-12-17 Industrial Nucleonics Corp Measuring gauge with air bearing and resistant to tilt
US3818327A (en) * 1972-09-05 1974-06-18 Industrial Nucleonics Corp Measuring gauge with support for holding measured sheet and discharging foreign matter
US4107606A (en) * 1976-12-14 1978-08-15 Measurex Corporation Non-contacting electromagnetic thickness gauge for sheet measurement having improved small distance sensitivity
US4107847A (en) * 1977-03-03 1978-08-22 Measurex Corporation Contacting caliper gauge
US4292838A (en) * 1979-11-26 1981-10-06 Measurex Corporation Caliper gauge for the measurement of sheet members over a wide range of thicknesses
US4449398A (en) * 1982-06-24 1984-05-22 Accuray Corporation Sheet property sensor with sheet wrinkle remover
US4791367A (en) * 1987-07-15 1988-12-13 Impact Systems, Inc. Contacting thickness gauge for moving sheet material

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009067803A3 (fr) * 2007-11-27 2009-09-17 Abb Ltd. Stabilisateurs de feuille avec buse d'aspiration comportant une saillie centrale
EP2231925A4 (fr) * 2007-11-27 2012-01-18 Abb Ltd Stabilisateurs de feuille avec buse d'aspiration comportant une saillie centrale
CN101874136B (zh) * 2007-11-27 2014-04-23 Abb有限公司 包括具有中央突起的吸嘴的纸张稳定器
US20150097070A1 (en) * 2007-11-27 2015-04-09 Abb Ltd. Sheet stabilizer with suction nozzle having center protrusion
US9045306B2 (en) 2007-11-27 2015-06-02 Abb Ltd. Sheet stabilizer with suction nozzle having center protrusion

Also Published As

Publication number Publication date
EP0389265A2 (fr) 1990-09-26
EP0389265A3 (fr) 1991-04-03
US4929895A (en) 1990-05-29
FI99162C (fi) 1997-10-10
DE69001770T2 (de) 1993-09-09
FI99162B (fi) 1997-06-30
JPH0317501A (ja) 1991-01-25
CA2012667C (fr) 1996-11-12
FI901439A0 (fi) 1990-03-22
EP0389265B1 (fr) 1993-06-02
JP2941877B2 (ja) 1999-08-30
DE69001770D1 (de) 1993-07-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed