IT1269734B - 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 - Google Patents

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

Info

Publication number
IT1269734B
IT1269734B ITMI940915A ITMI940915A IT1269734B IT 1269734 B IT1269734 B IT 1269734B IT MI940915 A ITMI940915 A IT MI940915A IT MI940915 A ITMI940915 A IT MI940915A IT 1269734 B IT1269734 B IT 1269734B
Authority
IT
Italy
Prior art keywords
push
operated
thickness
direct contact
line measurement
Prior art date
Application number
ITMI940915A
Other languages
English (en)
Inventor
Marziano Sgro'
Original Assignee
Aeonic Syst Italia Srl
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 Aeonic Syst Italia Srl filed Critical Aeonic Syst Italia Srl
Priority to ITMI940915A priority Critical patent/IT1269734B/it
Publication of ITMI940915A0 publication Critical patent/ITMI940915A0/it
Priority to DE69511402T priority patent/DE69511402T2/de
Priority to PCT/IT1995/000067 priority patent/WO1995030877A1/en
Priority to US08/737,046 priority patent/US5770949A/en
Priority to EP95918142A priority patent/EP0759147B1/en
Priority to CA002189344A priority patent/CA2189344A1/en
Publication of ITMI940915A1 publication Critical patent/ITMI940915A1/it
Application granted granted Critical
Publication of IT1269734B publication Critical patent/IT1269734B/it

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
    • G01B7/02—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
    • G01B2210/62—Support for workpiece air film or bearing with positive or negative pressure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
ITMI940915A 1994-05-10 1994-05-10 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 IT1269734B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ITMI940915A IT1269734B (it) 1994-05-10 1994-05-10 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
DE69511402T DE69511402T2 (de) 1994-05-10 1995-05-05 Vorrichtung zum on-line messen der dicke einer kontinuierlich erzeugten folie
PCT/IT1995/000067 WO1995030877A1 (en) 1994-05-10 1995-05-05 Device for on-line measuring of the thickness of a continuously produced sheet
US08/737,046 US5770949A (en) 1994-05-10 1995-05-05 Device for on-line measuring of the thickness of a continuously produced sheet
EP95918142A EP0759147B1 (en) 1994-05-10 1995-05-05 Device for on-line measuring of the thickness of a continuously produced sheet
CA002189344A CA2189344A1 (en) 1994-05-10 1995-05-05 Device for on-line measuring of the thickness of a continuously produced sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI940915A IT1269734B (it) 1994-05-10 1994-05-10 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

Publications (3)

Publication Number Publication Date
ITMI940915A0 ITMI940915A0 (it) 1994-05-10
ITMI940915A1 ITMI940915A1 (it) 1995-11-10
IT1269734B true IT1269734B (it) 1997-04-15

Family

ID=11368866

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI940915A IT1269734B (it) 1994-05-10 1994-05-10 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

Country Status (6)

Country Link
US (1) US5770949A (it)
EP (1) EP0759147B1 (it)
CA (1) CA2189344A1 (it)
DE (1) DE69511402T2 (it)
IT (1) IT1269734B (it)
WO (1) WO1995030877A1 (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI108884B (fi) * 1998-02-26 2002-04-15 Metso Paper Automation Oy Menetelmä ja laitteisto paperin paksuuden mittaamiseksi
FI108885B (fi) 1998-02-26 2002-04-15 Metso Paper Automation Oy Menetelmä paperin ominaisuuksien mittaamiseksi ja sovitelma paperin mittalaitteen yhteydessä
DE19913928B4 (de) * 1999-03-26 2015-06-11 Voith Patent Gmbh Vorrichtung zum Bestimmen von Eigenschaften einer laufenden Materialbahn
DE10004612A1 (de) * 2000-02-03 2001-05-17 Siemens Ag Einrichtung zum berührungslosen Messen von Eigenschaften einer bewegten Materialbahn aus Papier oder Pappe
US6586930B1 (en) 2000-04-28 2003-07-01 Quantum Magnetics, Inc. Material thickness measurement using magnetic information
US6220080B1 (en) * 2000-05-12 2001-04-24 Sigma Tech, Inc. Extended range and ultra precision non contact dimensional gauge for ultra thin wafers and work pieces
DE10361161A1 (de) * 2003-12-22 2005-07-21 Voith Paper Patent Gmbh Messvorrichtung
DE10361160A1 (de) * 2003-12-22 2005-07-21 Voith Paper Patent Gmbh Messvorrichtung
SE527204C2 (sv) * 2004-05-28 2006-01-17 Daprox Ab Mätanordning och förfarande
ITPG20070034A1 (it) * 2007-04-13 2008-10-14 Francesco Orfei Apparato e metodo per la rilevazione ed il conteggio di fogli e prodotti laminati.
EP2112462A1 (de) * 2008-04-25 2009-10-28 Müller Martini Holding AG Messvorrichtung zum Messen der Dicke von Druckprodukten
CN102030600B (zh) * 2010-11-09 2012-05-23 湖北帅力化工有限公司 一种导爆索制索机的探头
DE102010063232A1 (de) * 2010-12-16 2012-06-21 Voith Patent Gmbh Vorrichtung und Verfahren zur Flächengewichtsbestimmung
KR101990863B1 (ko) * 2018-01-31 2019-06-19 문상호 비접촉식 두께 측정장치
US11519710B2 (en) * 2020-02-26 2022-12-06 Honeywell Limited High accuracy and high stability magnetic displacement sensor in the presence of electromagnetic interferences
CN114518071B (zh) * 2022-03-29 2022-12-16 南通京阳机械科技有限公司 一种模具加工用手持测量设备

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
US3855524A (en) * 1972-09-05 1974-12-17 Industrial Nucleonics Corp Measuring gauge with air bearing and resistant to tilt
US4434649A (en) * 1981-04-20 1984-03-06 Accuray Corporation Gauge having a surface follower with peripheral vent
US4450404A (en) * 1981-10-26 1984-05-22 Accuray Corporation Pneumatic surface follower with negative feedback of a variable force counteracting the levitating force
SE434997B (sv) * 1983-01-12 1984-08-27 Per Roode Berglund Anordning for metning av tjockleken av en rorlig bana
US4929895A (en) * 1989-03-22 1990-05-29 Impact Systems, Inc. Thickness gauge for moving sheet material with inner and outer flexibly mounted bearings
US5243849A (en) * 1990-03-30 1993-09-14 Process Automation Business, Inc. On-line caliper gauge
DE4011646A1 (de) * 1990-04-11 1991-10-24 Micro Epsilon Messtechnik Dickenmesseinrichtung
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

Also Published As

Publication number Publication date
CA2189344A1 (en) 1995-11-16
DE69511402T2 (de) 1999-11-25
EP0759147A1 (en) 1997-02-26
ITMI940915A1 (it) 1995-11-10
ITMI940915A0 (it) 1994-05-10
EP0759147B1 (en) 1999-08-11
US5770949A (en) 1998-06-23
DE69511402D1 (de) 1999-09-16
WO1995030877A1 (en) 1995-11-16

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970528