GB1507702A - Measuring the surface roughness of a moving sheet materia - Google Patents

Measuring the surface roughness of a moving sheet materia

Info

Publication number
GB1507702A
GB1507702A GB15340/75A GB1534075A GB1507702A GB 1507702 A GB1507702 A GB 1507702A GB 15340/75 A GB15340/75 A GB 15340/75A GB 1534075 A GB1534075 A GB 1534075A GB 1507702 A GB1507702 A GB 1507702A
Authority
GB
United Kingdom
Prior art keywords
signal
web
roughness
signals
photo
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.)
Expired
Application number
GB15340/75A
Other languages
English (en)
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.)
Domtar Inc
Original Assignee
Domtar Inc
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 Domtar Inc filed Critical Domtar Inc
Publication of GB1507702A publication Critical patent/GB1507702A/en
Expired 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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/09—Uses for paper making sludge
    • Y10S162/10—Computer control of paper making variables

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB15340/75A 1974-04-16 1975-04-15 Measuring the surface roughness of a moving sheet materia Expired GB1507702A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA197,731A CA1014638A (en) 1974-04-16 1974-04-16 Measuring the surface roughness of a moving sheet material

Publications (1)

Publication Number Publication Date
GB1507702A true GB1507702A (en) 1978-04-19

Family

ID=4099727

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15340/75A Expired GB1507702A (en) 1974-04-16 1975-04-15 Measuring the surface roughness of a moving sheet materia

Country Status (6)

Country Link
US (1) US4019066A (cg-RX-API-DMAC7.html)
JP (1) JPS50146366A (cg-RX-API-DMAC7.html)
CA (1) CA1014638A (cg-RX-API-DMAC7.html)
FI (1) FI751094A7 (cg-RX-API-DMAC7.html)
GB (1) GB1507702A (cg-RX-API-DMAC7.html)
SE (1) SE7504333L (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130602A (en) * 1982-11-24 1984-06-06 Stc Plc Electroplating electrical contacts
EP0134996A1 (en) * 1983-07-13 1985-03-27 Kabushiki Kaisha Toshiba An apparatus for detecting the flatness of a paper sheet

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072425A (en) * 1976-08-09 1978-02-07 The United States Of America As Represented By The Secretary Of The Army Method of indicating the relative roughness of a surface
US4270252A (en) * 1978-01-03 1981-06-02 Allied Chemical Corporation Apparatus to count and control crimps in a moving tow of yarn
CA1089551A (en) * 1978-06-27 1980-11-11 John M. Lucas Graininess sensor
US4169756A (en) * 1978-07-17 1979-10-02 Westvaco Corporation Apparatus for determining the surface abrasiveness of a paper machine web
US4253913A (en) * 1979-05-24 1981-03-03 Westvaco Corporation Method for determining the surface abrasiveness of a paper machine web
US4252443A (en) * 1979-08-09 1981-02-24 Domtar Inc. Blackening sensor
IL58559A (en) * 1979-10-25 1983-03-31 Porath Furedi Asher Method and apparatus for measuring the motility of sperm cells
US4274746A (en) * 1980-02-04 1981-06-23 Fiber Industries, Inc. Method and apparatus for optically measuring crimp frequency
US4402607A (en) * 1980-05-16 1983-09-06 Gca Corporation Automatic detector for microscopic dust on large-area, optically unpolished surfaces
US4490618A (en) * 1982-04-12 1984-12-25 Canadian Patents & Development Limited Optical system for analyzing the surface of a fibrous web
JPS59185609U (ja) * 1983-05-30 1984-12-10 株式会社安川電機 表面あらさ測定装置
CA1222319A (en) * 1985-05-16 1987-05-26 Cip Inc. Apparatus for analysing the formation of a paper web
US4659937A (en) * 1985-11-12 1987-04-21 Canadian Patents And Development Limited Optical device for measuring the diameter and detecting surface defects of moving wire
US4760271A (en) * 1986-03-25 1988-07-26 Champion International Corporation Apparatus and process for measuring formation and roughness of a paper web
US5243407A (en) * 1986-11-12 1993-09-07 Measurex Corporation On-line paper sheet formation characterizing method and device
FR2620823B1 (fr) * 1987-09-17 1990-08-17 Centre Tech Ind Papier Dispositif pour determiner en continu un indice d'etat de surface d'un materiau en feuille en mouvement
US4857747A (en) * 1988-02-24 1989-08-15 Albany International Corporation Method and apparatus for analyzing the formation of a web of material via generating a formation index
US5083867A (en) * 1988-11-28 1992-01-28 Allegheny Ludlum Corporation Slab surface contour monitor
US4999488A (en) * 1990-01-29 1991-03-12 Milliken Research Corporation Method to continuously count the courses or picks of a moving fabric
FI88828C (fi) * 1991-02-06 1993-07-12 Valmet Paper Machinery Inc Foerfarande och anordning vid fotoelektrisk identifiering av en materialbana
US5162660A (en) * 1991-06-27 1992-11-10 Macmillan Bloedel Limited Paper roughness or glass sensor using polarized light reflection
US5229835A (en) * 1991-08-07 1993-07-20 Hughes Aircraft Company Optical monitoring
US5179425A (en) * 1991-08-07 1993-01-12 Hughes Aircraft Company Hand held paint inspection meter
US5373365A (en) * 1992-12-23 1994-12-13 Eastman Kodak Company Apparatus and method for measuring particle contamination
US5686720A (en) * 1995-03-02 1997-11-11 Hewlett Packard Company Method and device for achieving high contrast surface illumination
US5654799A (en) * 1995-05-05 1997-08-05 Measurex Corporation Method and apparatus for measuring and controlling the surface characteristics of sheet materials such as paper
US5768471A (en) * 1995-12-06 1998-06-16 Viratec Thin Films, Inc. Optical analyzer for measuring reflectivity of moving substrate
US5960374A (en) * 1997-02-14 1999-09-28 International Paper Company System for time synchronous monitoring of product quality variable
US6697152B2 (en) * 1999-05-12 2004-02-24 John Samuel Batchelder Surface cleaning and particle counting
US6900824B2 (en) * 2001-10-29 2005-05-31 Neopost Industrie Sa Print technology based on high energy beams
US6567720B1 (en) 2001-04-20 2003-05-20 Kerry D. Figiel Method and apparatus for time synchronized measurement correction of multidimensional periodic effects on a moving web
AU2002307046A1 (en) 2002-04-02 2003-10-20 Convey Technology Incorporated Surface cleaning and particle counting
FI20020890A7 (fi) 2002-05-10 2003-11-11 Antti Niemi Menetelmä ja laitteisto vesirajan määrittämiseksi ja vesirajaan perustuvaksi ohjaamiseksi Fourdrinier-paperikoneessa
EP1668316B1 (en) 2003-09-16 2010-12-22 Paper Australia PTY Ltd. Sheet-surface analyser and method of analysing a sheet-surface
US8103164B2 (en) * 2004-08-31 2012-01-24 Finisar Corporation High frequency noise measurement board
US7460233B2 (en) * 2005-11-08 2008-12-02 Honeywell International Inc. Pass-line and tilt insensitive sensor
US9591304B2 (en) * 2011-11-08 2017-03-07 Tektronix, Inc. Evaluation of perceptual visual quality
US9540769B2 (en) 2013-03-11 2017-01-10 International Paper Company Method and apparatus for measuring and removing rotational variability from a nip pressure profile of a covered roll of a nip press
US10378980B2 (en) 2014-05-02 2019-08-13 International Paper Company Method and system associated with a sensing roll and a mating roll for collecting roll data
US9797788B2 (en) 2014-05-02 2017-10-24 International Paper Company Method and system associated with a sensing roll including pluralities of sensors and a mating roll for collecting roll data
US9804044B2 (en) 2014-05-02 2017-10-31 International Paper Company Method and system associated with a sensing roll and a mating roll for collecting data including first and second sensor arrays
WO2016094827A1 (en) * 2014-12-12 2016-06-16 Velo3D, Inc. Feedback control systems for three-dimensional printing
JP6531381B2 (ja) * 2014-12-15 2019-06-19 セイコーエプソン株式会社 シート製造装置及びシート製造方法
US9816232B2 (en) 2015-06-10 2017-11-14 International Paper Company Monitoring upstream machine wires and felts
US9696226B2 (en) 2015-06-10 2017-07-04 International Paper Company Count-based monitoring machine wires and felts
US10370795B2 (en) 2015-06-10 2019-08-06 International Paper Company Monitoring applicator rods and applicator rod nips
US9534970B1 (en) 2015-06-10 2017-01-03 International Paper Company Monitoring oscillating components
US9863827B2 (en) 2015-06-10 2018-01-09 International Paper Company Monitoring machine wires and felts
US9677225B2 (en) 2015-06-10 2017-06-13 International Paper Company Monitoring applicator rods
US11691343B2 (en) 2016-06-29 2023-07-04 Velo3D, Inc. Three-dimensional printing and three-dimensional printers
WO2018064349A1 (en) 2016-09-30 2018-04-05 Velo3D, Inc. Three-dimensional objects and their formation
ES2738204A1 (es) * 2018-07-18 2020-01-20 Gonzalez Asier Miguel Elejoste Rugosimetro sin contacto y metodo para la medicion de rugosidad
CA3148849A1 (en) 2019-07-26 2021-02-04 Velo3D, Inc. Quality assurance in formation of three-dimensional objects
EP4439062A3 (en) * 2019-11-06 2024-12-18 Uster Technologies AG Apparatus and method for optically characterizing a textile sample

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947212A (en) * 1956-04-30 1960-08-02 American Brass Co Method of detecting surface conditions of sheet metal
NL282725A (cg-RX-API-DMAC7.html) * 1961-09-05
NL6600413A (cg-RX-API-DMAC7.html) * 1965-01-18 1966-08-25
GB1143799A (cg-RX-API-DMAC7.html) * 1966-03-21 1900-01-01
US3436556A (en) * 1966-03-24 1969-04-01 Sperry Rand Corp Optical inspection system
US3591291A (en) * 1969-05-26 1971-07-06 Conductron Corp Method and apparatus for sensing reflected light and diffused light from a surface to indicate the roughness of said surface

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130602A (en) * 1982-11-24 1984-06-06 Stc Plc Electroplating electrical contacts
EP0134996A1 (en) * 1983-07-13 1985-03-27 Kabushiki Kaisha Toshiba An apparatus for detecting the flatness of a paper sheet

Also Published As

Publication number Publication date
FI751094A7 (cg-RX-API-DMAC7.html) 1975-10-17
SE7504333L (sv) 1975-10-17
JPS50146366A (cg-RX-API-DMAC7.html) 1975-11-25
US4019066A (en) 1977-04-19
CA1014638A (en) 1977-07-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee