DE69217644D1 - Überwachung eines Films - Google Patents

Überwachung eines Films

Info

Publication number
DE69217644D1
DE69217644D1 DE69217644T DE69217644T DE69217644D1 DE 69217644 D1 DE69217644 D1 DE 69217644D1 DE 69217644 T DE69217644 T DE 69217644T DE 69217644 T DE69217644 T DE 69217644T DE 69217644 D1 DE69217644 D1 DE 69217644D1
Authority
DE
Germany
Prior art keywords
movie
monitoring
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 - Lifetime
Application number
DE69217644T
Other languages
English (en)
Other versions
DE69217644T2 (de
Inventor
Robert L Wetegrove
Rodney H Banks
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.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of DE69217644D1 publication Critical patent/DE69217644D1/de
Publication of DE69217644T2 publication Critical patent/DE69217644T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01B11/02—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
    • G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0612—Optical scan of the deposits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0637—Moving support
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0053—Investigating dispersion of solids in liquids, e.g. trouble
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • 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
    • G01N21/85—Investigating moving fluids or granular solids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69217644T 1992-02-27 1992-12-15 Überwachung eines Films Expired - Lifetime DE69217644T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/842,655 US5264917A (en) 1992-02-27 1992-02-27 Monitoring of film formers

Publications (2)

Publication Number Publication Date
DE69217644D1 true DE69217644D1 (de) 1997-04-03
DE69217644T2 DE69217644T2 (de) 1997-07-10

Family

ID=25287913

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69217644T Expired - Lifetime DE69217644T2 (de) 1992-02-27 1992-12-15 Überwachung eines Films

Country Status (3)

Country Link
US (1) US5264917A (de)
EP (1) EP0557652B1 (de)
DE (1) DE69217644T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5646338A (en) * 1994-07-20 1997-07-08 Betzdearborn Inc. Deposition sensing method and apparatus
US5796478A (en) * 1997-07-25 1998-08-18 Nalco Chemical Company Monitoring of film forming living desposits
US6405929B1 (en) 1998-05-29 2002-06-18 Hand Held Products, Inc. Material detection systems for security documents
DE19947651C2 (de) * 1999-10-04 2003-07-24 Branimir Saftic Vorrichtung zur Bestimmung einer Ablagerung biologischen Materials auf einer Oberfläche einer Meßzelle
US6405582B1 (en) 2000-06-15 2002-06-18 Hercules Incorporated Biosensor and deposit sensor for monitoring biofilm and other deposits
EP1690079A1 (de) * 2003-12-05 2006-08-16 University of Pretoria Verfahren und vorrichtung zur überwachung der biofilmbildung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489286A (en) * 1946-05-17 1949-11-29 Specialties Dev Corp Dust collecting and optical measuring device
US2562901A (en) * 1948-05-13 1951-08-07 Karl A Fischer Apparatus for determining paraffin percentages
US2898803A (en) * 1956-10-17 1959-08-11 Eastman Kodak Co Dust meter
JPS602614B2 (ja) * 1976-08-06 1985-01-23 コニカ株式会社 液体濃度検出装置
JPS5329192A (en) * 1976-08-30 1978-03-18 Canon Inc Concentration detecting method and apparatus of powder substances
FR2569475B3 (fr) * 1984-08-24 1986-09-05 Sacilor Procede et dispositif de mesure de la pollution d'un fluide
US4676883A (en) * 1986-03-03 1987-06-30 Sierracin Corporation Optical disk transmission monitor for deposited films
FR2621692B1 (fr) * 1987-10-09 1990-06-22 Lyonnaise Eaux Procede et appareil de detection des modifications d'un etat de surface et de controle de celui-ci
DE3743684A1 (de) * 1987-12-23 1989-07-06 Draegerwerk Ag Vorrichtung zur messung der konzentration gas- bzw. dampffoermiger bestandteile eines fluidgemisches
US4998141A (en) * 1990-08-31 1991-03-05 Eastman Kodak Company Electret toner concentration monitor

Also Published As

Publication number Publication date
EP0557652B1 (de) 1997-02-26
US5264917A (en) 1993-11-23
EP0557652A1 (de) 1993-09-01
DE69217644T2 (de) 1997-07-10

Similar Documents

Publication Publication Date Title
DE69429273D1 (de) Dipergierbarer film
DE69315617D1 (de) Zusammenbau eines Bandes
DE69430952D1 (de) Wiederverwendbares klebebandsystem
DE69333685D1 (de) Photographischer Film
NO931893D0 (no) Tetningsorgan
MX164242B (es) Carrete de pelicula
DE69310708D1 (de) Dichtungsband
DE69217644D1 (de) Überwachung eines Films
DE69216781D1 (de) Filmkassette
ITMI920115A1 (it) Procedimento per avvolgere un nastro di pellicola di plastica su un cannello di avvolgimento
KR940020634U (ko) 권취용 허브에 필름을 권취시키기 위한 장치
DE69305924T2 (de) Film zum Umhüllen eines Kassettengehäuses
DE59400281D1 (de) Antikopierfilm
DE69415407T2 (de) Mehrlagige Verpackungsfilme
DE69322670D1 (de) Polymerfilme
DE69423572T2 (de) Vorrichtung zum kontinuierlichen Filmwickeln
DE69229011D1 (de) Filmkassette
NO921102D0 (no) Anordning for utskifting av en svivel
DE9410017U1 (de) Antikopierfilm
DE69401670T2 (de) Dichtungsband
KR950021082U (ko) 보호필름 릴장치
KR930022161U (ko) 사용여부 판별기가 부착된 필름
DE69312761D1 (de) Photographischer Film
DE59302773D1 (de) Verpackung für fotografische Filme
DE9409532U1 (de) Antikopierfilm

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R071 Expiry of right

Ref document number: 557652

Country of ref document: EP