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GB2005435A - Instrument for determining the distinctness of image of a paint film - Google Patents

Instrument for determining the distinctness of image of a paint film

Info

Publication number
GB2005435A
GB2005435A GB7837996A GB7837996A GB2005435A GB 2005435 A GB2005435 A GB 2005435A GB 7837996 A GB7837996 A GB 7837996A GB 7837996 A GB7837996 A GB 7837996A GB 2005435 A GB2005435 A GB 2005435A
Authority
GB
United Kingdom
Prior art keywords
image
distinctness
instrument
sample
paint film
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
GB7837996A
Other versions
GB2005435B (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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB2005435A publication Critical patent/GB2005435A/en
Application granted granted Critical
Publication of GB2005435B publication Critical patent/GB2005435B/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

A portable instrument quantitatively determining the distinctness of image of a sample paint film by providing comparison of the film with several standard films of known distinctness of image. The instrument displays the sample and one of the standards within an enclosed casing while an image forming pattern is projected simultaneously on both by a light source within the instrument. By changing the standard which is displayed, an observer compares the distinctness of image of the sample with the known values of several standards until a match is found. <IMAGE>
GB7837996A 1977-09-26 1978-09-25 Instrument for determining the distinctness of image of a paint film Expired GB2005435B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83684177A 1977-09-26 1977-09-26

Publications (2)

Publication Number Publication Date
GB2005435A true GB2005435A (en) 1979-04-19
GB2005435B GB2005435B (en) 1982-01-20

Family

ID=25272864

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7837996A Expired GB2005435B (en) 1977-09-26 1978-09-25 Instrument for determining the distinctness of image of a paint film

Country Status (7)

Country Link
JP (1) JPS5930212B2 (en)
BE (1) BE870731A (en)
CA (1) CA1110873A (en)
DE (1) DE2841912A1 (en)
FR (1) FR2404216A1 (en)
GB (1) GB2005435B (en)
IT (1) IT1099195B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE535296C (en) * 1930-05-03 1931-10-08 Schmidt & Haensch Franz Device for determining the gloss of any type of surface
DE1126156B (en) * 1958-02-03 1962-03-22 Wiederhold Fa Hermann Method and device for measuring the specular gloss of surfaces, in particular of paints
DE1831420U (en) * 1959-06-08 1961-05-18 Michael Huber Farbenfabrik DEVICE FOR CHECKING AND DETERMINING THE GLOSS OF PRINTED AND UNPRINTED PRINT CARRIERS.
DE1913113U (en) * 1964-12-02 1965-04-01 Fritz Hellige & Co G M B H Fab DEVICE FOR VISUAL COLORIMETRY.
AT296641B (en) * 1967-10-11 1972-02-25 Mini Ind Constructillor Method for determining the surface quality of a test object and device for carrying out the method
DE2230277A1 (en) * 1972-06-21 1974-01-10 Basf Farben & Fasern DEVICE AND METHOD FOR QUANTITATIVE EVALUATION OF THE SURFACE CONDITION
FR2258617A1 (en) * 1974-01-17 1975-08-18 Peugeot & Renault Motor vehicle paintwork inspection process - uses observation of reflected grid lines on photographic film
DE7622239U1 (en) * 1976-07-14 1976-12-23 Tintometer Gmbh, 4600 Dortmund COLOR COMPARATOR
JPH0734457Y2 (en) * 1993-06-14 1995-08-02 久夫 中須 Pole

Also Published As

Publication number Publication date
DE2841912A1 (en) 1979-04-12
IT7828112A0 (en) 1978-09-26
BE870731A (en) 1979-03-26
GB2005435B (en) 1982-01-20
FR2404216B1 (en) 1983-11-25
CA1110873A (en) 1981-10-20
IT1099195B (en) 1985-09-18
FR2404216A1 (en) 1979-04-20
JPS5930212B2 (en) 1984-07-25
JPS5463881A (en) 1979-05-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee