IT7919343A0 - SPECTROPHOTOMETRIC DEVICE WITH TWO WAVELENGTHS FOR THE EXAMINATION OF THE CONTENTS OF CONTAINERS IN PARTICULAR FOR THE DETECTION OF LEAKS IN CONTAINERS. - Google Patents

SPECTROPHOTOMETRIC DEVICE WITH TWO WAVELENGTHS FOR THE EXAMINATION OF THE CONTENTS OF CONTAINERS IN PARTICULAR FOR THE DETECTION OF LEAKS IN CONTAINERS.

Info

Publication number
IT7919343A0
IT7919343A0 IT7919343A IT1934379A IT7919343A0 IT 7919343 A0 IT7919343 A0 IT 7919343A0 IT 7919343 A IT7919343 A IT 7919343A IT 1934379 A IT1934379 A IT 1934379A IT 7919343 A0 IT7919343 A0 IT 7919343A0
Authority
IT
Italy
Prior art keywords
containers
leaks
wavelengths
examination
contents
Prior art date
Application number
IT7919343A
Other languages
Italian (it)
Other versions
IT1110820B (en
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of IT7919343A0 publication Critical patent/IT7919343A0/en
Application granted granted Critical
Publication of IT1110820B publication Critical patent/IT1110820B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/38—Investigating fluid-tightness of structures by using 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
    • G01N21/17—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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (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 Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
IT19343/79A 1978-01-16 1979-01-16 TWO-LENGTH SPECTROPHOTOMETRIC DEVICE FOR THE EXAMINATION OF THE CONTENT OF CONTAINERS IN PARTICULAR FOR THE DETECTION OF LEAKS IN CONTAINERS IT1110820B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86955478A 1978-01-16 1978-01-16

Publications (2)

Publication Number Publication Date
IT7919343A0 true IT7919343A0 (en) 1979-01-16
IT1110820B IT1110820B (en) 1986-01-06

Family

ID=25353782

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19343/79A IT1110820B (en) 1978-01-16 1979-01-16 TWO-LENGTH SPECTROPHOTOMETRIC DEVICE FOR THE EXAMINATION OF THE CONTENT OF CONTAINERS IN PARTICULAR FOR THE DETECTION OF LEAKS IN CONTAINERS

Country Status (6)

Country Link
JP (1) JPS54133183A (en)
CH (1) CH639489A5 (en)
DE (1) DE2901361A1 (en)
FR (1) FR2414724A1 (en)
GB (1) GB2012418B (en)
IT (1) IT1110820B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211635A (en) * 1982-06-03 1983-12-09 Eisai Co Ltd Defective article inspector by 3-wavelength spectrophotometry
DE10347600A1 (en) * 2003-10-14 2005-05-25 Görlach, Bernd, Dr. Diesel engine leak detection procedure uses spectroscopically detectable anthraquinone dye introduced into one of two separate fluids
JP5591849B2 (en) * 2012-03-09 2014-09-17 株式会社 日立産業制御ソリューションズ Foreign matter inspection device, foreign matter inspection program, foreign matter inspection method
CN109469836A (en) * 2018-11-09 2019-03-15 成都信息工程大学 Device, method and the computer readable storage medium of intelligent gas leakage detection and anti-leak

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479743A (en) * 1947-04-24 1949-08-23 Flemmon P Hall Leak indicator for sealed receptacles
DE1212743B (en) * 1963-05-20 1966-03-17 Hartmann & Braun Ag Photometer with beam splitting
US3707030A (en) * 1970-10-20 1972-12-26 Hunter Associates Lab Inc Method of making fiber light-pipe diffuser for colorimeters
US3721501A (en) * 1971-01-04 1973-03-20 Owens Illinois Inc Method and apparatus for monitoring surface coatings
US3737239A (en) * 1971-07-16 1973-06-05 Hoffmann La Roche Machine color recognition
DE2206633C3 (en) * 1972-02-11 1981-01-08 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Device for identifying colors
FR2276581A1 (en) * 1974-06-27 1976-01-23 Kolikovitcher Irene APPARATUS FOR MONITORING PHARMACEUTICAL BULBS
DE2533873C3 (en) * 1975-07-29 1979-01-25 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Device for recognizing bottle colors
JPS5332062U (en) * 1976-08-26 1978-03-20
JPS547471A (en) * 1977-06-20 1979-01-20 Matsushita Electric Works Ltd Production of decorative laminate
JPS554255A (en) * 1978-06-28 1980-01-12 Akebono Brake Ind Co Ltd Tandem master cylinder

Also Published As

Publication number Publication date
CH639489A5 (en) 1983-11-15
FR2414724A1 (en) 1979-08-10
GB2012418B (en) 1982-07-21
FR2414724B1 (en) 1984-04-27
JPS54133183A (en) 1979-10-16
GB2012418A (en) 1979-07-25
IT1110820B (en) 1986-01-06
DE2901361A1 (en) 1979-07-19

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