GB476803A - - Google Patents

Info

Publication number
GB476803A
GB476803A GB476803DA GB476803A GB 476803 A GB476803 A GB 476803A GB 476803D A GB476803D A GB 476803DA GB 476803 A GB476803 A GB 476803A
Authority
GB
United Kingdom
Prior art keywords
wall
tube
nose part
ring
light
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
Other languages
English (en)
Publication date
Publication of GB476803A publication Critical patent/GB476803A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB476803D Expired GB476803A (cs)

Publications (1)

Publication Number Publication Date
GB476803A true GB476803A (cs) 1900-01-01

Family

ID=1747091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB476803D Expired GB476803A (cs)

Country Status (1)

Country Link
GB (1) GB476803A (cs)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE895534C (de) * 1951-06-01 1953-11-02 Oswald Dipl-Ing Slickers Geraet zur Beobachtung von Spinnduesen
DE969651C (de) * 1952-07-01 1958-07-03 Goebel Gmbh Maschf Vorrichtung zum photoelektrischen Abtasten von Markierungen, insbesondere auf laufenden Papierbahnen von Druckmaschinen
US4082458A (en) * 1975-09-08 1978-04-04 Fuji Photo Film Co., Ltd. Densitometer
US4561776A (en) * 1981-03-25 1985-12-31 Diffracto Ltd. Electro-optical sensors for tool and robotic inspection
US4659221A (en) * 1984-03-26 1987-04-21 General Electric Company Endoscope

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE895534C (de) * 1951-06-01 1953-11-02 Oswald Dipl-Ing Slickers Geraet zur Beobachtung von Spinnduesen
DE969651C (de) * 1952-07-01 1958-07-03 Goebel Gmbh Maschf Vorrichtung zum photoelektrischen Abtasten von Markierungen, insbesondere auf laufenden Papierbahnen von Druckmaschinen
US4082458A (en) * 1975-09-08 1978-04-04 Fuji Photo Film Co., Ltd. Densitometer
US4561776A (en) * 1981-03-25 1985-12-31 Diffracto Ltd. Electro-optical sensors for tool and robotic inspection
US4659221A (en) * 1984-03-26 1987-04-21 General Electric Company Endoscope

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