JPS51150379A - Surface defects detecting device for picking steel plate - Google Patents

Surface defects detecting device for picking steel plate

Info

Publication number
JPS51150379A
JPS51150379A JP7365175A JP7365175A JPS51150379A JP S51150379 A JPS51150379 A JP S51150379A JP 7365175 A JP7365175 A JP 7365175A JP 7365175 A JP7365175 A JP 7365175A JP S51150379 A JPS51150379 A JP S51150379A
Authority
JP
Japan
Prior art keywords
steel plate
detecting device
surface defects
defects detecting
picking steel
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
JP7365175A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5640782B2 (OSRAM
Inventor
Hirotami Toyoda
Teruhisa Komori
Masakazu Fujita
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.)
Nippon Steel Corp
TOEI DENSHI KOGYO KK
Original Assignee
Nippon Steel Corp
TOEI DENSHI KOGYO KK
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 Nippon Steel Corp, TOEI DENSHI KOGYO KK filed Critical Nippon Steel Corp
Priority to JP7365175A priority Critical patent/JPS51150379A/ja
Publication of JPS51150379A publication Critical patent/JPS51150379A/ja
Publication of JPS5640782B2 publication Critical patent/JPS5640782B2/ja
Granted 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
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • 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)
JP7365175A 1975-06-19 1975-06-19 Surface defects detecting device for picking steel plate Granted JPS51150379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7365175A JPS51150379A (en) 1975-06-19 1975-06-19 Surface defects detecting device for picking steel plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7365175A JPS51150379A (en) 1975-06-19 1975-06-19 Surface defects detecting device for picking steel plate

Publications (2)

Publication Number Publication Date
JPS51150379A true JPS51150379A (en) 1976-12-23
JPS5640782B2 JPS5640782B2 (OSRAM) 1981-09-24

Family

ID=13524391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7365175A Granted JPS51150379A (en) 1975-06-19 1975-06-19 Surface defects detecting device for picking steel plate

Country Status (1)

Country Link
JP (1) JPS51150379A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133342A (en) * 1981-02-12 1982-08-18 Sanki Denshi Kogyo Kk Detector for contamination
JPS5842956A (ja) * 1981-09-07 1983-03-12 Hitachi Cable Ltd 平板条片傷検査装置における傷弁別方法および装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196477U (OSRAM) * 1981-06-08 1982-12-13
JPS57196476U (OSRAM) * 1981-06-11 1982-12-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133342A (en) * 1981-02-12 1982-08-18 Sanki Denshi Kogyo Kk Detector for contamination
JPS5842956A (ja) * 1981-09-07 1983-03-12 Hitachi Cable Ltd 平板条片傷検査装置における傷弁別方法および装置

Also Published As

Publication number Publication date
JPS5640782B2 (OSRAM) 1981-09-24

Similar Documents

Publication Publication Date Title
CA1014648A (en) Methods and apparatus for detecting the presence of cracks in a workpiece by the use of stress waves emitted therefrom
JPS6453139A (en) Surface nature measuring apparatus and method
AT354145B (de) Vorrichtung zum zerstoerungsfreien pruefen von metallischen rohlingen auf oberflaechenfehler
JPS51150379A (en) Surface defects detecting device for picking steel plate
FR2375578A1 (fr) Appareil et procede pour inspecter le contour des articles
JPS5365777A (en) Surface defect detector
JPS52138183A (en) Inspecting apparatus for flaw
JPS5271289A (en) Surface inspection device
AT338544B (de) Einrichtung zum erkennen von fehlern in papierbahnen
JPS51136478A (en) Defect inspection device
JPS51128587A (en) Dyeing permeance flaw detector with anti corrosion
JPS51126887A (en) Automatic detection method of surface flaw and the apparatus
JPS51150384A (en) Supersonic wave flaw detecting method for steel pipe
FR2187118A5 (en) Testing glass sheet for defects - using a laser beam injected via the edge of the glass
JPS539186A (en) Discrimination level setter of defect inspecting apparatus
JPS5312377A (en) Inspecting apparatus for surface
JPS528884A (en) No reflow detector unit
JPS53131848A (en) Surface defect detector of photoreceptor
JPS5224554A (en) Surface inspection device
ES506924A0 (es) Perfeccionamientos en un aparato de inspeccion para detectar defectos en objetos.
JPS52119293A (en) Measuring method and apparatus for liberate oil contents from oil-cont ained sludge
JPS52146685A (en) Inspecting apparatus of glass bottle etc.
JPS51147378A (en) Flaw detecting method of steel pieces
JPS5340584A (en) Bottle inspector by elliptically focusing system
JPS53117494A (en) Method and apparatus of detecting defects