JPS51113784A - Quality grading method of sheet type materials - Google Patents

Quality grading method of sheet type materials

Info

Publication number
JPS51113784A
JPS51113784A JP50038673A JP3867375A JPS51113784A JP S51113784 A JPS51113784 A JP S51113784A JP 50038673 A JP50038673 A JP 50038673A JP 3867375 A JP3867375 A JP 3867375A JP S51113784 A JPS51113784 A JP S51113784A
Authority
JP
Japan
Prior art keywords
quality grading
sheet type
type materials
grading method
quality
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
JP50038673A
Other languages
Japanese (ja)
Other versions
JPS5717251B2 (en
Inventor
Kaoru Takasuka
Masataku Takahashi
Sadaji Nishimura
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP50038673A priority Critical patent/JPS51113784A/en
Publication of JPS51113784A publication Critical patent/JPS51113784A/en
Publication of JPS5717251B2 publication Critical patent/JPS5717251B2/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)

Abstract

PURPOSE:Quality grading method which enables the accurate quality grading of sheet type materials by means of cumulatively detecting by type of defect together with adding weight on it.
JP50038673A 1975-03-31 1975-03-31 Quality grading method of sheet type materials Granted JPS51113784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50038673A JPS51113784A (en) 1975-03-31 1975-03-31 Quality grading method of sheet type materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50038673A JPS51113784A (en) 1975-03-31 1975-03-31 Quality grading method of sheet type materials

Publications (2)

Publication Number Publication Date
JPS51113784A true JPS51113784A (en) 1976-10-07
JPS5717251B2 JPS5717251B2 (en) 1982-04-09

Family

ID=12531781

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50038673A Granted JPS51113784A (en) 1975-03-31 1975-03-31 Quality grading method of sheet type materials

Country Status (1)

Country Link
JP (1) JPS51113784A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254485A (en) * 1975-10-29 1977-05-02 Asahi Chemical Ind Method of grading quality of sheet

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS437596Y1 (en) * 1964-06-16 1968-04-04
JPS49139643U (en) * 1973-03-23 1974-12-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS437596Y1 (en) * 1964-06-16 1968-04-04
JPS49139643U (en) * 1973-03-23 1974-12-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254485A (en) * 1975-10-29 1977-05-02 Asahi Chemical Ind Method of grading quality of sheet
JPS5717252B2 (en) * 1975-10-29 1982-04-09

Also Published As

Publication number Publication date
JPS5717251B2 (en) 1982-04-09

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