BE860444A - Detection de discontinuites dans des nappes de matiere plastique qui defilent - Google Patents

Detection de discontinuites dans des nappes de matiere plastique qui defilent

Info

Publication number
BE860444A
BE860444A BE182321A BE182321A BE860444A BE 860444 A BE860444 A BE 860444A BE 182321 A BE182321 A BE 182321A BE 182321 A BE182321 A BE 182321A BE 860444 A BE860444 A BE 860444A
Authority
BE
Belgium
Prior art keywords
discontinuits
detection
plastic materials
sliding plastic
sliding
Prior art date
Application number
BE182321A
Other languages
English (en)
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Publication of BE860444A publication Critical patent/BE860444A/fr

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
    • G01N21/8901—Optical details; Scanning details

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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Length Measuring Devices By Optical Means (AREA)
BE182321A 1976-11-01 1977-11-03 Detection de discontinuites dans des nappes de matiere plastique qui defilent BE860444A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4527876 1976-11-01

Publications (1)

Publication Number Publication Date
BE860444A true BE860444A (fr) 1978-05-03

Family

ID=10436589

Family Applications (1)

Application Number Title Priority Date Filing Date
BE182321A BE860444A (fr) 1976-11-01 1977-11-03 Detection de discontinuites dans des nappes de matiere plastique qui defilent

Country Status (6)

Country Link
JP (1) JPS5356272A (fr)
BE (1) BE860444A (fr)
DE (1) DE2746808A1 (fr)
FR (1) FR2369560A1 (fr)
LU (1) LU78422A1 (fr)
NL (1) NL7711138A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277177A (en) * 1979-12-05 1981-07-07 Measurex Corporation Apparatus to measure select properties of a moving sheet
US4319847A (en) * 1979-12-05 1982-03-16 Measurex Corporation Apparatus to measure select properties of a moving sheet with improved standardization means
JPS61209345A (ja) * 1985-03-14 1986-09-17 Matsushita Electric Works Ltd 加工孔の検査装置
DE4031633A1 (de) * 1990-10-05 1992-04-16 Sick Optik Elektronik Erwin Optische inspektionsvorrichtung
FI88828C (fi) * 1991-02-06 1993-07-12 Valmet Paper Machinery Inc Foerfarande och anordning vid fotoelektrisk identifiering av en materialbana
DE29502456U1 (de) * 1995-02-15 1995-03-30 Röhm GmbH, 64293 Darmstadt Vorrichtung zur Fehlerkennung an transparenten Kunststofftafeln
DE10158095B4 (de) 2001-05-05 2012-03-22 Lpkf Laser & Electronics Ag Vorrichtung zur Kontrolle einer Schweißnaht in einem aus schweißfähigem Kunststoff bestehenden Werkstück
DE102007025910B4 (de) * 2007-06-01 2013-08-29 Windmöller & Hölscher Kg Hintergrundbeleuchtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3188478A (en) * 1962-01-11 1965-06-08 Melvin J Binks Pinhole detector optical system
DE1573496A1 (de) * 1965-11-20 1970-04-16 Feldmuehle Ag Vorrichtung zur Pruefung und Sortierung von bahn- oder blattfoermigen Erzeugnissen
DE1938083B2 (de) * 1969-07-26 1972-05-10 Mahlo Gmbh, 8424 Saal Verfahren zur automatischen fehlerueberwachung flaechenfoermiger werkstuecke mittels einer anzahl parallel nebeneinander angeordneter abtastsysteme
US3806730A (en) * 1971-10-07 1974-04-23 Nokia Oy Ab Device for radiation measurements on material webs
FR2157041A5 (fr) * 1971-10-15 1973-06-01 Saint Gobain
US3856414A (en) * 1973-01-18 1974-12-24 Paulmar Inc Apparatus for inspecting strip material
DE2325763A1 (de) * 1973-05-21 1974-12-19 Driesen Hans Hermann Vorrichtung zum auffinden insbesondere nadelstichartig kleiner loecher oder poren in vorzugsweise als bahn gefoerdertem material

Also Published As

Publication number Publication date
DE2746808A1 (de) 1978-05-03
NL7711138A (nl) 1978-05-03
LU78422A1 (fr) 1979-02-02
JPS5356272A (en) 1978-05-22
FR2369560A1 (fr) 1978-05-26

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