CA929633A - Device for detecting defects in continuous web material - Google Patents

Device for detecting defects in continuous web material

Info

Publication number
CA929633A
CA929633A CA078307A CA78307A CA929633A CA 929633 A CA929633 A CA 929633A CA 078307 A CA078307 A CA 078307A CA 78307 A CA78307 A CA 78307A CA 929633 A CA929633 A CA 929633A
Authority
CA
Canada
Prior art keywords
web material
continuous web
detecting defects
defects
detecting
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
CA078307A
Other versions
CA78307S (en
Inventor
Gertung Kurt
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.)
Dr Ing Rudolf Hell GmbH
Original Assignee
Dr Ing Rudolf Hell GmbH
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 Dr Ing Rudolf Hell GmbH filed Critical Dr Ing Rudolf Hell GmbH
Application granted granted Critical
Publication of CA929633A publication Critical patent/CA929633A/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
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/08—Detecting presence of flaws or irregularities

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)
  • Paper (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA078307A 1969-04-16 1970-03-24 Device for detecting defects in continuous web material Expired CA929633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE6915129U DE6915129U (en) 1969-04-16 1969-04-16 DEVICE FOR DETECTING PINCHES, KNOTS OR SIMILAR DEFECTS IN CONTINUOUS MATERIALS, IN PARTICULAR PAPER

Publications (1)

Publication Number Publication Date
CA929633A true CA929633A (en) 1973-07-03

Family

ID=6601393

Family Applications (1)

Application Number Title Priority Date Filing Date
CA078307A Expired CA929633A (en) 1969-04-16 1970-03-24 Device for detecting defects in continuous web material

Country Status (3)

Country Link
US (1) US3666951A (en)
CA (1) CA929633A (en)
DE (1) DE6915129U (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763373A (en) * 1972-03-15 1973-10-02 Du Pont Defect detector for a moving web
US4319847A (en) * 1979-12-05 1982-03-16 Measurex Corporation Apparatus to measure select properties of a moving sheet with improved standardization means
US4680842A (en) * 1985-08-15 1987-07-21 Automation Associates, Inc. Multiple part simultaneous forming apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1937722A (en) * 1931-08-14 1933-12-05 Simon Alfred Walter Dust and smoke density measuring device
US2592847A (en) * 1948-01-20 1952-04-15 Babicz George Protecting system for photoelectric cells in liquid fuel burner controls
US2944147A (en) * 1955-12-21 1960-07-05 Ibm Xerographic printer
US3105152A (en) * 1959-01-12 1963-09-24 Nash Paul Inspection of sheet materials by photoelectric means
DE1199022B (en) * 1962-06-22 1965-08-19 Paul Nash Photoelectric device for detecting surface elevations, e.g. B. Faeltchen, on moving webs of flat material with a normally smooth surface, z. B. paper
US3327398A (en) * 1963-05-30 1967-06-27 Canada Glazed Papers Ltd Sheet material inspection apparatus
US3514615A (en) * 1967-02-28 1970-05-26 Ivanhoe Research Corp Thread discontinuity and defect detection apparatus

Also Published As

Publication number Publication date
US3666951A (en) 1972-05-30
DE6915129U (en) 1969-09-25

Similar Documents

Publication Publication Date Title
CA973577A (en) Web sensing and guiding apparatus
CA977960A (en) Method and device for drying continuous web material
CA936236A (en) Method and apparatus for measuring stresses in ferromagnetic materials
CA927420A (en) Web supporting device
CA929633A (en) Device for detecting defects in continuous web material
CA949152A (en) Device for the detection of irregularities in a material
CA950986A (en) Device for detecting irregularities in a moving material
CA935693A (en) Web transport apparatus
CA951807A (en) Device for detecting surface defects in a web-like material
AU5695469A (en) Devices for measuring variations in speed
AU1454670A (en) Method and apparatus for detecting holes ina moving web or sheet
CA804201A (en) Automatic measuring and control apparatus for web materials
CA843168A (en) Optical apparatus for detecting defects in moving webs
CA804998A (en) Apparatus for joining weblike material
CA781055A (en) Apparatus for detecting surface elevations in sheet materials
CA701124A (en) Photoelectric apparatus for detecting imperfections in sheet material
AU2188370A (en) Improvements in and relating to detecting apparatus
CA803756A (en) Method for conditioning material in web form
CA816388A (en) Fabric flaw detecting apparatus
CA655582A (en) Means for detecting slackness in moving strip material
CA806429A (en) Apparatus for detecting surface imperfections on moving webs
AU448916B2 (en) Improvements in web slitting apparatus
CA721938A (en) Devices for detecting flaws in fabrics
CA832719A (en) Apparatus for making textured textile material
CA828446A (en) Apparatus for detecting pour point and the like