EP0440881A3 - Method for the optoelectronic monitoring of thread-shaped materials - Google Patents

Method for the optoelectronic monitoring of thread-shaped materials Download PDF

Info

Publication number
EP0440881A3
EP0440881A3 EP19900118974 EP90118974A EP0440881A3 EP 0440881 A3 EP0440881 A3 EP 0440881A3 EP 19900118974 EP19900118974 EP 19900118974 EP 90118974 A EP90118974 A EP 90118974A EP 0440881 A3 EP0440881 A3 EP 0440881A3
Authority
EP
European Patent Office
Prior art keywords
thread
shaped materials
optoelectronic monitoring
optoelectronic
monitoring
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.)
Ceased
Application number
EP19900118974
Other languages
German (de)
Other versions
EP0440881A2 (en
Inventor
Lutz Prager
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.)
GROSSENHAINER TEXTILMASCHINENBAU GmbH
Original Assignee
GROSSENHAINER TEXTILMASCHINENBAU 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 GROSSENHAINER TEXTILMASCHINENBAU GmbH filed Critical GROSSENHAINER TEXTILMASCHINENBAU GmbH
Publication of EP0440881A2 publication Critical patent/EP0440881A2/en
Publication of EP0440881A3 publication Critical patent/EP0440881A3/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/028—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element
    • B65H63/032—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic
    • B65H63/0321—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators
    • B65H63/0324—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators using photo-electric sensing means, i.e. the defect signal is a variation of light energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP19900118974 1990-02-08 1990-10-04 Method for the optoelectronic monitoring of thread-shaped materials Ceased EP0440881A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD33767190A DD292076A5 (en) 1990-02-08 1990-02-08 METHOD FOR OPTO ELECTRONIC MONITORING OF THREADED FIBER MATERIALS
DD337671 1990-02-08

Publications (2)

Publication Number Publication Date
EP0440881A2 EP0440881A2 (en) 1991-08-14
EP0440881A3 true EP0440881A3 (en) 1992-07-08

Family

ID=5616337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900118974 Ceased EP0440881A3 (en) 1990-02-08 1990-10-04 Method for the optoelectronic monitoring of thread-shaped materials

Country Status (3)

Country Link
EP (1) EP0440881A3 (en)
JP (1) JPH03234832A (en)
DD (1) DD292076A5 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236413C1 (en) * 1992-10-28 1994-01-27 Inspec Gmbh Test assembly for thickening in yarns or wires - has structured light beam across moving material for evaluation without effect of oscillation, etc.
DE19830394A1 (en) * 1998-07-08 2000-01-13 Schlafhorst & Co W Suction air system of a textile machine
DE102007059288A1 (en) * 2007-12-08 2009-08-06 Oerlikon Textile Gmbh & Co. Kg Method and device for optical evaluation of the quality of a longitudinally moved fiber strand

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933297A1 (en) * 1979-08-17 1981-03-26 Hoechst Ag, 65929 Frankfurt Monitoring variations in dia. of moving fibres - carried out optically using control loop regulating light emitting diode emission
DE3635267A1 (en) * 1985-10-16 1987-05-21 Nuovo Pignone Spa OPTICAL DETECTING DEVICE FOR THREAD THICKENING, IN PARTICULAR FOR THE OPEN-END METHOD
DE3938934A1 (en) * 1988-11-24 1990-05-31 Murata Machinery Ltd THREAD MONITORING DEVICE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933297A1 (en) * 1979-08-17 1981-03-26 Hoechst Ag, 65929 Frankfurt Monitoring variations in dia. of moving fibres - carried out optically using control loop regulating light emitting diode emission
DE3635267A1 (en) * 1985-10-16 1987-05-21 Nuovo Pignone Spa OPTICAL DETECTING DEVICE FOR THREAD THICKENING, IN PARTICULAR FOR THE OPEN-END METHOD
DE3938934A1 (en) * 1988-11-24 1990-05-31 Murata Machinery Ltd THREAD MONITORING DEVICE

Also Published As

Publication number Publication date
JPH03234832A (en) 1991-10-18
EP0440881A2 (en) 1991-08-14
DD292076A5 (en) 1991-07-18

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