FR1143611A - Method and apparatus for detecting imperfections in yarns or the like - Google Patents

Method and apparatus for detecting imperfections in yarns or the like

Info

Publication number
FR1143611A
FR1143611A FR1143611DA FR1143611A FR 1143611 A FR1143611 A FR 1143611A FR 1143611D A FR1143611D A FR 1143611DA FR 1143611 A FR1143611 A FR 1143611A
Authority
FR
France
Prior art keywords
yarns
detecting imperfections
imperfections
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
Other languages
French (fr)
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.)
West Point Manufacturing Co
Original Assignee
West Point Manufacturing Co
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 West Point Manufacturing Co filed Critical West Point Manufacturing Co
Application granted granted Critical
Publication of FR1143611A publication Critical patent/FR1143611A/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
    • 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
    • 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
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • B65H63/062—Electronic slub detector
    • B65H63/065—Electronic slub detector 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)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
FR1143611D 1954-02-24 1954-07-24 Method and apparatus for detecting imperfections in yarns or the like Expired FR1143611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US321169XA 1954-02-24 1954-02-24

Publications (1)

Publication Number Publication Date
FR1143611A true FR1143611A (en) 1957-10-03

Family

ID=21863191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1143611D Expired FR1143611A (en) 1954-02-24 1954-07-24 Method and apparatus for detecting imperfections in yarns or the like

Country Status (2)

Country Link
CH (1) CH321169A (en)
FR (1) FR1143611A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139997B (en) * 1959-09-11 1962-11-22 Zellweger A G Method and device for the detection and elimination of faulty, spontaneous changes in cross-section in textile material, in particular in yarns, rovings and tapes
DE1209774B (en) * 1960-11-11 1966-01-27 Licentia Gmbh Arrangement for evaluating error signals determined with a scanning device
US3351926A (en) * 1964-06-05 1967-11-07 Gen Electric Apparatus and method for detecting leaks in evacuated systems

Also Published As

Publication number Publication date
CH321169A (en) 1957-04-30

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