DE2331545A1 - Verfahren und vorrichtung zur bestimmung der laenge von stapelfasern - Google Patents

Verfahren und vorrichtung zur bestimmung der laenge von stapelfasern

Info

Publication number
DE2331545A1
DE2331545A1 DE2331545A DE2331545A DE2331545A1 DE 2331545 A1 DE2331545 A1 DE 2331545A1 DE 2331545 A DE2331545 A DE 2331545A DE 2331545 A DE2331545 A DE 2331545A DE 2331545 A1 DE2331545 A1 DE 2331545A1
Authority
DE
Germany
Prior art keywords
fiber
length
detectors
time
speed
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.)
Pending
Application number
DE2331545A
Other languages
German (de)
English (en)
Inventor
William Lankford Duncan
Ronald George Heitz
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE2331545A1 publication Critical patent/DE2331545A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B11/043—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/36—Textiles
    • G01N33/362—Material before processing, e.g. bulk cotton or wool
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
    • G01N2015/0049—Investigating dispersion of solids in gas, e.g. smoke of filaments in gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
DE2331545A 1972-06-20 1973-06-20 Verfahren und vorrichtung zur bestimmung der laenge von stapelfasern Pending DE2331545A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00264580A US3816001A (en) 1972-06-20 1972-06-20 Measuring length and velocity of single staple fibers within an airflow

Publications (1)

Publication Number Publication Date
DE2331545A1 true DE2331545A1 (de) 1974-01-17

Family

ID=23006699

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2331545A Pending DE2331545A1 (de) 1972-06-20 1973-06-20 Verfahren und vorrichtung zur bestimmung der laenge von stapelfasern

Country Status (7)

Country Link
US (1) US3816001A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4958865A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1012245A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2331545A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2189707B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1400361A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7308512A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3143270A1 (de) * 1981-10-31 1983-05-19 Krautkrämer GmbH, 5000 Köln Verfahren zum kontaktlosen messen der laenge von bewegten gegenstaenden

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011447A (en) * 1976-02-09 1977-03-08 Henderson George R System for detecting the edges of a moving object employing a photocell and an amplifier in the saturation mode
GB2231952A (en) * 1989-05-03 1990-11-28 Serco Limited Vehicle length measurement system
CH678230A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-06-06 1991-08-15 Peyer Ag Siegfried
US5430301A (en) * 1990-03-14 1995-07-04 Zellweger Uster, Inc. Apparatus and methods for measurement and classification of generalized neplike entities in fiber samples
US5469253A (en) * 1990-03-14 1995-11-21 Zellweger Uster, Inc. Apparatus and method for testing multiple characteristics of single textile sample with automatic feed
US5539515A (en) * 1990-03-14 1996-07-23 Zellweger Uster, Inc. Apparatus and methods for measurement and classification of trash in fiber samples
US5270787A (en) * 1990-03-14 1993-12-14 Zellweger Uster Inc. Electro-optical methods and apparatus for high speed, multivariate measurement of individual entities in fiber or other samples
US5410401A (en) * 1990-03-14 1995-04-25 Zellweger Uster, Inc. Methods and apparatus for mechanically and electronically correcting presentation of entities in a fluid flow
US5311290A (en) * 1992-09-30 1994-05-10 Pulp And Paper Research Institute Of Canada Imaging apparatus and method of fiber analysis
US5907394A (en) * 1998-02-06 1999-05-25 Zellweger Uster, Inc. Fiber strength testing system
RU2187794C2 (ru) * 2000-10-16 2002-08-20 Комсомольское-на-Амуре авиационное производственное объединение Устройство для испытания трубной заготовки при различных температурах
US20060196621A1 (en) * 2005-03-01 2006-09-07 Johansson Ola M Virtual hand sheet method and system for estimating paper properties

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US705374A (en) * 1901-03-05 1902-07-22 Chauncey R Benefield Cotton elevator and separator.
US2657474A (en) * 1952-03-14 1953-11-03 Woodrow W Bledsoe Cotton feed control system
US2841048A (en) * 1954-04-29 1958-07-01 Du Pont Yarn defect monitor
DE1054242B (de) * 1957-08-13 1959-04-02 Franz Baumgartner Verfahren und Anordnung zur Laengenmessung von stab- oder rohrfoermigen Werkstuecken
US3180995A (en) * 1962-01-16 1965-04-27 Davy And United Instr Company Measurement of dimension of a moving object
US3591294A (en) * 1969-01-31 1971-07-06 Univ Tennessee Res Corp Fiber measurement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3143270A1 (de) * 1981-10-31 1983-05-19 Krautkrämer GmbH, 5000 Köln Verfahren zum kontaktlosen messen der laenge von bewegten gegenstaenden

Also Published As

Publication number Publication date
FR2189707B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-06-18
GB1400361A (en) 1975-07-16
NL7308512A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-12-27
CA1012245A (en) 1977-06-14
FR2189707A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-01-25
US3816001A (en) 1974-06-11
JPS4958865A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-06-07

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