FI862741A - Foerfarande foer bestaemning av en lokal fibervinkel i ett tredimensionellt fibermaterial. - Google Patents

Foerfarande foer bestaemning av en lokal fibervinkel i ett tredimensionellt fibermaterial. Download PDF

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Publication number
FI862741A
FI862741A FI862741A FI862741A FI862741A FI 862741 A FI862741 A FI 862741A FI 862741 A FI862741 A FI 862741A FI 862741 A FI862741 A FI 862741A FI 862741 A FI862741 A FI 862741A
Authority
FI
Finland
Prior art keywords
tredimensionellt
fibervinkel
fibermaterial
lokal
ett
Prior art date
Application number
FI862741A
Other languages
English (en)
Other versions
FI862741A0 (fi
Inventor
Peter Charles Matthews
John Frederick Soest
Original Assignee
Weyerhaeuser 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 Weyerhaeuser Co filed Critical Weyerhaeuser Co
Publication of FI862741A publication Critical patent/FI862741A/fi
Publication of FI862741A0 publication Critical patent/FI862741A0/fi

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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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4711—Multiangle measurement
    • G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor
FI862741A 1984-10-29 1986-06-26 Foerfarande foer bestaemning av en lokal fibervinkel i ett tredimensionellt fibermaterial. FI862741A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/665,609 US4606645A (en) 1984-10-29 1984-10-29 Method for determining localized fiber angle in a three dimensional fibrous material
PCT/US1985/001965 WO1986002729A1 (en) 1984-10-29 1985-10-10 Method for determining localized fiber angle in a three dimensional fibrous material

Publications (2)

Publication Number Publication Date
FI862741A true FI862741A (fi) 1986-06-26
FI862741A0 FI862741A0 (fi) 1986-06-26

Family

ID=24670820

Family Applications (1)

Application Number Title Priority Date Filing Date
FI862741A FI862741A0 (fi) 1984-10-29 1986-06-26 Foerfarande foer bestaemning av en lokal fibervinkel i ett tredimensionellt fibermaterial.

Country Status (7)

Country Link
US (1) US4606645A (fi)
EP (1) EP0198037B1 (fi)
JP (1) JPS62500684A (fi)
CA (1) CA1239476A (fi)
DE (1) DE3582161D1 (fi)
FI (1) FI862741A0 (fi)
WO (1) WO1986002729A1 (fi)

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US6308571B1 (en) 1998-09-02 2001-10-30 Weyerhaeuser Company Method for determining crook potential in wood
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US6525319B2 (en) * 2000-12-15 2003-02-25 Midwest Research Institute Use of a region of the visible and near infrared spectrum to predict mechanical properties of wet wood and standing trees
US6618155B2 (en) 2000-08-23 2003-09-09 Lmi Technologies Inc. Method and apparatus for scanning lumber and other objects
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US6624883B1 (en) 2000-09-28 2003-09-23 National Research Council Of Canada Method of and apparatus for determining wood grain orientation
SE520575C2 (sv) * 2000-10-25 2003-07-29 Robert Kliger Metod vid sågning av en trästock samt en anordning för mätning av en fibervinkel
US6593572B2 (en) * 2000-12-13 2003-07-15 Midwest Research Institute Method of predicting mechanical properties of decayed wood
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US7224471B2 (en) * 2003-10-28 2007-05-29 Timbre Technologies, Inc. Azimuthal scanning of a structure formed on a semiconductor wafer
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US7286956B2 (en) * 2005-12-21 2007-10-23 Weyerhaeuser Company Methods of estimating the dimensional stability of a wood product from simple algebraic functions of moisture, shrinkage rates and grain angles
AT504170B1 (de) * 2006-08-31 2008-08-15 Karl Buchegger Verfahren zur bestimmung des drehwuchses von zumindest teilweise entrindeten baumstämmen
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US7577643B2 (en) * 2006-09-29 2009-08-18 Microsoft Corporation Key phrase extraction from query logs
US7499171B2 (en) * 2006-09-29 2009-03-03 Weyerhaeuser Nr Company Methods for using light reflection patterns to determine diving angle of grain
US7715011B2 (en) * 2006-09-29 2010-05-11 Weyerhaeuser Nr Company Methods for using light reflection patterns to determine location of pith and curvature of the annual ring
WO2008080602A1 (de) * 2006-12-29 2008-07-10 Isam Aktiengesellschaft Verfahren zur analyse der oberfläche eines werkstückes, insbesondere eines fasergeleges und/oder eines fasergewebes
DE102007028014B4 (de) * 2007-06-14 2018-11-29 Airbus Defence and Space GmbH Steuerverfahren zur Steuerung der Ablegung von Fasern in bestimmten Orientlerungen
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Also Published As

Publication number Publication date
EP0198037A1 (en) 1986-10-22
JPS62500684A (ja) 1987-03-19
EP0198037A4 (en) 1988-05-19
DE3582161D1 (de) 1991-04-18
US4606645A (en) 1986-08-19
EP0198037B1 (en) 1991-03-13
CA1239476A (en) 1988-07-19
WO1986002729A1 (en) 1986-05-09
FI862741A0 (fi) 1986-06-26

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MM Patent lapsed

Owner name: WEYERHAEUSER COMPANY