GB2105856B - Apparatus for determining the stiffness of timber and method of grading timber - Google Patents

Apparatus for determining the stiffness of timber and method of grading timber

Info

Publication number
GB2105856B
GB2105856B GB08127000A GB8127000A GB2105856B GB 2105856 B GB2105856 B GB 2105856B GB 08127000 A GB08127000 A GB 08127000A GB 8127000 A GB8127000 A GB 8127000A GB 2105856 B GB2105856 B GB 2105856B
Authority
GB
United Kingdom
Prior art keywords
timber
stiffness
determining
grading
grading timber
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
GB08127000A
Other versions
GB2105856A (en
Inventor
Norman Brooks
Anthony David Kirby
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.)
Cook Bolinders Ltd
Original Assignee
Cook Bolinders Ltd
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 Cook Bolinders Ltd filed Critical Cook Bolinders Ltd
Priority to GB08127000A priority Critical patent/GB2105856B/en
Publication of GB2105856A publication Critical patent/GB2105856A/en
Application granted granted Critical
Publication of GB2105856B publication Critical patent/GB2105856B/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
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
    • 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
    • G01N33/46—Wood

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)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
GB08127000A 1981-09-07 1981-09-07 Apparatus for determining the stiffness of timber and method of grading timber Expired GB2105856B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08127000A GB2105856B (en) 1981-09-07 1981-09-07 Apparatus for determining the stiffness of timber and method of grading timber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08127000A GB2105856B (en) 1981-09-07 1981-09-07 Apparatus for determining the stiffness of timber and method of grading timber

Publications (2)

Publication Number Publication Date
GB2105856A GB2105856A (en) 1983-03-30
GB2105856B true GB2105856B (en) 1985-10-09

Family

ID=10524347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08127000A Expired GB2105856B (en) 1981-09-07 1981-09-07 Apparatus for determining the stiffness of timber and method of grading timber

Country Status (1)

Country Link
GB (1) GB2105856B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805679A (en) * 1988-01-25 1989-02-21 Integrated Wood Research Inc. Apparatus and method for processing lumber
DE4209314C1 (en) * 1992-03-23 1993-02-11 Fagus-Grecon Greten Gmbh & Co Kg, 3220 Alfeld, De
DK174402B1 (en) 2000-05-09 2003-02-10 Gn Netcom As communication Unit
DE102005016738B4 (en) * 2005-04-11 2010-01-07 Minda Industrieanlagen Gmbh Method and device for non-destructive testing of wood components
DE102007039539A1 (en) * 2007-08-21 2009-02-26 Minda Industrieanlagen Gmbh Bar-shaped wood component non-destructively testing method, involves measuring hysteresis curve, determining characteristic value, and outputting signal when characteristic value exceeds given desired value

Also Published As

Publication number Publication date
GB2105856A (en) 1983-03-30

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Legal Events

Date Code Title Description
PG Patent granted