FR1393329A - Appareil détecteur de l'humidité du bois - Google Patents

Appareil détecteur de l'humidité du bois

Info

Publication number
FR1393329A
FR1393329A FR959048A FR959048A FR1393329A FR 1393329 A FR1393329 A FR 1393329A FR 959048 A FR959048 A FR 959048A FR 959048 A FR959048 A FR 959048A FR 1393329 A FR1393329 A FR 1393329A
Authority
FR
France
Prior art keywords
detector device
moisture detector
wood moisture
wood
moisture
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
FR959048A
Other languages
English (en)
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.)
Weyerhaeuser Co
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
Application granted granted Critical
Publication of FR1393329A publication Critical patent/FR1393329A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR959048A 1962-12-31 1963-12-31 Appareil détecteur de l'humidité du bois Expired FR1393329A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US248573A US3354388A (en) 1962-12-31 1962-12-31 Method for measuring the moisture content of wood

Publications (1)

Publication Number Publication Date
FR1393329A true FR1393329A (fr) 1965-03-26

Family

ID=22939696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR959048A Expired FR1393329A (fr) 1962-12-31 1963-12-31 Appareil détecteur de l'humidité du bois

Country Status (7)

Country Link
US (1) US3354388A (enrdf_load_stackoverflow)
JP (1) JPS4630278B1 (enrdf_load_stackoverflow)
CH (1) CH417160A (enrdf_load_stackoverflow)
FR (1) FR1393329A (enrdf_load_stackoverflow)
GB (1) GB1069100A (enrdf_load_stackoverflow)
NL (1) NL302310A (enrdf_load_stackoverflow)
SE (1) SE302535B (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1097760A (en) * 1965-04-27 1968-01-03 Ilford Ltd Testing material for irregularities of thickness
GB1186513A (en) * 1966-05-13 1970-04-02 Agfa Gevaert Nv Method for Measuring the Resistance of Electrically Conductive Materials
US4377783A (en) * 1979-10-15 1983-03-22 Wagner Delmer W Moisture detector
US4580233A (en) * 1982-09-22 1986-04-01 Weyerhaeuser Company Method of measuring moisture content of dielectric materials
US4881025A (en) * 1988-09-26 1989-11-14 Trustees Of The Diotec Trust Frequency dependent identification of materials
US5334942A (en) * 1992-12-02 1994-08-02 The Curators Of The University Of Missouri Of Columbia, Missouri Method of, and device for use in monitoring leaf wetness by conductivity/resistivity mesurement
US5585732A (en) * 1995-06-07 1996-12-17 Mississippi State University Detector for heterogeneous materials
US7899655B2 (en) * 2007-03-27 2011-03-01 Johns Manville Method of predicting and communicating the performance of an installed building component based on the transient hygrothermal behavior of the component
CN106940338B (zh) * 2017-05-12 2023-05-05 成都凡米科技有限公司 一种新型水分含量测量装置及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1984166A (en) * 1930-04-26 1934-12-11 Siemens Ag Method and device for determining the properties of stratified or fibrillated materials
US1924087A (en) * 1931-09-29 1933-08-29 Atlantic Prec Instr Company Method and means for measuring and indicating properties of conductors
US2574261A (en) * 1949-07-05 1951-11-06 California Cedar Prod Moisture detecting apparatus
US2782367A (en) * 1952-11-03 1957-02-19 Plywood Res Foundation Electronic device responsive to variable electrical conductances and capacitances of material, such as moisture content in lignocellulose materials
US3031617A (en) * 1958-08-13 1962-04-24 Donald R Paquette Linear capacitive probe detecting device
US3209247A (en) * 1960-10-19 1965-09-28 Moisture Register Company Dielectric loss type moisture measurement system with its output compared against a reference level

Also Published As

Publication number Publication date
SE302535B (enrdf_load_stackoverflow) 1968-07-22
US3354388A (en) 1967-11-21
GB1069100A (en) 1967-05-17
CH417160A (de) 1966-07-15
JPS4630278B1 (enrdf_load_stackoverflow) 1971-09-02
NL302310A (enrdf_load_stackoverflow)

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