FR2662502B1 - METHOD FOR DETERMINING THE ANGLE OF THE WOOD THREAD BY ULTRASOUND AND DEVICE FOR CARRYING OUT THE METHOD. - Google Patents
METHOD FOR DETERMINING THE ANGLE OF THE WOOD THREAD BY ULTRASOUND AND DEVICE FOR CARRYING OUT THE METHOD.Info
- Publication number
- FR2662502B1 FR2662502B1 FR9006589A FR9006589A FR2662502B1 FR 2662502 B1 FR2662502 B1 FR 2662502B1 FR 9006589 A FR9006589 A FR 9006589A FR 9006589 A FR9006589 A FR 9006589A FR 2662502 B1 FR2662502 B1 FR 2662502B1
- Authority
- FR
- France
- Prior art keywords
- ultrasound
- determining
- carrying
- angle
- wood thread
- 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 - Lifetime
Links
Classifications
-
- 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
- G01N33/0098—Plants or trees
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0238—Wood
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02854—Length, thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0421—Longitudinal waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Wood Science & Technology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Acoustics & Sound (AREA)
- Botany (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9006589A FR2662502B1 (en) | 1990-05-28 | 1990-05-28 | METHOD FOR DETERMINING THE ANGLE OF THE WOOD THREAD BY ULTRASOUND AND DEVICE FOR CARRYING OUT THE METHOD. |
PCT/FR1991/000393 WO1991019194A1 (en) | 1990-05-28 | 1991-05-15 | Method for ultrasonically detecting the angle of the grain in wood, and device for implementing same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9006589A FR2662502B1 (en) | 1990-05-28 | 1990-05-28 | METHOD FOR DETERMINING THE ANGLE OF THE WOOD THREAD BY ULTRASOUND AND DEVICE FOR CARRYING OUT THE METHOD. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2662502A1 FR2662502A1 (en) | 1991-11-29 |
FR2662502B1 true FR2662502B1 (en) | 1992-09-11 |
Family
ID=9396990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9006589A Expired - Lifetime FR2662502B1 (en) | 1990-05-28 | 1990-05-28 | METHOD FOR DETERMINING THE ANGLE OF THE WOOD THREAD BY ULTRASOUND AND DEVICE FOR CARRYING OUT THE METHOD. |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2662502B1 (en) |
WO (1) | WO1991019194A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6293152B1 (en) | 1998-09-02 | 2001-09-25 | Weyerhaeuser Company | Method for determining twist potential in wood |
WO2000012230A1 (en) | 1998-09-02 | 2000-03-09 | Weyerhaeuser Company | Method for determining warp potential in wood |
EP1177438B1 (en) * | 1999-05-11 | 2003-11-05 | Frank Rinn | Device for investigating materials |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA943187A (en) * | 1972-06-29 | 1974-03-05 | Her Majesty In Right Of Canada As Represented By The Minister Of The Env Ironment | Wood slope-of-grain indicator |
US4926350A (en) * | 1987-09-14 | 1990-05-15 | Metriguard, Inc. | Non-destructive testing methods for lumber |
-
1990
- 1990-05-28 FR FR9006589A patent/FR2662502B1/en not_active Expired - Lifetime
-
1991
- 1991-05-15 WO PCT/FR1991/000393 patent/WO1991019194A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO1991019194A1 (en) | 1991-12-12 |
FR2662502A1 (en) | 1991-11-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2663140B1 (en) | CONTROL METHOD AND DEVICE FOR THE FLOW OF SEQUENTIAL INFORMATION. | |
FR2507078B1 (en) | METHOD AND DEVICE FOR ULTRASONIC ECHOGRAPHY | |
BE894760A (en) | METHOD AND APPARATUS FOR DETECTING THEFT BY DETECTING THE MITIGATION OF A RESONANT CIRCUIT | |
FR2747027B1 (en) | METHOD FOR DETERMINING THE DEPTH OF ANESTHESIA AND DEVICE FOR CARRYING OUT SAID METHOD | |
FR2497956B1 (en) | DEVICE AND METHOD FOR DETECTION OF THE CONTINUOUS COMPONENT OF AN ALTERNATING CURVE | |
FR2660208B1 (en) | METHOD AND DEVICE FOR CONDENSING SUBSTANCES IN THE STATE OF STEAM. | |
FR2540247B1 (en) | METHOD AND APPARATUS FOR DETECTING CHANGES IN COMPOSITION WITHIN A MEDIUM USING ULTRASOUND | |
FR2665359B1 (en) | PROCESS FOR INCREASING THE VOLUME OF A HAIR AND ATTACHING IT SIMULTANEOUSLY, AND DEVICE FOR IMPLEMENTING SAME. | |
FR2662817B1 (en) | DEVICE AND METHOD FOR MEASURING THE RADIOACTIVITY OF AN ELUTED PRODUCT. | |
FR2684784B1 (en) | METHOD AND DEVICE FOR GENERATING A SIGNAL REPRESENTING THE CROSS-MOTION OF A VEHICLE. | |
FR2660435B1 (en) | METHOD AND DEVICE FOR COLLECTING WITHIN A SUSPENSION OF SAMPLES FROM THE LIQUID PHASE. | |
FR2615616B1 (en) | METHOD AND DEVICE FOR DETERMINING THE PASSAGE | |
FR2682306B1 (en) | CERAMIC WELDING PROCESS AND DEVICE FOR CARRYING OUT SAID PROCESS. | |
FR2571874B1 (en) | COUNTING METHOD AND DEVICE FOR IMPLEMENTING THE METHOD | |
FR2572907B1 (en) | METHOD OF INVALIDATION OF VALUE DOCUMENTS AND THE DEVICE FOR CARRYING OUT THE METHOD | |
FR2662502B1 (en) | METHOD FOR DETERMINING THE ANGLE OF THE WOOD THREAD BY ULTRASOUND AND DEVICE FOR CARRYING OUT THE METHOD. | |
FR2712702B1 (en) | Method and device for determining the direction of a signal source. | |
FR2670147B1 (en) | WELDING-DIFFUSION-DYNAMIC PROCESS OF STEEL AND DEVICE FOR IMPLEMENTING THE PROCESS. | |
FR2683036B1 (en) | METHOD AND DEVICE FOR DETERMINING THE ORIENTATION OF A SOLID. | |
FR2657166B1 (en) | METHOD AND APPARATUS FOR DETERMINING TOTAL NITROGEN. | |
FR2476301B1 (en) | DEVICE FOR TESTING PIPES AND THE LIKE BY PASSING BUFFER CALIBERS | |
FR2644654B1 (en) | METHOD FOR DETERMINING THE COEFFICIENTS OF A NON-RECURSITIVE EQUALIZER | |
FR2735966B1 (en) | ECHOGRAPHIC METHOD AND IMPLEMENTING DEVICE FOR THREE-DIMENSIONAL ECHOGRAPHY OF THE HEART | |
FR2673472B1 (en) | PROCESS FOR THE EVIDENCE OF EYTHROCYTATIC AGGLUTINATES. | |
FR2702048B1 (en) | Method and device for determining the color of objects. |