SE9200483L - Timmersortering med ultraljud - Google Patents
Timmersortering med ultraljudInfo
- Publication number
- SE9200483L SE9200483L SE9200483A SE9200483A SE9200483L SE 9200483 L SE9200483 L SE 9200483L SE 9200483 A SE9200483 A SE 9200483A SE 9200483 A SE9200483 A SE 9200483A SE 9200483 L SE9200483 L SE 9200483L
- Authority
- SE
- Sweden
- Prior art keywords
- log
- grade
- wheels
- length
- ultrasonic
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/12—Sorting according to size characterised by the application to particular articles, not otherwise provided for
- B07C5/14—Sorting timber or logs, e.g. tree trunks, beams, planks or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/08—Felling trees
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/099—Auxiliary devices, e.g. felling wedges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
- G06Q10/043—Optimisation of two dimensional placement, e.g. cutting of clothes or 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/525—Operation controlled by detector means responsive to work
- Y10T83/531—With plural work-sensing means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/525—Operation controlled by detector means responsive to work
- Y10T83/541—Actuation of tool controlled in response to work-sensing means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Forests & Forestry (AREA)
- Biodiversity & Conservation Biology (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Ecology (AREA)
- Strategic Management (AREA)
- Economics (AREA)
- Development Economics (AREA)
- Quality & Reliability (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Game Theory and Decision Science (AREA)
- Biochemistry (AREA)
- Entrepreneurship & Innovation (AREA)
- Marketing (AREA)
- Operations Research (AREA)
- Pathology (AREA)
- Tourism & Hospitality (AREA)
- General Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/691,749 US5097881A (en) | 1991-04-25 | 1991-04-25 | Ultrasonic log grading |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9200483D0 SE9200483D0 (sv) | 1992-02-18 |
SE9200483L true SE9200483L (sv) | 1992-10-26 |
Family
ID=24777809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9200483A SE9200483L (sv) | 1991-04-25 | 1992-02-18 | Timmersortering med ultraljud |
Country Status (6)
Country | Link |
---|---|
US (1) | US5097881A (sv) |
BR (1) | BR9200510A (sv) |
CA (1) | CA2061218A1 (sv) |
FI (1) | FI920654A (sv) |
NO (1) | NO920530L (sv) |
SE (1) | SE9200483L (sv) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5747693A (en) * | 1992-11-06 | 1998-05-05 | The United States Of America As Represented By The Secretary Of The Army | System for taking transverse measurements |
DE4408970A1 (de) * | 1993-04-30 | 1994-11-03 | Siemens Ag | Einrichtung zum Erfassen des Durchmessers und/oder der Lage des Zentrums eines runden Gegenstandes |
CA2131056C (en) * | 1994-08-29 | 2000-07-18 | Robert James Murray | Method and apparatus for bucksawing logs |
US5804728A (en) * | 1994-09-07 | 1998-09-08 | The Regents Of The University Of California | Method and apparatus for non-intrusively detecting hidden defects caused by bio-deterioration in living trees and round wood materials |
US5515895A (en) * | 1995-03-07 | 1996-05-14 | Hamby, Jr.; Thomas E. | Tree delimbling device with self-aligning cutter head assembly |
FR2751593B1 (fr) * | 1996-07-24 | 1998-09-04 | Saint Gobain Vitrage | Vitrage feuillete equipe d'un detecteur |
US5704407A (en) * | 1996-09-16 | 1998-01-06 | Hamby, Jr.; Thomas E. | Tree delimbing device |
SE509719C2 (sv) * | 1997-05-29 | 1999-03-01 | Hultdin System Ab | Sågdon |
US6026689A (en) * | 1998-02-25 | 2000-02-22 | Weyerhaeuser Company | Log cutting optimization system |
US6295907B1 (en) * | 1998-04-16 | 2001-10-02 | Perceptron, Inc. | Method and apparatus for on-line monitoring of log sawing |
AU754908B2 (en) * | 1998-02-26 | 2002-11-28 | U.S. Natural Resources, Inc. | Ultrasonic apparatus for characterizing wooden members using a measurement of wave distortion |
WO1999044050A1 (en) | 1998-02-27 | 1999-09-02 | Massachusetts Institute Of Technology | Acoustic tree and wooden member imaging apparatus |
US6467352B2 (en) | 1998-04-16 | 2002-10-22 | Percepton, Inc. | Method and apparatus for on-line monitoring of log sawing |
NZ333434A (en) * | 1998-12-17 | 1999-10-28 | Carter Holt Harvey Ltd | Determining log length by passing ultrasonic signal through log, and using length information to determining cut positions |
US6769306B2 (en) * | 1998-12-17 | 2004-08-03 | Carter Holt Harvey Limited | Log cutting procedures |
CA2273541A1 (en) | 1999-06-03 | 2000-12-03 | Canadian Forest Products Ltd. | A method of lumber preparation to improve drying and treatment and development of a new engineered wood composite |
CA2380988C (en) * | 1999-07-30 | 2009-01-06 | Carter Holt Harvey Limited | Log testing apparatus |
US6755297B2 (en) * | 2001-07-03 | 2004-06-29 | Hi-Tech Engineering, Inc. | Symbol printer |
FI116679B (sv) * | 2001-10-25 | 2006-01-31 | Jarmat Oy | Förfarande och märkfärg för märkning av ett träd |
US6829938B2 (en) * | 2002-10-04 | 2004-12-14 | The Johns Hopkins University | Method and apparatus for selecting trees for harvest |
NZ536400A (en) * | 2004-11-04 | 2007-05-31 | Fibre Gen Instr Ltd | Timber harvesting apparatus |
NZ545247A (en) * | 2005-02-11 | 2007-05-31 | Waratah Nz Ltd | Method and apparatus for assessing or predicting the characteristics of wood |
EA011414B1 (ru) * | 2005-07-15 | 2009-02-27 | А-Сорт Аб | Средства и способ классификации бревен |
US7938156B2 (en) * | 2006-04-20 | 2011-05-10 | Weyerhaeuser Nr Company | Method for optimizing lumber |
WO2009072968A1 (en) * | 2007-12-07 | 2009-06-11 | A-Sort Ab | Method and arrangement for log classification |
SE533023C2 (sv) * | 2008-04-16 | 2010-06-08 | Log Max Ab | Bestämning av grovlek hos en trädstam |
RU2480326C2 (ru) * | 2011-06-15 | 2013-04-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Братский государственный университет" | Способ окорки лесоматериалов ультразвуком в воздушной среде |
CA2907295C (en) * | 2014-10-09 | 2021-05-04 | W. Daniel Hamby | Scanning system for hardwood flooring |
SE543792C2 (sv) * | 2018-09-27 | 2021-07-27 | Logscom Ab | System för märkning |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE353958B (sv) * | 1967-04-19 | 1973-02-19 | Asea Ab | |
US3722263A (en) * | 1970-12-21 | 1973-03-27 | Ithaco | Ultrasonic inspection apparatus |
US3759384A (en) * | 1971-09-01 | 1973-09-18 | B Holmberg | Apparatus for grading lumber |
SE380464B (sv) * | 1974-05-08 | 1975-11-10 | Hammars Mekaniska Verkstad Ab | Sett att bedoma och lengdsetta virke och anordning vid justerverk for utforande av settet |
SE398450B (sv) * | 1975-10-15 | 1977-12-27 | Umea Mekaniska Ab | Forfarande och anordning for fergmerkning av stockar |
US4207472A (en) * | 1975-12-05 | 1980-06-10 | The Bendix Corporation | Lumber inspection and optimization system |
CA1043463A (en) * | 1975-12-05 | 1978-11-28 | Paul A. Mueller | Lumber inspection and optimization system |
US4027528A (en) * | 1975-12-15 | 1977-06-07 | Tyree Bill D | Apparatus for ultrasonic inspection of ferromagnetic materials |
US4099420A (en) * | 1977-06-03 | 1978-07-11 | Cornell Research Foundation, Inc. | Transducer positioning apparatus |
US4356850A (en) * | 1980-09-29 | 1982-11-02 | Black Clawson, Inc. | Veneer lathe scanning system |
US4412297A (en) * | 1980-10-06 | 1983-10-25 | Black Clawson, Inc. | Ultrasonic log scanning and orientation system |
US4785817A (en) * | 1986-10-10 | 1988-11-22 | Cornell Research Foundation, Inc. | Method and apparatus for ultrasonic grading of meat |
-
1991
- 1991-04-25 US US07/691,749 patent/US5097881A/en not_active Expired - Fee Related
-
1992
- 1992-02-11 NO NO92920530A patent/NO920530L/no unknown
- 1992-02-14 CA CA002061218A patent/CA2061218A1/en not_active Abandoned
- 1992-02-14 FI FI920654A patent/FI920654A/fi not_active Application Discontinuation
- 1992-02-14 BR BR929200510A patent/BR9200510A/pt not_active Application Discontinuation
- 1992-02-18 SE SE9200483A patent/SE9200483L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO920530D0 (no) | 1992-02-11 |
FI920654A0 (fi) | 1992-02-14 |
SE9200483D0 (sv) | 1992-02-18 |
US5097881A (en) | 1992-03-24 |
AU648867B2 (en) | 1994-05-05 |
AU1089592A (en) | 1992-10-29 |
CA2061218A1 (en) | 1992-10-26 |
NO920530L (no) | 1992-10-26 |
BR9200510A (pt) | 1992-12-01 |
FI920654A (fi) | 1992-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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