EP0963822A3 - Device and method for subdividing logs - Google Patents

Device and method for subdividing logs Download PDF

Info

Publication number
EP0963822A3
EP0963822A3 EP19990108605 EP99108605A EP0963822A3 EP 0963822 A3 EP0963822 A3 EP 0963822A3 EP 19990108605 EP19990108605 EP 19990108605 EP 99108605 A EP99108605 A EP 99108605A EP 0963822 A3 EP0963822 A3 EP 0963822A3
Authority
EP
European Patent Office
Prior art keywords
band
saw
unit
saw blade
boards
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.)
Granted
Application number
EP19990108605
Other languages
German (de)
French (fr)
Other versions
EP0963822A2 (en
EP0963822B1 (en
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.)
Esterer WD GmbH and Co
Original Assignee
Esterer WD GmbH and 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
Priority claimed from DE19828238A external-priority patent/DE19828238C2/en
Application filed by Esterer WD GmbH and Co filed Critical Esterer WD GmbH and Co
Publication of EP0963822A2 publication Critical patent/EP0963822A2/en
Publication of EP0963822A3 publication Critical patent/EP0963822A3/en
Application granted granted Critical
Publication of EP0963822B1 publication Critical patent/EP0963822B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B29/00—Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages
    • B27B29/08—Trunk or log carriages with gripping means designed to pass the saw blade(s), especially for band saws; Arrangement of gripping accessories thereon; Turning devices thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/12—Straight saw blades; Strap saw blades
    • B23D61/126—Straight saw blades; Strap saw blades having cutting teeth along both edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B15/00—Band or strap sawing machines specially designed for length cutting of trunks
    • B27B15/08—Band or strap sawing machines specially designed for length cutting of trunks with a plurality of band saw blades
    • 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
    • Y10T83/04—Processes
    • Y10T83/05—With reorientation of tool between cuts
    • 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
    • Y10T83/04—Processes
    • Y10T83/0505—With reorientation of work between cuts
    • 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
    • Y10T83/04—Processes
    • Y10T83/0524—Plural cutting steps
    • Y10T83/0538—Repetitive transverse severing from leading edge of work
    • Y10T83/0548—With longitudinal severing
    • 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
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6492—Plural passes of diminishing work piece through tool station
    • Y10T83/6499—Work rectilinearly reciprocated through tool station
    • 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
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6492—Plural passes of diminishing work piece through tool station
    • Y10T83/6499—Work rectilinearly reciprocated through tool station
    • Y10T83/65—With means to cause or permit angular re-orientation of work about axis parallel to plane of cut
    • 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
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6579—With means to press work to work-carrier
    • 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
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6584—Cut made parallel to direction of and during work movement
    • Y10T83/6603—Tool shiftable relative to work-conveying 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
    • Y10T83/707—By endless band or chain knife
    • Y10T83/7158—Including plural cutting zones
    • Y10T83/7189—Comprising plural bands
    • 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
    • Y10T83/707—By endless band or chain knife
    • Y10T83/7195—Including means to adjust relationship between band and work-support surface
    • Y10T83/722—By varying distance between band and work-support surface
    • 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
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8769—Cutting tool operative in opposite directions of travel

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Abstract

At least one additional band-saw unit (26) is provided next to the first band-saw unit (24) and like the first unit it also has a band-saw blade (38) with teeth oriented in both directions. The second band-saw blade is vertically offset from the first band-saw blade (36) by a distance equal to the width of one of the boards. A drive mechanism (28, 30) is provided for each band-saw unit, capable of moving the two units away from each other at right angles to the direction of the tree trunk conveyor when this direction is changed. An Independent claim is also included for a method for sawing up tree trunks into boards.
EP19990108605 1998-06-10 1999-05-07 Device and method for subdividing logs Expired - Lifetime EP0963822B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19825938 1998-06-10
DE19825938 1998-06-10
DE19828238 1998-06-25
DE19828238A DE19828238C2 (en) 1998-06-10 1998-06-25 Device and method for cutting tree trunks

Publications (3)

Publication Number Publication Date
EP0963822A2 EP0963822A2 (en) 1999-12-15
EP0963822A3 true EP0963822A3 (en) 2002-04-10
EP0963822B1 EP0963822B1 (en) 2004-08-04

Family

ID=26046729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990108605 Expired - Lifetime EP0963822B1 (en) 1998-06-10 1999-05-07 Device and method for subdividing logs

Country Status (4)

Country Link
US (1) US6532850B1 (en)
EP (1) EP0963822B1 (en)
AT (1) ATE272469T1 (en)
CA (1) CA2273735C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10045062A1 (en) * 2000-09-12 2002-03-21 Gaemmerler Ag stacker
DE10055298A1 (en) * 2000-11-03 2002-05-08 Esterer Wd Gmbh & Co Method and device for cutting a log
US7007578B2 (en) * 2003-11-10 2006-03-07 Miller Freeman J Apparatus for removing sawdust while cutting wood
GB2426757B (en) * 2005-06-03 2008-02-27 Crt Heaven Ltd Apparatus and method for cutting a cathode ray tube
ITFI20060292A1 (en) * 2006-11-24 2008-05-25 Futura Spa CUTTING-OFF MACHINE FOR LOGS OF PAPER MATERIAL.
CN106132581B (en) * 2014-03-28 2017-12-19 日高精机株式会社 The manufacture device of aluminum fin
US10322520B1 (en) * 2018-03-19 2019-06-18 Sylvain Cote Pulley system for transferring motor torque to a cutting blade assembly
WO2019231703A1 (en) 2018-05-30 2019-12-05 Edge Manufacturing, Inc. Band saw with a wheel supporting two blades mounted back to back
CN109366622B (en) * 2018-11-02 2024-05-03 南京市飞运翔科技有限公司 Multifunctional operation table for building material production
BR112022015541A2 (en) 2020-02-07 2022-09-27 Gebrueder Linck Maschf Gatterlinck Gmbh & Co Kg INSTALLATION AND SAWING METHOD
DE102020103192A1 (en) 2020-02-07 2021-08-12 Gebrüder Linck, Maschinenfabrik "Gatterlinck" GmbH & Co. KG Sawing plant and method for sawing a material to be sawn
CN115255580B (en) * 2022-07-14 2024-03-22 枣庄格瑞彼勒环保科技有限公司 Smoke dust collecting device of plasma cutting machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318347A (en) * 1963-06-19 1967-05-09 Turner Machinery Co Inc Method and apparatus for multiple resawing
US4317398A (en) * 1980-03-27 1982-03-02 Seneca Sawmill Company Sawmill apparatus having cant supporting means
US4637443A (en) * 1984-09-14 1987-01-20 Ab A. K. Eriksson Saw assembly
US4846237A (en) * 1987-04-13 1989-07-11 Johann Wolf Gmbh Kg Method and apparatus for sawing round wood trunks
US4879659A (en) * 1987-11-24 1989-11-07 Bowlin William P Log processing systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US524135A (en) * 1894-08-07 Sawmill
US475328A (en) * 1892-05-24 Band-saw mill
US972562A (en) * 1910-02-11 1910-10-11 William Moore Upright band-saw shingle-machine.
US2201413A (en) * 1938-12-10 1940-05-21 William B Turner Angle cutting multiple band saw
SE419059B (en) * 1980-07-03 1981-07-13 Kockums Ind Ab CONTROL DEVICE ON THE SAW SHEET'S SUPPLIED SUBDIVISION MACHINERY FOR WORK
US4485861A (en) * 1982-04-05 1984-12-04 Kockums Industri Ab Method and apparatus for processing logs having a nonuniform profile
US4697487A (en) * 1982-09-20 1987-10-06 Cameron Robert E Adjustable cable driven carriage system and method
US5088363A (en) * 1987-08-21 1992-02-18 Aaron U. Jones Method and apparatus for an automatic sawmill

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318347A (en) * 1963-06-19 1967-05-09 Turner Machinery Co Inc Method and apparatus for multiple resawing
US4317398A (en) * 1980-03-27 1982-03-02 Seneca Sawmill Company Sawmill apparatus having cant supporting means
US4637443A (en) * 1984-09-14 1987-01-20 Ab A. K. Eriksson Saw assembly
US4846237A (en) * 1987-04-13 1989-07-11 Johann Wolf Gmbh Kg Method and apparatus for sawing round wood trunks
US4879659A (en) * 1987-11-24 1989-11-07 Bowlin William P Log processing systems

Also Published As

Publication number Publication date
EP0963822A2 (en) 1999-12-15
US6532850B1 (en) 2003-03-18
CA2273735A1 (en) 1999-12-10
CA2273735C (en) 2003-11-25
EP0963822B1 (en) 2004-08-04
ATE272469T1 (en) 2004-08-15

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