EP0097794A1 - Procédé et dispositif pour la fabrication en continu de feuilles de placage - Google Patents

Procédé et dispositif pour la fabrication en continu de feuilles de placage Download PDF

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Publication number
EP0097794A1
EP0097794A1 EP83104439A EP83104439A EP0097794A1 EP 0097794 A1 EP0097794 A1 EP 0097794A1 EP 83104439 A EP83104439 A EP 83104439A EP 83104439 A EP83104439 A EP 83104439A EP 0097794 A1 EP0097794 A1 EP 0097794A1
Authority
EP
European Patent Office
Prior art keywords
strips
veneer
length
width
usable
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
EP83104439A
Other languages
German (de)
English (en)
Other versions
EP0097794B1 (fr
Inventor
Gerhard Dipl.-Ing. Schulte
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.)
Blomberger Holzindustrie B Hausmann & Co KG GmbH
Original Assignee
Blomberger Holzindustrie B Hausmann & Co KG GmbH
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 Blomberger Holzindustrie B Hausmann & Co KG GmbH filed Critical Blomberger Holzindustrie B Hausmann & Co KG GmbH
Priority to AT83104439T priority Critical patent/ATE36665T1/de
Publication of EP0097794A1 publication Critical patent/EP0097794A1/fr
Application granted granted Critical
Publication of EP0097794B1 publication Critical patent/EP0097794B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L5/00—Manufacture of veneer ; Preparatory processing therefor
    • B27L5/08—Severing sheets or segments from veneer strips; Shearing devices therefor; Making veneer blanks, e.g. trimming to size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062—Prior to assembly
    • Y10T156/1066—Cutting to shape joining edge surfaces only
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062—Prior to assembly
    • Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062—Prior to assembly
    • Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
    • Y10T156/1079—Joining of cut laminae end-to-end

Definitions

  • the invention relates to a method of the type specified in the preamble of claim 1 and a device which is particularly suitable for carrying out the method.
  • the veneer strips of the same length resulting from the cuts are first assembled transversely to the fiber direction by a known method and then cut into equal widths. Only now are they suitable for assembly in the longitudinal direction by a known method and can then be divided into the length corresponding to the end product. These processes are difficult to automate due to the non-uniformity of the veneer parts. The yield of usable veneer surface is not optimal due to the necessity to limit the length of the cuts.
  • a further qualitative problem in the known processes is the above-mentioned fixed widths. Because of the uneven wood structure, these naturally contain areas of higher and lower quality in many pieces. The share of low quality in a larger piece devalues the whole piece and assigns it to this lower quality. Saving the higher quality portion for this higher quality would mean that the piece would have to be broken down into strips, which is avoided as much as possible because of the high workload associated with strip processing according to previous methods. The result is that the companies suffer almost constantly from a lack of higher quality, while lower qualities are available in large areas and put a strain on the warehouses used for other purposes.
  • the invention is based on the object of specifying a method of the type mentioned at the outset and a device suitable for carrying out the method, with which veneer webs can be produced quickly and economically in any length and width while making maximum use of the raw veneer.
  • the object is achieved according to the invention by the method specified in the characterizing part of the main claim.
  • the method can be carried out simply automatically and with the least possible use of labor.
  • the veneers used as starting products are optimally used with the method according to the invention, ie that only those surface areas which are not usable for veneer webs are actually thrown away.
  • the degree of utilization of the surface of the veneer sheets can be regulated in a wide range by the choice of the width of the strips and also by the determination of the practically usable minimum length. Claim 2 shows an advantageous embodiment.
  • Sorting according to these identifiers can be carried out much more easily than was previously the case, since material units of exactly the same width are present here, which on the one hand simplify quality detection and on the other hand facilitate the correct movement and automatic control of the material movement.
  • strips of different lengths which can originate from warehousing, are of the same width and have the same quality properties, are put together to form the veneer web.
  • the joining together is not a problem here, since the strips are provided with parallel and rectilinear edge edges, which result in the method according to the invention.
  • a peeled veneer web 5 obtained from a round wood block by round peeling can be seen, which is divided into three sections in the drawing, although the peeled veneer web 5 is continuously produced.
  • the peeling process starting in Fig.1a, initially provides individual, misshapen veneer pieces, which gradually increase in size with each peeling revolution, into an increasingly complete veneer belt.
  • the veneer sheet 5 approaches the core area of the log section, where serious veneer defects 6, e.g. wide cracks and large knotholes occur increasingly.
  • the veneer web 5 and also its individual pieces are now formed into individual strips of equal width with a width corresponding to the spacing between the separating lines 3 by cuts made approximately parallel to the fiber direction.
  • a certain length unit represented for example by the distance between five lines 4 is now selected as the length which still results in a practically usable longitudinal strip section Sd.
  • Strip sections Sd are then cut from all strips Sb, the common feature of which is rectangular areas of the same width and at least the length Sd.
  • the strips Sc like the non-usable residues of the strips Sb, can be comminuted and excreted in the cross pattern.
  • the crushing in the cross grid can also be omitted, that is to say the separation in the size that arises.
  • the preferably dried raw veneer 5, preferably obtained in a round peeling process is fed to a cutting device 25, which breaks the raw veneer 5 into strips Sa, Sb and Sc approximately parallel to the fiber direction.
  • a cutting device 25 which breaks the raw veneer 5 into strips Sa, Sb and Sc approximately parallel to the fiber direction. This can be done at a uniformly low veneer feed rate by a stationary device that works in a clocked manner or at a higher feed rate by a sub-device that moves during the sub-process. But a step-by-step, precisely controlled veneer feed is also possible with a stationary part device.
  • the separation of the strip elements is expediently connected to the sub-process by establishing equal distances between them, so that the strips lie on the subsequent transport device 7.
  • the detection device 8 makes its determinations in a manner known per se, stores them and solves them in the subsequent separation and comminution system 9, which e.g. appropriate control signals from saws, circular knives or the like, which can be swiveled in and out in a narrow grid, but can also consist of high-energy beams.
  • the devices 14 each contain a stock of strips of new length, which were obtained from the categories Sa and Sd, respectively, and which they pass on here - in random order - to the transport device underneath. This feeds the strips of new length - if necessary after appropriate edge preparation, which may also have already been carried out in the longitudinal composing devices 13 - to the cross-assembling system 15, where the elements are assembled in a known manner to form the veneer web 16 and then either wound up endlessly, processed endlessly or but - as shown - can be divided into veneer sheets with a width dependent on the end product using the dividing device 17 and collected as a veneer stack 18.
  • the individual device components are automatically controlled by a control device 19 which is connected to the individual components via connecting lines.
  • the device can easily be designed so that the area of the raw veneer recognizable from Fig.lb, in which there are almost only fully usable surface areas, is divided into individual broad parts, which may already correspond to the final width of the end product.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Wood Veneers (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)
  • Control Of Electric Motors In General (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Steroid Compounds (AREA)
  • Chain Conveyers (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
EP83104439A 1982-05-06 1983-05-05 Procédé et dispositif pour la fabrication en continu de feuilles de placage Expired EP0097794B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83104439T ATE36665T1 (de) 1982-05-06 1983-05-05 Verfahren und vorrichtung zum herstellen einer furnierbahn.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3217063 1982-05-06
DE3217063A DE3217063C2 (de) 1982-05-06 1982-05-06 Verfahren zum Herstellen einer Furnierbahn

Publications (2)

Publication Number Publication Date
EP0097794A1 true EP0097794A1 (fr) 1984-01-11
EP0097794B1 EP0097794B1 (fr) 1988-08-24

Family

ID=6162934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83104439A Expired EP0097794B1 (fr) 1982-05-06 1983-05-05 Procédé et dispositif pour la fabrication en continu de feuilles de placage

Country Status (7)

Country Link
US (1) US4565597A (fr)
EP (1) EP0097794B1 (fr)
JP (1) JPS58209501A (fr)
AT (1) ATE36665T1 (fr)
DE (2) DE3217063C2 (fr)
DK (1) DK155359C (fr)
FI (1) FI831110L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2251168A1 (fr) * 2009-05-13 2010-11-17 GreCon Dimter Holzoptimierung Süd GmbH & Co. KG Procédé de fabrication de plaques en bois

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117603A (en) * 1990-11-26 1992-06-02 Weintraub Fred I Floorboards having patterned joint spacing and method
US5662760A (en) * 1991-11-11 1997-09-02 Tsuda; Sotaro Method of manufacturing laminated veneer lumber and decorative laminated sheet utilizing the same
DE19616925A1 (de) * 1996-04-27 1997-11-06 Feddema Furniertechnik Gmbh Verfahren zur Herstellung eines Flächenfurniers
US5927359A (en) * 1997-10-09 1999-07-27 Kersten; Donald System and method for recycling scrap lumber
US6162312A (en) * 1999-01-19 2000-12-19 Abney; Dennis R. Method of making a resin impregnated composite wood product from waste, scrap, and used wood
DE19916041A1 (de) * 1999-04-09 2000-10-12 Dieffenbacher Gmbh Maschf Verfahren und Anlage zur Herstellung von überbreiten Furniertafeln
FR2809342B1 (fr) * 2000-05-25 2002-09-06 Thierry Simon Procede de fabrication de feuilles de bois naturel
US6779576B2 (en) * 2001-06-26 2004-08-24 Eric Cable Wood-gluing and clamping system
AT5430U3 (de) * 2002-04-15 2002-11-25 Rosenauer Holzverarbeitungsges Möbelplatte
US20030209318A1 (en) * 2002-05-09 2003-11-13 Henthorn John R. Method for manufacturing fabricated OSB studs
FI119362B (fi) * 2006-09-21 2008-10-31 Raute Oyj Menetelmä ja laitteisto vajaaviilun talteenottamiseksi viilun tuotannossa

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH173818A (de) * 1933-06-29 1934-12-15 Rudolf Dr Ludwig Verfahren zur Herstellung von Sperrholzplatten.
DE1224023B (de) * 1959-01-23 1966-09-01 Roller Fa A Vorrichtung zum Beschneiden von kontinuierlich gefoerdertem, bandfoermigem Arbeitsgut, insbesondere Furnierstreifen
DE1258583B (de) * 1955-06-07 1968-01-11 Heidenreich & Harbeck Gmbh Durchlaufschere zum Ausschneiden fehlerhafter oder ungleichmaessiger Stellen einer Werkstoffbahn, insbesondere Furnierbahn
DE1588301A1 (de) * 1967-09-29 1971-09-30 Heidenreich & Harbeck Gmbh Verfahren zum optimalen Trennen fehlerbehafteter Materialbahnen in nutzbare Abschnitte vorbestimmter Laenge und Vorrichtung zu seiner Durchfuehrung
DE2552710A1 (de) * 1975-11-25 1977-05-26 Karl Bertram Vorrichtung fuer furnierschneidemaschinen zum erkennen von fehlstellen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA460808A (fr) * 1949-11-01 W. Mcclary Harold Traitement du bois de placage
NL270134A (fr) * 1960-10-13
US3969558A (en) * 1972-07-18 1976-07-13 Dantani Plywood Co., Ltd. Veneer sheet of a plurality of thin flat sections of wood
CA997661A (en) * 1975-03-13 1976-09-28 Her Majesty In Right Of Canada As Represented By The Minister Of The Dep Artment Of The Environment Method of joining bodies of green lumber by finger joints
DE2532428A1 (de) * 1975-07-19 1977-02-03 Armin Wiblishauser Furnierbahn und verfahren zu deren herstellung
US4401496A (en) * 1981-11-12 1983-08-30 Armstrong World Industries, Inc. Veneer salvage technique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH173818A (de) * 1933-06-29 1934-12-15 Rudolf Dr Ludwig Verfahren zur Herstellung von Sperrholzplatten.
DE1258583B (de) * 1955-06-07 1968-01-11 Heidenreich & Harbeck Gmbh Durchlaufschere zum Ausschneiden fehlerhafter oder ungleichmaessiger Stellen einer Werkstoffbahn, insbesondere Furnierbahn
DE1224023B (de) * 1959-01-23 1966-09-01 Roller Fa A Vorrichtung zum Beschneiden von kontinuierlich gefoerdertem, bandfoermigem Arbeitsgut, insbesondere Furnierstreifen
DE1588301A1 (de) * 1967-09-29 1971-09-30 Heidenreich & Harbeck Gmbh Verfahren zum optimalen Trennen fehlerbehafteter Materialbahnen in nutzbare Abschnitte vorbestimmter Laenge und Vorrichtung zu seiner Durchfuehrung
DE2552710A1 (de) * 1975-11-25 1977-05-26 Karl Bertram Vorrichtung fuer furnierschneidemaschinen zum erkennen von fehlstellen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2251168A1 (fr) * 2009-05-13 2010-11-17 GreCon Dimter Holzoptimierung Süd GmbH & Co. KG Procédé de fabrication de plaques en bois

Also Published As

Publication number Publication date
DE3377775D1 (en) 1988-09-29
DK150183A (da) 1983-11-07
DK155359C (da) 1989-10-16
DE3217063A1 (de) 1983-11-17
EP0097794B1 (fr) 1988-08-24
DK150183D0 (da) 1983-04-05
US4565597A (en) 1986-01-21
FI831110A0 (fi) 1983-03-30
DE3217063C2 (de) 1984-04-19
JPS58209501A (ja) 1983-12-06
DK155359B (da) 1989-04-03
ATE36665T1 (de) 1988-09-15
FI831110L (fi) 1983-11-07

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