EP0521363B1 - Verfahren zum Herstellen von Massivholz-Verbundplatten - Google Patents

Verfahren zum Herstellen von Massivholz-Verbundplatten Download PDF

Info

Publication number
EP0521363B1
EP0521363B1 EP92110458A EP92110458A EP0521363B1 EP 0521363 B1 EP0521363 B1 EP 0521363B1 EP 92110458 A EP92110458 A EP 92110458A EP 92110458 A EP92110458 A EP 92110458A EP 0521363 B1 EP0521363 B1 EP 0521363B1
Authority
EP
European Patent Office
Prior art keywords
boards
cut
cutting
produced
layers
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
Application number
EP92110458A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0521363A1 (de
Inventor
Josef Traben
Siegmar Gönner
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.)
Gebrueder Linck Maschinenfabrik Gatterlinck GmbH and Co KG
Original Assignee
Gebrueder Linck Maschinenfabrik Gatterlinck GmbH and Co KG
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 Gebrueder Linck Maschinenfabrik Gatterlinck GmbH and Co KG filed Critical Gebrueder Linck Maschinenfabrik Gatterlinck GmbH and Co KG
Publication of EP0521363A1 publication Critical patent/EP0521363A1/de
Application granted granted Critical
Publication of EP0521363B1 publication Critical patent/EP0521363B1/de
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
    • 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
    • B27L5/06—Cutting strips from a stationarily- held trunk or piece by a rocking knife carrier, or from rocking trunk or piece by a stationarily-held knife carrier; Veneer- cutting machines
    • 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
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets

Definitions

  • the invention relates to a method for producing solid wood composite panels according to the preamble of claim 1 and a composite panel produced by such a method.
  • the board Since the knives used for cutting must have a finite thickness, the board, which is separated from a squared timber, is bent away from the squared timber at the angle of the knife wedge and is exposed to certain mechanical stresses.
  • the board cut from the squared timber thus receives, for example, two differently behaving sides, namely an "open side” with which it faced the knife when it was cut and a "closed side” which became the outside of the residual squared timber after the previous cut. For this reason, it is already proposed in DE-OS 39 36 312 to use only the closed sides of the cut boards as outer surfaces of composite panels.
  • cut boards preferentially absorb moisture from the end face and draw it into the board up to a certain distance from the end face, which can result in warping in the end region of the boards.
  • the invention has for its object to eliminate the problem encountered, while the outstanding economic advantages of using cut boards should be preserved as possible.
  • DE-OS 40 26 346 already describes a method of dividing a squared timber as completely as possible into boards of the same thickness, so that the last remaining board with a corresponding thickness is obtained and can be used in the further manufacturing process.
  • non-cut boards are also suitable for use in the production of squared timber from logs, for example for the cutting process. sawn side goods.
  • This side product is often of limited use for other purposes, so that it is available for use in accordance with the present invention.
  • This side product must also be dried beforehand in accordance with the requirements of composite panel production. Since the thickness of the boards to be produced has to be kept relatively accurate in the production of composite panels, it may be necessary to process the side goods used beforehand. This may be necessary in particular if the side goods have an outer surface that was created by flattening a tree trunk using milling heads. The invention is of particular importance in the production of three-layer composite panels.
  • the two outer layers are composed of cut boards, the opposite side of the cut cover board, that is to say the side facing away from the cutting knife and consequently having a closed surface, pointing outwards at least on one outside of the composite panel. It can be from be an additional advantage for the dimensional stability of the plate produced, if the boards of the middle layer are placed so that the concave and convex side of the annual rings alternately points to a plate side.
  • Precautions against the ingress of moisture can possibly also be taken by impregnating the boards accordingly.
  • the boards are only impregnated from their end faces, they can become ineffective if a composite panel is divided into different partial panels, for example during further processing, so that new board end faces are exposed to the environment.
  • the measure according to the invention is independent of these influences.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Laminated Bodies (AREA)
EP92110458A 1991-07-05 1992-06-20 Verfahren zum Herstellen von Massivholz-Verbundplatten Expired - Lifetime EP0521363B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4122365A DE4122365A1 (de) 1991-07-05 1991-07-05 Verfahren zum herstellen von massivholz-verbundplatten
DE4122365 1991-07-05

Publications (2)

Publication Number Publication Date
EP0521363A1 EP0521363A1 (de) 1993-01-07
EP0521363B1 true EP0521363B1 (de) 1995-04-26

Family

ID=6435558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92110458A Expired - Lifetime EP0521363B1 (de) 1991-07-05 1992-06-20 Verfahren zum Herstellen von Massivholz-Verbundplatten

Country Status (3)

Country Link
EP (1) EP0521363B1 (enrdf_load_stackoverflow)
AT (1) ATE121664T1 (enrdf_load_stackoverflow)
DE (2) DE4122365A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4244311A1 (de) * 1992-12-28 1994-06-30 Linck Masch Gatterlinck Herstellung von Parkettlaminaten
DE10036034C2 (de) * 2000-07-24 2003-12-18 Ihd Inst Fuer Holztechnologie Drei-oder mehrlagige Verbundplatte

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE477424C (de) * 1929-06-06 Sperrholzwerke Tiedemann A G Verfahren zur Herstellung von Sperrholzplatten
DE641101C (de) * 1937-01-20 Hans Brochenberger Verfahren zur Herstellung von zusammengesetzten Brettern mit ausschliesslich stehenden Jahresringen, besonders fuer Sperrholzmittellagen
CH167864A (de) * 1933-03-28 1934-03-15 Goehner Ernst Sperrholzplatte.
US2419614A (en) * 1944-08-09 1947-04-29 Arthur R Welch Coated wood product
FR1049846A (fr) * 1952-01-24 1954-01-04 Perfectionnement à la fabrication des panneaux en bois contre-plaqué
CH425211A (de) * 1964-06-05 1966-11-30 Tschopp Saegerei Und Mittelage Verfahren zum Herstellen einer Dreischichten-Holzplatte und nach diesem Verfahren hergestellte Dreischichten-Holzplatte
DE4026346A1 (de) * 1989-11-01 1991-05-02 Linck Masch Gatterlinck Verfahren zum spanlosen aufteilen eines kantholzes in bretter gleicher dicke
DE3936312A1 (de) * 1989-11-01 1991-05-02 Linck Masch Gatterlinck Verfahren zum herstellen einer mehrschicht-massivholzplatte
DE4026348A1 (de) * 1990-03-17 1991-09-19 Linck Masch Gatterlinck Verfahren zum herstellen von mehrschicht-laminaterzeugnissen aus holz und anlage zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
DE59202009D1 (de) 1995-06-01
DE4122365A1 (de) 1993-01-07
EP0521363A1 (de) 1993-01-07
DE4122365C2 (enrdf_load_stackoverflow) 1993-04-29
ATE121664T1 (de) 1995-05-15

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