EP3285979B1 - Procede de fabrication de plaques, disques et autres formes a partir d'ecorce de bouleaux - Google Patents

Procede de fabrication de plaques, disques et autres formes a partir d'ecorce de bouleaux Download PDF

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Publication number
EP3285979B1
EP3285979B1 EP16739013.7A EP16739013A EP3285979B1 EP 3285979 B1 EP3285979 B1 EP 3285979B1 EP 16739013 A EP16739013 A EP 16739013A EP 3285979 B1 EP3285979 B1 EP 3285979B1
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EP
European Patent Office
Prior art keywords
birch bark
pieces
layers
plates
bodies
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.)
Active
Application number
EP16739013.7A
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German (de)
English (en)
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EP3285979A1 (fr
Inventor
Gernot Iske
Christoph Cramer
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Nevi GmbH
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/0026—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally
    • B27M3/0053—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally using glue
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/005—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising microparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/0278—Processes; Apparatus involving an additional treatment during or after impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/15—Impregnating involving polymerisation including use of polymer-containing impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood

Definitions

  • the invention relates to advantageous processing of birch bark pieces into slabs, disks and other bodies with improved surface.
  • the WO 95/31710 A1 describes a method for determining the quality parameters of cellulose fibers before, during and also after their processing into final products. Birch wood and birch bark mulch was also investigated.
  • an adhesive composition which comprises water-soluble carbohydrates derived from a lignocellulosic material and phenolic compounds provided by an extract of bark, wood or nutshells.
  • the WO 2012/038594 A1 describes a composite material and a method of making it using wood fiber or wood fiber containing materials and a polymer.
  • the composite material is characterized by improved properties such as increased surface hardness, scratch resistance and other strength properties, low hygroscopicity and biological resistance to fungi and insects.
  • the birch bark pieces are alternately stacked rotated by 90 ° corresponding to the main fiber direction and glued into a block. By layering with changing fiber direction a higher strength is achieved.
  • a further advantageous embodiment provides that in the birch bark pieces before the binder wetting in the area a plurality of holes or through holes are introduced by selective impressions, punching or drilling.
  • the object of the invention is to improve the surfaces of the plates made of birch bark, profiles and body.
  • the invention proposes that the binder is added as filler dust from birch bark.
  • the dust as well as the birch bark has antiseptic effect.
  • Dust with a grain size of less than 0.35 mm is preferably used.
  • the proportion of the dust should not exceed 40% by weight of the binder.
  • the binder used is preferably an adhesive.
  • the birch bark pieces are brushed on both sides in a preferred embodiment prior to wetting with binder, so that the birch bark pieces have perforations.
  • the layered body is a block which consists of layers of birch bark pieces stacked on top of one another, wherein at least one layer is composed over its entire area of pieces of birch bark.
  • the main fiber direction of the birch bark pieces of each layer is rectified and superimposed layers have an offset of 90 ° in the main fiber direction.
  • the thus prepared block of birch bark layers is dissected by cutting at an angle ( ⁇ ) to the surface of the layers along cutting lines in slices or plates or bodies, wherein the cut surfaces form the useful surface.
  • ⁇ is preferably 90 ° and the cutting lines are parallel and at equal intervals.
  • Such plates or slices can then be glued to achieve a larger usable space on a substrate.
  • support materials wood, wood materials, plastics, metals, screed, etc. are suitable.
  • plates, tiles or planks prepared by the described method, used in damp areas and so-called "barefoot zones”. These can be shower mats or floors, floors or even wall coverings, room dividers or furniture, etc. Especially in bath, shower and sauna areas, bacterial and fungal transmission is prevented by the antiseptic effect of the birch bark. In addition, there is a very high slip resistance as well as the tactile effect on contact of the usable surfaces by the human skin.
  • Sliced prismatic bodies may be mechanically processed into cylindrical or spherical or other bodies or combinations thereof and provided with a bore or blind bore so that they can be used as a handle for use by the human hand.
  • the Fig. 1 shows a block 1 of the stacked layers 2.1 - 2.n consists of birch bark pieces 3, wherein the majority of the layers 2 are composed over the entire surface of Birkenrinden Divisionen 3. This can be seen in the uppermost layer 2.n.
  • the illustration shows the principle why the layers 2.1 - 2.n were represented by straight lines. Since the birch bark pieces 3 have different thicknesses and are not even in itself, the natural shape is slightly wavy, with some compensation takes place when curing under pressure.
  • the main fiber direction of the birch bark pieces 3 of each layer 2 is rectified and superimposed layers 2.1 - 2.2 to 2.n-1 - 2.n have an offset of 90 ° in the main fiber direction.
  • the cut birch bark pieces 3 have been brushed on both sides before wetting with binder so that the birch bark pieces 3 have perforations.
  • the binder used has dust from birch bark as a filler, the dust having a particle size of less than 0.35 mm and its weight fraction is preferably between 4 and 40% by weight of the binder.
  • the birch bark pieces 3 of each layer 2 are adhesively bonded to the respective underlying layer 2.
  • the first layer 2.1 is arranged on a carrier.
  • the block 1 can be trimmed before being further processed into slices 4 or plates or other bodies by at least one cut or brought into a dimensionally stable shape.
  • the block 1 of birch bark layers 2.1 - 2.n is separated by cuts at an angle ⁇ to the surface of the layers 2.1 - 2.n guided along sections 5 in slices 4 with the dimension length L, width B and height H, where ⁇ here 90 °, d. H. they are vertical cuts.
  • the usable area is formed by the cut surface.
  • Such discs 4 or plates can then be glued to achieve greater usable space in shock on a substrate.
  • prismatic bodies can also be cut out, which can be used as profiles or mechanically processed into cylindrical or spherical or other bodies or combinations thereof.
  • cylindrical spherical or other body can be used as handles, in which they are attached, for example, a Erl.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Laminated Bodies (AREA)

Claims (9)

  1. Procédé de fabrication de plaques, de lamelles et d'autres corps constitués de morceaux d'écorce de bouleau, dont la couche extérieure est enlevée, qui sont découpés à une certaine dimension de surface, qui sont mouillés au moins en partie avec un liant, puis empilés et durcis à une pression définie pour former un corps stratifié, qui est usiné mécaniquement, caractérisé en ce que
    de la poussière à base d'écorce de bouleau est ajoutée au liant comme agent de remplissage.
  2. Procédé selon la revendication 1, caractérisé en ce que
    la poussière présente une taille de grain inférieure à 0,35 mm.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que
    le pourcentage pondéral de la poussière de ponçage atteint jusqu'à 40% en poids du liant.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que
    les morceaux d'écorce de bouleau (3) sont brossés sur leurs deux faces avant le mouillage avec du liant, si bien que les morceaux d'écorce de bouleau (3) présentent des perforations.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que
    le corps stratifié est un bloc (1), qui se compose de couches superposées (2.1 - 2.n) à base de morceaux d'écorce de bouleau (3), dans lequel au moins une couche (2) est composée de morceaux d'écorce de bouleau (3) sur toute sa surface.
  6. Procédé selon la revendication 5, caractérisé en ce que
    la direction principale des fibres des morceaux d'écorce de bouleau (3) de chaque couche (2) est alignée dans le même sens et que les couches superposées (2.1 - 2.2 jusqu'à 2.n-1 - 2.n) présentent un décalage de 90° en ce qui concerne la direction principale des fibres.
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que
    le bloc (1) composé de couches d'écorce de bouleau (2.1 - 2.n) est débité en lamelles (4) ou en plaques ou en corps par des coupes exécutées à un angle (α) par rapport à la surface des couches (2.1 - 2.n) le long des lignes de découpe (5), dans lequel les sections de coupe forment la surface utile.
  8. Procédé selon la revendication 7, caractérisé en ce que
    les plaques ou les lamelles (4) sont collées sur un matériau de support.
  9. Procédé selon la revendication 7, caractérisé en ce que
    des corps prismatiques sont transformés mécaniquement en des corps de forme cylindrique ou de forme sphérique ou autres ou en des combinaisons de ceux-ci et qu'ils sont dotés d'un perçage ou d'un trou borgne.
EP16739013.7A 2015-04-23 2016-04-18 Procede de fabrication de plaques, disques et autres formes a partir d'ecorce de bouleaux Active EP3285979B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015005379.5A DE102015005379B4 (de) 2015-04-23 2015-04-23 Verfahren zum Herstellen von Platten, Scheiben und anderen Körpern aus Birkenrindenstücken
PCT/DE2016/000170 WO2016169546A1 (fr) 2015-04-23 2016-04-18 Procédé de fabrication de plaques, de disques et d'autres corps à partir de morceaux d'écorce de bouleau

Publications (2)

Publication Number Publication Date
EP3285979A1 EP3285979A1 (fr) 2018-02-28
EP3285979B1 true EP3285979B1 (fr) 2019-11-27

Family

ID=56413446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16739013.7A Active EP3285979B1 (fr) 2015-04-23 2016-04-18 Procede de fabrication de plaques, disques et autres formes a partir d'ecorce de bouleaux

Country Status (4)

Country Link
EP (1) EP3285979B1 (fr)
DE (1) DE102015005379B4 (fr)
RU (1) RU2723320C2 (fr)
WO (1) WO2016169546A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK3305521T3 (da) 2016-10-06 2019-08-19 Burghard Claus Birkebarklaminat, fremgangsmåde til fremstilling af laminatet og genstande fremstillet af laminatet
CN113211564A (zh) * 2021-03-04 2021-08-06 山东拜尔新材料有限公司 一种利用大蛋白胶生产的无醛阻燃胶合板及制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU82607A1 (ru) * 1949-01-17 1949-11-30 М.А. Лагунов Способ изготовлени древесных термоизол ционных плит и других изол ционных изделий
US4301202A (en) * 1978-06-26 1981-11-17 Baltek Corporation Technique for converting balsa logs into panels
US4221751A (en) * 1979-03-07 1980-09-09 Board Of Control Of Michigan Technological University Articles molded from papermill sludge
SU857206A1 (ru) * 1979-08-02 1981-08-23 Центральный Научно-Исследовательский Институт Фанеры Научно-Производственного Фанерного Объединения Клей дл фанеры
SE9401707L (sv) * 1994-05-18 1995-11-19 Christer Bjoerklund Spektrofotometrisk metod att mäta kvalitets och styrke parametrar hos träd, virke trävaror, flis, spån, massa och papper
US6589460B1 (en) * 1997-02-20 2003-07-08 Kuo Cheng Shen Adhesive composition and its use
RU2240334C1 (ru) * 2003-06-25 2004-11-20 Общество с ограниченной ответственностью "ТрансПлюс" Композиция на древесной основе
US20090291286A1 (en) * 2008-03-04 2009-11-26 Ziming Shen Laminate manufacturing system, method, and article of manufacture
DE102008032940B4 (de) * 2008-07-12 2013-06-13 Christoph Cramer Verfahren zur Herstellung von Gegenständen aus Reststoffen der Nutzholzgewinnung und danach hergestellte Gegenstände
CA2810591C (fr) * 2010-09-21 2021-12-28 Stora Enso Wood Products Oy Ltd Composite

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3285979A1 (fr) 2018-02-28
RU2017140513A3 (fr) 2019-10-17
RU2017140513A (ru) 2019-05-23
RU2723320C2 (ru) 2020-06-09
DE102015005379B4 (de) 2017-06-01
DE102015005379A1 (de) 2016-10-27
WO2016169546A1 (fr) 2016-10-27

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