EP3609662B1 - Verfahren zur herstellung eines furniers aus rattan, furnierblatt, formbauteil und verwendung dafür - Google Patents

Verfahren zur herstellung eines furniers aus rattan, furnierblatt, formbauteil und verwendung dafür Download PDF

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Publication number
EP3609662B1
EP3609662B1 EP18728506.9A EP18728506A EP3609662B1 EP 3609662 B1 EP3609662 B1 EP 3609662B1 EP 18728506 A EP18728506 A EP 18728506A EP 3609662 B1 EP3609662 B1 EP 3609662B1
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EP
European Patent Office
Prior art keywords
veneer
base body
profiles
tubes
veneer sheet
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
EP18728506.9A
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German (de)
English (en)
French (fr)
Other versions
EP3609662A1 (de
Inventor
Peter Kraft
Julian Reuter
Moritz Koehn
Felix Wurster
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.)
Ofs Beteiligungs Holding GmbH
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Ofs Beteiligungs Holding 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.)
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Publication date
Application filed by Ofs Beteiligungs Holding GmbH filed Critical Ofs Beteiligungs Holding GmbH
Priority to SI201830647T priority Critical patent/SI3609662T1/sl
Publication of EP3609662A1 publication Critical patent/EP3609662A1/de
Application granted granted Critical
Publication of EP3609662B1 publication Critical patent/EP3609662B1/de
Active 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J1/00—Mechanical working of cane or the like

Definitions

  • the invention relates to a method for producing a veneer from rattan, a veneer sheet, a molded component and the use of a veneer produced in this way.
  • Veneers are usually made of wood and are used as decorative components or decorative parts in various applications. Veneers can be used as decorative coatings or inlays on e.g. furniture or musical instruments. However, veneers can also be used in a wide variety of designs and different surfaces as decorative elements in the housings of electrical devices or as interior fittings in vehicles. The use of a veneer is intended to create a desired, in particular high-quality, impression on an object through a corresponding choice of wood type and through a corresponding visual appearance of the wood. With the individual design of veneers, the selection of the wood in terms of surface quality and color proves to be very time-consuming and expensive.
  • a method for producing a veneer in which flat connecting elements and tubular elements are alternately assembled into a block and then cut transversely to the orientation of the tubular elements is disclosed CH 210249 A .
  • WO 2014/060413 A1 describes a process for the production of a veneer wood multilayer, wherein several peeled veneers are glued to one another and are cut perpendicularly to an adhesive layer.
  • the object of the invention is to specify a method with which the production of an individual veneer is simpler and more economical. Further tasks consist of specifying a veneer sheet, a surface component and a use for such a veneer sheet or surface component.
  • a base body is understood below to mean a plate or a block.
  • the profiles are arranged next to one another in a single layer or layer.
  • the profiles are arranged in several layers or layers next to and on top of each other.
  • step d) is understood below to mean any type of mechanical separation of a veneer sheet from the base body, in particular sawing, knife cutting, laser cutting or water jet cutting.
  • the term profile in step b) is to be understood as meaning a profile wood of any length made of rattan with any cross section, in particular a square, rectangular, polygonal or round cross section.
  • the profile wood is made from the solid material of a rattan rod.
  • a base body described in step c) can also have a square, rectangular, polygonal or round cross section.
  • the profile is obtained from the core material of the rattan rod.
  • a rattan rod In contrast to bamboo, which is hollow in its core, a rattan rod is a solid material and has small tubes running longitudinally along the entire diameter. Bamboo also has a tube running in the longitudinal direction. However, this tube is divided at the nodes (junctions) of the bamboo by a transverse wall (diaphragm). Bamboo therefore does not have a tube that runs continuously in the longitudinal direction. In the following, therefore, a small tube is understood to mean a tube which essentially runs along the entire length of the profile or the rattan rod.
  • the joining of the profiles to form a base body, as described in step c), can take place by gluing and/or pressing.
  • Adjacent profiles can, for example, be glued together over the entire surface.
  • the base body can have any three-dimensional shape.
  • the base body can be a single-layer plate formed from profiles or a multi-layer block formed from profiles.
  • the adhesive is, in particular, a temperature- and moisture-resistant adhesive.
  • the method according to the invention it is possible to produce individual veneer sheets simply and inexpensively. Furthermore, the method can ensure that specified patterns of the veneer are reproducible in their production.
  • the method according to the invention uses rattan as the starting material.
  • Rattan is a product from the trunk of the rattan palm, which is harvested and processed in the form of rattan sticks.
  • the rattan rod consists of many small tubes, which are aligned in the longitudinal direction of the trunk, i.e. the rattan rod.
  • Rattan and the woody tissue of palm trees and other higher plants are not actually wood (http://www. registrationi- registration.com/card/1931907/ technicallyen-sie-holz- Weg- Weg-fashion-b-palme ).
  • a veneer is understood below to mean a thin cover layer which is suitable for being applied to a product to be finished.
  • the veneer is in particular in the form of a veneer sheet.
  • the profiles can have, for example, a triangular, quadrangular (square or rectangular) or hexagonal cross-section.
  • the profiles can expediently have a cross section such that no cavities are formed between the profiles when the profiles are connected to form a base body according to step c).
  • the profiles used in step c) can have different and/or the same lengths.
  • a base body with an individual pattern made of small tubes running in different directions can be created. This makes it possible to produce veneer sheets with an inlay-like appearance.
  • the profiles can be profiles obtained from untreated rattan rods, hereinafter referred to as untreated profiles. But it is also possible that the profiles with a from DE 10 2013 019 223 A1 known methods were treated. At this out DE 10 2013 019 223 A1 known method, the tubes of a rattan rod are filled with a liquid. This material is called karuun ® . Below is a treated profile thus to understand a profile in which the tubes are filled with a liquid, such as a paint or a resin.
  • the base body produced in step c) is constructed from treated and untreated profiles.
  • the individual profiles from which the base body is constructed have the same coloring.
  • a base body is to be constructed in the form of a block
  • plates with a top and bottom can be produced from the profiles produced in step b).
  • the panels produced in this way are joined to form a base body (block).
  • This can result in further advantages with regard to the production of individual veneers. For example, it is possible for several panels of different thicknesses or different colors to be stacked on top of each other. The stacked panels can be joined together, e.g. glued or pressed, or connected to one another using known connection techniques.
  • first panels and second panels in step b) the profiles of the first panels being arranged in such a way that the tubes run horizontally to the top and bottom of the first panel and the profiles of the second panels being arranged in such a way that the tubes are perpendicular to the top and bottom of the second plate.
  • third plates are also produced, in which first small tubes run horizontally and second small tubes run perpendicularly to the upper and lower side of the third plate.
  • the block-shaped base body produced in step c) can be built up alternately or in any order from first and/or second and/or third plates. This allows base bodies to be constructed with an individual pattern.
  • a block-shaped base body can be constructed from several layers of profiles and plates joined together.
  • a plate-shaped base body is made up of a single layer of profiles joined together.
  • a base body In a base body, individual tubes of the rattan material used can be aligned perpendicular to one another. However, it is also possible for a base body to be constructed from profiles and/or plates in such a way that all the small tubes within the base body run parallel to one another.
  • the cut can be made in step d) in such a way that the cutting plane runs at a predeterminable angle, in particular between 0° and 90°, to the longitudinal direction and/or transverse direction of the tubes in the base body.
  • the base body produced in step c) can have a preferred direction.
  • the cut according to step d) can then be made at a predeterminable angle, in particular between 0° and 90° to the preferred direction of the base body.
  • the preferred direction of the base body is expediently the longitudinal axis of the base body.
  • the tubes in the base body expediently run along the longitudinal axis of the base body or perpendicularly thereto.
  • the cut in step d) can be carried out in such a way that the base body is rotated about an axis of rotation during the cutting process. A peeled veneer can thereby be obtained.
  • the cut according to step d) can be carried out in such a way that the veneer sheet has a thickness between 0.3 and 10 mm.
  • a tool with a wedge angle of 9-16°, in particular 11-14° is used. This improves the quality of the cut and ensures that the cut surface, particularly in the area between the tubes, has fewer tears.
  • a material in a step c1), can be applied at least to a surface of the base body that runs perpendicular to a sectional plane.
  • This material can be a coating or an additional plate.
  • the base body can be connected to a holding device.
  • This holding device can, for example, be a plate to which the base body is attached.
  • the base body Before the base body is cut in step d), the base body can be moistened in a subsequent step c3).
  • This humidification can, for example, take place in a temperature-controlled liquid bath.
  • the base body can be soaked in a water bath at a temperature between 60° and 95°, preferably between 70° and 85°. This washing can expediently be carried out over a period of 4 to 12 hours.
  • a liquid bath means on the one hand that the base body is completely surrounded by liquid, e.g. water. On the other hand, this also means that the base body is surrounded by liquid vapour, e.g. water vapour, in a vapor container.
  • An advantage here is that the veneer sheet curls less after step d). Furthermore, this improves the surface of the veneer sheet, in particular the surface becomes smoother. Furthermore, the tear strength of the veneer sheet is improved.
  • the veneer sheet can be expediently dried.
  • a veneer sheet obtained in step d) can be further processed or finished by exposing the small tubes. This can be achieved by e.g. brushing, grinding, blasting, air pressure or laser processes.
  • a liquid, powdery or gaseous material can be introduced and/or applied into the tubes and/or in areas between the tubes of a veneer sheet obtained in step d) and/or the veneer sheet can be subjected to a heat treatment.
  • the liquid can be, for example, stain, lacquer, wax, resin, acid or oil.
  • Flours for example of mineral, synthetic, metallic or organic origin, can be used as the powdered substance.
  • Water vapor, nitrogen, argon or carbon dioxide, for example, can be used as the gaseous substance.
  • a heat treatment can be carried out, for example, by means of flaming or in a tempering furnace.
  • a carrier material can be applied to the back of a veneer sheet obtained in step d) or step d1) and/or a transparent layer can be applied to the visible side of a veneer sheet obtained in step d) or step d1).
  • a carrier material is to be understood here as meaning a material which is suitable for the veneer sheet to be able to be applied to the surface of the material.
  • the carrier material can be a fleece, a textile or a film, for example.
  • the carrier material can also, or in addition to a fleece or a film, be a body with a two- or three-dimensional surface, e.g. a plate or a surface of a piece of furniture or a vehicle interior paneling.
  • one or more veneer sheets to be applied to a fleece, e.g. glued, and then the arrangement of veneer sheet and fleece to be applied, e.g. glued, to the surface of a panel, e.g. furniture table or user interface of a vehicle.
  • a carrier material applied to the back of the veneer sheet, a higher rigidity of the veneer sheet can also be achieved.
  • a plastic can be used as the carrier material.
  • a sheet of veneer can be applied to a fleece and then the arrangement of sheet of veneer and fleece can be sprayed with a plastic on one side or on the fleece side. It is thus possible to create a molded part in a pressure or injection molding process which has a desired physical configuration and which has a layer of fleece and veneer sheet on at least one surface.
  • a transparent layer can be applied to the visible side of the veneer sheet.
  • the weather resistance can be improved, but it is also possible to give the surface of the veneer sheet a desired haptic property.
  • a desired optical effect can be achieved by applying a layer.
  • the layer can be applied by means of an adhesive method or by means of printing, in particular 3D printing methods. Using 3D printing processes, it is possible to print a pattern on the visible surface of a three-dimensionally formed veneer sheet.
  • a further aspect of the invention is the specification of a shaped component, formed from at least one veneer sheet, which is produced according to the method according to the invention.
  • a shaped component is also to be understood as meaning a surface component.
  • this surface component or molded component is characterized in that several veneer sheets are stacked on top of one another and connected to one another. The surface component or molded component is thereby given increased rigidity. By stacking individual sheets of veneer on top of each other, a body with any three-dimensional shape can be produced.
  • the veneer sheet produced by a method according to the invention is applied to a carrier material in order to increase the rigidity of the veneer sheet.
  • the veneer produced by the method according to the invention can be used in any application.
  • the veneer can be used, for example, in the interior and/or exterior of a vehicle.
  • the interior can be a passenger compartment of the vehicle, for example.
  • the use of the veneer in a trunk or a glove compartment of the vehicle is also conceivable.
  • the use of the veneer in the vehicle leads to a higher quality appearance or an upgrade of the vehicle.
  • the manufacturing costs of the vehicle can be reduced.
  • individual surface components can be provided in this way, so that the vehicle can be designed individually.
  • almost identical Surface components are provided to provide different vehicles with the same surface components.
  • identically manufactured surface components can be used as spare parts.
  • a sheet of veneer produced according to the method of the present invention can be used on surfaces of furniture, household or utility items.
  • step a) rattan sticks with longitudinal tubes are provided.
  • the rattan poles can be rattan poles made from raw rattan material. But it can also be rattan rods, which are treated with a liquid.
  • the tubes are completely or partially filled with a liquid.
  • step b) profiles 3 are then produced from these rattan rods, with the small tubes 4 extending in the longitudinal direction of the profiles 3 .
  • the rattan rods are processed in such a way that the profiles 3 have a predetermined cross section, for example a triangular, quadrangular or hexagonal cross section.
  • the profiles 3 have a direction of propagation in the longitudinal direction of the tubes 4 .
  • panels 2 can then be produced from the profiles 3 produced in step b).
  • step c) the profiles 3 produced in step b) or the panels 2 produced in step b1) are processed into a base body 1 .
  • the profiles 3 or panels 2 are appropriately joined together, e.g. glued or pressed.
  • the profiles 3 or plates 2 are arranged in a predetermined direction relative to one another. Adjacent profiles 3 or plates 2 are arranged in such a way that the tubes 4 run parallel and/or perpendicular to one another.
  • the profiles 3 it is also possible or additionally possible for the profiles 3 to be arranged relative to one another in such a way that the tubes 4 have a predetermined angle relative to one another.
  • a material 7 can be applied to a surface of the base body 1 which runs perpendicular to a cutting plane S, S1, S2. This prevents a cut in the direction of the arrow ( 2 ) the surface 1a of the base body 1, on which the material 7 rests, frays or tears due to the cutting process.
  • the base body 1 can be placed in a holding device. The base body 1 can then be moistened in an optional step c3). This humidification can take place, for example, in a temperature-controlled liquid bath or in a steam environment.
  • step d the base body created in step c) is cut or sawn. This creates sheets of veneer.
  • the thickness of the veneer sheets can be adjusted to between 0.3 mm and 10 mm. Of course, smaller or larger thicknesses are also possible.
  • step d1) the veneer sheets are dried.
  • the veneer sheets produced can be further processed in a step e).
  • several sheets of veneer can be connected to one another in the form of a stack.
  • the veneer sheets on the visible side with be coated with a transparent or semi-transparent top layer.
  • the veneer sheets can also be built up with an additional reinforcement layer on the back.
  • step a) the treatment of the rattan sticks with a liquid described in step a) can alternatively also be carried out in step b), such that in step b) the profiles produced are treated with a liquid.
  • the treatment with a liquid can also take place in step c), such that the base body made up of the profiles produced is treated with a liquid.
  • the base body 1 is made up of several plates 2 stacked one on top of the other.
  • Each plate 2 consists of several profiles 3a, 3b.
  • the tubes 4 each run parallel to one another in the longitudinal direction of the profiles 3.
  • the plates 2 are each formed from a plurality of profiles 3a, 3b arranged next to one another.
  • the tubes 4 run, for example, parallel (in the profiles 3b) or perpendicularly (in the profiles 3a) to the top 2a or bottom 2b of the plate 2.
  • the profiles 3a, 3b are glued together, for example. Adjacent panels 2 are glued together on top 2a and bottom 2b.
  • the base body 1 has a surface 1a.
  • This material 7 can be glued to the base body 1 .
  • this material 7 it is also possible for this material 7 to be releasably clamped to the base body 1 .
  • the base body 1 has a sectional plane S.
  • This cutting plane S runs perpendicular to the material 7.
  • the cutting direction is in 2 indicated by the arrow direction. A cut is thus made in the direction of the arrow R through the block 1 in the direction of the material 7 .
  • the fraying or tearing out of the surface 1a is thus reduced or avoided during the cutting process in step d).
  • FIG. 3 shows a perspective view of a second exemplary representation of a block-shaped base body produced in step c).
  • the first body 1 according to 2 are in the in 3 illustrated body 1 all tubes 4 aligned in the profiles 3 parallel to each other.
  • 3 shows two cutting planes S1, S2.
  • the cutting plane S1 runs perpendicularly to the longitudinal axis L of the tubes 4.
  • the veneer sheet produced from this is also referred to as end-grain veneer.
  • This end-grain veneer is characterized by the fact that it is light and sound permeable. This end-grain veneer is therefore suitable, for example, as a lampshade or as a cover for a loudspeaker.
  • Fig.3 also shows a sectional plane S2 perpendicular to the sectional plane S1.
  • This sectional plane S2 runs parallel to the longitudinal axis L of the tubes 4.
  • a sectional plane which runs at a predetermined angle to the sectional plane S1 or S2 is not shown.
  • the base body 1 is constructed, for example, from three profiles 3 arranged next to one another.
  • the plate-shaped base body 1 extends in the longitudinal direction L.
  • the cutting plane S1 runs along the longitudinal direction L. A sheet of veneer is thus produced along the longitudinal direction of the individual tubes 4 .
  • FIG 5 shows an exemplary representation of a veneer sheet produced in step d) with an individual pattern of the tubes 4.
  • the veneer sheet 5 is made up of several profiles 3a, 3b, 3c. Accordingly 2 run the profiles 3a such that the tubes 4 perpendicular to the top and bottom 2a, 2b of the plates 2.
  • the profiles 3b are arranged perpendicularly in such a way that the small tubes 4 run parallel to the upper side and lower side 2a, 2b of the plates 2.
  • 3 shows additional profiles 3c, which are arranged such that the tubes 4 run parallel to the top and bottom 2a, 2b of the plates 2 and perpendicular to the plane of the drawing.
  • FIG. 6 shows in an upper and lower illustration an exemplary representation of a veneer sheet from a base body 1 according to 3 in sectional view.
  • the upper figure shows a veneer sheet 5, along the section plane S1 from the Body 1 according to 3 was cut.
  • the upper figure shows this veneer sheet 5 with a thickness d in a sectional view along plane S2.
  • the tubes 4 are arranged parallel to one another.
  • the veneer sheet 5 is applied to a carrier material 8 on the back.
  • the carrier material 8 can be a fleece or a plate.
  • the arrangement of veneer sheet 5 and carrier material 8 is attached to a holder 10 .
  • the figure below shows an arrangement of two veneer sheets 5 stacked on top of one another, which are applied to a carrier material 8 .
  • a transparent layer 9 is applied to the top of the upper veneer sheet 5 .
  • the carrier material 8 consists of a fleece, a textile or a foil 8a, which is applied to the back of the stack of veneer sheets 5.
  • the arrangement of the veneer sheet stack 5 and the fleece 8a is applied to a carrier 8b, for example a plate.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
EP18728506.9A 2017-04-13 2018-04-13 Verfahren zur herstellung eines furniers aus rattan, furnierblatt, formbauteil und verwendung dafür Active EP3609662B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201830647T SI3609662T1 (sl) 2017-04-13 2018-04-13 Postopek za izdelavo furnirja iz ratana, plošča furnirja, oblikovana komponenta in njih uporaba

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017003643.8A DE102017003643B3 (de) 2017-04-13 2017-04-13 Verfahren zur Herstellung eines Furniers aus Rattan, Furnierblatt, Formbauteil und Verwendung dafür
PCT/DE2018/000102 WO2018188680A1 (de) 2017-04-13 2018-04-13 Verfahren zur herstellung eines furniers aus rattan, furnierblatt, formbauteil und verwendung dafür

Publications (2)

Publication Number Publication Date
EP3609662A1 EP3609662A1 (de) 2020-02-19
EP3609662B1 true EP3609662B1 (de) 2022-03-09

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EP18728506.9A Active EP3609662B1 (de) 2017-04-13 2018-04-13 Verfahren zur herstellung eines furniers aus rattan, furnierblatt, formbauteil und verwendung dafür

Country Status (8)

Country Link
US (1) US11759971B2 (zh)
EP (1) EP3609662B1 (zh)
CN (1) CN110678303A (zh)
DE (1) DE102017003643B3 (zh)
ES (1) ES2911248T3 (zh)
PT (1) PT3609662T (zh)
SI (1) SI3609662T1 (zh)
WO (1) WO2018188680A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111572647B (zh) * 2020-04-30 2022-04-26 浙江鑫宙竹基复合材料科技有限公司 一种竹缠绕厢式货车车体及其制备方法

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CH210249A (de) 1939-07-03 1940-06-30 Keller & Co Ag Verfahren zur Herstellung von porösen Mittelplatten.
BE638430A (zh) 1962-10-09
FR2243794B1 (zh) 1973-09-17 1979-03-23 Sadashige Takeshi
DE3000920A1 (de) * 1980-01-11 1981-07-23 Karl 7500 Karlsruhe Rausch Dekor zur verkleidung und optischen verschoenerung von moebeln
LU82754A1 (de) * 1980-09-08 1982-05-10 Volkmar R Andre Verfahren zum herstellen von holzfurnieren und holzfurnier,hergestellt nach diesem verfahren
JPS5850846B2 (ja) * 1981-01-30 1983-11-12 大弘産業株式会社 突板単板の製造方法
US4810551A (en) * 1985-12-16 1989-03-07 Chu Alan C Bamboo board
CN1044063A (zh) * 1989-01-12 1990-07-25 李维楹 立木胶合板的制造方法
CA2048388C (en) * 1990-08-16 1996-12-03 Yasuo Tamura Laminated material and process for manufacturing the same
DE19605525A1 (de) 1996-02-15 1997-08-21 Heerklotz Siegfried Lattenrost, insbesondere für Polsterkörper
DE20120158U1 (de) 2001-12-12 2002-03-14 Janson, Manfred, 96106 Ebern Flechtmaterialstreifen zur Herstellung eines Flächenflechtwerkes oder eines Formflechtwerkes
NL1019971C2 (nl) * 2002-01-11 2003-07-15 Mvp Internat B V Werkwijze voor het vervaardigen van bamboefineer en bamboefineer te vervaardigen door toepassing van zo een werkwijze.
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WO2014060413A1 (de) 2012-10-18 2014-04-24 Ostenbach Gmbh Furnierholzmehrschicht
DE102013019223B4 (de) 2013-11-15 2015-08-27 Peter Kraft Verfahren zur Behandlung von Rattan
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Publication number Publication date
US20210129373A1 (en) 2021-05-06
WO2018188680A1 (de) 2018-10-18
CN110678303A (zh) 2020-01-10
US11759971B2 (en) 2023-09-19
EP3609662A1 (de) 2020-02-19
PT3609662T (pt) 2022-04-20
SI3609662T1 (sl) 2022-06-30
ES2911248T3 (es) 2022-05-18
DE102017003643B3 (de) 2018-05-30

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