DE8417691U1 - Lattice-reinforced wood veneer - Google Patents
Lattice-reinforced wood veneerInfo
- Publication number
- DE8417691U1 DE8417691U1 DE8417691U DE8417691U DE8417691U1 DE 8417691 U1 DE8417691 U1 DE 8417691U1 DE 8417691 U DE8417691 U DE 8417691U DE 8417691 U DE8417691 U DE 8417691U DE 8417691 U1 DE8417691 U1 DE 8417691U1
- Authority
- DE
- Germany
- Prior art keywords
- wood veneer
- lattice
- reinforced wood
- glue
- hotmelt
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/10—Next to a fibrous or filamentary layer
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Description
■ BEIERSDORF AKTIENGESELLSCHAFT■ BEIERSDORF AKTIENGESELLSCHAFT
- ' HAMBURG- 'HAMBURG
Gitterverstärktes Holzfurnier i Lattice-reinforced wood veneer i
Holzfurniere werden in großen Umfang verwendet'. Vielfach werden bei der Herstellung von MöbelnWood veneers are used extensively '. Often used in the manufacture of furniture
und dergleichen k.ine Vollholzprofile oder Leisten verwendet, sondern vorgeformte Kernprofile aus preiswerteren Hartholz, Spanplatten, oder Hartfaserplatten. Diese werden mit einem dünnen Holzfurnier ummantelt und geben so den Anschein eines Vollholzteiles. and the like, no solid wood profiles or strips are used, but preformed core profiles cheaper hardwood, chipboard, or hardboard. These are covered with a thin wood veneer encased and give the appearance of a solid wood part.
Da Holzfurniere aber leicht brechen, ist es angezeigt, sie vor dem Ummanteln zu stabilisieren, um beim Verformen und anschließenden VerleimenHowever, since wood veneers break easily, it is advisable to stabilize them before wrapping, around when shaping and then gluing
• 15 mit Hotmelt ein Brechen zu verhindern. Dazu sind verschiedene Verfahren vorgeschlagen worden.• 15 with hotmelt to prevent breakage. Various methods have been proposed for this purpose.
Eine Methode besteht darin, ein Holzfurnier mit einem Klebeband abzudecken, und dies nach dem Verleimen von der Oberfläche wieder zu entfernen. Die Nachteile dieser Methode liegen auf der Hand,One method is to cover a wood veneer with tape, and do so after the Glue to remove from the surface. The disadvantages of this method are obvious,
Klebstoffrückstände können an der Furnieroberfläche verbleiben, und in der Praxis hat sich dies nicht durchsetzen können.Adhesive residue can remain on the veneer surface, and in practice this has not been the case can enforce.
Zur Zeit werden Furniere an der UnterseiteCurrently there are veneers on the bottom
, 25 mit einem Vlies beklebt, ausgerüstet mit einer Spezialimprägnierung z.B. PVAC-dispersion, das auch bei Temperaturen über 1000C noch zuverlässig haftet., 25 covered with a non-woven equipped PVAC dispersion is specially treated, for example, which still adheres reliably even at temperatures above 100 0C.
I I t I I >I I t I I>
I IIII III
Das Vlies ist dabei z.B, mit PVAC imprägniert und wird vor dem Verkleben mit dem Holzfurnier aktiviert. Beim Ummanteln wird dann das Vlies mit Hotmelt auf den vorgeformten Kern verklebt, wobei sich Jedoch nachteilig auswirkt, daß eine zuverlässige Verklebung zwischen Hotmelt und dem Dispersionsimprägnierten Vlies problematisch ist und häufig zu Ablösungen und Reklamationen führt.The fleece is, for example, impregnated with PVAC and is activated before gluing with the wood veneer. When sheathing, the fleece is then glued to the preformed core with hotmelt, whereby However, it has a disadvantageous effect that a reliable bond between the hotmelt and the dispersion-impregnated material Fleece is problematic and often leads to detachments and complaints.
Aus der DE-PS 2 901 728 ist es bekannt, dekorative Teile, die später auf z.B. Stoffe aufgebracht werden sollen, vorher in den richtigen Abständen zueinander zu fixieren. Das Fixieren erfolgt dabei dadurch, daß die dekorativen Teile mit einer Schmelzkleberschicht versehen und auf einem weitmaschigen Träger fixiert werden. Es werden also Teile positionisiert, die später mit dem gleichen Schmelzkleber, mit dem sie fixiert wurden, auch verklebt werden. Nachteilig an dieser Lösung ist es, daß bei der Verarbeitung die Stabilisierung der Teile verlorengeht, da der eingesetzte Hotmelt in der Wärme unter Verarbeitungsbedingungen die Verklebung zum fixierten Teil hin löst, was im Falle eines Furniers zum Verrutschen und Verlust der Armierung/Stabilisierung führt.From DE-PS 2 901 728 it is known, decorative parts that are later applied to e.g. fabrics should be fixed beforehand at the correct distances from one another. The fixation takes place in that the decorative parts are provided with a hotmelt adhesive layer and on a wide mesh Brackets are fixed. This means that parts are positioned that will later be used with the same hot melt adhesive, with which they were fixed can also be glued. The disadvantage of this solution is that in the Processing the stabilization of the parts is lost, since the hotmelt used in the heat under Processing conditions the bond to the fixed part loosens, which in the case of a veneer to the Slipping and loss of reinforcement / stabilization leads.
Aufgabe der Erfindung war es, hier Abhilfe zu schaffen, insbesondere ein glasfaserverstärktes Holzfurnier mit Hotmelt-Kleber zu verkleben, das die Nachteile des Standes der Technik nicht, oder zumindest in wesentlich geringerem Umfange aufweist.The object of the invention was to provide a remedy here, in particular a glass fiber reinforced one To glue wood veneer with hotmelt glue, which does not have the disadvantages of the prior art, or at least to a much lesser extent.
Demgemäß besteht die Erfindung in einem gitter-, insbesondere faserverstärkten HolzfurnierAccordingly, the invention consists in a lattice-reinforced, in particular fiber-reinforced, wood veneer
das dadurch gekennzeichnet ist, daß es als Gitterverstärkung ein grobmaschiges Gitter aufweist, das mit einem Leim imprägniert und auf das Holzfurnier aufgeklebt istwhich is characterized in that it has a coarse-meshed lattice as a lattice reinforcement, which is impregnated with a glue and glued to the wood veneer
Vorteilhaft ist der Leim ein Polyvinylacetat (PVAC) oder andere Dispersionsleime. Beim Verkleben des imprägnierten Gitters mit dem Holzfurnier wird vorteilhaft der Leim mit einem Lösungsmittel, wie Essigester, aktiviert.The glue is advantageously a polyvinyl acetate (PVAC) or other dispersion glue. When gluing of the impregnated grid with the wood veneer is advantageously the glue with a solvent, such as Ethyl acetate, activated.
Von besonderem Vorteil ist es, als Glasfasergitter ein offenmaschiges Gewebe zu verwenden. Beim Verkleben mit Hotmelt resultiert dadurch eine zuverlässige Verbindung des Furniers zum Verklebungsuntergrund, da der Hotmelt durch das Gelege eine direkte Verbindung zum verstärkten Material herstellt, ohne bei dem Verklebungsvorgang die Haftung der Verstärkung zum verstärkten Material hin zu lösen.It is particularly advantageous to use an open-meshed fabric as the glass fiber grating. When gluing with hotmelt, this results in a reliable connection between the veneer and the substrate, because the hotmelt creates a direct connection to the reinforced material through the scrim, without loosening the adhesion of the reinforcement to the reinforced material during the gluing process.
Vorteilhaft besteht ferner das Gitter aus einem Glasfasergitter aus flachen Glasfasersträngen. Damit wird erreicht, daß die Armierung nicht zu sehr auf dem Holzfurnier aufträgt.The grating also advantageously consists of a glass fiber grating made of flat glass fiber strands. This ensures that the reinforcement does not apply too much to the wood veneer.
In der Fig. 1 ist eine beispielhafte Ausführungsform der Erfindung dargestellt, ohne damit den Schutz auf diese Ausführungsform beschränken zu wollen. Diese Fig. 1 zeigt einen Ausschnitt eines Holzfurniers 1, auf dem sich ein grobmaschiges Glasfasergitter 2 befindet. Dieses Glasfasergitter weist eine PVAC-Imprägnierung auf. Dieses Holzfurnier kann als flächiges Gebilde oder aber locker aufgerollt vorliegen, je nach Biegsamkeit und sonstigen Eigenschaften des verwendeten Holzfurniers, wie dies an sich bekannt ist.In Fig. 1, an exemplary embodiment of the invention is shown without limit protection to this embodiment to want. This Fig. 1 shows a section of a wood veneer 1 on which a coarse-meshed Fiberglass grating 2 is located. This fiberglass grating has a PVAC impregnation. This wood veneer can be present as a flat structure or loosely rolled up, depending on flexibility and others Properties of the wood veneer used, as is known per se.
• ·• ·
• ·»· t• · »· t
Verarbeiten läßt sich das erfindungsgemäße
Furnier in der üblichen Weise, insbesondere indem man Hotmelt zur Verklebung verwendet. Dabei kann
man z.B. das Hotmelt aus der Schmelze aufbringen oder man kann das erfindungsgemäße Furnier zuvor
mit Hotmelt beschichten und dieses vor dem Verkleben durch Hitze reaktivieren.The invention can be processed
Veneer in the usual way, in particular by using hotmelt for gluing. For example, the hotmelt can be applied from the melt or the veneer according to the invention can be coated beforehand with hotmelt and reactivated by heat before gluing.
ItIl I ·ItIl I
Claims (5)
gekennzeichnet, daß es als Gitterverstärkung ein grobmaschiges Gitter (2) aufweist, das mit einem Leim imprägniert und auf das Holzfurnier (1) aufgeklebt ist.1. Lattice-reinforced wood veneer, thereby
characterized in that it has a coarse-meshed grid (2) as a grid reinforcement, which is impregnated with a glue and glued to the wood veneer (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8417691U DE8417691U1 (en) | 1984-06-09 | 1984-06-09 | Lattice-reinforced wood veneer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8417691U DE8417691U1 (en) | 1984-06-09 | 1984-06-09 | Lattice-reinforced wood veneer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8417691U1 true DE8417691U1 (en) | 1985-10-03 |
Family
ID=6767782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8417691U Expired DE8417691U1 (en) | 1984-06-09 | 1984-06-09 | Lattice-reinforced wood veneer |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8417691U1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011115897A1 (en) * | 2011-05-14 | 2012-11-15 | Kettler Consulting & Engineering | Lightweight panel, method for manufacturing and apparatus for manufacturing |
AT519940B1 (en) * | 2017-04-24 | 2019-11-15 | Schmidt Michael | Composite wooden element |
-
1984
- 1984-06-09 DE DE8417691U patent/DE8417691U1/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011115897A1 (en) * | 2011-05-14 | 2012-11-15 | Kettler Consulting & Engineering | Lightweight panel, method for manufacturing and apparatus for manufacturing |
AT519940B1 (en) * | 2017-04-24 | 2019-11-15 | Schmidt Michael | Composite wooden element |
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