CH294089A - Process for the production of veneered panels with a profile and veneered panel produced by the process. - Google Patents

Process for the production of veneered panels with a profile and veneered panel produced by the process.

Info

Publication number
CH294089A
CH294089A CH294089DA CH294089A CH 294089 A CH294089 A CH 294089A CH 294089D A CH294089D A CH 294089DA CH 294089 A CH294089 A CH 294089A
Authority
CH
Switzerland
Prior art keywords
veneer
veneered
layer
veneers
glue
Prior art date
Application number
Other languages
German (de)
Inventor
Harder Paul
Original Assignee
Harder Paul
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 Harder Paul filed Critical Harder Paul
Publication of CH294089A publication Critical patent/CH294089A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/243Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 one at least of the material being insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27MWORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0093Manufacture or reconditioning of specific semi-finished or finished articles of raised panels, i.e. panels having a profiled surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B29C43/183Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles the preformed layer being a lining, e.g. shaped in the mould before compression moulding, or a preformed shell adapted to the shape of the mould
    • B29C43/184Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles the preformed layer being a lining, e.g. shaped in the mould before compression moulding, or a preformed shell adapted to the shape of the mould shaped by the compression of the material during moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B29C2043/185Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles using adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B29C2043/189Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles the parts being joined

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Forests & Forestry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)

Description

  

  Verfahren zur Herstellung von furnierten Platten     mit    einer Profilierung  und nach dem Verfahren hergestellte     furnierte    Platte.    Gegenstand vorliegender Erfindung ist ein  Verfahren zur Herstellung furnierter Platten  mit einer Profilierung.  



  Bisher hat man als Trägerschicht für fur  nierte Platten mit Profilierung eine Tischler  platte verwendet, an welcher man die ge  wünschte Profilierung in teurer Arbeit her  stellen musste, worauf man erst das Furnier  auf die profilierte Tischlerplatte     aufpresste.     Dieses Verfahren hat den weiteren Nachteil,  dass z. B. beim Furnieren einer auf Gehrung  gekehlten und gewellten Tischlerplatte das  Furnier reisst und sich an den Kanten über=  stösst.  



  In einem andern bekannten Herstellungs  verfahren gewölbter furnierter Platten wird  die Trägerschicht durch     Verleimung    mehre  rer Furniere hergestellt und nach deren Pro  filierung das Furnier     aufgepresst    und auf  geleimt. Das erhaltene Produkt ist in seiner  Qualität vorzüglich, aber sehr teuer in der  Herstellung.  



  Das erfindungsgemässe Verfahren zur Her  stellung von furnierten Platten mit einer Pro  filierung ist dadurch gekennzeichnet, dass man  mindestens ein Furnier auf einer aus einem  Gemisch von zerkleinertem Fasermaterial und  Bindemittel bestehenden Schicht unter gleich  zeitiger Verformung von Furnier und Ge  mischschicht     aufpresst    und nach dem Abbin  den des Bindemittels die     Presswirkung    auf die  nun fertige, furnierte Platte aufhebt. Da die  noch nicht abgebundene Gemischschicht beim       Aufpressen    des Furniers nachgibt, tritt beim    Verformen des Furniers ein Reissen und ein       Lberstossen    desselben an den Kanten nicht auf.  



  Bei einer besonderen Ausführungsform des  Verfahrens legt man mindestens zwei Furniere  mit quer zueinander liegenden Fasern auf  einander, nachdem man zwecks     Verleimung     mindestens auf das eine Leim aufgetragen hat,  und diese Furniere auf die Gemischschicht,  nachdem man mindestens auf die eine der da  bei zur Berührung kommenden Flächen Leim  aufgetragen hat, um hernach Furniere und  Gemischschicht gleichzeitig durch Druckwir  kung zu verformen.  



  Die Anordnung der zwei Furniere mit  quer zueinander verlaufenden Fasern hat den  Vorteil, dass keines der beiden in der fertig  gestellten Platte sich nach irgendeiner Seite  bewegen kann, da die beiden Furniere sich  gegenseitig absperren. Hat zum Beispiel die       Gemischsehicht    einen unerwünschten Hohl  raum, so würde sich ein einziges Furnier in  diesen Hohlraum einziehen. Das ist nicht der  Fall bei zwei sich gegenseitig absperrenden       Furnierschichten.    Da sich während der Her  stellung ausserdem zwischen beiden Furnieren  eine noch nicht abgebundene Leimmasse, zum  Beispiel     Kunstharzleim,    befindet, so gleiten  die beiden     Furnierschichten    beim Pressen auf  einander, was ein Reissen derselben verhin  dert.  



  Beiliegende Zeichnung zeigt in einer räum  lichen Darstellung eine beispielsweise Aus  führungsform der profilierten furnierten  Platte gemäss der Erfindung, an Hand welcher      auch gezeigt werden soll,     wie    das Verfahren  beispielsweise durchgeführt werden kann.  



  Die Platte hat ausser einem auf Gehrung  gekehlten Rand 1 verschiedene als     Wölbungen     ausgebildete Profilierungen in Form von ge  wellten Partien 2. Das Ausgangsmaterial ihrer  Trägerschicht 3 besteht aus einem Gemisch  von zerkleinertem Fasermaterial und Binde  mittel. An der Oberseite der Trägerschicht  ist ein Furnier 4 mit Fasern 5     und    auf die  sem Furnier 4 ein weiteres Furnier 6 mit Fa  sern 7 aufgeleimt. Die Fasern 7 laufen quer  zu den Fasern 5. An der den Furnieren 4  und 6 entgegengesetzten Seite der Träger  schicht 3 ist ein ebenes Furnier 8     lind    auf  diesem ein ebenes Furnier 9 aufgeleimt, des  sen Fasern quer zu den Fasern des Furniers 8  laufen.

   Die geschilderte Platte kann auf fol  gende Weise hergestellt werden:  Auf eine     -untere    Druckplatte mit ebenem  Boden und hochstehendem Rand wird das  Furnier 9 aufgelegt, nachdem man auf seine  obere Fläche eine Leimschicht, z. B. von  Kunstharz, aufgebracht, hat. Hierauf legt  man auf das Furnier 9 das Furnier 8, nach  dem man auf dessen dem Furnier 9 zuge  kehrte Seite ebenfalls Leim aufgetragen hat.       N-uzmehr    bringt man ein loses Gemisch von  zerkleinertem Fasermaterial (z. B. Säge- oder  Hack- oder Hobelspäne, oder     Lignin-    oder  andere Holzabfälle, oder Torfmull) und  Bindemittel (z. B.

   Leim oder     Kunstharz)    in  gewünschter Dicke auf das Furnier 8 und       legt    auf diese lose Schicht das Furnier 4,  nachdem man es an seiner untern Seite mit  Bindemittel, z. B. mit Leim, versehen hat.  Hierauf legt man das Furnier 6 so auf das  Furnier 8, dass die Fasern beider Furniere  sich kreuzen, nachdem man vorher die obere  Seite des Furniers 4 oder/und die     -untere    Seite  des Furniers 6 mit Leim belegt hat. Hierauf  bewegt man eine gewölbte     Pressplatte,    deren       Wölbungen    dem Negativ der Wölbungen der       herz-istellenden    Platte entsprechen, gegen das  obere Furnier 6 und damit gegen die untere       Druelh-platte.    Dies geschieht z.

   B. bei einer  Temperatur von 80 bis 100 . Beim     Aufdrük-          ken    der obern gewölbten     Pressplatte    verlor-         men    sich gleichzeitig, also in ein und dem  selben Arbeitsgang, die Furniere 4 und 6  und die     Gemischschicht    und nehmen dabei  die in der Zeichnung dargestellte Form an.  Nach dem Abbinden des Bindemittels zwi  schen den Furnieren, zwischen den Furnieren  und der Schicht und des Bindemittels in der  Schicht zieht man die obere gewölbte     Press-          platte    zurück und kann die fertige furnierte  Platte aus der untern Druckplatte heraus  nehmen.

   Aus der losen Gemischschicht ist  die feste Trägerschicht 3 entstanden, an wel  cher die Furniere festgeleimt sind.  



  Anstatt zwei Furniere auf jeder Seite der  Trägerschicht, vorzusehen, könnte man auch  nur je ein Furnier verwenden. Auch könnten  es deren mehr als zwei sein, wobei man darauf  zu achten hätte, dass die Fasern benachbarter  Furniere sich kreuzen.     1lan    kann der fur  nierten Platte die verschiedenartigsten Profi  lierungen geben. Sie könnte z. B. auch an  ihrer Unterseite gewölbt sein. Man kann z. B.  Platten herstellen, die als     Bettladenrundung     Verwendung finden.  



  Anstatt zu beiden Seiten der Träger  schicht ein oder mehrere Furniere anzubrin  gen, könnte man auch nur auf einer derselben  ein oder mehrere vorsehen.



  Process for the production of veneered panels with a profile and veneered panel produced by the process. The present invention relates to a process for the production of veneered panels with a profile.



  So far, a joiner plate has been used as the carrier layer for fur-nated plates with profiling, on which one had to produce the desired profiling in expensive work, after which the veneer was first pressed onto the profiled blockboard. This method has the further disadvantage that, for. B. when veneering a mitered and corrugated blockboard, the veneer tears and pushes over the edges.



  In another known manufacturing process of curved veneered panels, the carrier layer is made by gluing several veneers and after their pro filing, the veneer is pressed and glued. The product obtained is excellent in quality, but very expensive to manufacture.



  The method according to the invention for the manufacture of veneered panels with a profile is characterized in that at least one veneer is pressed onto a layer consisting of a mixture of shredded fiber material and binding agent with simultaneous deformation of the veneer and mixed layer and after setting the Binder cancels the pressing effect on the now finished, veneered panel. Since the layer of mixture that has not yet set gives way when the veneer is pressed on, when the veneer is deformed, tearing and poking of the same at the edges does not occur.



  In a particular embodiment of the method, at least two veneers with fibers lying crosswise to each other are placed on top of each other after at least one glue has been applied for the purpose of gluing, and these veneers on the mixture layer after at least one of them comes into contact Has applied glue to the surface in order to subsequently deform the veneer and the mixed layer simultaneously by applying pressure.



  The arrangement of the two veneers with fibers running transversely to one another has the advantage that neither of the two in the finished panel can move to any side, since the two veneers block one another. For example, if the mixed layer has an undesired cavity, a single veneer would pull into this cavity. This is not the case with two mutually blocking veneer layers. Since there is also a not yet set glue mass, for example synthetic resin glue, between the two veneers during manufacture, the two veneer layers slide on one another when pressed, which prevents them from tearing.



  The accompanying drawing shows in a spatial representation an example of an embodiment of the profiled veneered panel according to the invention, which is also intended to show how the method can be carried out, for example.



  In addition to a mitered edge 1, the plate has various profiles designed as arches in the form of corrugated sections 2. The starting material of its carrier layer 3 consists of a mixture of shredded fiber material and binding agent. At the top of the carrier layer is a veneer 4 with fibers 5 and on the sem veneer 4, another veneer 6 with Fa fibers 7 is glued. The fibers 7 run transversely to the fibers 5. On the side of the carrier layer 3 opposite the veneers 4 and 6, a flat veneer 8 is glued onto this a flat veneer 9, the fibers of the sen run across the fibers of the veneer 8.

   The plate described can be produced in the fol lowing manner: On a lower pressure plate with a flat bottom and raised edge, the veneer 9 is placed after a layer of glue, z. B. of synthetic resin applied has. Then you put on the veneer 9, the veneer 8, after which one has also applied glue to the side facing the veneer 9. Now you bring a loose mixture of shredded fiber material (e.g. sawdust, wood chips or wood shavings, or lignin or other wood waste, or peat waste) and binding agent (e.g.

   Glue or synthetic resin) in the desired thickness on the veneer 8 and lays the veneer 4 on this loose layer after it has been attached to its lower side with binding agent, e.g. B. with glue. The veneer 6 is then placed on the veneer 8 in such a way that the fibers of both veneers cross each other after the upper side of the veneer 4 and / or the lower side of the veneer 6 has been covered with glue. A curved pressing plate, the curvature of which corresponds to the negative of the curvature of the heart-shaped plate, is then moved against the upper veneer 6 and thus against the lower pressure plate. This happens e.g.

   B. at a temperature of 80 to 100. When the upper arched press plate is pressed on, the veneers 4 and 6 and the mixed layer are lost at the same time, that is to say in one and the same operation, and assume the shape shown in the drawing. After the binding agent between the veneers, between the veneers and the layer and the binding agent in the layer has set, the upper, arched press plate is pulled back and the finished veneered plate can be removed from the lower pressure plate.

   The solid carrier layer 3, to which the veneers are glued, has arisen from the loose mixed layer.



  Instead of having two veneers on each side of the carrier layer, only one veneer could be used. There could also be more than two, whereby one would have to make sure that the fibers of adjacent veneers cross each other. 1lan can give the fur ned panel a wide variety of profiles. You could e.g. B. also be arched at its bottom. You can z. B. Manufacture panels that are used as bedding.



  Instead of attaching one or more veneers to both sides of the carrier layer, one or more could be provided on just one of the same.

 

Claims (1)

<B>PATENTANSPRUCH</B> I: Verfahren zur Herstellung von furnier ten Platten mit einer Profilierung, dadurch gekennzeichnet, dass man mindestens ein Fuir- nier auf einer aus einem Gemisch von zerklei nertem Fasermaterial und Bindemittel be stehenden Schicht unter gleichzeitiger Ver formung von Furnier und Gemisehsehicht aufpresst und nach dem Abbinden des Binde mittels die Presswirkung auf die nun fertige, furnierte Platte aufhebt. <B>UNTERANSPRUCH:</B> 1. <B> PATENT CLAIM </B> I: Process for the production of veneered panels with a profile, characterized in that at least one veneer is placed on a layer consisting of a mixture of pulverized fiber material and binding agent with simultaneous deformation of Veneer and vegetable layer are pressed on and after the binding has set, the pressing effect on the now finished, veneered panel is canceled. <B> SUBClaim: </B> 1. Verfahren nach Patentanspruch I, da durch gekennzeichnet., dass man mindestens zwei Furniere mit quer zueinander liegenden Fasern aufeinanderlegt,nachdcm man zwecks Verleimung mindestens auf das eine Leim aufgetragen hat, die beiden auf die Gemisch- Schicht auflegt, nachdem man Leim auf min destens die eine der dabei zur Berührung kommenden Flächen aufgetragen hat und her nach Furniere und Gemischsehicht gleicbzei- tig durch Druckwirkung verformt. PATENTANSPRUCH II: Furnierte Platte, hergestellt nach dem Verfahren gemäss Patentanspruch I. UNTERANSPRUCH: 2. Method according to claim I, characterized in that at least two veneers with fibers lying across from one another are laid on top of one another, after one glue has been applied to at least one glue for the purpose of gluing, the two are laid on the mixture layer after glue has been applied to at least the has applied one of the surfaces that come into contact with it and is deformed by pressure at the same time after veneer and mixed layer. PATENT CLAIM II: Veneered board, manufactured according to the method according to patent claim I. SUBClaim: 2. Furnierte Platte nach Patentan spruch II, dadurch gekennzeichnet, dass sich auf mindestens einer Seite der Schicht min destens zwei miteinander verleimte Furniere befinden, deren Fasern sich kreuzen. Veneered board according to claim II, characterized in that there are at least two veneers glued together on at least one side of the layer, the fibers of which cross each other.
CH294089D 1949-05-14 1949-05-14 Process for the production of veneered panels with a profile and veneered panel produced by the process. CH294089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1017632X 1949-05-14

Publications (1)

Publication Number Publication Date
CH294089A true CH294089A (en) 1953-10-31

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ID=4552813

Family Applications (2)

Application Number Title Priority Date Filing Date
CH294089D CH294089A (en) 1949-05-14 1949-05-14 Process for the production of veneered panels with a profile and veneered panel produced by the process.
CH294090D CH294090A (en) 1949-05-14 1949-12-17 Method of making a panel of unequal thickness and profiled surface.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH294090D CH294090A (en) 1949-05-14 1949-12-17 Method of making a panel of unequal thickness and profiled surface.

Country Status (2)

Country Link
CH (2) CH294089A (en)
FR (2) FR1017632A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5887402A (en) * 1995-06-07 1999-03-30 Masonite Corporation Method of producing core component, and product thereof
DE10355361B4 (en) * 2003-11-25 2005-09-15 Adolf Vietmeyer Method for producing a cover layer, cover layer and furniture panel with a cover layer

Also Published As

Publication number Publication date
FR1042466A (en) 1953-11-02
CH294090A (en) 1953-10-31
FR1017632A (en) 1952-12-12

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