FR2873953A1 - Laminated flooring panel with wood-based core has insulating underlayer with balancing layer to provide rigidity - Google Patents
Laminated flooring panel with wood-based core has insulating underlayer with balancing layer to provide rigidity Download PDFInfo
- Publication number
- FR2873953A1 FR2873953A1 FR0451819A FR0451819A FR2873953A1 FR 2873953 A1 FR2873953 A1 FR 2873953A1 FR 0451819 A FR0451819 A FR 0451819A FR 0451819 A FR0451819 A FR 0451819A FR 2873953 A1 FR2873953 A1 FR 2873953A1
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- FR
- France
- Prior art keywords
- sheet
- underlayer
- wood
- panel
- insulating
- 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.)
- Granted
Links
- 239000002023 wood Substances 0.000 title claims abstract description 21
- 238000009408 flooring Methods 0.000 title abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 239000007799 cork Substances 0.000 claims abstract description 5
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000002655 kraft paper Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 229920000877 Melamine resin Polymers 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/181—Insulating layers integrally formed with the flooring or the flooring elements
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02194—Flooring consisting of a number of elements carried by a non-rollable common support plate or grid
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/102—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical 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
- B32B2471/00—Floor coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
- E04F2290/043—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise with a bottom layer for sound insulation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Floor Finish (AREA)
Abstract
Description
La présente invention concerne un panneau, notamment destiné à laThe present invention relates to a panel, in particular intended for
conception d'un revêtement de sol stratifié, composé de panneaux comportant une âme à base de bois, en particulier issue d'un panneau dérivé bois de type HDF ou MDF design of a laminate flooring composed of panels having a wood-based core, in particular derived from an HDF or MDF type derived wood panel
ou composé de particules de matériaux recyclés, recevant, sur sa face supérieure, un revêtement décoratif et un overlay, et sur sa face inférieure, une balance et une sous-couche d'isolation. or composed of particles of recycled materials, receiving, on its upper face, a decorative coating and an overlay, and on its underside, a balance and an underlayer of insulation.
La présente invention concerne le domaine des revêtements 10 de sols stratifiés. The present invention relates to the field of laminate flooring.
L'état de la technique comprend déjà de nombreux revêtements de sols stratifiés composés d'une pluralité de lames ou panneaux que l'on assemble, par collage ou emboîtement mécanique. Dans de nombreux cas, ces panneaux comportent une âme en bois ou à base de bois, par exemple de type HDF ou MDF, c'est à dire constituée à partir de fibres de bois agglomérées sous presse et par addition d'un liant, tel qu'une résine. Cette âme est recouverte, sur sa face supérieure, d'un revêtement décoratif, tandis que sa face inférieure reçoit, usuellement, un revêtement pour équilibrer les contraintes, appelé couramment balance. The state of the art already includes many laminate flooring composed of a plurality of blades or panels that are assembled by gluing or mechanical interlocking. In many cases, these panels comprise a core of wood or wood-based, for example of the HDF or MDF type, that is to say made from pressed wood fibers in press and by addition of a binder, such as than a resin. This core is covered on its upper face with a decorative coating, while its underside receives, usually, a coating to balance the constraints, commonly called balance.
A ce propos, un tel panneau stratifié est constitué en outre par un revêtement décoratif composé d'une feuille imprimée appliquée sur l'âme notamment à base de bois par imprégnation d'une résine polymérisable, par exemple de type mélamine ou autre. Est ensuite appliqué, de manière similaire par imprégnation de résine, de type mélamine ou autre, un overlay sous forme d'une feuille cellulosique. La balance consiste, fréquemment, en une simple feuille en papier kraft, également appliquée par imprégnation de résine. In this regard, such a laminated panel is further constituted by a decorative coating consisting of a printed sheet applied to the core including wood based impregnation of a polymerizable resin, for example melamine or other type. Is then applied, similarly by resin impregnation, melamine or other type, an overlay in the form of a cellulosic sheet. The scale consists, frequently, of a simple sheet of kraft paper, also applied by impregnation of resin.
Ces différentes couches, overlay, revêtement décoratif, âme et balance, sont pressées à chaud pour les lier entre elles et former ledit panneau de revêtement de sol. Le passage dans l'unité de pressage nécessite le déplacement depuis des moyens supports, où les différentes couches sont préalablement superposées, vers l'unité de pressage. Ce déplacement pose un problème du fait du peu de rigidité du matériau constituant les feuilles inférieures du panneau, en particulier la feuille de balance. En effet, sous le simple effet de leur poids, les rebords de la balance, qui dépassent généralement de la périphérie des moyens supports, ploient et il n'est alors plus possible de saisir, au moyen de pinces ou analogue, l'ensemble des couches superposées. These different layers, overlay, decorative coating, core and balance, are hot pressed to bind them together and form said floor panel. The passage in the pressing unit requires moving from support means, where the different layers are previously superimposed, to the pressing unit. This displacement poses a problem due to the low stiffness of the material constituting the lower leaves of the panel, in particular the scale sheet. Indeed, under the simple effect of their weight, the edges of the balance, which generally exceed the periphery of the support means, bend and it is no longer possible to grasp, by means of clamps or the like, all superimposed layers.
Pour pallier ce problème, il a déjà été imaginé une solution permettant à la balance d'adhérer temporairement à la surface inférieure de l'âme sous l'effet d'une charge électrostatique. To overcome this problem, it has already been imagined a solution allowing the balance to adhere temporarily to the lower surface of the soul under the effect of an electrostatic charge.
Toutefois, lorsqu'une sous-couche isolante, par exemple une sous-couche phonique en polyuréthanne ou sous forme d'une feuille de fibres basse densité ou autre, doit être appliquée sous la surface inférieure d'un tel panneau stratifié, il n'est alors pas possible de faire adhérer cette sous-couche par simple effet électrostatique. However, when an insulating underlayer, for example a polyurethane acoustic underlayer or in the form of a low density fiber sheet or the like, must be applied under the lower surface of such a laminated panel, it does not it is then not possible to adhere this underlayer by simple electrostatic effect.
La solution actuellement adoptée dans le cadre de procédés de fabrication discontinus comprend généralement deux étapes. The solution currently adopted in discontinuous manufacturing processes generally comprises two steps.
Au cours de la première étape, est réalisé le panneau stratifié par superposition puis pressage des différentes couches, la seconde étape consiste, après notamment retournement du panneau, en la superposition après encollage de la sous-couche isolante et un nouveau pressage où cette sous-couche isolante vient adhérer à la surface inférieure dudit panneau. During the first step, the laminated panel is produced by superposing and then pressing the different layers, the second step consists, after in particular turning the panel over, in the superposition after gluing of the insulating underlayer and a new pressing where this sub-layer insulating layer adheres to the lower surface of said panel.
Les inconvénients de ce type de fabrication résident dans la double opération de pressage, entrecoupée par les étapes d'encollage de la balance, de retournement du panneau et de superposition de la sous-couche et du panneau stratifié. De surcroît, un problème est lié au déplacement de la sous-couche isolante du fait de sa structure qui ne lui permet pas d'être saisie avec les même moyens que ceux utilisés pour les autres couches, en particulier par des moyens de type ventouse. Il est alors nécessaire de complexifier le dispositif de fabrication en ajoutant d'autres moyens spécifiques pour le déplacement de la feuille de balance. The disadvantages of this type of manufacturing reside in the double pressing operation, interrupted by the steps of sizing the balance, flipping the panel and superposition of the underlayer and the laminate panel. In addition, a problem is related to the displacement of the insulating underlayer due to its structure which does not allow it to be grasped with the same means as those used for the other layers, in particular by suction-type means. It is then necessary to complicate the manufacturing device by adding other specific means for moving the balance sheet.
D'autres solutions sont envisagées dans le cadre de procédés de fabrication en continu. Pour la mise en oeuvre d'un tel procédé, des panneaux, formés initialement par l'âme à base de bois, sont disposés les uns derrière les autres sur une bande de transport au-dessus de laquelle ont été déployée, depuis des rouleaux dévidoirs en amont, une bande de sous-couche isolante et une bande de balance. De même, au-dessus de ces panneaux sont déroulés des bandes d'une feuille décor et d'un overlay. Cette superposition de couches et de panneaux est tirée au travers de moyens de pressage en continu, puis découpée suivant lesdits panneaux. Other solutions are envisaged in the context of continuous manufacturing processes. For the implementation of such a method, panels, initially formed by the wood-based core, are arranged one behind the other on a conveyor belt over which have been deployed, from rollers reels upstream, an insulating underlayer strip and a balance strip. In the same way, above these panels are unrolled strips of a decorative sheet and an overlay. This superposition of layers and panels is drawn through continuous pressing means and then cut along said panels.
Le problème précédemment évoqué de l'adhérence de la feuille de balance est diminué par l'engagement et la traction de cette dernière au travers des moyens de pressage. De même manière une sous-couche d'isolation peut être acheminée par traction dans les moyens de pressage. Dans de tels procédés en continu, les couches souples, sous forme de fines feuilles comme le revêtement décoratif, l'overlay ou la balance, voire certains types de sous-couches isolantes, peuvent être disposées et stockées en rouleaux. The aforementioned problem of adhesion of the balance sheet is reduced by the engagement and traction of the latter through the pressing means. Similarly, an insulation sub-layer may be conveyed by traction in the pressing means. In such continuous processes, the flexible layers, in the form of thin sheets such as the decorative coating, the overlay or the balance, or even certain types of insulating sub-layers, can be arranged and stored in rolls.
Les inconvénients de ce type de fabrication résident dans le coût de telles installations qui n'offrent pas la souplesse d'utilisation d'une presse à fonctionnement discontinu. Tout particulièrement, dans une installation à fonctionnement continu, le changement de la feuille de décor sur les panneaux nécessite le remplacement du rouleau correspondant sur le dévidoir. Puis il faut assurer l'engagement de la nouvelle bande de feuille de décor au travers des différents rouleaux de pressage avant qu'il soit possible de redémarrer le cycle de fabrication, après avoir réalisé tous les réglages nécessaires au fonctionnement d'une telle presse. The disadvantages of this type of manufacturing reside in the cost of such facilities that do not offer the flexibility of use of a batch press. Particularly, in a continuous operation installation, the change of the decoration sheet on the panels requires the replacement of the corresponding roller on the reel. Then it is necessary to ensure the engagement of the new strip of decor sheet through the different pressing rollers before it is possible to restart the production cycle, after having made all the adjustments necessary for the operation of such a press.
Dans une installation fonctionnant en discontinu, il suffit, lors de la superposition des différentes couches, de déposer sur le panneau, prêt pour le pressage, une autre feuille pour changer simplement le décor. Ceci présente un avantage certain lors de la fabrication de revêtement de sol à partir de ces panneaux stratifiés. Il existe en effet une très grande variété de décor pour de tels revêtements de sol. In an installation operating discontinuously, it is sufficient, during the superposition of the different layers, to deposit on the panel, ready for pressing, another sheet to simply change the decor. This has a certain advantage in the manufacture of flooring from these laminated panels. There is indeed a very wide variety of decor for such flooring.
La présente invention a pour but d'offrir une alternative à la complexité du dispositif en continu et à la double opération de pressage des dispositifs discontinus, et de conférer aux couches inférieures, balance et sous-couche phonique, une rigidité suffisante pour répondre au problème de manipulation avant pressage de l'ensemble des couches superposées. L'invention offre aussi la possibilité de s'affranchir de l'étape d'encollage de la couche de balance. The object of the present invention is to offer an alternative to the complexity of the continuous device and to the double operation of pressing discontinuous devices, and to confer on the lower layers, balance and sound sublayer, sufficient rigidity to respond to the problem. handling before pressing all the layers. The invention also offers the possibility of avoiding the step of sizing the balance layer.
Pour ce faire, l'invention concerne un procédé de fabrication d'un panneau, notamment destiné à la conception d'un revêtement de sol, comportant au moins une âme à base de bois, en particulier issue d'un panneau dérivé bois de type HDF ou MDF ou en particules de matériaux recyclés, recevant, sur sa face supérieure, au moins une feuille de revêtement décoratif et au moins une feuille d'overlay, et, sur sa face inférieure, au moins une feuille de balance et au moins une sous-couche isolante caractérisé en ce qu'il consiste à faire adhérer la feuille de balance à la sous-couche isolante en vue de réaliser une planche d'une rigidité améliorée, à déposer ladite planche sur des moyens support, à y déposer successivement, en outre et non limitativement, l'âme à base de bois, la feuille décorative et la feuille d'overlay, à saisir l'ensemble formé par ces dites couches pour le déposer sous l'unité de pressage, et presser ledit ensemble de couches. To do this, the invention relates to a method of manufacturing a panel, in particular for the design of a floor covering, comprising at least one core based on wood, in particular derived from a wood-derived panel type HDF or MDF or particles of recycled materials, receiving, on its upper side, at least one decorative coating sheet and at least one overlay sheet, and, on its underside, at least one balance sheet and at least one insulating underlayer characterized in that it consists in adhering the balance sheet to the insulating underlayer in order to produce a board of improved rigidity, to deposit said board on support means, to deposit successively, in addition and without limitation, the wood-based core, the decorative sheet and the overlay sheet, to grasp the assembly formed by these layers to deposit it under the pressing unit, and to press said set of layers .
Avantageusement, ce procédé consiste à faire adhérer la feuille de balance à la sous-couche au travers du liant utilisé pour la fabrication de ladite sous-couche. Advantageously, this method consists in adhering the balance sheet to the underlayer through the binder used for the manufacture of said underlayer.
D'une autre manière, le procédé consiste à faire adhérer la feuille de balance à la sous-couche isolante par effet électrostatique. In another way, the method consists of adhering the balance sheet to the insulating underlayer by electrostatic effect.
Avantageusement ladite planche peut être saisie par des moyens de préhension par dépression. Advantageously, said board can be gripped by vacuum gripping means.
L'invention porte aussi sur une sous couche isolante, pour panneau stratifié, notamment destinée à la conception d'un revêtement de sol, caractérisée en ce qu'elle est recouverte au moins sur une de ses faces d'une feuille de balance, de type papier kraft ou similaire, afin d'en améliorer la rigidité. The invention also relates to an insulating sub-layer, for laminated panel, especially for the design of a floor covering, characterized in that it is covered at least on one of its faces with a balance sheet, type kraft paper or the like, to improve the rigidity.
En particulier, ladite sous-couche isolante peut être constituée de liège, de particules de bois agglomérées basse densité, en polyuréthanne ou sous forme d'une feuille de fibres en matériaux synthétiques. In particular, said insulating sub-layer may consist of cork, low density agglomerated wood particles, polyurethane or in the form of a sheet of fibers made of synthetic materials.
D'autres caractéristiques et avantages de l'invention ressortiront de la description détaillée qui va suivre des modes de réalisation non limitatifs de l'invention, en référence à la figure annexée qui est une vue schématique en coupe d'un panneau avant pressage réalisé par le procédé selon l'invention. Other features and advantages of the invention will emerge from the following detailed description of the non-limiting embodiments of the invention, with reference to the attached figure which is a diagrammatic sectional view of a panel before pressing made by the process according to the invention.
L'invention concerne un procédé de fabrication d'un revêtement de sol stratifié composé de panneaux 1 comportant une âme 2 à base de bois, en particulier issue d'un panneau en dérivé de bois de type HDF ou MDF ou en particules de matériaux recyclés, notamment synthétiques ou plastiques, recevant, sur sa face supérieure 9, un revêtement décoratif 3 et un overlay 4, et sur sa face inférieure 10, une balance 5 et une sous-couche 6 isolante. The invention relates to a method of manufacturing a laminate flooring composed of panels 1 comprising a core 2 based on wood, in particular derived from a wood-based panel type HDF or MDF or particles of recycled materials , in particular synthetic or plastic, receiving, on its upper face 9, a decorative coating 3 and an overlay 4, and on its underside 10, a balance 5 and an insulating sub-layer 6.
Cette sous-couche 6 isolante peut être une sous-couche phonique, thermique ou autre pour isoler, du son, de la température ou autre, le revêtement de sol de la surface sur laquelle il est destiné à être posé. Cette sous-couche 6 isolante peut être constituée en différentes matières adaptées à l'isolation souhaitée, en particulier en liège, particules de bois agglomérées basse densité, en polyuréthanne, sous forme d'une feuille de fibres en matériaux synthétiques ou autre. This insulating underlayer 6 may be a sound, thermal or other sub-layer for isolating, from the sound, the temperature or the like, the floor covering of the surface on which it is intended to be placed. This insulating underlayer 6 may be made of different materials suitable for the desired insulation, in particular cork, low density agglomerated wood particles, polyurethane, in the form of a sheet of fibers made of synthetic materials or the like.
Afin de fixer cette sous-couche 6 isolante au panneau 1 de revêtement de sol, il a été imaginé de faire adhérer ladite sous-couche 6 à ladite balance 5 avant la superposition avec les autres couches destinées à former ledit panneau 1 et avant leur passage sous presse. Cette étape permet de rigidifier les couches destinées à être placées sous la surface inférieure 10 de l'âme 2 du panneau 1. Cette rigidité améliorée empêche les bords des couches inférieures de ployer sous leur poids. In order to fix this insulating underlayer 6 to the floor covering panel 1, it has been imagined to adhere said underlayer 6 to said balance 5 before the superposition with the other layers intended to form said panel 1 and before their passage in press. This step makes it possible to stiffen the layers intended to be placed under the lower surface 10 of the core 2 of the panel 1. This improved rigidity prevents the edges of the lower layers from bending under their weight.
Pour ce faire, préalablement à l'étape de pressage de l'ensemble des couches destiné à former ledit panneau 1 de revêtement de sol, des moyens d'adhésion son prévus pour faire adhérer la sous-couche 6 isolante à la balance 5 afin de former une planche 7. Ces moyens d'adhésion peuvent être réalisés par collage de la sous-couche 6 isolante sous la balance 5 au moyen d'un liant comme de la résine, par exemple de type mélamine ou autre. Ce liant peut être appliqué directement avant la mise en contact des deux surfaces de la sous-couche 6 et de la balance 5. L'adhésion de la balance 5 à la sous-couche 6 isolante peut être réalisée grâce à un effet électrostatique appliqué à ladite balance 5. To do this, prior to the step of pressing all the layers intended to form said floor covering panel 1, adhesion means are provided for adhering the insulating underlayer 6 to the balance 5 in order to These adhesion means can be made by bonding the insulating underlayer 6 under the balance 5 by means of a binder such as resin, for example melamine or other type. This binder can be applied directly before contacting the two surfaces of the underlayer 6 and the balance 5. The adhesion of the balance 5 to the insulating underlayer 6 can be achieved through an electrostatic effect applied to said scale 5.
Dans un mode de réalisation particulier, il peut être envisagé d'utiliser le liant de fabrication de la sous-couche 6 isolante, par exemple et de façon non limitative, de la résine dans le cas d'une sous-couche 6 en liège, en particules agglomérées ou analogue. La balance 5 est alors appliquée sur la sous-couche 6 lors de la fabrication de cette dernière. Un effet électrostatique peut être employé pour améliorer temporairement l'adhérence de la balance 5 à la sous-couche 6 durant la durée nécessaire pour lier les deux couches 5,6. In a particular embodiment, it may be envisaged to use the binder for manufacturing the insulating underlayer 6, for example and without limitation, the resin in the case of a cork underlayer 6, agglomerated particles or the like. The balance 5 is then applied to the underlayer 6 during the manufacture of the latter. An electrostatic effect can be employed to temporarily improve the adhesion of the balance 5 to the underlayer 6 for the time necessary to bond the two layers 5,6.
La sous-couche 6 et la balance 5 peuvent être prévues de la taille du panneau 1 auquel elles sont destinées à être fixées. Elles peuvent aussi être fixées entre elles en continu, à partir de rouleaux, de bobines ou de dévidoirs, puis stockées de nouveau en rouleaux, bobines ou dévidoirs, et enfin découpées avant l'étape de superposition avec les autres couches destinées à former ledit panneau 1. The underlayer 6 and the balance 5 may be provided the size of the panel 1 to which they are intended to be fixed. They can also be fixed together continuously, from rolls, reels or reels, then stored again in rolls, reels or reels, and finally cut before the superposition step with the other layers intended to form said panel 1.
Une fois la sous-couche 6 isolante et la balance 5 liées entre elles en une planche 7 formant une couche inférieure dudit panneau 1, les autres couches composant le panneau de revêtement de sol sont superposées successivement, de la surface inférieure 10 vers la surface supérieure 9 du panneau 1 stratifié, dans l'ordre suivant: âme 2 à base de bois, feuille de revêtement décoratif 3, overlay 4. Once the insulating underlayer 6 and the balance 5 are bonded together in a board 7 forming a lower layer of said panel 1, the other layers composing the floor covering panel are superimposed successively, from the lower surface 10 to the upper surface 9 of the laminated panel 1, in the following order: core 2 based on wood, decorative covering sheet 3, overlay 4.
L'ensemble ainsi formé est facilement saisissable pour être positionné depuis les moyens supports 8 sous l'unité de pressage au travers de moyens conçus aptes à saisir cette ensemble de couches. Ces moyens peuvent prendre la forme de pinces. D'autres moyens sont conçus aptes à saisir les différentes couches lors de leur superposition et peuvent prendre la forme de moyen de préhension par dépression de type ventouse. L'adhésion de la balance 5 à la sous-couche isolante 6 permet le déplacement de cette planche 7 par des moyens de préhension utilisés pour les autres couches, en particulier des moyens de préhension par dépression de type ventouse. The assembly thus formed is easily grasped to be positioned from the support means 8 under the pressing unit through means designed to grip this set of layers. These means can take the form of tongs. Other means are designed capable of grasping the different layers during their superposition and may take the form of gripping means suction-type vacuum. The adhesion of the balance 5 to the insulating underlayer 6 allows the movement of this board 7 by gripping means used for the other layers, in particular suction vacuum gripping means.
Une seule étape de pressage est alors nécessaire pour assembler lesdites couches destinées à former ledit panneau 1 de revêtement de sol. Enfin, l'étape d'encollage de la balance entre les étapes de pressage n'est plus nécessaire. A single pressing step is then necessary to assemble said layers intended to form said panel 1 of flooring. Finally, the step of sizing the balance between the pressing steps is no longer necessary.
Le procédé selon l'invention de fabrication de panneau, notamment destiné à la conception de revêtement de sol, présente les avantages d'offrir des installations plus souples d'utilisation et moins coûteuses. The method according to the invention of panel manufacture, in particular for the design of flooring, has the advantages of providing more flexible and less expensive installations.
Bien entendu, l'invention n'est pas limitée aux exemples illustrés et décrits précédemment qui peuvent présenter des variantes et modifications, notamment l'ajout de couches intermédiaires ou supplémentaires au-dessus, en dessous ou entre les couches existantes. Ces variantes ne sortiront pas pour autant du cadre de l'invention. Of course, the invention is not limited to the examples illustrated and described above which may have variants and modifications, in particular the addition of intermediate or additional layers above, below or between the existing layers. These variants will not depart from the scope of the invention.
Claims (7)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0451819A FR2873953B1 (en) | 2004-08-09 | 2004-08-09 | METHOD FOR MANUFACTURING A LAMINATED PANEL WITH INSULATING SUB-LAYER AND THE SAME |
| AT05107211T ATE386858T1 (en) | 2004-08-09 | 2005-08-04 | METHOD FOR PRODUCING LAMINATE FLOOR PANELS WITH A COMPENSATION ELEMENT, IN PARTICULAR WITH A COUNTER-COUNTER IMPREGNATE, AND DEVICE FOR PRODUCING A COMPENSATION ELEMENT |
| DE200550002884 DE502005002884D1 (en) | 2004-08-09 | 2005-08-04 | Process for producing laminated floor panels with a compensating element, in particular with a counterimpregnate, and device for producing a compensating element |
| EP20050107211 EP1627977B1 (en) | 2004-08-09 | 2005-08-04 | Method for producing laminated floor panels comprising a balance element, in particular an impregnated structure for balancing stresses, and apparatus for producing a balance element |
| RU2005125183A RU2367752C2 (en) | 2004-08-09 | 2005-08-08 | Method and device of laminated floor plates manufacturing with compensation element, particularly with counter-stretching impregnate |
| US11/374,290 US20070218260A1 (en) | 2004-08-09 | 2005-08-08 | Laminate product and method of making same |
| TR200503146A TR200503146A2 (en) | 2004-08-09 | 2005-08-08 | The balancing element for laminate floor plates, in particular the counter-traction impregnation and the laminate floor plate having such a balancing element, and the apparatus and method for producing it. |
| CNA2005100897874A CN1749504A (en) | 2004-08-09 | 2005-08-09 | Balance element for laminated floor panels, laminated floor panels and method and apparatus for production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0451819A FR2873953B1 (en) | 2004-08-09 | 2004-08-09 | METHOD FOR MANUFACTURING A LAMINATED PANEL WITH INSULATING SUB-LAYER AND THE SAME |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2873953A1 true FR2873953A1 (en) | 2006-02-10 |
| FR2873953B1 FR2873953B1 (en) | 2008-06-06 |
Family
ID=34947823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0451819A Expired - Fee Related FR2873953B1 (en) | 2004-08-09 | 2004-08-09 | METHOD FOR MANUFACTURING A LAMINATED PANEL WITH INSULATING SUB-LAYER AND THE SAME |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1749504A (en) |
| FR (1) | FR2873953B1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| FR2873953B1 (en) | 2008-06-06 |
| CN1749504A (en) | 2006-03-22 |
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