FR2573109A1 - Insulating coating-support for the external insulation of constructions and its method of manufacture - Google Patents

Insulating coating-support for the external insulation of constructions and its method of manufacture Download PDF

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Publication number
FR2573109A1
FR2573109A1 FR8417094A FR8417094A FR2573109A1 FR 2573109 A1 FR2573109 A1 FR 2573109A1 FR 8417094 A FR8417094 A FR 8417094A FR 8417094 A FR8417094 A FR 8417094A FR 2573109 A1 FR2573109 A1 FR 2573109A1
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FR
France
Prior art keywords
insulating support
plate
support according
knitted fabric
thickness
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.)
Withdrawn
Application number
FR8417094A
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French (fr)
Inventor
Alain Le Horgne
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COPOREX
Original Assignee
COPOREX
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Publication date
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Priority to FR8417094A priority Critical patent/FR2573109A1/en
Publication of FR2573109A1 publication Critical patent/FR2573109A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/72—Encapsulating inserts having non-encapsulated projections, e.g. extremities or terminal portions of electrical components

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

Insulating coating-support for the external insulation of constructions, which support consists of a board made of insulating material with a reinforcement 3 made of embossed meshwork partially incorporated into one face of this board.

Description

L'invention concerne un support isolant d'enduit pour l'isolation de constructions par l'extérieur, ainsi que son procédé de fabrication. The invention relates to an insulating plaster support for the insulation of constructions from the outside, as well as its manufacturing process.

Elle se rapporte à la technique communément#dite des enduits minces sur isolant, qui consiste à-interposer entre l'enduit proprement dit et la surface à protéger, une couche d'un matériau isolant, en général du polystyrène expansé (p.s.e.). It relates to the technique commonly # known as thin coatings on insulation, which consists in interposing between the coating itself and the surface to be protected, a layer of an insulating material, in general of expanded polystyrene (p.s.e.).

Pour résoudre les problèmes liés au manque d'adhérence du p.s.e. et aux fis#surations des enduits, on dispose entre l'enduit et l'isolant une armature, soit en grillage, soit en fibres de verre, qui a pour effet, d'une part, de constituer une surface d'accrochage pour l'enduit et, d'autre part, en raison de sa configuration en réseau, de fractionner en parcelles minuscules les fissures qui sont provoquées dans la couche d'enduit par les chocs thermiques. To solve the problems related to the lack of grip of the m.p. and in the fis # surations of the plasters, there is between the plaster and the insulation a reinforcement, either in mesh or in glass fibers, which has the effect, on the one hand, of constituting a hooking surface for the 'coating and, on the other hand, because of its network configuration, to split into tiny plots the cracks that are caused in the coating layer by thermal shock.

La pose d'un enduit mince sur isolant met en oeuvre la séquence d'opérations suivante
1. Pose de l'isolant.The installation of a thin coating on insulation implements the following sequence of operations
1. Installation of insulation.

2. Application d'une première couche d'accrochage. 2. Application of a first bonding layer.

3. Pose de l'armature. 3. Installation of the frame.

4. Application d'une seconde couche d'accrochage. 4. Application of a second bonding layer.

5. Application de l'enduit. 5. Application of the coating.

D'autre part, cette technique nécessite l'utilisation d'enduits plastiques spéciaux relativement onéreux. On the other hand, this technique requires the use of relatively expensive special plastic coatings.

L'objet de la présente invention est de simplifier les opérations de pose et de conférer à la surface de l'isolant, un pouvoir d'accrochage tel, qu'il permette l'utilisation d'enduits moins onéreux. The object of the present invention is to simplify the laying operations and to confer on the surface of the insulator, a fastening power such that it allows the use of less expensive coatings.

Selon l'invention, ce résultat est obtenu en utilisant un isolant dans lequel l'armature, constituée par un réseau à mailles gaufrées, est incorporée partiellement à l'isolant. According to the invention, this result is obtained by using an insulator in which the reinforcement, constituted by an embossed mesh network, is partially incorporated into the insulator.

L'utilisation d'un tel produit supprime trois opérations du processus de pose par rapport à un enduit mince sur isolant classique, à savoir les deux couches d'accrochage et la pose de l'armature.  The use of such a product eliminates three operations of the laying process compared to a thin coating on conventional insulation, namely the two bonding layers and the laying of the reinforcement.

En outre, à condition que la largeur de maille soit convenablement choisie, le réseau gaufré incorporé à l'isolant confère à ce dernier un pouvoir d'accrochage tel, qu'il devrait permettre l'usage d'enduits hydrauliques, moins onéreux. In addition, provided that the mesh width is properly chosen, the embossed network incorporated into the insulation gives the latter such attachment power that it should allow the use of hydraulic coatings, which are less expensive.

Selon une caractéristique préférentielle de l'in vention, le réseau gaufré est incorporé sur pratiquement la moitié de son épaisseur dans la face supérieure de l'isolant. According to a preferred characteristic of the invention, the embossed network is incorporated over practically half of its thickness in the upper face of the insulation.

L'invention concerne également un procédé de fabrication de l'isolant ci-dessus, applicable lorsqu'on utilise le p.s.e. comme isolant. The invention also relates to a method of manufacturing the above insulator, applicable when using the m.p. as an insulator.

Selon ce procédé, dans une presse pour la fabrication de plaques de p.s.e., on dispose le réseau gaufré sur la partie mâle de la presse avant la fermeture de cette dernière, puis, après l'accomplissement du processus classique d'expansion des billes de p.s.e., l'on soumet la couche superficielle de l'isolant à une fusion pour dégager sur environ la moitié de son épaisseur le réseau gaufré. According to this process, in a press for the manufacture of pse plates, the embossed network is placed on the male part of the press before the press closes, then, after the completion of the conventional process of expansion of the pse balls , the surface layer of the insulation is subjected to a fusion to release over approximately half of its thickness the embossed network.

D'autres caractéristiques et avantages de l'invention ressortiront de la description qui va suivre, d'un mode de réalisation de l'invention en référence au dessin annexé qui représente une coupe schématique d'un support isolant selon l'invention. Other characteristics and advantages of the invention will emerge from the description which follows, of an embodiment of the invention with reference to the appended drawing which represents a schematic section of an insulating support according to the invention.

Dans cet exemple de réalisation, donné à titre indicatif seulement, le support 1 est constitué par une plaque de polystyrène expansé 2, dans la face supérieure de laquelle est pris un réseau de fils gaufrés 3, présentant des ondulations faisant saillie par rapport à la face supérieure de la plaque 2, de préférence sur environ la moitié de leur hauteur totale. In this exemplary embodiment, given as an indication only, the support 1 is constituted by an expanded polystyrene plate 2, in the upper face of which is taken a network of embossed wires 3, having undulations projecting with respect to the face top of plate 2, preferably over about half of their total height.

Pour plus de simplicité, on a représenté sur le schéma un seul trait longitudinal de fil gaufré, mais dans la réalité on utilise avantageusement une nappe de tricot métallique du type utilisé actuellemelIt pour la fabrication de filtres. For simplicity, there is shown in the diagram a single longitudinal line of embossed wire, but in reality it is advantageous to use a sheet of metallic knitted fabric of the type currently used for the manufacture of filters.

Comme on le voit sur le schéma, le tricot métallique 3 est débordant par rapport à la plaque 2 de p.s.e.. De la sorte, on obtient un léger recouvrement des tricots des plaques adjacentes au montage, ce qui assure la continuité de la nappe gaufrée sur toute la surface à protéger. As can be seen in the diagram, the metallic knitted fabric 3 projects beyond the plate 2 of pse. In this way, there is a slight overlap of the knitted fabrics of the plates adjacent to the assembly, which ensures the continuity of the embossed web on the entire surface to be protected.

Bien que cela ne soit pas représenté, la plaque 2 peut être munie de moyens d'embottemcnt, venus -de moulage, tels que des tenons et mortaises, ou tout autre moyen connu. Although this is not shown, the plate 2 can be provided with embottemcnt means, coming from molding, such as tenons and mortises, or any other known means.

On remarque encore sur le schéma, que la couche superficielle de la plaque 2 qui contiens la base du tricot métallique est fondue. Ceci résulte du procédé de fabrication du complexe isolant-armature tel qu'il va etre maintenant décrit. It is also noted in the diagram, that the surface layer of the plate 2 which contains the base of the metallic knitted fabric is melted. This results from the process for manufacturing the insulating-reinforcement complex as will now be described.

On utilise une presse à vapeur pour le moulage de plaques de p.s.e. de type connu. A steam press is used for molding m.p. of known type.

Avant la fermeture de la presse, on dépose sur la partie mâle plane, la couche de tricot métallique. La presse est alors fermée et remplie de billes de polystyrène qui sont expansées de manière classique. La largeur de maille du tricot métallique est suffisante pour permettre aux billes de polystyrène d'y pénétrer et de remplir ainsi complètement l'enceinte de la presse. Before closing the press, the metallic knitted layer is deposited on the flat male part. The press is then closed and filled with polystyrene beads which are expanded in a conventional manner. The mesh width of the metallic knit is sufficient to allow the polystyrene balls to penetrate therein and thus completely fill the enclosure of the press.

Après expansion, on obtient une-plaque de p.s.e. After expansion, we obtain a plate of m.s.

dont une face englobe complètement le tricot métallique.one side of which completely encompasses metallic knitting.

On soumet alors cette face à une fusion contr6- lée, de manière à dégager le tricot sur environ la moitié de son épaisseur. Cette fusion contrôlée peut être obtenue soit par l'application de solvants du polystyrène, soit par l'application d'air chaud, soit par rayonnement infrarouge. This face is then subjected to a controlled fusion, so as to release the knitted fabric over approximately half of its thickness. This controlled fusion can be obtained either by the application of polystyrene solvents, or by the application of hot air, or by infrared radiation.

A titre indicatif, les dimensions des plaques peuvent être les suivantes
longueur : 100 ou 120 cm
largeur : 60 cm
épaisseur : 8 cm tandis que le tricot métallique est en fil de 3/10ème de mm avec une largeur de maille comprise entre 5 et 10 mm et un gaufrage compris entre 6 et 10 mm.As an indication, the dimensions of the plates can be as follows
length: 100 or 120 cm
width: 60 cm
thickness: 8 cm while the metallic knitting is in wire of 3 / 10th of a mm with a mesh width between 5 and 10 mm and an embossing between 6 and 10 mm.

On a décrit un exemple de réalisation avec du p.s.e., mais l'invention peut être réalisée à partir d'autres matériaux, par exemple le chlorure de polyvynile expansé, le polyéthylène, des mousses polyuréthane ou autres mousses alvéolaires.  An exemplary embodiment has been described with p.s.e., but the invention can be carried out from other materials, for example expanded polyvinyl chloride, polyethylene, polyurethane foams or other cellular foams.

Claims (9)

REVENDICATIONS 1. Support isolant pour enduit mince, caractérisé en ce qu'il est constitué d'une plaque (2) en matériau isolant dans une face de laquelle est partiellement incorporée une armature (3) en réseau à mailles gaufrées. 1. Insulating support for thin plaster, characterized in that it consists of a plate (2) of insulating material in one face of which is partially incorporated a reinforcement (3) in an embossed mesh network. 2. Support isolant selon la revendication 1, caractérisé en ce que l'armature (3) est incorporée sur environ la moitié de son épaisseur à la plaque (2). 2. Insulating support according to claim 1, characterized in that the frame (3) is incorporated over approximately half of its thickness in the plate (2). 3. Support isolant selon la revendication 1 ou 2, caractérisé en ce que l'armature (3) est débordante par rapport à la plaque (2). 3. Insulating support according to claim 1 or 2, characterized in that the frame (3) projects beyond the plate (2). 4. Support isolant selon l'une quelconque des revendications 1 à 3, caractérisé en ce que ladite plaque (2) est munie de moyens d'emboîtement venus de moulage. 4. Insulating support according to any one of claims 1 to 3, characterized in that said plate (2) is provided with interlocking means from molding. 5. Support isolant selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la plaque (2) est en polystyrène expansé. 5. Insulating support according to any one of claims 1 to 4, characterized in that the plate (2) is made of expanded polystyrene. 6. Support isolant selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'armature (3) est constituée par une nappe de tricot métallique. 6. Insulating support according to any one of claims 1 to 5, characterized in that the frame (3) is constituted by a sheet of metallic knitted fabric. 7. Procédé de fabrication d'un support isolant selon les revendications 5 et 6, caractérisé en ce que le tricot métallique est apposé sur la partie mâle d'une presse pour le moulage de plaques de polystyrène expansé avant la fermeture de ladite presse et l'introduction des billes de polystyrène et en ce que, après accomplissement de l'opération d'expansion et le démoulage, on provoque une fusion contrôlée de la face de la plaque englobant le tricot métallique, afin de dégager ce dernier sur une partie de son épaisseur. 7. A method of manufacturing an insulating support according to claims 5 and 6, characterized in that the metallic knitted fabric is affixed to the male part of a press for molding expanded polystyrene plates before the closing of said press and the introduction of the polystyrene beads and in that, after completion of the expansion and demolding operation, a controlled fusion of the face of the plate including the metallic knitted fabric is caused, in order to release the latter on part of its thickness. 8. Procédé selon la revendication 7, caractérisé en ce qu'on dégage le tricot métallique sur environ la moitié de son épaisseur. 8. Method according to claim 7, characterized in that the metallic knitted fabric is released over approximately half of its thickness. 9. Procédé selon la revendication 7 ou 8, caractérisé en ce que la fusion contrôlée est opérée par rayonnement infrarouge.  9. Method according to claim 7 or 8, characterized in that the controlled fusion is carried out by infrared radiation.
FR8417094A 1984-11-09 1984-11-09 Insulating coating-support for the external insulation of constructions and its method of manufacture Withdrawn FR2573109A1 (en)

Priority Applications (1)

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FR8417094A FR2573109A1 (en) 1984-11-09 1984-11-09 Insulating coating-support for the external insulation of constructions and its method of manufacture

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Application Number Priority Date Filing Date Title
FR8417094A FR2573109A1 (en) 1984-11-09 1984-11-09 Insulating coating-support for the external insulation of constructions and its method of manufacture

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386864A2 (en) * 1989-03-08 1990-09-12 Textec Textil Engineering Und Consulting Gmbh Constructional element for cladding or covering buildings

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136431A (en) * 1937-12-13 1938-11-15 Charles S Gardaile Baseboard for plaster and the like
GB1189991A (en) * 1966-04-21 1970-04-29 Vulcan Plastics Ltd Improvements in or relating to the Manufacturing of Facing Sheets for Use in Buildings
US3555131A (en) * 1964-12-14 1971-01-12 Victor P Weismann Method for making reinforced modular foam panels
FR2378143A1 (en) * 1977-01-24 1978-08-18 Gen Travaux Batiment Hooked staples for securing reinforced resin panel to wall insulation - where the staples engage the panel reinforcement netting
FR2467077A1 (en) * 1979-10-08 1981-04-17 Scanovator Handel DEVICE FOR CUTTING AND PROJECTING FIBERS FOLLOWING STABILIZED ORIENTATION AND METHODS OF APPLYING SAID DEVICE
US4284447A (en) * 1976-02-20 1981-08-18 Dickens Luther I Method of manufacturing a composite panel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136431A (en) * 1937-12-13 1938-11-15 Charles S Gardaile Baseboard for plaster and the like
US3555131A (en) * 1964-12-14 1971-01-12 Victor P Weismann Method for making reinforced modular foam panels
GB1189991A (en) * 1966-04-21 1970-04-29 Vulcan Plastics Ltd Improvements in or relating to the Manufacturing of Facing Sheets for Use in Buildings
US4284447A (en) * 1976-02-20 1981-08-18 Dickens Luther I Method of manufacturing a composite panel
FR2378143A1 (en) * 1977-01-24 1978-08-18 Gen Travaux Batiment Hooked staples for securing reinforced resin panel to wall insulation - where the staples engage the panel reinforcement netting
FR2467077A1 (en) * 1979-10-08 1981-04-17 Scanovator Handel DEVICE FOR CUTTING AND PROJECTING FIBERS FOLLOWING STABILIZED ORIENTATION AND METHODS OF APPLYING SAID DEVICE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386864A2 (en) * 1989-03-08 1990-09-12 Textec Textil Engineering Und Consulting Gmbh Constructional element for cladding or covering buildings
EP0386864A3 (en) * 1989-03-08 1991-03-27 Textec Textil Engineering Und Consulting Gmbh Constructional element for cladding or covering buildings

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