FR2508379A1 - Multiple layer sound and heat insulating wall cladding - has two plastics sheets and two plastics foam layers welded together - Google Patents

Multiple layer sound and heat insulating wall cladding - has two plastics sheets and two plastics foam layers welded together Download PDF

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Publication number
FR2508379A1
FR2508379A1 FR8112867A FR8112867A FR2508379A1 FR 2508379 A1 FR2508379 A1 FR 2508379A1 FR 8112867 A FR8112867 A FR 8112867A FR 8112867 A FR8112867 A FR 8112867A FR 2508379 A1 FR2508379 A1 FR 2508379A1
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France
Prior art keywords
sheets
structure according
layer
layers
plastics
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Granted
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FR8112867A
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French (fr)
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FR2508379B1 (en
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VRIDAUD GERARD
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VRIDAUD GERARD
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Priority to FR8112867A priority Critical patent/FR2508379B1/en
Publication of FR2508379A1 publication Critical patent/FR2508379A1/en
Application granted granted Critical
Publication of FR2508379B1 publication Critical patent/FR2508379B1/en
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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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B37/0076—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised in that the layers are not bonded on the totality of their surfaces
    • B32B37/0084—Point bonding
    • 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
    • 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
    • B32B5/18—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 features of a layer of foamed material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7654—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
    • E04B1/7658—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres
    • E04B1/7662—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres comprising fiber blankets or batts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating

Abstract

Multiple layer cladding sheet for internal walls, acts as a sound and moisture proof barrier to which can be added a derivative layer such as wallpaper. It consists of an outer sheet (1), a thermal insulation layer (2), an intermediate layer (3) and a second thermal insulation layer. All f-oufour layers can be connected together by hot welding, and the welds can be in the form of weld lines (5) which cross each other at right angles to form on pattern of squares. The first and third layers oareare of aluminium reinforced polyethylene sheet and the other two layers are of plastics foam or fibres forming heat insulating layers. The welds can be continuous, or by multiple weld points, close together, and extend from back to front without perforating the sheets.

Description

L'invention est relative aux structures composites en feuille qui sont utilisées dans l'industrie du bâtiment aux fins d'isolation thermique. The invention relates to composite sheet structures which are used in the building industry for thermal insulation purposes.

De préférence, elle s'applique également aux structures de ce genre qui, en même temps, constituent des barrières contre l'humidité. Preferably, it also applies to structures of this kind which, at the same time, constitute barriers against humidity.

Les structures de ce genre actuellement connues sont constituées par au moins deux feuilles, par exemple une feuille d'isolation thermique sous forme de molleton de fibres et une feuille formant barrière contre l'humidité et constituée par une matière plastique aluminisée (MYLAR),
Pour réaliser l'assemblage de ces deux feuilles, on a recours à un procédé par coutures longitudinales. Cette technique présente divers inconvénients ; du fait du piquage, la structure est trouée sur toute son épaisseur, ce qui crée autant de points de passage de l'humidité ; les trous de piquage constituent également autant de points de faible résistance mécanique ; enfin, les coutures étant longitudinales, l'air peut librement circuler dans le plan de la structure, ee qui nuit aux propriétés d'isolation thermique.Structures of this kind currently known consist of at least two sheets, for example a thermal insulation sheet in the form of fiber fleece and a sheet forming a barrier against humidity and constituted by an aluminized plastic material (MYLAR),
To assemble these two sheets, a longitudinal stitching process is used. This technique has various drawbacks; due to the stitching, the structure is perforated over its entire thickness, which creates as many moisture passage points; the tapping holes also constitute as many points of low mechanical resistance; finally, the seams being longitudinal, the air can circulate freely in the plane of the structure, which adversely affects the thermal insulation properties.

L'invention a pour but de remédier à ces inconvénients en proposant une structure nouvelle, avec son procédé de fabrication. The invention aims to remedy these drawbacks by proposing a new structure, with its manufacturing process.

A cet effet, la structure composite selon l'invention, comportant au moins deux feuilles d'isolation, est caractérisée par le fait que les feuilles sont en matière plastique soudable i chaud et sont réunies par des lignes de soudage définissant entre elles des contours fermés, de préférence quadrangulaires. To this end, the composite structure according to the invention, comprising at least two insulation sheets, is characterized by the fact that the sheets are made of hot weldable plastic material and are joined by welding lines defining between them closed contours , preferably quadrangular.

Le procédé selon l'invention, pour réaliser une telle structure, est caractérisé par le fait que les feuilles superposées sont soumises à un chauffage transversal avec compression,le long de lignes entrecroisées, provoquant une fusion ou une dégrada- tion locale desdites feuilles et leur assemblage par collage des produits résultant du chauffage. The method according to the invention, for producing such a structure, is characterized in that the superimposed sheets are subjected to transverse heating with compression, along crisscrossed lines, causing local melting or degradation of said sheets and their bonding of products resulting from heating.

Le chauffage est réalisé par exemple par des matrices chauffées, par la technique du laser ou encore, de préférence, par ultrasons. The heating is carried out for example by heated dies, by the laser technique or, preferably, by ultrasound.

On comprendra bien l'invention à la lecture de la description qui va suivre et en référence au dessin annexé dans lequel
Fig. 1 est une vue partielle en plan d'une structure selon l'invention ; et
Fig. 2 est, à plus grande échelle, une coupe selon II-If de la structure de la fig. 1. The invention will be clearly understood on reading the description which follows and with reference to the appended drawing in which
Fig. 1 is a partial plan view of a structure according to the invention; and
Fig. 2 is, on a larger scale, a section along II-If of the structure of FIG. 1.

Dans le mode de réalisation de la structure composite selon l'invention représenté à titre d'exemple sur le dessin, la structure comporte : une feuille extérieure 1, une première couche d'isolation thermique 2, une feuille intermédiaire 3 et une seconde couche d'isolation thermique 4, ou couche intérieure. In the embodiment of the composite structure according to the invention shown by way of example in the drawing, the structure comprises: an outer sheet 1, a first layer of thermal insulation 2, an intermediate sheet 3 and a second layer d 'thermal insulation 4, or inner layer.

La structure est destinée à garnir la paroi intérieure d'un mur, la feuille 1 étant contre le mur et la couche 4 étant tournée vers l'intérieur de la pièce pour être recouverte d'un reve- tement mural. The structure is intended to line the interior wall of a wall, the sheet 1 being against the wall and the layer 4 being turned towards the interior of the room to be covered with a wall covering.

Les quatre épaisseurs 1-4 sont en matière plastique soudable à chaud par fusion ou dégradation. The four thicknesses 1-4 are made of plastic which is heat weldable by fusion or degradation.

La feuille 1 est en polyéthylène aluminisé armé, la couche 2 est un matelas ou molleton en polyamide ou polyester sous forme de fibres ou de mousse, de préférence à cellules fermées, la feuille 3 est en polyéthylène aluminé et la couche 4 est analogue à la couche 2. The sheet 1 is made of reinforced aluminized polyethylene, the layer 2 is a polyamide or polyester mattress or fleece in the form of fibers or foam, preferably with closed cells, the sheet 3 is made of aluminized polyethylene and the layer 4 is similar to the layer 2.

Les feuilles l et 3 constituent des barrières de vapeur tandis que les couches 2 et 4 forment des écrans thermiques. The sheets 1 and 3 constitute vapor barriers while the layers 2 and 4 form heat shields.

Pour la réalisation de la structure, les couches constitutives 1 à 4 sont appelées en continu par des rouleaux à partir de bobines d'alimentation ; une fois superposées, elles passent dans un poste d'assemblage qui exerce une pression et un chauffage. Cette opération provoque une modification de la structure physique et/ou chimique des couches constitutives qui se traduit, en sortie, par le soudage de ces couches provoqué par les produits de la modification de structure. For the realization of the structure, the constituent layers 1 to 4 are called continuously by rollers from supply coils; once superimposed, they pass through an assembly station which exerts pressure and heating. This operation causes a modification of the physical and / or chemical structure of the constituent layers which results, at the output, in the welding of these layers caused by the products of the modification of structure.

L'assemblage se fait également en continu. Pour cela, le chauffage est réalisé sélectivement, dans le temps, en des points programmés situés le long d'une ligne transversale au sens de défilement des couches superposées. The assembly is also done continuously. For this, the heating is carried out selectively, over time, at programmed points situated along a transverse line in the direction of travel of the superimposed layers.

Le chauffage est réalisé par des matrices chauffées, par laser ou par ultrasons. The heating is carried out by heated dies, by laser or by ultrasound.

On obtient ainsi sur la structure des lignes 5 d'assemblage par soudure. There are thus obtained on the structure assembly lines 5 by welding.

Selon l'invention, ces lignes s'entrecroisent pour définir entre elles des contours fermés ou alvéoles 6. De préférence, ces alvéoles sont quadrangulaires. According to the invention, these lines intersect to define between them closed contours or cells 6. Preferably, these cells are quadrangular.

Les lignes 5 sont constituées, suivant le mode de chauffage utilisé, par des points séparés et très rapprochés ou par des bandes continues. En épaisseur, elles s'étendent d'une face à l'autre de la structure. The lines 5 are constituted, depending on the heating mode used, by separate and very close points or by continuous bands. In thickness, they extend from one face to the other of the structure.

Avec ce mode de liaison, on évite les inconvénients de l'art antérieur : d'une part, il n'existe aucune perforation de la structure, ce qui évite le passage de l'humidité ; d'autre part, l'air emprisonné dans les alvéoles ne peut circuler, ce qui fournit une parfaite isolation thermique.  With this mode of connection, the drawbacks of the prior art are avoided: on the one hand, there is no perforation of the structure, which prevents the passage of moisture; on the other hand, the air trapped in the cells cannot circulate, which provides perfect thermal insulation.

Claims (9)

R E V E N -D I C A T I.O N SR E V E N -D I C A T I.O N S 1. Structure isolante en feuille, comportant au moins deux feuilles d'isolation (1-4), caractérisée par le fait que les feuilles(I-4 > sont en matière plastique soudable à chaud et sont réunies par des lignes de soudage (5) définissant entre elles des contours fermés (6), de préférence quadrangulaires. 1. Insulating sheet structure, comprising at least two insulation sheets (1-4), characterized in that the sheets (I-4> are made of heat-weldable plastic material and are joined by welding lines (5 ) defining between them closed contours (6), preferably quadrangular. 2. Structure selon la revendication 1, caractérisée par le fait qu'elle comporte au moins une couche (1, 3) en polyéthylène aluminisé et au moins une couche (2, 4) en polyamide ou en polyester sous forme d'un matelas de fibres ou sous forme de mousse. 2. Structure according to claim 1, characterized in that it comprises at least one layer (1, 3) of aluminized polyethylene and at least one layer (2, 4) of polyamide or polyester in the form of a mattress fibers or in the form of foam. 3. Structure selon l'une des revendications 1 et 2, caractérisée par le fait qu'elle comporte une couche extérieure (1) en polyéthylène alumldsé armé. 3. Structure according to one of claims 1 and 2, characterized in that it comprises an outer layer (1) of reinforced alumldsé polyethylene. 4. Structure selon l'une des revendications 1 à 3, caractérisée par le fait qu'elle comporte une couche intermédiaire (3) en polyéthylène aluminisé placée entre deux couches d'isolant thermique. 4. Structure according to one of claims 1 to 3, characterized in that it comprises an intermediate layer (3) of aluminized polyethylene placed between two layers of thermal insulation. 5. Structure selon l'une des revendications 1 à 4, caractérisée par le fait que les lignes de soudage (5) sont constituées par des points séparés et très rapprochés. 5. Structure according to one of claims 1 to 4, characterized in that the welding lines (5) are constituted by separate points and very close together. 6. Structure selon l'une des revendications 1 à 4, caractérisée par le fait que les lignes de soudage (S) sont constituées par des bandes continues. 6. Structure according to one of claims 1 to 4, characterized in that the welding lines (S) are constituted by continuous strips. 7. Structure selon l'une des revendications 1 à 6, caractérisée par le fait que les lignes de soudage (5) stéten- dent d'une face à l'autre, sans perforation. 7. Structure according to one of claims 1 to 6, characterized in that the welding lines (5) stentent from one face to the other, without perforation. 8. Procédé pour la réalisation de la structure selon l'une des revendications 1 à 7, caractérisé par le fait que les feuilles (1-4) superposées sont soumises à un chauffage transversal aveccompression, le long de lignes entrecroisées (5), provoquant une fusion ou une dégradation locale desdites feuilles et leur assemblage par collage des produits résultant du chauffage. 8. Method for producing the structure according to one of claims 1 to 7, characterized in that the superimposed sheets (1-4) are subjected to transverse heating with compression, along intersecting lines (5), causing a local melting or degradation of said sheets and their assembly by bonding of the products resulting from the heating. 9. Procédé selon la revendication 8, caractérisé par le fait que le chauffage est réalisé par des matrices chauffées, par laser ou par ultrasons.  9. Method according to claim 8, characterized in that the heating is carried out by heated dies, by laser or by ultrasound.
FR8112867A 1981-06-30 1981-06-30 INSULATED COMPOSITE SHEET STRUCTURE AND METHOD FOR MANUFACTURING SAME Expired FR2508379B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8112867A FR2508379B1 (en) 1981-06-30 1981-06-30 INSULATED COMPOSITE SHEET STRUCTURE AND METHOD FOR MANUFACTURING SAME

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Application Number Priority Date Filing Date Title
FR8112867A FR2508379B1 (en) 1981-06-30 1981-06-30 INSULATED COMPOSITE SHEET STRUCTURE AND METHOD FOR MANUFACTURING SAME

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FR2508379A1 true FR2508379A1 (en) 1982-12-31
FR2508379B1 FR2508379B1 (en) 1986-03-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910358A (en) * 1996-11-06 1999-06-08 The Dow Chemical Company PVC-free foamed flooring and wall coverings
EP1369226A1 (en) * 2002-05-31 2003-12-10 Fagerdala World Foams Ab Laminated sheet

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1157150A (en) * 1956-08-03 1958-05-27 Improvements to auxiliary thermal insulation means and articles, in particular for growing frames and the like
FR1465443A (en) * 1964-09-15 1967-01-13 Mobay Chemical Corp Articles made of foamed plastic laminates, and method of making such articles
FR2187541A1 (en) * 1972-06-02 1974-01-18 Dupre Ets Multilayer upholstery fabrics - with undulating padded panels assembled by thermoplastic welding to trap a foam underlay
EP0022896A1 (en) * 1979-07-18 1981-01-28 Walter Dr. Köcher Composite article, method of and apparatus for producing the same
FR2462268A1 (en) * 1979-07-30 1981-02-13 Customagic Europ Local compression of foam-backed upholstery to simulate stitched panel - using thermoplastic foam or powder and applying local heat and pressure
FR2481644A1 (en) * 1980-05-03 1981-11-06 Verseidag ALVEOLE COMPOSITE MATTRESS, IN PARTICULAR FOR INSULATION AND DECORATION, AND METHOD FOR PRODUCING THE SAME

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1157150A (en) * 1956-08-03 1958-05-27 Improvements to auxiliary thermal insulation means and articles, in particular for growing frames and the like
FR1465443A (en) * 1964-09-15 1967-01-13 Mobay Chemical Corp Articles made of foamed plastic laminates, and method of making such articles
FR2187541A1 (en) * 1972-06-02 1974-01-18 Dupre Ets Multilayer upholstery fabrics - with undulating padded panels assembled by thermoplastic welding to trap a foam underlay
EP0022896A1 (en) * 1979-07-18 1981-01-28 Walter Dr. Köcher Composite article, method of and apparatus for producing the same
FR2462268A1 (en) * 1979-07-30 1981-02-13 Customagic Europ Local compression of foam-backed upholstery to simulate stitched panel - using thermoplastic foam or powder and applying local heat and pressure
FR2481644A1 (en) * 1980-05-03 1981-11-06 Verseidag ALVEOLE COMPOSITE MATTRESS, IN PARTICULAR FOR INSULATION AND DECORATION, AND METHOD FOR PRODUCING THE SAME

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910358A (en) * 1996-11-06 1999-06-08 The Dow Chemical Company PVC-free foamed flooring and wall coverings
EP1369226A1 (en) * 2002-05-31 2003-12-10 Fagerdala World Foams Ab Laminated sheet

Also Published As

Publication number Publication date
FR2508379B1 (en) 1986-03-28

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