FR2620747A1 - Process for manufacture of a composite material for thermal insulation of buildings and the new material obtained - Google Patents
Process for manufacture of a composite material for thermal insulation of buildings and the new material obtained Download PDFInfo
- Publication number
- FR2620747A1 FR2620747A1 FR8713400A FR8713400A FR2620747A1 FR 2620747 A1 FR2620747 A1 FR 2620747A1 FR 8713400 A FR8713400 A FR 8713400A FR 8713400 A FR8713400 A FR 8713400A FR 2620747 A1 FR2620747 A1 FR 2620747A1
- Authority
- FR
- France
- Prior art keywords
- core
- fibers
- thermal insulation
- buildings
- film
- 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
- 239000000463 material Substances 0.000 title claims abstract description 10
- 238000009413 insulation Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000002131 composite material Substances 0.000 title claims description 4
- 238000000034 method Methods 0.000 title description 8
- 239000006260 foam Substances 0.000 claims abstract description 12
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 3
- 239000000057 synthetic resin Substances 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 22
- 239000011505 plaster Substances 0.000 claims description 12
- 230000035515 penetration Effects 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims 1
- 239000004568 cement Substances 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 8
- 239000010408 film Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- 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
-
- 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
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/045—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance 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
-
- 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
- E04B1/80—Heat insulating elements slab-shaped
-
- 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
-
- 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
- B32B2607/00—Walls, panels
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Finishing Walls (AREA)
- Building Environments (AREA)
Abstract
Description
PROCEDE DE FABRICATION D'UN MATERIAU COMPOSITE POUR
L'ISOLATION THERMIQUE DES BATIMENTS ET NOUVEAU MATERIAU
OBTENU
La présente invention est relative au domaine technique de l'isolation thermique des bâtiments. Le matériau isolant se présente sous la forme d'un panneau composé d'une âme en résine synthetique expansée,recouverte sur ses deux-faces d'un revêtement permettant le scellement grâce à des liants à base de plâtre ou de ciment sans autre adjuvant.PROCESS FOR MANUFACTURING A COMPOSITE MATERIAL FOR
THERMAL INSULATION OF BUILDINGS AND NEW MATERIAL
GOT
The present invention relates to the technical field of thermal insulation of buildings. The insulating material is in the form of a panel composed of a core of expanded synthetic resin, covered on its two faces with a coating allowing the sealing thanks to binders based on plaster or cement without any other adjuvant.
Lorsque l'isolation thermique des bâtiments est devenue une nécessite par suite d'une élévation importante du coût de l'énergie, des produits efficaces mais pas vraiment conçus pour être mis facilement et économiquement en oeuvre par les professionnels de la construction, ont été commercialisés. When the thermal insulation of buildings became a necessity due to a significant increase in the cost of energy, efficient products, but not really designed to be easily and economically implemented by construction professionals, were marketed .
C'est ainsi que les plâtriers se trouvent limités à proposer des cloisons traditionnelles en brique pour recouvrir et protéger des isolants qu'ils auront eux-même fixés aux parois grâce à des moyens mécaniques qui ne leur sont pas familiers. Le coOt de cette méthode est très élevée si non prohibitif. De plus,l'ensemble isolant plus protection est très encombrant, il réduit de ce fait la surface habitable et il est impossible d'isoler les embrasures des portes et des fenetres. This is how plasterers are limited to offering traditional brick partitions to cover and protect the insulators which they themselves have fixed to the walls by mechanical means which are not familiar to them. The cost of this method is very high if not prohibitive. In addition, the insulating assembly more protection is very bulky, it therefore reduces the living area and it is impossible to isolate the doorways and windows.
Le maçon affronte de graves difficultés lorsqu'il doit isoler un bâtiment par l'extérieur. Il doit utiliser des colles, des vissages, pour fixer contre la paroi à isoler, des matériaux très fragiles. The mason faces serious difficulties when he has to insulate a building from the outside. It must use glues, screw connections, to fix very fragile materials against the wall to be insulated.
Toutes ces opérations sont complètement étrangères à sa méthodologie. All these operations are completely foreign to its methodology.
Le plus difficile restant encore à faire, car il doit ensuite réaliser un recouvrement de protection d'aspect traditionnel adhérant le mieux possible à l'isolant et résistant au fendillement.The most difficult still to be done, because it must then achieve a protective covering of traditional appearance adhering as best as possible to the insulation and resistant to cracking.
Les matériaux les plus élaborés sont constitués par une mousse synthétique associée sur l'une de ses faces à un parement rigtde tel que plâtre ou bois reconstitué. La liaison réalisée industriellement est satisfaisante. Par contre, la fixation de ces éléments contre une paroi à isoler ne peut pas étre- fiable. Elle est assurée par collage ou par vissage en deux ou trois points par mètre carré. The most elaborate materials consist of a synthetic foam associated on one of its faces with a rigid facing such as plaster or reconstituted wood. The connection produced industrially is satisfactory. On the other hand, the fixing of these elements against a wall to be insulated cannot be reliable. It is provided by gluing or screwing in two or three points per square meter.
Pour beaucoup d'utilisateurs potentiels, un local isolé suivant ce procédé donne l'impression d'une habitation de qualité inférieure.For many potential users, an isolated room following this process gives the impression of a lower quality home.
En outre, les fixations murales ainsi que la résistance à la déformation de ces panneaux les rendent inaptes à supporter des éléments mobiliers et certains revêtements tcls que carrelages. Enfin, l'alignement et la planimétrie de ces panneaux nécessitent beaucoup de soins.In addition, the wall fasteners as well as the resistance to deformation of these panels make them unsuitable for supporting furniture elements and certain coverings such as tiles. Finally, the alignment and the planimetry of these panels require a lot of care.
Seuls les menuisiers semblent être capables de telles réalisations alors que la grande majorité d'entre eux refuse ce travail.Only carpenters seem to be capable of such achievements while the vast majority of them refuse this work.
Par ses qualités de coQt, de résistance mécanique, de pouvoir isolant, de facilité de mise en oeuvre, le nouveau matériau constitue un réel progrès. By its qualities of cost, mechanical resistance, insulating power, ease of implementation, the new material constitutes real progress.
C'est une mousse de polyuréthane qui assure préférentiellement la fonction d'isolation thermique. Elle a été retenue pour diverses raisons qui sont
- son coefficient d'isolation thermique qui est le meilleur de
tous les isolants utilisables en ce domaine.It is a polyurethane foam which preferably performs the function of thermal insulation. It was chosen for various reasons which are
- its thermal insulation coefficient which is the best of
all insulators usable in this field.
- à qualité isolante égale, c'est le produit le plus économique. - with equal insulating quality, it is the most economical product.
- sa mise en oeuvre industrielle est parfaitement maitrisee et
ne nécessite pas un outillage couteux.- its industrial implementation is perfectly mastered and
does not require expensive tools.
- sa reprise d'humidité est nulle. - its moisture absorption is zero.
- sa résistance à l'éclatement sous contrainte de traction est
importante, entre 200 et 300 kilonewtons par mètre carré.- its resistance to bursting under tensile stress is
significant, between 200 and 300 kilonewtons per square meter.
- au cours de sa mise en oeuvre, lors de son expansion, elle peut
tres facilement pénétrer à l'intérieur d'un complexe fibreux
auquel elle adhérera parfaitement. Les fibres pouvant ainsi
constituer un moyen d'ancrage très fiable. L'expérience montre
que l'éclatement sous contrainte de traction ne se produit pas
au niveau des fibres, mais au sein de la mousse normalement
expansée.- during its implementation, during its expansion, it can
very easily penetrate inside a fibrous complex
to which it will adhere perfectly. The fibers can thus
constitute a very reliable anchoring means. Experience shows
that bursting under tensile stress does not occur
at the fiber level, but within the foam normally
expanded.
La mousse sera donc expansée entre deux complexes fibreux qu'elle pénétrera partiellement. L'âme du panneau ainsi réalisée présentera sur
chacune de ses faces un aspect fibreux.The foam will therefore be expanded between two fibrous complexes which it will partially penetrate. The core of the panel thus produced will present on
each of its faces has a fibrous appearance.
Les maçons et les plâtriers maitrisent parfaitement les techniques
de mise en oeuvre des liants tels que le plâtre et le ciment. Ces mate^
riaux sont très économiques si l'on compare leur coût à celui des mêmes liants additionnés de nombreux adjuvants et à celui des colles nécessaires à la mise en oeuvre des autres procédés.Masons and plasterers perfectly master the techniques
of using binders such as plaster and cement. These mate ^
Rials are very economical if we compare their cost to that of the same binders with many additives and to that of the glues necessary for the implementation of the other processes.
On sait aussi que la reprise des liants naturels l'un sur l'autre est aisée et fiable, ciment sur ciment, platre sur plâtre et sur ciment. C'est donc un de ces liants qui sera utilisé pour imprégner les fibres déjà prisonnières de la mousse et sceller les panneaux contre la paroi à isoler. L'imprégnation des fibres est une opération qui peut très facilement être industrialisée. La prise du liant pouvant dans ce cas être accélérée par passage en tunnel chauffant ou en étuver
Le panneau isolant livré sur le chantier sera donc preférentelle- ment constitué par une âme en mousse de pplyuréthane, recouverte sur ses deux faces par un liant à base de ciment ou de plâtre, les fibres alternativement noyées dans la mousse et chacun des revêtements assurent la cohésion de 1 'ensemble. We also know that the resumption of natural binders one on the other is easy and reliable, cement on cement, plaster on plaster and on cement. It is therefore one of these binders which will be used to impregnate the fibers already trapped in the foam and seal the panels against the wall to be insulated. The impregnation of fibers is an operation which can very easily be industrialized. The setting of the binder can in this case be accelerated by passing through a heating tunnel or steaming it
The insulating panel delivered to the site will therefore preferably consist of a core of pplyurethane foam, covered on both sides by a cement or plaster-based binder, the fibers alternately embedded in the foam and each of the coatings ensure the cohesion of the whole.
L'accrochage du liant de scellement mis en oeuvre sur le chantier peut être facilite par un moyen très simple. Il suffit, lors de l'inv dustrialisation des panneaux,de réaliser sur toute leur surface des rai nures peu profondes ou de fines ondulations. La surface de contact du liant de scellement s'en trouve augmentée et celui-ci a moins tendance à couler lorsque les ondulations ou les rainures se trouvent placées dans le sens horizontal. The attachment of the sealing binder used on the site can be facilitated by a very simple means. It is sufficient, during the industrialization of the panels, to make shallow grooves or fine undulations over their entire surface. The contact surface of the sealant is increased and it is less likely to leak when the corrugations or grooves are placed in the horizontal direction.
De tous les matériaux mis en oeuvre, seule la nature des fibres pourrait poser problème, non du côte de la mousse qui est parfaitement neutre, mais du côté revêtement si celui-ci est à base de ciment. Of all the materials used, only the nature of the fibers could be a problem, not on the side of the foam which is perfectly neutral, but on the coating side if the latter is based on cement.
L'agressivité du ciment limite le choix des fibres a des matières telles que par exemple : fibre de verre spécial inattaqué par les alcalis ou fibres de polypropylène. En règle générale, on peut avoir recours à toutes les fibres qui sont couramment utilisées pour le renforcement des bétons dans des proportions de 1 à 2 % en volume. Le plâtre, beaucoup plus neutre, peut s accommoder de certaines fibres naturelles, Les fibres de polypropylène, par leur inaltérabilité, leur ténacité, leur fatbte coût, leur facilité de mise en oeuvre, sont un matériau de choix en toutes circonstances.The aggressiveness of cement limits the choice of fibers to materials such as, for example: special glass fiber attacked by alkalis or polypropylene fibers. As a general rule, all the fibers which are commonly used for reinforcing concrete can be used in proportions of 1 to 2% by volume. Plaster, much more neutral, can accommodate certain natural fibers. Polypropylene fibers, by their inalterability, their tenacity, their low cost, their ease of implementation, are a material of choice in all circumstances.
Sans moyen approprié, il est très difficile de limiter la pénetration de la mousse de polyurethane à l'intérieur d'un complexe fibreux. Without suitable means, it is very difficult to limit the penetration of polyurethane foam inside a fibrous complex.
Pour y parvenir efficacement et économiquement, on a recours à un procédé qui consiste à placer à l'intérieur du complexe fibreux,un film mince de polyéthyléne par exemple. Ce film a deux fonctions, il limite la pénétration de la mousse et sert de support aux fibres. L'association de ces deux éléments est réalisée par aiguilletage des fibres au travers du film. Cette opération est réalisée grâce à des outillages connus, qui par simple réglage de la course des aiguilles permettent de positionner le film au niveau désiré à l'intérieur du complexe obtenu. En choisissant des fibres plus longues que le pas d'aiguilletage, on obtient des boucles plus ou moins longues qui rendent encore plus fiable l'ancrage.To achieve this efficiently and economically, a method is used which consists in placing inside the fibrous complex, a thin film of polyethylene for example. This film has two functions, it limits the penetration of the foam and serves as a support for the fibers. The association of these two elements is achieved by needling the fibers through the film. This operation is carried out using known tools, which by simply adjusting the stroke of the needles make it possible to position the film at the desired level inside the complex obtained. By choosing fibers longer than the needling pitch, we obtain more or less long loops which make anchoring even more reliable.
Les panneaux ainsi réalisés seront très facilement mis en place par un maçon ou un plâtrier suivant que leur revêtement est a base de ciment
ou de plâtre. Enduits sur une face, ils seront appliqués sur la surface à isoler. Avant leur pose, la planimétrie de cette surface n'a pas à être reprise si les panneaux sont de petite dimension. Après la prise du scel liement une ou plusieurs projections permettront de réaliser des surfaces parfaitement planes. L'ensemble,paroi à isoler, panneau d'isolation et surface rectifiée, constitueront un ensemble parfaitement cohérent, très résistant aux contraintes de toutes sortes et éventuellement porteur d'élements mobiliers ou autres.The panels thus produced will be very easily installed by a mason or a plasterer depending on whether their coating is based on cement.
or plaster. Coated on one side, they will be applied to the surface to be insulated. Before their installation, the planimetry of this surface does not have to be repeated if the panels are small. After the bonding has taken place, one or more projections will allow perfectly flat surfaces to be produced. The assembly, wall to be insulated, insulation panel and rectified surface, will constitute a perfectly coherent unit, very resistant to constraints of all kinds and possibly carrying furniture or other elements.
La figure 1 est une vue en coupe d'un panneau isolant réalisé selon l'invention. Figure 1 is a sectional view of an insulating panel produced according to the invention.
Un exemple non limitatif de réalisation va permettre, en se référant à la figure 1, de décrire les caractéristiques générales d'un panneau ainsi que celles de chacun de ses constituants. A nonlimiting example of embodiment will make it possible, with reference to FIG. 1, to describe the general characteristics of a panel as well as those of each of its constituents.
La résine synthétique polyuréthane 1, expansée sous forme de mousse à cellules fermées qui constitue l'âme du panneau a une épaisseur de 40 millimètres, une densité de 40 grammes par litre et une conductibilité thermique de 0,02 watt par mètre et par degré. Les revêtements 2 en plâtre ont une épaisseur de 1 centimètre, la conductibilité thermique du plâtre est de 0,46 watt par mètre et par degré. Les filins 3 en polyéthylène ont une épaisseur de 0,1 millimètre et une conductibilité thermique de 0,25 watt par mètre et par degré. Le coefficient K de l'ensemble est de 0,49 watt par mètre carré et par degré. Les fibres 4 alternativement noyées dans le revêtement de plâtre 2 et l'âme en mousse 1 sont solida-. The synthetic polyurethane resin 1, expanded in the form of closed-cell foam which constitutes the core of the panel, has a thickness of 40 millimeters, a density of 40 grams per liter and a thermal conductivity of 0.02 watts per meter per degree. The plaster coverings 2 have a thickness of 1 cm, the thermal conductivity of the plaster is 0.46 watt per meter and per degree. The polyethylene ropes 3 have a thickness of 0.1 millimeter and a thermal conductivity of 0.25 watts per meter and per degree. The coefficient K of the whole is 0.49 watt per square meter and per degree. The fibers 4 alternately embedded in the plaster covering 2 and the foam core 1 are secured.
risées au film 3 par aiguilletage. laughing at film 3 by needling.
Sur la figure 1, pour plus de clarté dans le dessin, une seule fibre a été représentée en association avec chacun des films 3. En pratique les fibres de 30 décitex sont beaucoup plus denses, leur poids est d'environ 400 grammes par mètre carré. Elles sont de préférence longues, plus de 10 centimètres. La fréquence de l'aiguilletage est d'au moins 30 coups d'aiguille au centimètre carré. In Figure 1, for clarity in the drawing, a single fiber has been shown in association with each of the films 3. In practice, the fibers of 30 decitex are much denser, their weight is approximately 400 grams per square meter . They are preferably long, more than 10 centimeters. The frequency of needling is at least 30 needle strokes per square centimeter.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8713400A FR2620747B1 (en) | 1987-09-23 | 1987-09-23 | PROCESS FOR MANUFACTURING A COMPOSITE MATERIAL FOR THE THERMAL INSULATION OF BUILDINGS AND NEW MATERIAL OBTAINED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8713400A FR2620747B1 (en) | 1987-09-23 | 1987-09-23 | PROCESS FOR MANUFACTURING A COMPOSITE MATERIAL FOR THE THERMAL INSULATION OF BUILDINGS AND NEW MATERIAL OBTAINED |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2620747A1 true FR2620747A1 (en) | 1989-03-24 |
| FR2620747B1 FR2620747B1 (en) | 1990-01-05 |
Family
ID=9355297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8713400A Expired - Lifetime FR2620747B1 (en) | 1987-09-23 | 1987-09-23 | PROCESS FOR MANUFACTURING A COMPOSITE MATERIAL FOR THE THERMAL INSULATION OF BUILDINGS AND NEW MATERIAL OBTAINED |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2620747B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0936063A2 (en) * | 1998-02-10 | 1999-08-18 | Puren-Schaumstoff Gmbh | Thermally insulating composite building element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3295278A (en) * | 1963-04-03 | 1967-01-03 | Plastitect Ets | Laminated, load-bearing, heat-insulating structural element |
| FR2418847A1 (en) * | 1978-03-01 | 1979-09-28 | Rigips Baustoffwerke Gmbh | PLASTER BUILDING PLATE WITH FIBERGLASS COATING |
| FR2456176A1 (en) * | 1979-05-11 | 1980-12-05 | Gtm Gatiment Travaux Publics | Building block made from cellular plaster or clay - has rectangular tongue and groove jointing, exterior weather-proof rendering and holes to reduce weight |
| FR2547533A1 (en) * | 1983-06-17 | 1984-12-21 | Montana Jacqueline | PREFABRICATED ELEMENT BASED ON PLASTER, IN PARTICULAR FOR THE BUILDING AND ITS MANUFACTURING METHOD |
-
1987
- 1987-09-23 FR FR8713400A patent/FR2620747B1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3295278A (en) * | 1963-04-03 | 1967-01-03 | Plastitect Ets | Laminated, load-bearing, heat-insulating structural element |
| FR2418847A1 (en) * | 1978-03-01 | 1979-09-28 | Rigips Baustoffwerke Gmbh | PLASTER BUILDING PLATE WITH FIBERGLASS COATING |
| FR2456176A1 (en) * | 1979-05-11 | 1980-12-05 | Gtm Gatiment Travaux Publics | Building block made from cellular plaster or clay - has rectangular tongue and groove jointing, exterior weather-proof rendering and holes to reduce weight |
| FR2547533A1 (en) * | 1983-06-17 | 1984-12-21 | Montana Jacqueline | PREFABRICATED ELEMENT BASED ON PLASTER, IN PARTICULAR FOR THE BUILDING AND ITS MANUFACTURING METHOD |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0936063A2 (en) * | 1998-02-10 | 1999-08-18 | Puren-Schaumstoff Gmbh | Thermally insulating composite building element |
| EP0936063A3 (en) * | 1998-02-10 | 2001-03-21 | Puren-Schaumstoff Gmbh | Thermally insulating composite building element |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2620747B1 (en) | 1990-01-05 |
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