EP0940511A2 - Wärmeisolationspaneel zum Aufbringen auf Wandoberflächen, die insbesondere schnellen Temperaturschwankungen ausgesetzt sind - Google Patents
Wärmeisolationspaneel zum Aufbringen auf Wandoberflächen, die insbesondere schnellen Temperaturschwankungen ausgesetzt sind Download PDFInfo
- Publication number
- EP0940511A2 EP0940511A2 EP99830116A EP99830116A EP0940511A2 EP 0940511 A2 EP0940511 A2 EP 0940511A2 EP 99830116 A EP99830116 A EP 99830116A EP 99830116 A EP99830116 A EP 99830116A EP 0940511 A2 EP0940511 A2 EP 0940511A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- incisions
- approximately
- knurling
- multiplicity
- 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
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Classifications
-
- 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
- E04B1/762—Exterior insulation of exterior walls
Definitions
- the present invention relates to a thermally insulating panel for application to surfaces of walls of buildings that are particularly exposed to sudden changes of temperature, for forming an insulating cladding. More generally, the present invention relates to panels that can be laid on internal or external walls or portions of buildings or structures for any use (private, industrial, services, etc). These panels are usually fitted to prefabricated walls of industrial structures, which in themselves have little insulating power. They are placed edge to edge to form a continuous cladding fixed in some suitable way to the external faces of said walls, for example, by adhesive bonding, pinning in, mechanical fixing (e.g. with metal sections), or with a combination of these techniques.
- the opposite face of the panel from the adhesively bonded face is then protected by applying a plaster, typically reinforced with a mesh of polymer fibers, glass fibers, metal lathing or the like, and completed with a finish coat, generally an organic or inorganic plaster.
- This cladding system is usually termed "overcoat" cladding.
- this type of cladding has a tendency to lift off the wall to which it is applied.
- the plaster too tends to come away from the panel. This is caused by the relatively sharp gradient of deformation.
- the gradient of deformation can be caused by rising and/or falling temperatures and by the temperature gradient which is maintained by said insulating panels between their faces, the outward face being in contact with the plaster which is subject to direct insolation and to cooling, and the inward face in contact with the supporting wall.
- the deformations involve the insulating panel, the wall and the plaster.
- the gradient of deformations tends to cause each panel to bend, subjecting it to tensile and compressive stresses which tend to lift it off the wall to which it is applied.
- these panels (which are usually made from expanded polystyrene cut from blocks, or preformed in slabs, or extruded, in mineral fibers, glass fibers, polyurethane or cork) sometimes offer poor adhesion to the glues and to the plaster itself so that its detachment is facilitated.
- the application of the glue and of the plaster is mostly done by hand. This does not ensure the ideal thickness of said components, which depend on having the correct thickness in order to withstand stresses.
- the adhesion of the plasters and their thickness when not ideal, encourage detachment.
- the present invention provides a thermally insulating panel in which at least the outward surface of the panel, i.e. the opposite surface to that applied to the wall, incorporates at least one multiplicity of incisions that extend preferably over the whole of said surface of the panel.
- the expansion of the outward surface of the panel when it receives heat from the external environment, or gives heat up to the external environment, is at least partially absorbed by said incisions which reduce in thickness and modify the stresses by reducing the amount of area subject to these forces and avoiding the flexing and consequent detachment of the panel from the wall.
- the incisions may be distributed over part of the surface, but preferably over approximately the whole surface. They may be laid out at constant or variable intervals and/or parallel with each other or even in different directions for the different incisions.
- the incisions are preferably continuous and run across the entire panel and, in a preferred embodiment of the invention, may be straight or curved and parallel with each other.
- the incisions preferably exhibit, transversely to the incisions themselves, a uniform distribution.
- the panel incorporates, in addition to said at least one multiplicity of incisions, knurling distributed uniformly generally over the entire outward surface, in order to promote the adhesion of a plaster.
- the knurling may be distributed also over part or all of the inward surface of the panel, in order to provide a key for the adhesive for its bonding to the wall.
- "knurling” means any surface configuration with relief areas and depressed areas.
- the depth of said knurling of the outward surface of the panel in a central area of the surface is shallower than the depth of the knurling of a peripheral band of the same surface.
- the knurling of the rear or inward surface may be distributed only over a peripheral band and in a moderate number of zones inside said band, while yet ensuring a sufficient degree of adhesion of the panel to the wall.
- complete distribution of the knurling over the entire inward or rear surface is not excluded.
- the panel 1 is rectangular in plan view, has a thickness of approximately 40 mm, and is produced by injection moulding of expanded beads of polystyrene.
- the panel according to the invention may differ in shape from the rectangular and may have variably thicknesses, different than and in particular greater than 40 mm.
- the moulded expanded polystyrene is one of the preferred materials, but it should be understood that other materials can be used for the manufacture of the panel, such as expanded polystyrene cut from blocks, extruded expanded polystyrene, cork, glass wool, mineral wool and other materials.
- the panel incorporates - in the example illustrated - straight incisions 3 parallel to its short sides.
- incisions may also be provided along the long sides and/or non-straight non-parallel incisions with non-constant distribution.
- These incisions 3 have a width (s) (see Fig. 5) of approximately 0.5 mm in the example, so that the mortar of a plaster applied to the outside of the cladding composed of the panels does not penetrate into the incisions, or only to a limited extent. Different thicknesses may also be appropriate.
- the incisions 3 have a depth of the order of from approximately 0.5 mm to one half of the thickness of the panel and preferably of one third of the thickness of the panel. This allows the outward surface of the panels to expand in the direction of the greater dimension of each panel, absorbing this expansion with a contraction of the width (s) of said incisions 3, so that in this direction there are no excessive compressive and tensile stresses on each panel due to thermal expansion and so that the tendency of the panel to bend is therefore limited. In the direction of their depth, the incisions need not be perpendicular to the surface of the panel.
- the outward surface 1A of the panel also comprises knurling in the form of protruding triangular islands 5 (see also Fig. 4) separated from one another by straight grooves 7 intersecting with each other in roughly circular intersections (9).
- the triangular islands 5 and said intersections 9, respectively have a height (h) and a diameter (d) of approximately 7 mm, and said grooves 7 have a width of approximately 1 mm, although these measurements should not be regarded as restrictive. Consequently the penetration of the mortar into the grooves 7 and into the intersections 9 enables the plaster to adhere to the surface 1A of the panel.
- a peripheral band 1C of the surface 1A has a knurling depth (p1) (see Fig. 5) greater than the depth (p2) of the knurling of the rest of the surface 1D lying inside the band 1C.
- the rear or inward surface 1B (Fig. 3) by which the panel is applied to the wall incorporates knurling of uniform thickness distributed in a peripheral band 1E and in zones 1F of the area lying inside said peripheral band 1E.
- the knurling is intended to enhance the adhesion and to indicate correctly the distribution of the adhesive on the panel for attachment to the wall, specifically around the edge of the panel and on said zones 1F to avoid flexing caused by thermal expansions.
- This arrangement also makes it possible to limit the volume of adhesive employed and the reduction in insulating power of the panel due to a similar reason to that described above in respect of face 1A.
- the perimeter of the panel may have any configuration, not necessarily the sharp edges illustrated, e.g. dovetail, tongue-and-groove or other configuration to permit the panels to be laid edge-to-edge and/or slotted into each other.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Finishing Walls (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT98FI000049A ITFI980049A1 (it) | 1998-03-05 | 1998-03-05 | Un pannello termoisolante atto ad essere applicato a superfici di pareti di edifici particolarmente esposte a sbalzi termici. |
| ITFI980049 | 1998-03-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0940511A2 true EP0940511A2 (de) | 1999-09-08 |
| EP0940511A3 EP0940511A3 (de) | 2000-05-31 |
| EP0940511B1 EP0940511B1 (de) | 2004-01-28 |
Family
ID=11352420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99830116A Expired - Lifetime EP0940511B1 (de) | 1998-03-05 | 1999-03-05 | Wärmeisolationspaneel zum Aufbringen auf Wandoberflächen, die insbesondere schnellen Temperaturschwankungen ausgesetzt sind |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0940511B1 (de) |
| AT (1) | ATE258629T1 (de) |
| DE (1) | DE69914386T2 (de) |
| ES (1) | ES2213345T3 (de) |
| IT (1) | ITFI980049A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007029105A1 (en) * | 2005-09-07 | 2007-03-15 | Edilteco S.R.L. | A system for cladding building structures |
| EP2347912A1 (de) | 2010-01-20 | 2011-07-27 | Müller Martini Holding AG | Vorrichtung zur Verformung eines Buchblockrückens |
| FR2977265A1 (fr) * | 2011-07-01 | 2013-01-04 | Isobox Technologies | Panneau composite pour l'isolation thermique de facade de batiments |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7935446U1 (de) * | 1979-12-17 | 1980-04-03 | Basf Ag, 6700 Ludwigshafen | Waermedaemmplatte |
| DE3203046A1 (de) * | 1982-01-30 | 1983-08-04 | Friedrich 6702 Bad Dürkheim Heck | Innendaemmung von nassraeumen und daemmplatte zu deren herstellung |
| FR2589903B1 (fr) * | 1985-11-07 | 1990-08-17 | Zryd Ets | Dispositif d'isolation de murs par l'exterieur. |
| US5224316A (en) * | 1991-08-05 | 1993-07-06 | Fredericks Chester P | Textured insulated building panel |
| IT237244Y1 (it) * | 1995-10-25 | 2000-09-05 | Dow Italia | Pannello per l'isolamento termico di pilastri o travi di edificipresentante linee di prerottura atte a consentire la separazione |
-
1998
- 1998-03-05 IT IT98FI000049A patent/ITFI980049A1/it unknown
-
1999
- 1999-03-05 DE DE69914386T patent/DE69914386T2/de not_active Expired - Fee Related
- 1999-03-05 ES ES99830116T patent/ES2213345T3/es not_active Expired - Lifetime
- 1999-03-05 EP EP99830116A patent/EP0940511B1/de not_active Expired - Lifetime
- 1999-03-05 AT AT99830116T patent/ATE258629T1/de not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007029105A1 (en) * | 2005-09-07 | 2007-03-15 | Edilteco S.R.L. | A system for cladding building structures |
| EP2347912A1 (de) | 2010-01-20 | 2011-07-27 | Müller Martini Holding AG | Vorrichtung zur Verformung eines Buchblockrückens |
| FR2977265A1 (fr) * | 2011-07-01 | 2013-01-04 | Isobox Technologies | Panneau composite pour l'isolation thermique de facade de batiments |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0940511B1 (de) | 2004-01-28 |
| ATE258629T1 (de) | 2004-02-15 |
| EP0940511A3 (de) | 2000-05-31 |
| ITFI980049A0 (it) | 1998-03-05 |
| DE69914386D1 (de) | 2004-03-04 |
| ES2213345T3 (es) | 2004-08-16 |
| ITFI980049A1 (it) | 1999-09-05 |
| DE69914386T2 (de) | 2004-11-04 |
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