EP2909390A1 - Panneau de construction en materiau isolant - Google Patents
Panneau de construction en materiau isolantInfo
- Publication number
- EP2909390A1 EP2909390A1 EP12809294.7A EP12809294A EP2909390A1 EP 2909390 A1 EP2909390 A1 EP 2909390A1 EP 12809294 A EP12809294 A EP 12809294A EP 2909390 A1 EP2909390 A1 EP 2909390A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- insulating material
- recess
- face
- cutting line
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
- E04C2/205—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics of foamed plastics, or of plastics and foamed plastics, optionally reinforced
Definitions
- the present invention relates to building boards of insulating materials, and in particular large panels of insulating material, which can serve as a building construction wall.
- the panels of insulating material are cut out.
- this cut can advantageously be practiced by applying a hot wire, which will melt the expanded polystyrene as would a hot knife in butter.
- Such cutting techniques are generally known for these types of panels. The problem that arises is that the hot wire that enters the insulating material of the panel necessarily leaves a groove, emerging from the panel once the cut-out recess, even if the operator or the machine are very careful or are very precise .
- This silon which manifests itself in part of the thickness of the panel, at a depth at least equal to that of the distance of the inner distal face of the recess from the outer face of the panel, is very often partially filled with cutting debris, in the form of a sheet of expanded polystyrene, which must be removed from the furrow, so that it can be plugged by an adhesive or a sealing joint, for example a polymer product based on pofy urethane.
- the thickness of the sheet of insulating material to be removed after the cut is generally between 5/100 th and e 10/100 of a millimeter, and this small thickness is difficult to remove cleanly, requiring time and labor expensive.
- an object of the present invention is a panel eti insulating material, provided with a recess formed in said panel and through the thickness of the latter from a first outer face of said panel to another diametrically opposite face, said recess being adapted in size and in volume to receive a curable hydraulic binder and / or a mechanical reinforcing element, the recess being connected to a cutting line made from the first outer face of the panel to an inner face of the recess, in which said panel comprises, starting from said first outer face of the panel towards the other diametrically opposite face, isothermal internal blocking means against the thrust exerted by the curable hydraulic binder.
- the internal isothermal blocking means against the thrust exerted by the curable hydraulic binder are constituted by the cutting line made from the first outer face of the panel to an inner face of the recess. More preferably, the cutting line does not describe a straight line from the first outer face to the inner face of the recess.
- the term "does not describe a straight line” means that the cutting line may take a shape other than a straight line, as is the case with the panels described in the prior art, whose line of cutting takes the shortest path between the first outer face of the panel and the inner proximal face of the recess.
- the cutting line of the isothermal internal blocking means comprises at least an internal locking angle located along the line between the first outer face and the inner face of the recess.
- this internal locking angle is between about 5 ° to about 340 °, and more preferably between 30 ° and 90 °.
- the cutting line of the isothermal internal blocking means comprises at least one portion with a radius of curvature or an arc of a circle situated along the line between the first external face and the internal face of the recess.
- the portion with a radius of curvature or an arc has a radius of curvature of between about 90 ° and about 180 °.
- the locking means could break under the effect of pressure. curable hydraulic binder once introduced into the recess.
- the recess is filled with concrete, the bottom of the panel at the cutting line, when the panel is erected vertically , undergoes a pressure of the order of 1.44 kg / cm 2 , which would tend to cause its rupture.
- the cutting line of the isothermal internal blocking means starts on the first outer face of the panel at an offset point of a shortest straight vinous cutting line connecting the outer face of the panel to the inner face of the panel. the nearest recess.
- the cutting line of the isothermal internal blocking means opens on an inner side face of the recess, preferably at the right angle formed by this side face with the rear face of the recess.
- the recess is not a recess at right angles, it will preferably be chosen as the exit point of the cutting line a point at the rear of the recess from the outer face of the panel.
- the cutting line of the isothermal internal blocking means defines an internal projection of continuous insulating material, comprising a tail extending from the outer face and a locking head.
- the tail is made of insulating material defined by a side face of the recess and the cutting line, and having a thickness less than or equal to one third of the most dimension. wide of the recess.
- the head is made of insulating material, and projects from the tail in a direction substantially orthogonal to the direction of the cutting line, that is to say the cutting direction from the outer face of the panel. Even more preferably, the head has a thickness less than or equal to the thickness of the tail, and more preferably still between 5 mm and 7 cm.
- the tail and the head together form isothermal internal blocking means in the form of a hemispherical segment, the curved portion of the hemispherical segment projecting in a direction substantially opposite to an internal lateral face of the recess.
- the panels of insulating material according to the present invention advantageously has a thickness of between 150 mm and 1200 mm.
- the panel of insulating material has a tail as defined above with a minimum thickness of 5 mm, and preferably 50 mm.
- the insulating material panel comprises a static air layer along a cutting line between two internal faces corresponding to the cutting line, with a thickness of the order of 3/10. e of millimeter.
- the insulating material panel according to the invention has a BBC energy consumption value called "low consumption building" of between 91 kWh / nr / year and 150 kWh / m 2 / year.
- the insulating material panel according to the invention has a passive energy loss value of less than 15 kWh / m 2 / year.
- the maximum dimension of the recess is between 10% and 40%, and preferably 33%, of the distance between the outer face of the panel in which the cutting line and the inner face of the recess to which said cutting line opens.
- the insulating materials constituting the panel according to the invention we will choose those generally known to those skilled in the art, but preferably the insulating material chosen is expanded polystyrene.
- Figures 1A and IB are a schematic cross sectional representation of a known building board according to the prior art, including the FR295 I 206 patent application;
- Figure 2 is a schematic cross-sectional representation of a building panel according to the present invention.
- FIG. 3 is a schematic representation of a sheet of insulating material removed by hand from the cutting line made in a panel according to Figure 1.
- FIGS. 1A and 1B one can see the schematic representation of a building panel 1, for example of expanded polystyrene, as described in the patent application published under the number FR2951206.
- This panel l comprises:
- a recess 60 is made inside the panel, intended to receive a binder
- the recess 60 is obtained by cutting with a heated wire, for example, by means of an electrical resistance, technologies generally known to those skilled in the art for cutting this type of material.
- the outline of the cut is shown in Figure IA by arrows. It will be noted that the cutting line starting from the outer front face 2 extends in a straight line to an inner front face of the future recess. Then, the wire passes in the counter-clockwise direction, making a cut in the mass of the insulating material, which melts when the heated wire passes, to emerge again on the outer front face 2. It releases the cut material, which leaves a recess passing through the panel to a desired thickness or length.
- the material can not be left inside the space, because it would tend to serve as a sliding plate between the two faces of the cutting line, when filling the recess with the hydraulic binder for example, concrete, facilitating the displacement of one part of the panel relative to another due to the pressure or counter-thrust exerted by the hydraulic binder. It is for this reason that in practice, we try to fill the space with a filling product, for example a polyurethane glue, but this refueling is difficult in practice, generates a thermal bridge between the Moreover, the faces of the cutting line may cause the panel to break when the hydraulic binder is introduced, because of the interactions between the glue and the surfaces of the cutting line made of insulating material.
- a filling product for example a polyurethane glue
- FIG. 2 it is possible to see substantially the same construction panel 1, provided with the same recess 60, and the external faces 2, 3, 4, 5 and internal 30, 40, 50.
- the main difference lies in the fact that the cutting line is not a straight line, but that it is configured to form isothermal internal blocking means.
- the cutting line in the panel according to the invention and as shown in FIG. 2 starts to the right of a virtual straight line which relies on the outer front face and the front corner between the lateral face. and the inner front of the recess.
- This cutting line according to the invention describes several angles 7, 8, 9, in this case, right angles, thus forming a tail 10 and a head 1 1 of insulating material.
- the head 11 is a substantially orthogonal projection of the shank 10, that is to say that it extends substantially perpendicular to the extension direction of the shank 10. This projection of material is pushed by the hydraulic binder when the latter is introduced into the recess, to come and press against an inner face of the cutting line.
- the tail 10 also moves slightly with the thrust of the hydraulic binder when it is introduced into the recess, without breaking, because the tail has a thickness adapted to withstand such pressure.
- the two insulating materials are the same, that is to say that of the inner face of the cutting line and that of the head, and as there is no breakage of material between the two parts, the material being continuous, no thermal bridge is created. At most there is a static air layer, which is sandwiched on the one hand by the tail 10 and the head 1 1, and on the other by the inner face of the cutting line.
- a cutting line having a shank 10 and a head having a rounded portion with a radius of curvature or in an arc.
- Other configurations are naturally also possible, the only constraint being that there is blockage between the cut elements and an inner face of the cutting line, so as to form the locking means, without creating a thermal bridge.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/FR2012/000415 WO2014057175A1 (fr) | 2012-10-12 | 2012-10-12 | Panneau de construction en materiau isolant |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2909390A1 true EP2909390A1 (fr) | 2015-08-26 |
| EP2909390B1 EP2909390B1 (fr) | 2020-03-25 |
| EP2909390B8 EP2909390B8 (fr) | 2020-04-29 |
Family
ID=47471854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12809294.7A Active EP2909390B8 (fr) | 2012-10-12 | 2012-10-12 | Panneau de construction en materiau isolant |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2909390B8 (fr) |
| WO (1) | WO2014057175A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3456895B1 (fr) * | 2017-09-19 | 2021-11-10 | DiHa Patentverwertungs GbR | Mur muni de supports en béton et procédé de construction d'un tel mur |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT291498B (de) * | 1965-11-12 | 1971-07-12 | Markus Ing Stracke | Bauelement |
| DE2156006A1 (de) * | 1971-11-11 | 1973-07-26 | Fred Konzuch | Betonfachwerk (diagonale anordnung) mit hartschaum- bzw. leichtbauschalelementen, welche gleichzeitig fuell-, putzund isolierteile sind |
| RO123373B1 (ro) * | 2005-09-22 | 2011-11-30 | Laurenţiu-Dumitru Breaz | Elemente modulare, reţea, structură de rezistenţă, construcţie şi procedeu de obţinere |
| RO123557B1 (ro) * | 2007-08-22 | 2013-08-30 | Laurenţiu-Dumitru Breaz | Element modular, reţea, structură de rezistenţă şi construcţie obţinută cu aceste elemente modulare |
| FR2951206A1 (fr) | 2009-10-13 | 2011-04-15 | Christophe Portugues | Panneau de construction composite |
-
2012
- 2012-10-12 EP EP12809294.7A patent/EP2909390B8/fr active Active
- 2012-10-12 WO PCT/FR2012/000415 patent/WO2014057175A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014057175A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2909390B1 (fr) | 2020-03-25 |
| EP2909390B8 (fr) | 2020-04-29 |
| WO2014057175A1 (fr) | 2014-04-17 |
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