EP2034102A1 - Self-supporting sandwich panel of plasterboard with polyurethane core - Google Patents
Self-supporting sandwich panel of plasterboard with polyurethane core Download PDFInfo
- Publication number
- EP2034102A1 EP2034102A1 EP07380247A EP07380247A EP2034102A1 EP 2034102 A1 EP2034102 A1 EP 2034102A1 EP 07380247 A EP07380247 A EP 07380247A EP 07380247 A EP07380247 A EP 07380247A EP 2034102 A1 EP2034102 A1 EP 2034102A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sandwich
- mixture
- thermal
- fill
- type panel
- 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
- 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
-
- 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
- E04C2/26—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
- E04C2/296—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 non-metallic or unspecified sheet-material
Definitions
- the invention refers to, as expressed on the wording of this descriptive report, an auto load-bearing "sandwich" type panel, applicable as thermal and acoustic insulation, and to the process for its obtaining.
- the object of the invention consists of a panel for construction essentially composed by an external part made of:
- the field of application of this invention is the sector of the industry dedicated to the manufacturing of materials for construction.
- polyurethane as insulating agent is also known, although it has been traditionally used projected or injected.
- patent # 2167226 referred to an improved panel applicable as thermal and acoustic insulation with, however, certain limitations where its application is concerned, which are improved by means of this invention. More precisely, the mentioned patent advocates a pressing process whilst this invention presents a contention of the chemical reaction, meaning a substantial improvement of the process mechanization and a reduction of production costs, besides of implying an essential change since in this case we advocate the industrial production of a "sandwich" type panel finished for direct installation.
- the improved panel proposed by the invention means an evident innovation within its application field thanks to a series of advantages which require a detailed explanation.
- the mixture of polyurethane components is well known by industry long since, being applied nowadays mainly injected or projected over a surface.
- the object of the invention is to have controlled the mixture so that it can be made by casting (poured in a mould), adding any type of fill which boosts, increases and improves its insulating physical characteristics.
- the mixture is beaten, then poured between the external pre-formed layers of plaster, laminated plaster and/or insulating material, into a mould.
- Such mixture expands within and after a period of time when an expansion occurs due to the chemical reaction of the mixture of polyol and isocyanate, which is controlled by such mould.
- the interior layer auto flattens with the two external layers, sealing and gluing the external layers with the internal one resulting in a "sandwich" type panel.
- the mould admits multiple shape designs so the thickness, width and length of the piece obtained may be varied according to the target intended.
- the new "sandwich" type auto load-bearing panel applicable as thermal and acoustic insulation and its obtaining process represent, consequently, an innovation of structural and constitutive features unknown so far to such end, reasons which together with its practical utility, provide the invention enough ground to obtain the privilege of the exclusivity requested.
- the internal part (3) is formed by the pre-mixture of polyol and isocyanate. Once the mixture of the two mentioned components is produced, it has to be immediately beaten with the fill.
- the percentages may vary depending on the type of fill to be used.
- the compound in the conditions determined by the previous steps, is poured between the two external layers (2) into a mould, which is closed in order to contain the expansion produced by the chemical reaction of the polyurethane.
- the resulting width of the "sandwich" panel (1) depends on the insulation required by each specific circumstance and, consequently, the mould used shall depend on the same.
- the use of one material or another as fill, or the mixture of several of them, shall be determined by the characteristics required in each case, for example:
- the invention advocated may be directly used as partition wall and for the insulation of the floor or ceiling of a house.
Abstract
Description
- The invention refers to, as expressed on the wording of this descriptive report, an auto load-bearing "sandwich" type panel, applicable as thermal and acoustic insulation, and to the process for its obtaining.
- Specifically, the object of the invention consists of a panel for construction essentially composed by an external part made of:
- An external part (2) formed by a material mainly manufactured with plaster or laminated plaster in one or two layers and, optionally, additional insulating materials such as acoustic blanket, rock wool, acoustic sheet, etc., and an internal part made of a mixture of polyol and isocyanate and a mineral, synthetic and/or vegetal filling element, which may vary depending on the physical characteristics desired.
- The field of application of this invention is the sector of the industry dedicated to the manufacturing of materials for construction.
- It is well known the existence of fibre boards able to be used in the construction sector, in different places as insulation against external agents.
- The use of polyurethane as insulating agent is also known, although it has been traditionally used projected or injected.
- On the other hand, we know about a patent related to an application similar to the one herein presented, specifically, patent # 2167226, referred to an improved panel applicable as thermal and acoustic insulation with, however, certain limitations where its application is concerned, which are improved by means of this invention. More precisely, the mentioned patent advocates a pressing process whilst this invention presents a contention of the chemical reaction, meaning a substantial improvement of the process mechanization and a reduction of production costs, besides of implying an essential change since in this case we advocate the industrial production of a "sandwich" type panel finished for direct installation.
- It has to be mentioned also that the applicant is not aware of the existence of any other load-bearing "sandwich" type panel applicable as thermal and acoustic insulation or process for its obtaining which offers technical, structural and configuration features similar to the one herein presented.
- Thus, the improved panel proposed by the invention means an evident innovation within its application field thanks to a series of advantages which require a detailed explanation.
- Firstly, it is pertinent to stress that it allows the achievement of a more effective insulation against noise or thermal fluctuations, using lighter elements.
- Consequently, it is necessary to mention that using panels with thickness similar to the conventional ones but with a lower weight, a higher degree of protection is provided, being such aspect the pillar which supports the key of the invention.
- The mixture of polyurethane components is well known by industry long since, being applied nowadays mainly injected or projected over a surface. The object of the invention is to have controlled the mixture so that it can be made by casting (poured in a mould), adding any type of fill which boosts, increases and improves its insulating physical characteristics.
- Specifically, the mixture is beaten, then poured between the external pre-formed layers of plaster, laminated plaster and/or insulating material, into a mould. Such mixture expands within and after a period of time when an expansion occurs due to the chemical reaction of the mixture of polyol and isocyanate, which is controlled by such mould. Once this process is finished, the interior layer auto flattens with the two external layers, sealing and gluing the external layers with the internal one resulting in a "sandwich" type panel.
- The mould admits multiple shape designs so the thickness, width and length of the piece obtained may be varied according to the target intended.
- The new "sandwich" type auto load-bearing panel applicable as thermal and acoustic insulation and its obtaining process represent, consequently, an innovation of structural and constitutive features unknown so far to such end, reasons which together with its practical utility, provide the invention enough ground to obtain the privilege of the exclusivity requested.
- In order to complement the description being made and to help a better comprehension of the characteristics of the invention, attached to this descriptive report, and as a part of the same, is a set of layouts on which the following was represented with illustrative non-limitative character:
- Figure number 1.- It shows a perspective sight of an example of the making of the load-bearing "sandwich" type panel applicable as thermal and acoustic insulation, where we can see the parts composing it as well as its configuration and disposition.
- Figure number 2.- It shows a detail of a section sight of the panel represented in
figure 1 . - In the light of the descriptive figures, and according to their numbering, it may be seen that the panel (1) in question formed by:
- An external part (2) formed by a material mainly manufactured with plaster or laminated plaster in one or two layers and, in some cases, additional insulating materials (acoustic blanket or sheet, rock wool, fibre glass, etc.).
- And an internal part (3) made with a mixture of:
- Polyol, in an approximate percentage of 20%.
- Isocyanate, in an approximate percentage of 20%
- It has to be mentioned that the internal part (3) is formed by the pre-mixture of polyol and isocyanate. Once the mixture of the two mentioned components is produced, it has to be immediately beaten with the fill.
- The percentages may vary depending on the type of fill to be used.
- After this operation, the compound, in the conditions determined by the previous steps, is poured between the two external layers (2) into a mould, which is closed in order to contain the expansion produced by the chemical reaction of the polyurethane.
- Once 15-20 minutes approximately have elapsed, the internal layer and the external ones auto flatten, seal and glue, without the intervention of any other type of additive.
- Consequently, at that moment the formation of the plaques which develop the function of thermal and acoustic insulation takes place.
- The resulting width of the "sandwich" panel (1) depends on the insulation required by each specific circumstance and, consequently, the mould used shall depend on the same.
- In the internal part (3) of the panel (1), the use of one material or another as fill, or the mixture of several of them, shall be determined by the characteristics required in each case, for example:
- In order to improve fire resistance: Use of fireproof materials with very high melting and softening points (expanded clay, vermiculite, expanded perlite) or which protect the mixture as a whole due to its intrinsic properties (graphite).
- In order to improve the acoustic insulation: Use of materials which break the sound waves by means of superimposed layers of mineral, vegetal and/or synthetic fibres (fibre glass, rock wool, etc.), and/or use of materials which, due to its porous nature, act as acoustic insulators (expanded perlite, expanded clay, etc.).
- In order to improve the thermal insulation: Use of materials which join the considerable thermal insulation inherent to polyurethane, either due to their fibrous composition (rock wool, fibre glass) or their porous nature (expanded perlite, expanded clay, etc.).
- Although for certain situations, when additional levels of insulation are required, specific materials to such end will be used in the external layers, thus achieving higher thermal and/or acoustic insulation, as well as more fire, impact, humidity resistance, etc.
- The invention advocated may be directly used as partition wall and for the insulation of the floor or ceiling of a house.
- Its load-bearing character is also advocated since the density of the material achieved during the process allows its installation without need of frame structural elements.
- Having described the nature of this invention as well as the way to put it into practice, it is not considered necessary to extend further its explanation for an expertise in the field to understand its reach and derived advantages, indicating that, within its essentiality, it might be put in practice under other ways of making differing in detail from the one stated as an example, which will also be covered by the protection applied for provided that its fundamental principle is not altered, changed or modified.
Claims (4)
- AUTO LOAD-BEARING IMPROVED "SANDWICH" TYPE PANEL, APPLICABLE AS THERMAL AND ACOUSTIC INSULATION, AND PROCESS FOR ITS OBTAINING, characterized by the fact of being formed by an external part (2)shaped by a material mainly manufactured from plaster or laminated plaster in one or two layers and, in some cases, additional insulating materials (acoustic blanket or sheet, rock wool, fibre glass, etc.), and by an internal part (3) made with the mixture of liquid polyol and acocyanate with a solid fill of mineral origin (expanded perlite, vermiculite, expanded clay, graphite, rock wool, fibre glass), synthetic origin (synthetic fibres, polystyrene) and/or vegetal origin; for which obtaining of the same internal part (3) the following operations have to be developed:- Beating of the fill with components of the premixed polyurethane.- Pouring of the compound between the external layers (2) into a mould.- Expansion of the beaten mixture contained by the mould.- After 15-20 minutes, auto flattening of the compound, as well as sealing and gluing of the same with the external layers (2), resulting in the "sandwich" type panel.
- Improved auto load-bearing "sandwich" type panel applicable as thermal and acoustic insulation, as per the first claim, characterized by the fact that the fill of mineral, synthetic and/or vegetal origin constitutes approximately 60% of the total mixture.
- Improved auto load-bearing "sandwich" type panel applicable as thermal and acoustic insulation, as per the first claim, characterized by the fact that the liquid polyurethane component used is polyol and it constitutes approximately 20% of the total mixture.
- Improved auto load-bearing "sandwich" type panel applicable as thermal and acoustic insulation, as per the first claim, characterized by the fact that the liquid polyurethane component used is isocyanate and it constitutes approximately 20% of the total mixture.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20070380247 EP2034102B1 (en) | 2007-09-07 | 2007-09-07 | Self-supporting sandwich panel of plasterboard with polyurethane core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20070380247 EP2034102B1 (en) | 2007-09-07 | 2007-09-07 | Self-supporting sandwich panel of plasterboard with polyurethane core |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2034102A1 true EP2034102A1 (en) | 2009-03-11 |
EP2034102B1 EP2034102B1 (en) | 2013-10-23 |
Family
ID=39469612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20070380247 Not-in-force EP2034102B1 (en) | 2007-09-07 | 2007-09-07 | Self-supporting sandwich panel of plasterboard with polyurethane core |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2034102B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000011965A1 (en) * | 2020-05-21 | 2021-11-21 | Int Trading Company S R L | INSULATED PANEL FOR CIVIL AND INDUSTRIAL APPLICATIONS AND RELATED MANUFACTURING PROCEDURE WITH INNOVATIVE INSULATED FLUID MIXTURE |
US11318708B2 (en) * | 2016-07-04 | 2022-05-03 | Rockwool International A/S | Panel |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10287770B2 (en) | 2015-11-04 | 2019-05-14 | Omnis Advanced Technologies | Systems, methods, apparatus, and compositions for building materials and construction |
CN110194642A (en) * | 2019-06-02 | 2019-09-03 | 中美建材有限公司 | A kind of water proof type plasterboard and preparation method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1539431A (en) * | 1966-10-03 | 1968-09-13 | Method and device for manufacturing flat wall or ceiling elements | |
GB1173627A (en) * | 1967-03-17 | 1969-12-10 | Bpb Industries Ltd | Insulation Material. |
US4025687A (en) | 1974-10-08 | 1977-05-24 | Imperial Chemical Industries Limited | Laminates |
US4205687A (en) | 1977-07-29 | 1980-06-03 | Diagnostic Electronics Corporation | Color coded blood flow velocity display equipment |
DE19849135A1 (en) | 1998-10-23 | 2000-04-27 | D.D.C. Planungs-, Entwicklungs- Und Management Ag | Polyurethane foam-based building material contains foliated glass as mineral filler added during the preparation but prior to foaming |
ES2167226A1 (en) | 2000-04-14 | 2002-05-01 | Fernandez Jorge Guerra | Panel used as thermal and acoustic insulation consists of mixture of dry rice husks, liquid polyurethane and a catalyst |
-
2007
- 2007-09-07 EP EP20070380247 patent/EP2034102B1/en not_active Not-in-force
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1539431A (en) * | 1966-10-03 | 1968-09-13 | Method and device for manufacturing flat wall or ceiling elements | |
GB1173627A (en) * | 1967-03-17 | 1969-12-10 | Bpb Industries Ltd | Insulation Material. |
US4025687A (en) | 1974-10-08 | 1977-05-24 | Imperial Chemical Industries Limited | Laminates |
US4205687A (en) | 1977-07-29 | 1980-06-03 | Diagnostic Electronics Corporation | Color coded blood flow velocity display equipment |
DE19849135A1 (en) | 1998-10-23 | 2000-04-27 | D.D.C. Planungs-, Entwicklungs- Und Management Ag | Polyurethane foam-based building material contains foliated glass as mineral filler added during the preparation but prior to foaming |
ES2167226A1 (en) | 2000-04-14 | 2002-05-01 | Fernandez Jorge Guerra | Panel used as thermal and acoustic insulation consists of mixture of dry rice husks, liquid polyurethane and a catalyst |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11318708B2 (en) * | 2016-07-04 | 2022-05-03 | Rockwool International A/S | Panel |
IT202000011965A1 (en) * | 2020-05-21 | 2021-11-21 | Int Trading Company S R L | INSULATED PANEL FOR CIVIL AND INDUSTRIAL APPLICATIONS AND RELATED MANUFACTURING PROCEDURE WITH INNOVATIVE INSULATED FLUID MIXTURE |
Also Published As
Publication number | Publication date |
---|---|
EP2034102B1 (en) | 2013-10-23 |
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