CA2156376A1 - Heat insulation board - Google Patents
Heat insulation boardInfo
- Publication number
- CA2156376A1 CA2156376A1 CA 2156376 CA2156376A CA2156376A1 CA 2156376 A1 CA2156376 A1 CA 2156376A1 CA 2156376 CA2156376 CA 2156376 CA 2156376 A CA2156376 A CA 2156376A CA 2156376 A1 CA2156376 A1 CA 2156376A1
- Authority
- CA
- Canada
- Prior art keywords
- heat insulation
- board
- rafters
- boards
- groove
- 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.)
- Abandoned
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 51
- 239000004793 Polystyrene Substances 0.000 claims abstract description 14
- 229920002223 polystyrene Polymers 0.000 claims abstract description 14
- 239000002984 plastic foam Substances 0.000 claims abstract description 10
- 239000006260 foam Substances 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 3
- 229920006327 polystyrene foam Polymers 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 230000000717 retained effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011049 pearl Substances 0.000 description 2
- 238000006711 Chan reduction reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 239000004795 extruded polystyrene foam Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
- E04B7/22—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
- E04D13/1625—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters
- E04D13/1631—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters the means deriving from the nature or the shape of the insulating material itself
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The object of the invention is a heat insulation board made of tough-viscous plastic foam substance, especially polystyrene direction of the longitudinal axis of the board and that run through the entire board.
Description
~ ~l 56376 This invention relates to an automatically clamping heat insulation board made of tough-viscous plastic foam substances as well as a process for the thermal insulation of roofs, especially steep roofs.
Tough-viscous plastic foam substances, for example, those made of polystyrene particle foam, are Used on a large scale to insulate buildings and building parts, above all roofs, against t~le effect of cold and heat. By nature, t~ley have a 10 relatively high degree of stiffness. As a result of this high degree of mechanical stiffness, it is, for example, much more difficult and more time consuming to install boards made of tough-viscous plastic foam substances as heat insulation between the roof rafters, than in the case of soft fiber insulating substances. The rafter interval within a field and also from one field to the next is changed mostly by virtue of inaccurate placement and by the shifting of t~le rafters;
this is why each individual board must be specially tailored.
Cold bridges or crack damage~ develop on roof insulation 20 tracks due to shrinkage or thermal contraction of the stiff pla6tic foam boards or due to chans~es in the shape of t~le carrying structure.
To correct this deficiency, EP-A-0 Olg 058 proposed the use of heat insulation boards made of tough-viscous plastic foam substances, especially polystyrene, that, on both sides, are provided with a plurality of slits and that, on the four front surfaces, have mutually opposite groove and spring profiles.
30 When these board are laid, two or more boards are in eacll case a6sembled on the front surfaces by means of a groove and spring Connection; of this board composite, the board part that protrudes over the interval between the roof rafters is cut off plus a small added segment; the properly tailored board composite is compressed by that added segment and is inserted between the rafters. ;rhe cut piece can be connected witll another board piece in the manner described and can be inserted in another rafter interval. These heat insulation boards offer the advantage that practically non-cutting roof insulation i8 possible with their help. sesides, t~le boards can be compressed by means of the slit arrangement to a slight degree and that leads to a restoring force. As a result, the board6 automatically hold in the interval between rafters.
The disadvantage here, however, is represented by the great production effort that results from the placement of the slits 10 in the board.
DE-U-93 14 719 . 8 describes an insulation board that consists of plastic foam material that has been made elastic by bending or crumbling the surface of the cells. In that way, the board can be elastically compressed at least in one direction parallel to the cover surfaces and will clamp automatically between the roof rafters. of course, in these boards, t~le compressibility is not yet optimal and the tension of the board can let us after some time.
The object of the invention was to provide a heat insulation board, especially for the heat insulation of roofs, tllat can be placed in a simple manner, that gets along without additional fastening means, and that is easy to manufacture.
The object of the invention was achieved rather surprisingly by means of a heat insulation board made of tough-viscous plastic foam material, especially polystyrene particle foam, in which are made cavities that extend parallel to the cover 30 surfaces in the direction of the longitudinal axis of tlle board and that run through the entire board.
The obj ect of the invention accordingly is a heat insulation board made of tough-viscous plastic foam, especially polystyrene particle foam, in which are made cavities running along the direction of the longitudinal axis of t~le board, ~ 2 1 56376 throughout the entire board.
The object of the invention furthermore is a process for the insulation of steep roofs, using tlle heat insulation board according to the invention.
The heat insulation boards according to the invention preferably have raw densities of between 7 and 40 kg/m3, in particular, lo and 30 kg/m3. The dimensions of the heat 10 insulation boards according to the invention can be selected as desired in keeping with the particular area of use. When the heat insulation boards according to the invention are used for the insulation of steep roofs, the width should be 400 to 2,000 mm, in particular, 500 to 800 mm, the length should be 400 to lo,ooo mm, in particular, 500 to 1,250 mm, and the thickness should preferably be between 40 and 200 mm.
The heat insulation boards meet the requirements of DIN
(German Industrial Standard) 18 164.
In particular, the heat insulation boards consist of polystyrene foam. Compared to extruded polystyrene foam, one preferably uses polystyrene particle foam.
In a particularly advantageous embodiment, the heat insulation boards according to the invention consist of elastified tough-viscous plastic foam, especially elastified polystyrene particle foam.
30 Cavities run through the entire board. They can have different shapes, for example, they can be square, rectangular, round, or triangular. To ensure the stability of t~le board, they should not take up any more than 20% of the board's volume. A cavity volume accounting for between 7 and 12% of the board volume is advantageous.
The polystyrene particle foam that is preferably used in making the heat insulation boards according to the invention, as well ae the foam boards as such, are made in the usual and known fashion, as described, for example, in EP-8-106 129.
In describing the manufacture of the heat insulation boards according to the invention, the terms "foam boards" and "foam block6" are used with identical meanings, unless otherwise indicated in the specification.
The foam boards can be elastified in different ways.
For example, it is possible to get polystyrene particle foam with elastic properties by means of the elastif i~ation of polystyrene pearls, for example, by means of the well-known incorporation of elastomers, such as rubbers, into the - polystyrene matrix and by foaming the thus elastified particles .
20 It is also possible to treat expanded polystyrene pearls for elastification in the plastified state with pressure.
In particular, tough-viscous foam substances -- such as polyolefin or polystyrene foam, especially polystyrene particle foam -- however are elastified by compressing, specifically, upending of boards of blocks. The upending here can be done by rolling or pressing the foam blocks.
In the process, one gets an anisotropy in that the cells are 30 upended in the direction of the board thickness.
A particularly good elastifying effect is achieved when the foam boards are compressed in the direction of the board thickness down to between 60 and 90% of their original thickness, if the upending is eliminated, and if this process is repeated at least once.
~- 2156376 Then the boards thus treated are stored until their complete re-expansion, as a rule, at least for one day. Subsequently, these foam blocks or boards can be brought to the desired dimensions of the heat insulation boards in the known manner, for example, by cutting perpendicularly to the direction of elastif ication .
The cavities can be inserted already during t~le manufacture of the foam boards by correspondingly fashioning the molds lo into the boards, for example, by plates or rods that are inserted into the mold in the direction of the desired cavities .
But the cavitie6 can al60 be inserted into the compact board following the molding step, for example, by drilling, cutting, or other methods. Here one can use both elastified and non-elastified boards.
The heat insulation boards according to the invention are 20 outstandingly 6uitable for the insulation of roofs, especially steep roofs.
Quite surprisingly, they develop restoring force6 that resemble those of a pressure 6pring. In that way, they can be clamped between the roof rafters in a simple fashion.
For placement between the roof rafters, the heat insulation boards are cut to the dimen6ion of the rafter interval by means of an added segment that depend6 on the elastification 30 attained in the board and they can then be inserted between the boards by bending them slightly.
By virtue of their restoring force, they are automatically clamped between the roof rafters. ~dditional aids for fastening them and holding them in place are not required.
To prevent any cracks between the individual boards laterally with respect to the roof rafters, it is advantageous to attach a groove-spring profile at two opposite sides of the heat insulation boards. In that way it is possible, after the placement of the boards between the roof rafters, to shift the boards along the direction of tile rafters until t~lere is a connection between the groove and the spring SQ that one can achieve complete ~ealing action.
lo In a particularly advantageous embodiment, as described in EP-A-19 058, mutually opposite groove-spring profiles are attached on all side surfaces. The remaining pieces that are obtained on the groove-spring profile during the cutting of the heat insulation boards can be assembled with a new board and can be inserted between the roof rafters as described above. In that way one can lay the heat insulation boards practically without any loss. The groove-spring connection ensures a perfect 6eat and outstanding wind-proof quality.
20 The heat insulation board according to the invention facilitates simple insulation, especially between the roof rafterg of steep roofs. The heat insulation boards according to the invention have a very good heat insulation ef f ect even in case of small thickness. By virtue of their restoring force they have an excellent hold and no additional aids are needed to fasten them.
sesides, the weight of the board can be reduced further by the cavities .
The manufacture of the heat insulation boards according to the invention is simpler and cheaper when compared to the heat insulation boards described in EP-A-19 058.
Exannples Figure6 1 to 3 show an : ~ 1; t of the heat insulation board according to the invention.
The cavities are made in the form of ~ectangles. Tlle groove-sprin~ profile here extends only along two mutually opposite sides of the board.
10 With this kind of board shape and with the board consisting of poly6tyrene particle foam, with a raw density of 15 kg/m3, it was possible to achieve a 5-~ compression.
Figures 4 to 6 show another embodiment of the heat insulation board according to the invention; here, the cavities are also made as rectangles; the board has mutually opposite groove-spring profiles on all sides.
Tough-viscous plastic foam substances, for example, those made of polystyrene particle foam, are Used on a large scale to insulate buildings and building parts, above all roofs, against t~le effect of cold and heat. By nature, t~ley have a 10 relatively high degree of stiffness. As a result of this high degree of mechanical stiffness, it is, for example, much more difficult and more time consuming to install boards made of tough-viscous plastic foam substances as heat insulation between the roof rafters, than in the case of soft fiber insulating substances. The rafter interval within a field and also from one field to the next is changed mostly by virtue of inaccurate placement and by the shifting of t~le rafters;
this is why each individual board must be specially tailored.
Cold bridges or crack damage~ develop on roof insulation 20 tracks due to shrinkage or thermal contraction of the stiff pla6tic foam boards or due to chans~es in the shape of t~le carrying structure.
To correct this deficiency, EP-A-0 Olg 058 proposed the use of heat insulation boards made of tough-viscous plastic foam substances, especially polystyrene, that, on both sides, are provided with a plurality of slits and that, on the four front surfaces, have mutually opposite groove and spring profiles.
30 When these board are laid, two or more boards are in eacll case a6sembled on the front surfaces by means of a groove and spring Connection; of this board composite, the board part that protrudes over the interval between the roof rafters is cut off plus a small added segment; the properly tailored board composite is compressed by that added segment and is inserted between the rafters. ;rhe cut piece can be connected witll another board piece in the manner described and can be inserted in another rafter interval. These heat insulation boards offer the advantage that practically non-cutting roof insulation i8 possible with their help. sesides, t~le boards can be compressed by means of the slit arrangement to a slight degree and that leads to a restoring force. As a result, the board6 automatically hold in the interval between rafters.
The disadvantage here, however, is represented by the great production effort that results from the placement of the slits 10 in the board.
DE-U-93 14 719 . 8 describes an insulation board that consists of plastic foam material that has been made elastic by bending or crumbling the surface of the cells. In that way, the board can be elastically compressed at least in one direction parallel to the cover surfaces and will clamp automatically between the roof rafters. of course, in these boards, t~le compressibility is not yet optimal and the tension of the board can let us after some time.
The object of the invention was to provide a heat insulation board, especially for the heat insulation of roofs, tllat can be placed in a simple manner, that gets along without additional fastening means, and that is easy to manufacture.
The object of the invention was achieved rather surprisingly by means of a heat insulation board made of tough-viscous plastic foam material, especially polystyrene particle foam, in which are made cavities that extend parallel to the cover 30 surfaces in the direction of the longitudinal axis of tlle board and that run through the entire board.
The obj ect of the invention accordingly is a heat insulation board made of tough-viscous plastic foam, especially polystyrene particle foam, in which are made cavities running along the direction of the longitudinal axis of t~le board, ~ 2 1 56376 throughout the entire board.
The object of the invention furthermore is a process for the insulation of steep roofs, using tlle heat insulation board according to the invention.
The heat insulation boards according to the invention preferably have raw densities of between 7 and 40 kg/m3, in particular, lo and 30 kg/m3. The dimensions of the heat 10 insulation boards according to the invention can be selected as desired in keeping with the particular area of use. When the heat insulation boards according to the invention are used for the insulation of steep roofs, the width should be 400 to 2,000 mm, in particular, 500 to 800 mm, the length should be 400 to lo,ooo mm, in particular, 500 to 1,250 mm, and the thickness should preferably be between 40 and 200 mm.
The heat insulation boards meet the requirements of DIN
(German Industrial Standard) 18 164.
In particular, the heat insulation boards consist of polystyrene foam. Compared to extruded polystyrene foam, one preferably uses polystyrene particle foam.
In a particularly advantageous embodiment, the heat insulation boards according to the invention consist of elastified tough-viscous plastic foam, especially elastified polystyrene particle foam.
30 Cavities run through the entire board. They can have different shapes, for example, they can be square, rectangular, round, or triangular. To ensure the stability of t~le board, they should not take up any more than 20% of the board's volume. A cavity volume accounting for between 7 and 12% of the board volume is advantageous.
The polystyrene particle foam that is preferably used in making the heat insulation boards according to the invention, as well ae the foam boards as such, are made in the usual and known fashion, as described, for example, in EP-8-106 129.
In describing the manufacture of the heat insulation boards according to the invention, the terms "foam boards" and "foam block6" are used with identical meanings, unless otherwise indicated in the specification.
The foam boards can be elastified in different ways.
For example, it is possible to get polystyrene particle foam with elastic properties by means of the elastif i~ation of polystyrene pearls, for example, by means of the well-known incorporation of elastomers, such as rubbers, into the - polystyrene matrix and by foaming the thus elastified particles .
20 It is also possible to treat expanded polystyrene pearls for elastification in the plastified state with pressure.
In particular, tough-viscous foam substances -- such as polyolefin or polystyrene foam, especially polystyrene particle foam -- however are elastified by compressing, specifically, upending of boards of blocks. The upending here can be done by rolling or pressing the foam blocks.
In the process, one gets an anisotropy in that the cells are 30 upended in the direction of the board thickness.
A particularly good elastifying effect is achieved when the foam boards are compressed in the direction of the board thickness down to between 60 and 90% of their original thickness, if the upending is eliminated, and if this process is repeated at least once.
~- 2156376 Then the boards thus treated are stored until their complete re-expansion, as a rule, at least for one day. Subsequently, these foam blocks or boards can be brought to the desired dimensions of the heat insulation boards in the known manner, for example, by cutting perpendicularly to the direction of elastif ication .
The cavities can be inserted already during t~le manufacture of the foam boards by correspondingly fashioning the molds lo into the boards, for example, by plates or rods that are inserted into the mold in the direction of the desired cavities .
But the cavitie6 can al60 be inserted into the compact board following the molding step, for example, by drilling, cutting, or other methods. Here one can use both elastified and non-elastified boards.
The heat insulation boards according to the invention are 20 outstandingly 6uitable for the insulation of roofs, especially steep roofs.
Quite surprisingly, they develop restoring force6 that resemble those of a pressure 6pring. In that way, they can be clamped between the roof rafters in a simple fashion.
For placement between the roof rafters, the heat insulation boards are cut to the dimen6ion of the rafter interval by means of an added segment that depend6 on the elastification 30 attained in the board and they can then be inserted between the boards by bending them slightly.
By virtue of their restoring force, they are automatically clamped between the roof rafters. ~dditional aids for fastening them and holding them in place are not required.
To prevent any cracks between the individual boards laterally with respect to the roof rafters, it is advantageous to attach a groove-spring profile at two opposite sides of the heat insulation boards. In that way it is possible, after the placement of the boards between the roof rafters, to shift the boards along the direction of tile rafters until t~lere is a connection between the groove and the spring SQ that one can achieve complete ~ealing action.
lo In a particularly advantageous embodiment, as described in EP-A-19 058, mutually opposite groove-spring profiles are attached on all side surfaces. The remaining pieces that are obtained on the groove-spring profile during the cutting of the heat insulation boards can be assembled with a new board and can be inserted between the roof rafters as described above. In that way one can lay the heat insulation boards practically without any loss. The groove-spring connection ensures a perfect 6eat and outstanding wind-proof quality.
20 The heat insulation board according to the invention facilitates simple insulation, especially between the roof rafterg of steep roofs. The heat insulation boards according to the invention have a very good heat insulation ef f ect even in case of small thickness. By virtue of their restoring force they have an excellent hold and no additional aids are needed to fasten them.
sesides, the weight of the board can be reduced further by the cavities .
The manufacture of the heat insulation boards according to the invention is simpler and cheaper when compared to the heat insulation boards described in EP-A-19 058.
Exannples Figure6 1 to 3 show an : ~ 1; t of the heat insulation board according to the invention.
The cavities are made in the form of ~ectangles. Tlle groove-sprin~ profile here extends only along two mutually opposite sides of the board.
10 With this kind of board shape and with the board consisting of poly6tyrene particle foam, with a raw density of 15 kg/m3, it was possible to achieve a 5-~ compression.
Figures 4 to 6 show another embodiment of the heat insulation board according to the invention; here, the cavities are also made as rectangles; the board has mutually opposite groove-spring profiles on all sides.
Claims (9)
1. Heat insulating board, particularly suitable for the insulation of steep roofs, characterized in that it consists of tough-viscous plastic foam and that, in the direction of the longitudinal axis of the board, reveals -- running parallel to the cover surfaces, in at least one direction --cavities that run through the entire width of the board.
2. Heat insulation board according to claim 1, characterized in that it consists of polystyrene particle foam.
3. Heat insulation board according to claim 1, characterized in that it consists of elastified polystyrene foam.
4. Heat insulation board according to claim 2, characterized in that it consists of elastified polystyrene particle foam.
5. Heat insulation board according to claim 1 to 4, charac-terized in that it has a groove-spring profile on two opposite sides.
6. Heat insulation board according to claim 1 to 4, charac-terized in that, along its sides, it has mutually opposite groove-spring profiles.
7. Process for insulation of roofs, especially between the rafters of steep roofs, characterized in that heat insulation boards, according to claim 1, are compressed, are clamped between the rafters, and are retained firmly there by virtue of their restoring forces.
8. Process according to claim 7, characterized in that heat insulation boards according to claim 5, after insertion between the rafters, are assembled, by means of shifting in the longitudinal direction of the rafters, by forming a groove-spring connection.
9. Process according to claim 7, characterized in that in the case of heat insulation boards according to claim 6, the separated rest of the heat insulation board that protrudes over the rafter interval is assembled by means of a groove-spring connection with another board, said composite being clamped between the rafters and -- after insertion between the roof rafters -- is assembled, by shifting in the longitudinal direction of the rafters, with another board, forming a groove-spring connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4429261.9 | 1994-08-18 | ||
| DE19944429261 DE4429261A1 (en) | 1994-08-18 | 1994-08-18 | Thermal roof insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2156376A1 true CA2156376A1 (en) | 1996-02-19 |
Family
ID=6525965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2156376 Abandoned CA2156376A1 (en) | 1994-08-18 | 1995-08-17 | Heat insulation board |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2156376A1 (en) |
| DE (1) | DE4429261A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619223A (en) * | 2021-07-01 | 2021-11-09 | 魏胜 | Foamed aluminum composite board of making an uproar falls |
-
1994
- 1994-08-18 DE DE19944429261 patent/DE4429261A1/en not_active Withdrawn
-
1995
- 1995-08-17 CA CA 2156376 patent/CA2156376A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619223A (en) * | 2021-07-01 | 2021-11-09 | 魏胜 | Foamed aluminum composite board of making an uproar falls |
| CN113619223B (en) * | 2021-07-01 | 2024-04-26 | 魏胜 | Noise-reducing foamed aluminum composite board |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4429261A1 (en) | 1996-02-22 |
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