US20060150552A1 - Novel partition comprising plasterboards with improved acoustic properties - Google Patents
Novel partition comprising plasterboards with improved acoustic properties Download PDFInfo
- Publication number
- US20060150552A1 US20060150552A1 US10/540,483 US54048305A US2006150552A1 US 20060150552 A1 US20060150552 A1 US 20060150552A1 US 54048305 A US54048305 A US 54048305A US 2006150552 A1 US2006150552 A1 US 2006150552A1
- Authority
- US
- United States
- Prior art keywords
- grid
- boards
- studs
- partition
- partition according
- 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
- 238000005192 partition Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000011505 plaster Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- 239000004794 expanded polystyrene Substances 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 231100000323 severe irritant Toxicity 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
- E04B2/7409—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts special measures for sound or thermal insulation, including fire protection
-
- 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
- E04B1/82—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 sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing 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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/72—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall
- E04B2/723—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall constituted of gypsum elements
-
- 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
- E04B1/82—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 sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
Definitions
- the invention relates to a novel partition comprising plaster boards, with improved acoustic properties.
- Partitions comprising plaster boards, as well as these boards, have been known for many years.
- the partitions are described in particular in “Document Technique Unw DTU 25.41”; these partitions are defined as a partition wall or wall lining, which is free-standing, non-load-bearing, covering the distance from floor to ceiling.
- These inside walls have metal frames, generally with an approximately U-shaped profile, constituted for example by a steel sheet with a nominal thickness greater than or equal to 0.60 mm. Frames made of appropriate wood are also described.
- the partitions comprise upper and lower wall rails between which studs are arranged. The studs can be doubled, fitted together or back-to-back.
- the DTU in question mentions the partitions obtained with 48 mm studs and a single facing of boards with a thickness of 12.5 mm and the partitions obtained with 48 mm studs and a double facing of boards with a thickness of 12.5 mm.
- the invention allows the problems described above to be resolved.
- the invention therefore provides a partition comprising a plurality of studs and a plurality of boards on each side, in which the unit spaces delimited by the studs and the boards are divided into 3 to 1000 volumes per m 2 , and preferably at least 6 volumes per m 2 .
- the unit spaces are delimited by strips glued to one side of the board assembly, preferably having a thickness less than the distance between the boards, the unit spaces forming 3 to 20 volumes per m 2 , and preferably 6 to 20 volumes per m 2 .
- the unit spaces are divided into 200 to 1000, and preferably 200 to 600, volumes per m 2 .
- the unit spaces are divided by a grid, this grid being glued at most on one side of the board assembly, having a thickness less than the distance between the boards.
- the grid has a thickness of 70 to 98% of the distance between the boards.
- the grid is a grid in the form of a honeycomb.
- the grid is made of cardboard.
- the unit spaces are divided by a grid, this grid not being glued to the board assembly.
- the boards are plaster boards.
- the partition comprises upper and lower rails holding the studs and between which the grid is held.
- the upper and lower rails comprise pre-cut tabs which can be folded back inwards and which are inserted into the grid.
- the invention also provides a method for the production of a partition according to the invention, which comprises the provision of a plurality of studs and a plurality of boards, and the division of the unit spaces delimited by the studs and the boards.
- the method is intended for the production of a partition, in which the unit spaces are divided into 200 to 1000, and preferably 200 to 600, volumes per m 2 , by a grid which is not glued to the board assembly according to the invention, the partition comprising upper and lower rails holding the studs and between which the grid is held, in which method the grid is attached to one of the rails, the grid is extended to the other rail and it is fixed to the latter, in particular by folding back pre-cut tabs which are located in the rails in order to insert these into the grid.
- FIG. 1 a is a first variant of a first embodiment
- FIG. 1 b is a second variant of a first embodiment
- FIG. 2 is a second embodiment
- FIG. 3 is an enlargement of a rail used in the second embodiment.
- the partition 1 comprises a plurality of studs ( 2 a , 2 b ), made of metal in this case, which support plaster boards 3 .
- Two upper and lower rails ( 4 a , 4 b ) lock the studs, in a standard fashion.
- expanded polystyrene strips ( 5 a , 5 b , 5 c , 5 d ) are arranged, wedged between the studs. These strips thus divide the unit spaces delimited by the studs and the boards.
- the air space in this case 48 mm
- the air space can be divided in several ways, for example with strips forming Zs or any other arrangement.
- the thickness of the strips is typically less than the thickness of the air space, for example 40 mm to 46 mm.
- the polystyrene strips are preferably held by wedging between the studs. However it would be possible to glue them onto one side of the boards, or even both if the thickness allows (the latter installation method not being preferred however).
- the strips are polystyrene strips. Other types of strip, for example metal strips or strips of material with open or sealed porosity produce the same effect.
- the studs are standard 48 mm metal studs at a separation of 60 cm.
- the strips used are 1000 ⁇ 50 ⁇ 40 strips; there are approximately 3.5 volumes to the m 2 .
- the strips used are 560 ⁇ 100 ⁇ 46 strips; there are approximately 6 volumes to the m 2 .
- the respective gains of these partitions compared to the partitions according to the prior art are of 2 and 4 dB.
- the partition 1 comprises the same studs ( 2 a , 2 b ), plaster boards 3 and upper and lower rails ( 4 a , 4 b ) locking the studs.
- a grid 6 is arranged, in this case in the form of a honeycomb.
- any type of grid with any unit cell in particular an approximately oblique, approximately square, approximately rectangular or approximately hexagonal grid, would be acceptable.
- a cardboard grid is used, of the type already used for internal cladding which comprise a sandwich of two boards and a cardboard honeycomb between the two. The grid extends between the upper and lower rails, between the studs.
- a grid so that once unfolded it more or less fills the space between the studs. Such a grid compensates very well for variations in height of several dozen cms without losing its effectiveness.
- This grid therefore divides the unit spaces delimited by the studs and the boards.
- a grid having 55 mm intervals for example can be used.
- a cardboard grid can be easily cut, either by hand or by machine.
- the thickness of the grid is typically less than the thickness of the air space, for example 40 mm to 46 mm.
- This grid is preferably independent of the two boards (i.e. it is not glued onto either of the boards). It is advantageously “stretched” between the upper and lower rails, but it could also be stretched or compressed between the studs, or glued onto one of the boards.
- the studs are standard 48 mm metal studs at a separation of 60 cm.
- the grid used has 55 mm intervals and a thickness of 40 mm.
- the gain compared to the partitions according to the prior art is 5 dB.
- the number of cells to the m 2 varies according to the inverse square of the grid intervals.
- the provision of any grid of cells with set intervals can be easily envisaged, for example, in the range of 40 to 100 mm, which approximately corresponds to a range of 200 to 1000 volumes to the m 2 .
- the upper or lower rail ( 4 a , 4 b ) has pre-cut tabs ( 7 a , 7 b ) which can be folded back inwards and which are thus inserted into the grid (reference 7 a shows the tab folded back while reference 7 b in dotted lines shows the tab before it is folded back).
- these rails equipped with these tabs it is easy to produce partitions according to the invention. First of all the folded grid is inserted into the rail, for example the upper rail, then the tabs are folded back inwards. The result of this is to hold the grid in this rail. Then, the grid is “stretched” and “unfolded” towards the other rail, and then, as previously, the tabs corresponding to this rail are folded back.
- Such an embodiment is very simple, robust and efficient.
- the material used for the boards can be cement or plywood, as is known from the prior art.
- tests have shown that it is possible to use strips made of a metal material or of a material with open or sealed porosity, rather than polystyrene, in order to divide the unit spaces delimited by the studs and the boards.
Abstract
A partition includes a plurality of posts and a plurality of plaster boards on each side. Unitary spaces defined by the posts and the boards are divided into between 3 and 1000 volumes per m2 and, preferably, at least 6 volumes per m2, and a method of producing the inventive partition.
Description
- The invention relates to a novel partition comprising plaster boards, with improved acoustic properties.
- Partitions comprising plaster boards, as well as these boards, have been known for many years. The partitions are described in particular in “Document Technique Unifié DTU 25.41”; these partitions are defined as a partition wall or wall lining, which is free-standing, non-load-bearing, covering the distance from floor to ceiling. These inside walls have metal frames, generally with an approximately U-shaped profile, constituted for example by a steel sheet with a nominal thickness greater than or equal to 0.60 mm. Frames made of appropriate wood are also described. The partitions comprise upper and lower wall rails between which studs are arranged. The studs can be doubled, fitted together or back-to-back. By way of example of a partition, the DTU in question mentions the partitions obtained with 48 mm studs and a single facing of boards with a thickness of 12.5 mm and the partitions obtained with 48 mm studs and a double facing of boards with a thickness of 12.5 mm.
- These last two types of partition are those which are currently the most common on the French market. However, these partitions pose certain problems in terms of noise transmission.
- The use of glass wool or rock wool in these partitions to improve the sound proofing of these systems is known, the gain obtained being approximately 6 dB. However, these wools pose problems during their handling, as they are severe irritants. Moreover, these wools pose storage problems due to their large volume.
- The use of other products having an open porosity, such as polyurethane foam is also known. However, such foams are difficult to use in the case of partitions with studs and boards and are expensive compared to a solution with glass wool.
- Finally, the solutions such as sandwiches (for example with expanded polystyrene, optionally rendered resilient), if they are appropriate for lining, cannot be transposed to the situation of the partition with studs and boards.
- This is why a need exists for a partition having acoustic properties, but which does not use these wools.
- The invention allows the problems described above to be resolved.
- The invention therefore provides a partition comprising a plurality of studs and a plurality of boards on each side, in which the unit spaces delimited by the studs and the boards are divided into 3 to 1000 volumes per m2, and preferably at least 6 volumes per m2.
- According to one embodiment, the unit spaces are delimited by strips glued to one side of the board assembly, preferably having a thickness less than the distance between the boards, the unit spaces forming 3 to 20 volumes per m2, and preferably 6 to 20 volumes per m2.
- According to another embodiment, the unit spaces are divided into 200 to 1000, and preferably 200 to 600, volumes per m2.
- According to yet another embodiment, the unit spaces are divided by a grid, this grid being glued at most on one side of the board assembly, having a thickness less than the distance between the boards.
- According to another embodiment, the grid has a thickness of 70 to 98% of the distance between the boards.
- According to another embodiment, the grid is a grid in the form of a honeycomb.
- According to another embodiment, the grid is made of cardboard.
- According to another embodiment, the unit spaces are divided by a grid, this grid not being glued to the board assembly.
- According to another embodiment, the boards are plaster boards.
- According to another embodiment, the partition comprises upper and lower rails holding the studs and between which the grid is held.
- According to another embodiment, the upper and lower rails comprise pre-cut tabs which can be folded back inwards and which are inserted into the grid.
- The invention also provides a method for the production of a partition according to the invention, which comprises the provision of a plurality of studs and a plurality of boards, and the division of the unit spaces delimited by the studs and the boards.
- According to one embodiment, the method is intended for the production of a partition, in which the unit spaces are divided into 200 to 1000, and preferably 200 to 600, volumes per m2, by a grid which is not glued to the board assembly according to the invention, the partition comprising upper and lower rails holding the studs and between which the grid is held, in which method the grid is attached to one of the rails, the grid is extended to the other rail and it is fixed to the latter, in particular by folding back pre-cut tabs which are located in the rails in order to insert these into the grid.
- The invention will now be described in more detail in the following description and with reference to the drawings, in which:
-
FIG. 1 a is a first variant of a first embodiment; -
FIG. 1 b is a second variant of a first embodiment; -
FIG. 2 is a second embodiment; -
FIG. 3 is an enlargement of a rail used in the second embodiment. - With reference to
FIG. 1 , thepartition 1 comprises a plurality of studs (2 a, 2 b), made of metal in this case, which supportplaster boards 3. Two upper and lower rails (4 a, 4 b) lock the studs, in a standard fashion. Between the studs expanded polystyrene strips (5 a, 5 b, 5 c, 5 d) are arranged, wedged between the studs. These strips thus divide the unit spaces delimited by the studs and the boards. The air space (in this case 48 mm) (the distance between the boards) can be divided in several ways, for example with strips forming Zs or any other arrangement. The thickness of the strips is typically less than the thickness of the air space, for example 40 mm to 46 mm. The polystyrene strips are preferably held by wedging between the studs. However it would be possible to glue them onto one side of the boards, or even both if the thickness allows (the latter installation method not being preferred however). The strips are polystyrene strips. Other types of strip, for example metal strips or strips of material with open or sealed porosity produce the same effect. InFIGS. 1 a and 1 b, the studs are standard 48 mm metal studs at a separation of 60 cm. InFIG. 1 a, the strips used are 1000×50×40 strips; there are approximately 3.5 volumes to the m2. InFIG. 1 b, the strips used are 560×100×46 strips; there are approximately 6 volumes to the m2. The respective gains of these partitions compared to the partitions according to the prior art are of 2 and 4 dB. - With reference to
FIG. 2 , thepartition 1 comprises the same studs (2 a, 2 b),plaster boards 3 and upper and lower rails (4 a, 4 b) locking the studs. Between the studs agrid 6 is arranged, in this case in the form of a honeycomb. However, any type of grid with any unit cell, in particular an approximately oblique, approximately square, approximately rectangular or approximately hexagonal grid, would be acceptable. Advantageously a cardboard grid is used, of the type already used for internal cladding which comprise a sandwich of two boards and a cardboard honeycomb between the two. The grid extends between the upper and lower rails, between the studs. It is possible to choose a grid so that once unfolded it more or less fills the space between the studs. Such a grid compensates very well for variations in height of several dozen cms without losing its effectiveness. This grid therefore divides the unit spaces delimited by the studs and the boards. A grid having 55 mm intervals for example can be used. A cardboard grid can be easily cut, either by hand or by machine. The thickness of the grid is typically less than the thickness of the air space, for example 40 mm to 46 mm. This grid is preferably independent of the two boards (i.e. it is not glued onto either of the boards). It is advantageously “stretched” between the upper and lower rails, but it could also be stretched or compressed between the studs, or glued onto one of the boards. InFIG. 2 , the studs are standard 48 mm metal studs at a separation of 60 cm. The grid used has 55 mm intervals and a thickness of 40 mm. There are approximately 500 volumes to the m2 (number of cells of the grid to the m2). The gain compared to the partitions according to the prior art is 5 dB. - The number of cells to the m2 varies according to the inverse square of the grid intervals. The provision of any grid of cells with set intervals can be easily envisaged, for example, in the range of 40 to 100 mm, which approximately corresponds to a range of 200 to 1000 volumes to the m2.
- With reference to
FIG. 3 , the upper or lower rail (4 a, 4 b) has pre-cut tabs (7 a, 7 b) which can be folded back inwards and which are thus inserted into the grid (reference 7 a shows the tab folded back whilereference 7 b in dotted lines shows the tab before it is folded back). With these rails equipped with these tabs, it is easy to produce partitions according to the invention. First of all the folded grid is inserted into the rail, for example the upper rail, then the tabs are folded back inwards. The result of this is to hold the grid in this rail. Then, the grid is “stretched” and “unfolded” towards the other rail, and then, as previously, the tabs corresponding to this rail are folded back. Such an embodiment is very simple, robust and efficient. - However, other means for attaching the grid, such as screws, lugs or hooks could be suitable for the above embodiment.
- At the end of a section of the grid simple stapling allows one grid to be joined to the other, therefore offcuts can be used.
- Thanks to the invention, it is now possible to use filling materials which do not have an open porosity, are easy to handle, are non-irritating, have a small storage volume and are easy to handle.
- The invention is not limited to the embodiments described but can have numerous variations which are easily accessible to a person skilled in the art. For example, the material used for the boards can be cement or plywood, as is known from the prior art. Similarly, tests have shown that it is possible to use strips made of a metal material or of a material with open or sealed porosity, rather than polystyrene, in order to divide the unit spaces delimited by the studs and the boards.
Claims (19)
1-13. (canceled)
14. A partition comprising a plurality of studs and a plurality of boards on each side forming unit spaces between the studs and the plurality of boards, and a grid in which the unit spaces delimited by the studs and the boards are divided into 200 to 1000 volumes per m2 by the grid which has a thickness less than a distance between the boards.
15. The partition according to claim 14 , wherein the unit spaces are divided into 200 to 600 volumes per m2.
16. The partition according to claim 14 , in which the unit spaces are divided by the grid, this grid being glued at most to the boards on one side of the studs.
17. The partition according to claim 16 , in which the grid has a thickness of 70 to 98% of the distance between the boards.
18. The partition according to claim 16 , in which the grid is a grid in the form of a honeycomb.
19. The partition according to claim 16 , in which the grid is made of cardboard.
20. The partition according to claim 14 , in which the unit spaces are divided by a grid, and the grid is not glued to the boards.
21. The partition according to claim 14 , in which the boards are plaster boards.
22. A partition comprising a plurality of studs and a plurality of boards on each side forming unit spaces between the studs and the plurality of boards, and a grid in which the unit spaces delimited by the studs and the boards are divided into 200 to 1000 volumes per m2 by the grid which has a thickness less than a distance between the boards, the grid not being glued to the boards, said partition further comprising upper and lower rails holding the studs and between which the grid is held.
23. The partition according to claim 22 , wherein the unit spaces are divided into 200 to 600 volumes per m2.
24. The partition according to claim 22 , in which the upper and lower rails have pre-cut tabs which can be folded back inwards and which are inserted into the grid.
25. The partition according to claim 22 , in which the grid has a thickness of 70 to 98% of the distance between the boards.
26. The partition according to claim 22 , in which the grid is a grid in the form of a honeycomb.
27. The partition according to claim 22 , in which the grid is made of cardboard
28. The partition according to claim 22 , in which the boards are plaster boards.
29. A method for the production of a partition according to claim 14 , the method comprises providing a plurality of studs and a plurality of boards, and dividing unit spaces delimited by the studs and the boards into 200 to 1000 volumes per m2 by a grid with a thickness less than the thickness of an air space between the boards.
30. The method of claim 29 , wherein the unit spaces are divided into 200-600 volumes per m2.
31. The method according to claim 29 , further comprising attaching the grid to rail at a top of the studs, and extending the grid to another rail, and it is fixed to the latter rail.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0216615A FR2849079B1 (en) | 2002-12-24 | 2002-12-24 | NOVEL WINDOW COMPRISING PLASTER PLATES WITH IMPROVED ACOUSTIC PROPERTIES |
FR02/16615 | 2002-12-24 | ||
PCT/FR2003/003838 WO2004059097A1 (en) | 2002-12-24 | 2003-12-19 | Novel partition comprising plasterboards with improved acoustic properties |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060150552A1 true US20060150552A1 (en) | 2006-07-13 |
Family
ID=32406482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/540,483 Abandoned US20060150552A1 (en) | 2002-12-24 | 2003-12-19 | Novel partition comprising plasterboards with improved acoustic properties |
Country Status (11)
Country | Link |
---|---|
US (1) | US20060150552A1 (en) |
EP (1) | EP1579088B1 (en) |
KR (1) | KR20050085888A (en) |
AT (1) | ATE386855T1 (en) |
AU (1) | AU2003299379A1 (en) |
DE (1) | DE60319274T2 (en) |
FR (1) | FR2849079B1 (en) |
MX (1) | MXPA05006337A (en) |
PL (1) | PL377300A1 (en) |
WO (1) | WO2004059097A1 (en) |
ZA (1) | ZA200504889B (en) |
Citations (12)
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US3496052A (en) * | 1965-02-12 | 1970-02-17 | Us Plywood Corp | Grid core panel |
US3611653A (en) * | 1970-04-13 | 1971-10-12 | Daniel L Zinn | Sound attenuation wall partition |
US3913702A (en) * | 1973-06-04 | 1975-10-21 | Lockheed Aircraft Corp | Cellular sound absorptive structure |
US4052828A (en) * | 1974-12-16 | 1977-10-11 | Robert Mancini | Structural member |
US4084366A (en) * | 1975-11-14 | 1978-04-18 | Haworth Mfg., Inc. | Sound absorbing panel |
US4247583A (en) * | 1978-10-30 | 1981-01-27 | Roy Paul D | Insulating structure with polygonal cells |
US5172530A (en) * | 1990-11-06 | 1992-12-22 | Allsteel Inc. | Sound attenuation panel arrangement with cabling accommodating capability for office furniture space divider systems |
US5424497A (en) * | 1994-01-25 | 1995-06-13 | California Prison Industry Authority | Sound absorbing wall panel |
US5689924A (en) * | 1996-10-07 | 1997-11-25 | Hon Industries, Inc. | Construction of modular office panel systems |
US5720138A (en) * | 1992-11-12 | 1998-02-24 | Johnson; David L. | Metallic wall framing, method and apparatus for producing same |
US5749187A (en) * | 1994-09-02 | 1998-05-12 | Yoshino Gypsum Co., Ltd. | Partition wall |
US6345486B1 (en) * | 1998-01-23 | 2002-02-12 | Hunter Douglas Inc. | Enclosed retractable panel made from cell-inside-a-cell honeycomb material |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1346634A (en) * | 1963-01-31 | 1963-12-20 | Knauf Geb | Demountable partition for buildings |
JP2883969B2 (en) * | 1994-07-21 | 1999-04-19 | オリエンタルメタル株式会社 | Exterior wall panels |
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2002
- 2002-12-24 FR FR0216615A patent/FR2849079B1/en not_active Expired - Fee Related
-
2003
- 2003-12-19 DE DE60319274T patent/DE60319274T2/en not_active Expired - Lifetime
- 2003-12-19 AT AT03799665T patent/ATE386855T1/en not_active IP Right Cessation
- 2003-12-19 US US10/540,483 patent/US20060150552A1/en not_active Abandoned
- 2003-12-19 WO PCT/FR2003/003838 patent/WO2004059097A1/en active IP Right Grant
- 2003-12-19 EP EP03799665A patent/EP1579088B1/en not_active Expired - Lifetime
- 2003-12-19 AU AU2003299379A patent/AU2003299379A1/en not_active Abandoned
- 2003-12-19 PL PL377300A patent/PL377300A1/en not_active Application Discontinuation
- 2003-12-19 KR KR1020057011903A patent/KR20050085888A/en not_active Application Discontinuation
- 2003-12-19 MX MXPA05006337A patent/MXPA05006337A/en unknown
-
2005
- 2005-06-15 ZA ZA200504889A patent/ZA200504889B/en unknown
Patent Citations (12)
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US3496052A (en) * | 1965-02-12 | 1970-02-17 | Us Plywood Corp | Grid core panel |
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Also Published As
Publication number | Publication date |
---|---|
DE60319274T2 (en) | 2009-02-12 |
ZA200504889B (en) | 2006-04-26 |
EP1579088A1 (en) | 2005-09-28 |
MXPA05006337A (en) | 2006-02-08 |
WO2004059097A1 (en) | 2004-07-15 |
FR2849079A1 (en) | 2004-06-25 |
PL377300A1 (en) | 2006-01-23 |
AU2003299379A1 (en) | 2004-07-22 |
EP1579088B1 (en) | 2008-02-20 |
FR2849079B1 (en) | 2005-12-30 |
KR20050085888A (en) | 2005-08-29 |
ATE386855T1 (en) | 2008-03-15 |
DE60319274D1 (en) | 2008-04-03 |
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Owner name: LAFARGE PLATRES, FRANCE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BLIN, DAVID;RIBAS, DOMINIQUE;TIZIANEL, JULIAN;REEL/FRAME:017114/0284 Effective date: 20050627 |
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