WO1999014447A1 - Produit d'isolation phonique et procede de fabrication d'un tel produit - Google Patents
Produit d'isolation phonique et procede de fabrication d'un tel produit Download PDFInfo
- Publication number
- WO1999014447A1 WO1999014447A1 PCT/FR1998/001985 FR9801985W WO9914447A1 WO 1999014447 A1 WO1999014447 A1 WO 1999014447A1 FR 9801985 W FR9801985 W FR 9801985W WO 9914447 A1 WO9914447 A1 WO 9914447A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- sound insulation
- product according
- bitumen
- foam
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000006260 foam Substances 0.000 claims abstract description 35
- 239000010426 asphalt Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 14
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 43
- 239000011521 glass Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- 239000011496 polyurethane foam Substances 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 6
- 239000011111 cardboard Substances 0.000 claims description 5
- 239000000123 paper Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 2
- NUHSROFQTUXZQQ-UHFFFAOYSA-N isopentenyl diphosphate Chemical compound CC(=C)CCO[P@](O)(=O)OP(O)(O)=O NUHSROFQTUXZQQ-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 67
- 230000005540 biological transmission Effects 0.000 description 8
- 238000005192 partition Methods 0.000 description 8
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 101100219325 Phaseolus vulgaris BA13 gene Proteins 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011084 greaseproof paper Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 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
- E04B1/82—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
- E04B1/8409—Sound-absorbing elements sheet-shaped
-
- 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
- E04B2001/8461—Solid slabs or blocks layered
Definitions
- the invention relates to the field of sound insulation and more particularly to a product intended to reinforce sound insulation, with respect to airborne noise, of walls and in particular of vertical partitions of constructions, as well as a method of manufacturing a such product.
- noise is transmitted through walls and screeds by vibration of these.
- the purpose of noise insulation is to reduce the transmission of residual noise through the partitions.
- a new regulation now in force for new constructions aims to fight against noise. Tests are defined in particular to measure the transmission of noise from one room to another. The noise level measured must be below a determined threshold before the construction can be placed on the market.
- Relatively thick sound insulation products are already known, for example made of glass wool and plasterboard.
- the thickness of such products is at least 4 cm. They are therefore very bulky and reduce the living area.
- Soundproofing products of smaller thickness are also known, presented in sheets or rolls, generally multilayer.
- Mention may in particular be made of a product made of rigid plates, consisting of a layer of cork granules, intended to be bonded to the wall to be insulated, an intermediate layer composed of bitumen and mineral fillers and a bonding layer. , intended to be placed on the outside and on which a wall covering is generally laid.
- This product has the drawback of being relatively heavy, the weight per m 2 being approximately 10 kg. It takes a long time to install since it is in the form of sheets of approximately 0.25 m 2 . In addition, the presence of numerous joints involves a significant work of preparation before the installation of the wall covering. Finally, the plates have a still relatively large thickness, of the order of 8 mm.
- the products sold in the form of rolls allow bonding by strips and the exposure time is therefore reduced compared to products in sheets.
- a known roll product consists of a layer of sound-absorbing polyurethane foam, covered with a paper support allowing the installation of a wall covering.
- This product is also relatively light since its weight is less than 2 kg per m 2 and its thickness is around 6 mm.
- Document JP-A-09029873 relates to a sheet sound insulation product consisting of a bituminous base layer, a foam layer and a protective layer. These three layers can be placed in the protective layer / base layer / foam layer order.
- This known product is intended to be placed on a floor, and this so that the foam layer is oriented towards the outside, that is to say towards a source of noise such as a person moving on the floor. .
- the protective layer of the product known from document JP-A-09029873 can be made of a woven or nonwoven material.
- the bituminous layer can comprise between 10 and 35% by weight of an asphalt and between 65 and 90% of filler.
- the foam layer is made of closed cell foam in order to be able to withstand the stress which it undergoes, for example, by the weight of furniture placed on the floor.
- Document JP-A-06087170 relates to the manufacture of a polyurethane foam from a crumbled and agglomerated recycled polyurethane foam.
- the crumbled material and a binder are introduced into a mold.
- Document US-A-5, 665, 447 relates to a soundproofing screen comprising a central bituminous layer successively covered on both sides with an insulating layer of mineral fibers, advantageously glass fibers, such as glass wool, and a protective layer.
- the characteristic of reduction of sound transmission through this known sound insulation screen can be varied by adding different quantities of fine charges to the mixture of the bituminous layer.
- the products used until now to obtain sound insulation are light when they are designed so as to reduce the reverberation time, that is to say when they are intended for acoustic correction. On the contrary, they are heavy when they are designed to reduce the transmission of sound, that is to say when they are intended for acoustic or sound insulation. None of these products is light, thin and designed to effectively reduce the transmission of sound (sound insulation).
- the object of the invention is to provide a soundproofing product for a wall which is light and easy to install, while effectively reducing the transmission of noise through the wall, and which has a small footprint.
- the object of the invention is achieved with a sound insulation product for a vertical building wall and which successively comprises: - a first layer of open cell foam of synthetic material, intended to be placed on the wall to be insulated and whose thickness is between 1.5 mm and 5 mm,
- the first layer is preferably made of polyurethane foam, melamine foam, polyester foam or polyether foam. It can also be produced by mixing these foams, for example from chopped and then agglomerated foam waste, or in a multilayer assembly.
- the density of the foam is preferably between 15 and 35 kg / m 3, if the
- foam is homogeneous, and between 150 and 350 kg / m, if the foam is not homogeneous.
- a heterogeneous polyurethane foam will be chosen, in particular consisting of relatively large waste (1 to 3 mm), agglomerated and bound, whose density is advantageously of
- polyester foam will be chosen, the density of which is advantageously
- the layer of synthetic foam is flexible, which is preferable for the product to fulfill its sound insulation function.
- the second layer has a density between only 900 kg / m 3 and 1300 kg / m3, these values having been obtained by adding, in a limited quantity, fillers.
- bitumen - between approximately 46% and 92% by weight of bitumen
- the bitumen used is preferably road bitumen, the penetration of which at 25 ° C., according to standard NFT 66-004, is between 70 and 220 tenths of a mm, advantageously between 120 and 220 tenths of a mm.
- the bitumen can be deasphalted bitumen, synthetic bitumen or fluxed bitumen.
- the use of oxidized bitumens or natural asphalt is not recommended, as they would cause the bituminous mixture to lose its flexibility. Indeed, the reduction in sound transmission, and therefore the sound insulation, is obtained, for the product according to the invention, by a transformation of the acoustic energy into heat energy exploiting the visco-elastic / visco-plastic nature of the product. according to the invention (visco-elastic / visco-plastic work).
- the fillers are, for example, made of calcium carbonate or aluminum hydroxide, in the form of powder of small particle size.
- the polymer blend advantageously comprises APP (atactic polypropylene), IPP (isotactic polypropylene), with optionally copolymers, or SBS (styrene-butadiene-styrene).
- APP is obtained from IPP manufacturing waste.
- SBS is a product that can replace other polymers.
- IPP is used to impart rigidity to the second layer of the insulating product.
- the proportions of each constituent of the mixture of polymers are preferably as follows:
- copolymers between about 2.5 and 5% by weight of PPI, and between about 0 and 7% by weight of copolymers.
- the presence of copolymers improves the visco-elastic qualities of the second layer of the product, which also improves the resistance to cracks, as will be explained below.
- the percentage by weight of fillers is preferably between 10 and 15%, while the percentage by weight of APP, respectively of IPP is between 13 and 24%, respectively between 2.5 and 5%.
- the percentage of SBS is between 8 and 15%.
- this second layer of the insulation product does not contain added oils.
- the third layer is a primer allowing the installation of a wall covering, such as paint or wallpaper.
- the thickness of this third layer is preferably less than 0.5 mm.
- Non-woven material such as a glass or polyester veil, or also of paper, cardboard or metal sheets.
- This third layer will preferably be produced in a glass veil whose surface mass is 60 g / m 2 .
- This glass veil is advantageously subjected to a coating treatment.
- the coating layer obtained has a surface mass preferably of the order of 40 g / m 2 . It makes it possible to seal the porosities of the glass veil and therefore both to avoid the rise of the bitumen through the glass veil and the penetration into the glass veil of the finishing layer, such as paint.
- This coating treatment can also be used for other priming layers, such as those in polyester fleece, cardboard or paper. In the latter case, greaseproof paper will be used in particular.
- An example of a sound insulation product according to the invention comprises:
- first layer of foam of the RECFOAM U250 / 2.5 type the density of which is 250 kg / m 3 and the thickness of 2.5 mm
- second layer 1.5 mm thick comprising 65% by weight of road bitumen whose penetration at 25 ° C is 150 tenths of mm, 18% by weight of APP, 4.5% by weight of PPI and 12.5% by weight of fillers
- a third layer with a thickness of 0.4 mm produced in a glass veil whose surface mass is 60 g / m 2 and coated with a coating layer whose surface mass is 40 g / m 2 .
- the soundproofing product according to the invention is placed on a wall using an appropriate adhesive, using a notched trowel. This glue must not contain organic solvents.
- the product of the invention was subject to tests of sound reduction index R, the product according to the invention being placed on two different partitions: a prefabricated partition of the type
- PLACOPAN and a plaster tile partition.
- a prefabricated partition consists of two thin plaster walls, between which a cardboard structure is arranged.
- the single Figure 1 shows in a graphic design two curves of sound reduction index R, referenced (a) and (b).
- Curve (a) is that of the acoustic attenuation as a function of the frequency of the transmitted sound, measured for a drywall 72 mm thick, consisting of two facings made of 12.5mm BA13 gypsum board. thick bonded to a core in a cardboard honeycomb network.
- Curve (b) corresponds to the acoustic reduction as a function of the frequency of the sound transmitted through a drywall specified above and provided on one of its faces with an insulation product according to the invention applied by gluing.
- the second layer of bitumen / modified makes it possible to distribute the sound energy over a greater surface of the first layer of synthetic foam, the sound energy absorption function of which is even better used.
- the soundproofing product according to the invention improves the resistance to cracking of wall coverings, for example paper or paints, to which the insulating product serves as a support.
- the wall on which the insulating product is stuck can have instabilities. These are likely to generate ruptures and / or cracks in the insulating product and therefore also in the wall covering.
- each of the three constituent layers of the insulation product according to the invention makes it possible to absorb, at least in part, the stresses due to the instability of the wall.
- the insulating product according to the invention makes it possible to improve the resistance to cracking and to rupture, of the wall coverings fixed to it.
- the sound insulation product according to the invention comprises a layer of synthetic foam with a thickness of approximately 2, 5 mm and a layer of modified bitumen about 1.5 mm thick.
- a layer of glass veil facilitates the holding of wall coverings, thanks to its “hanging” qualities.
- a special coating can be applied to the product according to the invention, during its manufacture or after it has been placed on a wall.
- the presence of a glass veil gives the sound insulation product better fire resistance, compared to other priming layers.
- a plasterboard can be placed on the soundproofing product according to the invention, without its soundproofing qualities being degraded.
- the object of the invention is also achieved by a process for manufacturing the soundproofing product described above in principle and according to its various embodiments.
- the invention relates to a method of manufacturing a sound insulation product for a vertical building wall, the insulation product successively comprising:
- first layer of open cell foam made of synthetic material, intended to be placed on the wall to be insulated and whose thickness is between 1.5 mm and 5 mm
- the insulating product according to the invention is produced as follows.
- the first layer of synthetic foam is preferably purchased directly from a supplier in a roll presentation.
- the third layer of primer is also purchased directly from a supplier in a roll presentation.
- the second layer or intermediate layer of modified bitumen is produced by first preparing an appropriate mixture, then by pouring this mixture in the liquid state onto the layer of synthetic foam or onto the layer of primer.
- the casting temperature is between 150 ° C and 190 ° C and is advantageously located at around 170 ° C.
- the other layer is applied to its free side, that is to say the layer of synthetic foam or the primer layer.
- the second layer has a tackiness, as long as it is not completely cooled.
- This first variant therefore makes it possible to bond the first and third layers to the intermediate layer, without an adhesive or an additional operation being necessary. It is therefore a simple and economical variant.
- the second layer is allowed to cool until it solidifies. We can then glue the other layer (synthetic foam layer or primer layer) on the other side of the second layer, using an appropriate glue.
- the second layer can also be superficially reheated on its free side so that the bitumen becomes liquid on the surface.
- the other layer of the insulation product according to the invention (the layer of synthetic foam or the primer layer), to obtain the sound insulation product.
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000511971A JP2001516829A (ja) | 1997-09-18 | 1998-09-16 | 遮音体およびその製造方法 |
EP98944004A EP1015709A1 (fr) | 1997-09-18 | 1998-09-16 | Produit d'isolation phonique et procede de fabrication d'un tel produit |
AU91693/98A AU9169398A (en) | 1997-09-18 | 1998-09-16 | Soundproofing product and method for making same |
PL98339341A PL339341A1 (en) | 1997-09-18 | 1998-09-16 | Sound damping product and method of manufacturing same |
HU0004620A HUP0004620A3 (en) | 1997-09-18 | 1998-09-16 | Soundproofing product and method for making same |
SK373-2000A SK3732000A3 (en) | 1997-09-18 | 1998-09-16 | Soundproofing product and method for making same |
DE1015709T DE1015709T1 (de) | 1997-09-18 | 1998-09-16 | Schalldämpfende vorrichtung und verfahren zu ihrer herstellung |
IL13500598A IL135005A0 (en) | 1997-09-18 | 1998-09-16 | Soundproofing product and method for making same |
NO20001346A NO20001346L (no) | 1997-09-18 | 2000-03-15 | Lydisolerende produkt og fremgangsmÕte for fremstilling av dette |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR97/11656 | 1997-09-18 | ||
FR9711656A FR2768448B1 (fr) | 1997-09-18 | 1997-09-18 | Produit d'isolation phonique |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999014447A1 true WO1999014447A1 (fr) | 1999-03-25 |
Family
ID=9511243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/001985 WO1999014447A1 (fr) | 1997-09-18 | 1998-09-16 | Produit d'isolation phonique et procede de fabrication d'un tel produit |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP1015709A1 (fr) |
JP (1) | JP2001516829A (fr) |
AU (1) | AU9169398A (fr) |
DE (1) | DE1015709T1 (fr) |
ES (1) | ES2152195T1 (fr) |
FR (1) | FR2768448B1 (fr) |
HU (1) | HUP0004620A3 (fr) |
IL (1) | IL135005A0 (fr) |
NO (1) | NO20001346L (fr) |
PL (1) | PL339341A1 (fr) |
SK (1) | SK3732000A3 (fr) |
TR (1) | TR200000643T2 (fr) |
TW (1) | TW401475B (fr) |
WO (1) | WO1999014447A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012104566A1 (fr) * | 2011-02-04 | 2012-08-09 | Knauf Industries Gestion | Plaque acoustiquement isolante |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2410023B1 (fr) | 2010-07-20 | 2012-10-17 | Omya Development AG | Procédé de préparation d'une matière de carbonate de calcium traitée en surface et son utilisation dans le contrôle de matière organique dans un milieu aqueux |
FR2979281B1 (fr) * | 2011-08-25 | 2013-08-23 | Saint Gobain Adfors | Revetement mural pour confort thermique et acoustique |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2501749A1 (fr) * | 1981-03-13 | 1982-09-17 | Gadde V | Voile ou mat d'insonorisation |
EP0253376A2 (fr) * | 1986-07-18 | 1988-01-20 | Stankiewicz GmbH | Système d'isolation adhésif |
EP0341379A2 (fr) * | 1988-05-10 | 1989-11-15 | Rütgerswerke Aktiengesellschaft | Bande étanche et procédé pour sa fabrication |
JPH0687170A (ja) | 1992-09-07 | 1994-03-29 | Hodogaya Chem Co Ltd | ポリウレタンフォーム再生成形品の製造方法 |
JPH0929873A (ja) | 1995-07-21 | 1997-02-04 | Sekisui Chem Co Ltd | 制振・遮音シート |
JPH09216293A (ja) * | 1996-02-13 | 1997-08-19 | Tomoji Kobayashi | 再生クッション材の製造方法 |
US5665447A (en) | 1995-10-18 | 1997-09-09 | Owens-Corning Fiberglas Technology, Inc. | Sound screen insulation with asphalt septum |
-
1997
- 1997-09-18 FR FR9711656A patent/FR2768448B1/fr not_active Expired - Lifetime
-
1998
- 1998-09-16 TR TR2000/00643T patent/TR200000643T2/xx unknown
- 1998-09-16 TW TW087115423A patent/TW401475B/zh not_active IP Right Cessation
- 1998-09-16 WO PCT/FR1998/001985 patent/WO1999014447A1/fr not_active Application Discontinuation
- 1998-09-16 EP EP98944004A patent/EP1015709A1/fr not_active Withdrawn
- 1998-09-16 AU AU91693/98A patent/AU9169398A/en not_active Abandoned
- 1998-09-16 JP JP2000511971A patent/JP2001516829A/ja active Pending
- 1998-09-16 PL PL98339341A patent/PL339341A1/xx not_active Application Discontinuation
- 1998-09-16 DE DE1015709T patent/DE1015709T1/de active Pending
- 1998-09-16 ES ES98944004T patent/ES2152195T1/es active Pending
- 1998-09-16 IL IL13500598A patent/IL135005A0/xx unknown
- 1998-09-16 SK SK373-2000A patent/SK3732000A3/sk unknown
- 1998-09-16 HU HU0004620A patent/HUP0004620A3/hu unknown
-
2000
- 2000-03-15 NO NO20001346A patent/NO20001346L/no not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2501749A1 (fr) * | 1981-03-13 | 1982-09-17 | Gadde V | Voile ou mat d'insonorisation |
EP0253376A2 (fr) * | 1986-07-18 | 1988-01-20 | Stankiewicz GmbH | Système d'isolation adhésif |
EP0341379A2 (fr) * | 1988-05-10 | 1989-11-15 | Rütgerswerke Aktiengesellschaft | Bande étanche et procédé pour sa fabrication |
JPH0687170A (ja) | 1992-09-07 | 1994-03-29 | Hodogaya Chem Co Ltd | ポリウレタンフォーム再生成形品の製造方法 |
JPH0929873A (ja) | 1995-07-21 | 1997-02-04 | Sekisui Chem Co Ltd | 制振・遮音シート |
US5665447A (en) | 1995-10-18 | 1997-09-09 | Owens-Corning Fiberglas Technology, Inc. | Sound screen insulation with asphalt septum |
JPH09216293A (ja) * | 1996-02-13 | 1997-08-19 | Tomoji Kobayashi | 再生クッション材の製造方法 |
Non-Patent Citations (3)
Title |
---|
DATABASE WPI Section Ch Week 9417, Derwent World Patents Index; Class A18, AN 94-140753, XP002067030 * |
PATENT ABSTRACTS OF JAPAN vol. 97, no. 12 25 December 1997 (1997-12-25) * |
PATENT ABSTRACTS OF JAPAN vol. 97, no. 6 30 June 1997 (1997-06-30) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012104566A1 (fr) * | 2011-02-04 | 2012-08-09 | Knauf Industries Gestion | Plaque acoustiquement isolante |
FR2971275A1 (fr) * | 2011-02-04 | 2012-08-10 | Knauf Ind Gestion | Plaque acoustiquement isolante |
Also Published As
Publication number | Publication date |
---|---|
FR2768448A1 (fr) | 1999-03-19 |
TR200000643T2 (tr) | 2000-07-21 |
DE1015709T1 (de) | 2001-05-03 |
HUP0004620A3 (en) | 2002-01-28 |
SK3732000A3 (en) | 2000-12-11 |
HUP0004620A1 (hu) | 2001-05-28 |
AU9169398A (en) | 1999-04-05 |
IL135005A0 (en) | 2001-05-20 |
ES2152195T1 (es) | 2001-02-01 |
JP2001516829A (ja) | 2001-10-02 |
EP1015709A1 (fr) | 2000-07-05 |
FR2768448B1 (fr) | 2000-01-21 |
TW401475B (en) | 2000-08-11 |
NO20001346D0 (no) | 2000-03-15 |
NO20001346L (no) | 2000-05-15 |
PL339341A1 (en) | 2000-12-18 |
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