WO2004067870A1 - Panneau acoustique multi-composite - Google Patents
Panneau acoustique multi-composite Download PDFInfo
- Publication number
- WO2004067870A1 WO2004067870A1 PCT/CA2004/000112 CA2004000112W WO2004067870A1 WO 2004067870 A1 WO2004067870 A1 WO 2004067870A1 CA 2004000112 W CA2004000112 W CA 2004000112W WO 2004067870 A1 WO2004067870 A1 WO 2004067870A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- panel
- panel according
- particles
- acoustic
- rubber
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 26
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- 239000003209 petroleum derivative Substances 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000002923 metal particle Substances 0.000 claims description 3
- 239000012209 synthetic fiber Substances 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 229910000906 Bronze Inorganic materials 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229920003043 Cellulose fiber Polymers 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010974 bronze Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000007799 cork Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000002557 mineral fiber Substances 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000005871 repellent Substances 0.000 claims description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims 1
- 241000256602 Isoptera Species 0.000 claims 1
- 238000010411 cooking Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000001033 granulometry Methods 0.000 abstract 2
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 229920003225 polyurethane elastomer Polymers 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/181—Insulating layers integrally formed with the flooring or the flooring 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
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0867—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having acoustic absorption means on the visible surface
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
-
- 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
- E04B2001/742—Use of special materials; Materials having special structures or shape
- E04B2001/746—Recycled materials, e.g. made of used tires, bumpers or newspapers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
- E04F2290/043—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise with a bottom layer for sound insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
- Y10T428/249925—Fiber-containing wood product [e.g., hardboard, lumber, or wood board, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
Definitions
- the invention relates to a multi-composite acoustic panel usable as a support for floors or walls, which panel is composed of:
- a binder based on polyurethane or elastomer More specifically, the invention relates to a multi-composite acoustic panel comprising:
- a binder based on polyurethane or elastomer such as the polyurethane binder GN 405 type GT or the binder SL 336 type GT of Polyval ® , based on isocyanate and polyvinyl alcohol or acetate .
- composition can also be incorporated into the composition between 3 and 8% of natural or synthetic fibers (polyethylene, polypropylene; polymer, polyurethane, glass fibers, mineral fibers, cellulose fibers, cork). It is also possible to incorporate from 3 to 20% of metal particles such as bronze, copper or aluminum, thus endowing it with a radiant capacity. You can also add anti-fungus, water-repellent, anti-termite or fire-retardant products, such as graphite. In addition, an elastomeric membrane (neoprene, rubber and its derivatives) can be applied to the panel.
- natural or synthetic fibers polyethylene, polypropylene; polymer, polyurethane, glass fibers, mineral fibers, cellulose fibers, cork. It is also possible to incorporate from 3 to 20% of metal particles such as bronze, copper or aluminum, thus endowing it with a radiant capacity. You can also add anti-fungus, water-repellent, anti-termite or fire-retardant products, such as graphit
- the particle size of the strand particles of sc e (a), of the crumb (b) and of the other elements possibly present can vary according to the need.
- the percentages of basic products used for the manufacture of the panel can be the following:
- the panel can be of variable dimensions 2 'x 2' (60 cm x 60 cm); 4 'x 4' (120 cm x 120 cm); 4 'x 6' (120 cm x 180 cm), etc. and can adapt to any construction. Its thickness varies from VA "to 1" (approximately 0.5 cm to 2.5 cm).
- the multi-composite acoustic panel according to the invention is advantageously manufactured in a press by thermo-firing method at a low temperature between 100 and 350 ° F (about 35 ° C and 180 ° C) under a low pressure between 200 and 2000 PSI (approximately 1400 kN / m 2 and 14000 kN / m 2 ), depending on the desired densification.
- the panel can be made in a single layer made of a homogeneous mixture of sawdust particles, tire crumb, rubber or other petroleum derivatives and binder (see Figure 1 of the accompanying drawings). Alternatively, it can be manufactured in several layers including a layer made strictly from saw strands inter connected to at least one other to form a panel. The latter is then manufactured by strata (see FIG. 2 of the drawings). can be nailed, screwed, glued to the ground that can receive various finishes of floor, wood, ceramic, tarpaulin or stone. It can also be laminated to other existing panels such as plywood panels, MDF or HDF composite panels, gypsum or cellulosic panels.
- the invention essentially lies in the fact of incorporating different percentages of tire crumb, other petroleum derivatives or recycled rubber into sawdust particles and of jointly bonding the rubber particles and the saw with a binder chosen for the purpose of acoustic optimization concerning impact noise and airborne noise.
- the rubber acts as an anti-vibration element and the saw blade acts as an element absorbing acoustic energy because this type of fiber is hollowed out in the center giving it an absorption role, which the rubber particle does not is not. It therefore has the capacity to reduce an impact.
- FIG. 2 is a partial sectional view of a panel made of two layers.
- FIG. 3 is a graph giving the results of acoustic tests carried out on the multi-composite acoustic panel according to the invention illustrated in FIG. 1.
- the single-layer multi-composite acoustic panel illustrated in FIG. 1 was prepared from a composition containing:
- the panel was prepared at a temperature on the order of 100 ° F (35 ° C) under pressure on the order of 500 PSI. Its thickness was 3/8 inch (about 0.95 cm).
- the panel illustrated in Figure 2 was made from two laminar layers.
- the main layer was composed of:
- this composition is similar to that of the layer illustrated in FIG. 1).
- the thickness of this layer was also the same, 3/8 inch (about 0.95 cm).
- the second layer laminated on the first was made from:
- This second layer was 1/8 of an inch (about 0.3 cm).
- the invention is therefore particularly advantageous insofar as it provides multi-composite acoustic panels which are both extremely effective while being less expensive and more ecological since they are obtained from the recovery of tires and saw blades. .
- the panels in question are easy to install and meet environmental standards.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/544,319 US7467688B2 (en) | 2003-01-31 | 2004-01-28 | Multi-composite acoustic panel |
CA002514954A CA2514954C (fr) | 2003-01-31 | 2004-01-28 | Panneau acoustique multi-composite |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2,418,295 | 2003-01-31 | ||
CA002418295A CA2418295A1 (fr) | 2003-01-31 | 2003-01-31 | Panneau acoustique multi-composite pour le domaine de la construction |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004067870A1 true WO2004067870A1 (fr) | 2004-08-12 |
Family
ID=32739267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA2004/000112 WO2004067870A1 (fr) | 2003-01-31 | 2004-01-28 | Panneau acoustique multi-composite |
Country Status (3)
Country | Link |
---|---|
US (1) | US7467688B2 (fr) |
CA (1) | CA2418295A1 (fr) |
WO (1) | WO2004067870A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10332172B3 (de) * | 2003-07-15 | 2004-10-21 | Carcoustics Tech Center Gmbh | Akustisch wirksame Radhausauskleidung für Fahrzeuge |
SK288376B6 (sk) * | 2009-06-16 | 2016-07-01 | Juraj Plesník | Stavebný dielec, najmä doskovitého tvaru a spôsob jeho výroby |
DE102010053612A1 (de) * | 2010-12-07 | 2012-06-14 | Conradi + Kaiser Gmbh | Schallschutzelement, Schallschutzwand, Fensterladen und Verfahren zur Herstellung eines Schallschutzelements |
US20170204620A9 (en) * | 2012-05-10 | 2017-07-20 | Michael Freedman & Associates, Inc. | Multi-layer acoustical flooring tile and method of manufacture |
RU2656420C2 (ru) * | 2014-02-19 | 2018-06-05 | Олег Савельевич Кочетов | Звукопоглощающий элемент со звукоотражающим слоем |
WO2017218756A1 (fr) * | 2016-06-17 | 2017-12-21 | Armstrong World Industries, Inc. | Pelletisation de matériaux de plafond recyclés |
EP3480235A1 (fr) * | 2017-11-03 | 2019-05-08 | Polytex Sportbeläge Produktions-GmbH | Génération d'un panneau de plancher pu-caoutchouc-poudre à l'aide d'un catalyseur thermosélectif |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1204036A (fr) * | 1958-10-03 | 1960-01-22 | Nouveau matériau isolant | |
US4339362A (en) * | 1978-07-04 | 1982-07-13 | Newco Synthetics International Inc. | Hardening composition containing cellulose powder, latex, magnesite and magnesium chloride |
FR2695119A1 (fr) * | 1992-08-25 | 1994-03-04 | Aschero Leon | Composition pour la fabrication de bétons et mortiers légers isolants. |
FR2735780A1 (fr) * | 1995-06-21 | 1996-12-27 | Hamon Jean Francois | Nouveau materiau composite a base de caoutchouc |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2550143A (en) * | 1947-11-29 | 1951-04-24 | Us Rubber Co | Construction board and method of making same |
US3150032A (en) * | 1956-06-25 | 1964-09-22 | Rubenstein David | Abuse resistant articles of manufacture and method of making |
US3160549A (en) * | 1960-12-29 | 1964-12-08 | Minnesota Mining & Mfg | Vibration damping structures |
US3424270A (en) * | 1965-05-12 | 1969-01-28 | Us Plywood Champ Papers Inc | Viscoelastic sound-blocking material with filler of high density particles |
US4109041A (en) * | 1976-07-26 | 1978-08-22 | Champion International Corporation | Construction panel with non-skid surface and method of fabrication |
US4272572A (en) * | 1979-10-11 | 1981-06-09 | Minnesota Mining And Manufacturing Company | Vibration isolation structure |
JPS60102310U (ja) * | 1983-12-16 | 1985-07-12 | 株式会社ブリヂストン | 制振遮音板 |
US4743624A (en) * | 1987-06-11 | 1988-05-10 | Blount David H | Process for the production of flame-retardant polyurethane products |
US4923034A (en) * | 1987-11-26 | 1990-05-08 | Matsushita Electric Works, Ltd. | Vibration-controlling member |
US5125475A (en) * | 1990-08-09 | 1992-06-30 | Les Materiaux Cascades Inc. | Acoustic construction panel |
US5151230A (en) * | 1990-10-01 | 1992-09-29 | Dinoflex Manufacturing Ltd. | Process for production of products formed of polymer bonded and granulated particles |
US5272284A (en) * | 1991-07-10 | 1993-12-21 | Carsonite International Corp. | Sound barrier |
JP2896499B2 (ja) * | 1996-08-22 | 1999-05-31 | 林野庁森林総合研究所長 | 複合材とその製造方法 |
US6213252B1 (en) * | 1996-11-08 | 2001-04-10 | Royal Mat International Inc. | Sound absorbing substrate |
US6122877A (en) * | 1997-05-30 | 2000-09-26 | Andersen Corporation | Fiber-polymeric composite siding unit and method of manufacture |
US5952053A (en) * | 1997-09-26 | 1999-09-14 | Willamette Valley Company | Process for producing filled polyurethane elastomers |
US6265037B1 (en) * | 1999-04-16 | 2001-07-24 | Andersen Corporation | Polyolefin wood fiber composite |
US6514889B1 (en) * | 2000-06-02 | 2003-02-04 | Soleno Textiles Technique Inc. | Sound and thermal insulating non-woven synthetic sheet material |
US20020070074A1 (en) * | 2000-08-04 | 2002-06-13 | Bongiovi Anthony C. | Vibration damping article and method of using same to damp vibration |
TW589340B (en) * | 2000-08-22 | 2004-06-01 | Ajinomoto Kk | A woody thermoplastic resin composition |
CA2366430A1 (fr) * | 2002-01-02 | 2003-07-02 | Chengjie Zhang | Materiaux composites en matiere plastique produits a partir de dechets et methode pour les produire |
JP2004186915A (ja) * | 2002-12-02 | 2004-07-02 | Sony Corp | 生分解性音響機器材料 |
US8051950B2 (en) * | 2006-08-03 | 2011-11-08 | Glacier Bay, Inc. | System for reducing acoustic energy |
-
2003
- 2003-01-31 CA CA002418295A patent/CA2418295A1/fr not_active Abandoned
-
2004
- 2004-01-28 WO PCT/CA2004/000112 patent/WO2004067870A1/fr active Application Filing
- 2004-01-28 US US10/544,319 patent/US7467688B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1204036A (fr) * | 1958-10-03 | 1960-01-22 | Nouveau matériau isolant | |
US4339362A (en) * | 1978-07-04 | 1982-07-13 | Newco Synthetics International Inc. | Hardening composition containing cellulose powder, latex, magnesite and magnesium chloride |
FR2695119A1 (fr) * | 1992-08-25 | 1994-03-04 | Aschero Leon | Composition pour la fabrication de bétons et mortiers légers isolants. |
FR2735780A1 (fr) * | 1995-06-21 | 1996-12-27 | Hamon Jean Francois | Nouveau materiau composite a base de caoutchouc |
Also Published As
Publication number | Publication date |
---|---|
CA2418295A1 (fr) | 2004-07-31 |
US7467688B2 (en) | 2008-12-23 |
US20070137927A1 (en) | 2007-06-21 |
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