EP0963473B1 - Schallschutzmaterial und seine verwendung - Google Patents
Schallschutzmaterial und seine verwendung Download PDFInfo
- Publication number
- EP0963473B1 EP0963473B1 EP98909415A EP98909415A EP0963473B1 EP 0963473 B1 EP0963473 B1 EP 0963473B1 EP 98909415 A EP98909415 A EP 98909415A EP 98909415 A EP98909415 A EP 98909415A EP 0963473 B1 EP0963473 B1 EP 0963473B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- material according
- soundproofing material
- fibres
- nonwoven
- soundproofing
- 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.)
- Expired - Lifetime
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Images
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
- D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/92—Fire or heat protection feature
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/92—Fire or heat protection feature
- Y10S428/921—Fire or flameproofing
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2631—Coating or impregnation provides heat or fire protection
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2631—Coating or impregnation provides heat or fire protection
- Y10T442/2672—Phosphorus containing
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2631—Coating or impregnation provides heat or fire protection
- Y10T442/2721—Nitrogen containing
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/682—Needled nonwoven fabric
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/697—Containing at least two chemically different strand or fiber materials
Definitions
- the invention relates to a soundproofing material made of thermoplastic fibers containing nonwovens for the sound frequency range 100 to 5000 Hz and its Use in secondary sound insulation.
- porous absorbers such as artificial mineral fibers, open-cell foams, porous inorganic bulk goods or natural fibers in the medium to high-frequency range into heat depending on the frequency range.
- porous absorbers To avoid abrasion and trickling out of the fabrics, they are often laminated with anti-freeze materials based on textile fleece.
- porous absorbers generally only prove themselves in the medium to high frequency range is due to their physical damping principle.
- the strength of the damping material In order to dampen a sound wave with the highest possible absorption, the strength of the damping material must be at least 1 ⁇ 4 of the wavelength ⁇ to be damped, since here the amplitude has its maximum deflection, ie the lower frequencies determine the required insulation thickness due to their longer wavelength.
- the insulation material is arranged at a distance corresponding to ⁇ / 4 .
- the airborne absorption coefficient ⁇ describing the damping capacity is characterized by drops in the higher-frequency range.
- nonwovens in sound insulation are varied, often in combination used with other surface materials or as a carrier for sound absorbing Serve fabrics.
- Pure nonwovens in needled form are from P.Banks-Lee, H.Peng and A.L.Diggs (TAPPI Proceedings 1992 Nonwovens Conference, p. 209 - 216) have been examined for sound absorption. It was found that despite variation of the various test parameters the nonwovens in the frequency range ⁇ 1,000 Hz have insufficient sound absorption for practical use.
- EP 0 607 946 describes pure nonwovens with thermoplastic fibers as Soundproofing material described. As can be seen from Table 2, these are also here the absorption values in the lower frequency range in one for practical use insufficient height.
- the invention is therefore based on the object of developing a soundproofing material in addition to a small footprint in the frequency range from 100 to 5,000 Hz has a broadband absorption.
- the nonwoven suitable for the invention consists of natural and / or synthetic organic or inorganic primary fibers with 10 - 90% thermoplastic Secondary fibers are offset. These have a softening range of at least 5 ° C, which in any case below a possible softening or Decomposition range of the primary fibers.
- Fibers For both types of fibers come those with a titre of 0.5 - 17 dtex, preferably 0.9 - 6.7 dtex, and stack lengths of 20 - 80 mm, preferably 30 - 60 mm, for use.
- Polyethylene terephthalate fibers have proven particularly useful as primary fibers Combination with copolyester fibers as secondary fibers.
- the primary and / or secondary fibers can be formed by suitable fiber mixtures, with particular Interest is the addition of recycled fibers
- the thickness of the nonwovens according to the invention is 0.3 to 3.0 mm and particularly preferably 0.8 to 1.2 mm.
- the first stage of the compaction of the nonwoven fabric consists of mechanical strengthening, which is accomplished by needling with barbed needles, by the spunlaced method by water jets or by a sewing method using culverting needles. Needling is particularly preferred and is carried out with 40 to 150 punctures / cm 2 , preferably 60 to 80 punctures / cm 2 .
- the pressure / heat treatment as the second stage of compression can be discontinuous (in cycles) or continuously. In the first case, these are heated Presses and, in the second case, heatable calenders.
- the one to choose Temperature range lies within the softening range of the secondary fibers, which in turn is below the softening or decomposition range of the primary fibers lies.
- the line pressure for calenders is preferably in the range from 0.5 to 3.0 KN / cm at 1.5 to 2.0 KN / cm.
- the specific flow resistance of the compressed nonwovens is of particular importance because it correlates directly with the degree of sound absorption.
- FIG. 1 The dependence of the degree of sound absorption on the frequency is shown in FIG. 1 represented graphically, with curve A for the nonwoven fabric after the first compression stage and curve B applies to the end product.
- the nonwovens according to the invention can be used primarily in the secondary Noise protection can be used indoors, e.g. as an acoustically effective location Soundproof cabin walls and screens or as an acoustically effective position for suspended Ceiling constructions (acoustic ceilings). They are characterized by a double function because they combine resonance and absorption effects. So it will possible to use a broadband sound absorption even in the low sound frequency range to achieve only one material.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Nonwoven Fabrics (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Building Environments (AREA)
Description
- Fig. 1:
- Graphische Darstellung des Schallabsorptionsgrades gegen die Frequenz für das Produkt des Ausführungsbeispieles.
- Flammhemmend mit z.B. Metallhydroxyden und/oder Ammoniumpolyphosphat und/oder Melamin und/oder rotem Phosphor
- Färbung
- Zugabe von Antioxydationsmitteln
- Zugabe von Antistatika
- Luftschallabsorptionsgradbestimmung
Nach DIN 52 215 Bestimmung des Schallabsorptionsgrades und der Impedanz im Rohr.
Nach diesem Verfahren wurden in Fig. 1 die Luftschallabsorptionswerte gemessen. - Spezifischer Strömungswiderstand
Nach DIN EN 29053, Verfahren B - Dickenmessung
Handelsübliche Dickenmeßgeräte unter Verwendung von Tasteroberflächen von 25 cm2, einem Auflagedruck von 10 cN/cm2 und einer Einwirkzeit von 5 sec.
Claims (12)
- Schallschutzmaterial aus thermoplastische Fasern enthaltenden Vliesstoffen für den Schallfrequenzbereich 100 bis 5.000 Hz, dadurch gekennzeichnet, daß der Vliesstoff in zwei Stufen durch einen mechanischen Verfestigungsprozeß und eine anschliessende Druck-/Wärmebehandlung bis zu einem spezifischen Strömungswiderstand von Rs = 800 - 1.400 Ns/m3 dauerhaft verdichtet ist.
- Schallschutzmaterial nach Anspruch 1, dadurch gekennzeichnet, daß der Vliesstoff neben natürlichen und/oder synthetischen organischen oder anorganischen Primärfasern 10 - 90 Gew.-% thermoplastische Sekundärfasern mit einem Erweichungsbereich von mindestens 5°C enthält, der in jedem Falle unterhalb eines eventuellen Erweichungs- oder Zersetzungsbereiches der Primärfasern liegt.
- Schallschutzmaterial nach Ansprüchen 1 und 2, dadurch gekennzeichnet, daß für die Primär- und Sekundärfasern solche mit Titern von 0,5 bis 17 dtex, vorzugsweise 0,9 bis 6,7 dtex, und Stapellängen von 20 bis 80 mm, vorzugsweise 30 bis 60 mm, eingesetzt sind.
- Schallschutzmaterial nach Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß als Primärfasern Polyethylenterephthalat-Fasern und als Sekundärfasern Copolyesterfasern eingesetzt sind.
- Schallschutzmaterial nach Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß der Vliesstoff eine Dicke von 0,3 bis 3,0 mm, vorzugsweise 0,8 bis 1,2 mm und ein Raumgewicht von 250 bis 500 Kg/m3, vorzugsweise 270 bis 330 Kg/m3 aufweist.
- Schallschutzmaterial nach Ansprüchen 1 bis 5, dadurch gekennzeichnet, daß die erste Stufe der Verdichtung des Vliesstoffes durch einen Nadelungsprozeß realisiert wird.
- Schallschutzmaterial nach Ansprüchen 1 bis 6, dadurch gekennzeichnet, daß die zweite Stufe der Verdichtung innerhalb des Erweichungsbereiches der Sekundärfasern bei Liniendrücken von 0,5 bis 3,0 KN/cm, vorzugsweise 1,5 bis 2,0 KN/cm realisiert ist.
- Schallschutzmaterial nach Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß der verdichtete Vliesstoff einen spezifischen Strömungswiderstand von 1.100 ± 150 Ns/m3 aufweist.
- Schallschutzmaterial nach Ansprüchen 1 bis 8, dadurch gekennzeichnet, daß der Vliesstoff durch Metallhydroxyde und/oder Ammoniumpolyphosphate und/oder Melamin und/oder roten Phosphor flammhemmend ausgerüstet ist.
- Verwendung des Schallschutzmaterials nach Ansprüchen bis 9 als sekundärer Schallschutz im Innenraumbereich.
- Verwendung des Schallschutzmaterials nach Ansprüchen 1 bis 10, dadaurch gekennzeichnet, daß eine breitbandige Schallabsorptionswirkung durch Kombination von Resonatoren- und porösen Absorptionsmechanismen in Verbindung mit einem Luftspalt, dessen Breite sich an der niedrigsten zu bekämpfenden Frequenz orientiert, hinter der Vliesstofflage erzielt wird.
- Verwendung des Schallschutzmaterials nach Ansprüchen 1 bis 11. dadurch gekennzeichnet, daß Einbrüche des Absorptionsgrades im interessierenden Frequenzbereich durch weitere zusätzliche Vliesstofflagen des erfindungsgemäßen Materials vermieden werden können.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19708188 | 1997-02-28 | ||
DE19708188A DE19708188C2 (de) | 1997-02-28 | 1997-02-28 | Schallschutzmaterial |
PCT/EP1998/000686 WO1998038370A1 (de) | 1997-02-28 | 1998-02-09 | Schallschutzmaterial und seine verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0963473A1 EP0963473A1 (de) | 1999-12-15 |
EP0963473B1 true EP0963473B1 (de) | 2002-05-29 |
Family
ID=7821856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98909415A Expired - Lifetime EP0963473B1 (de) | 1997-02-28 | 1998-02-09 | Schallschutzmaterial und seine verwendung |
Country Status (10)
Country | Link |
---|---|
US (1) | US6376396B1 (de) |
EP (1) | EP0963473B1 (de) |
JP (1) | JP2001513217A (de) |
KR (1) | KR20000075816A (de) |
AT (1) | ATE218171T1 (de) |
AU (1) | AU6395998A (de) |
CA (1) | CA2280772A1 (de) |
DE (2) | DE19708188C2 (de) |
NO (1) | NO994155D0 (de) |
WO (1) | WO1998038370A1 (de) |
Families Citing this family (44)
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SG87821A1 (en) * | 1998-08-24 | 2002-04-16 | Nitto Denko Corp | Damping material, damping method and disc drive |
AU2006101034B4 (en) * | 2000-07-19 | 2007-01-04 | I.N.C. Corporation Pty Ltd | A thermoformed acoustic article |
AUPQ883000A0 (en) * | 2000-07-19 | 2000-08-10 | I.N.C. Corporation Pty Ltd | A thermoformable acoustic sheet |
AU2006101037B4 (en) * | 2000-07-19 | 2007-01-04 | I.N.C. Corporation Pty Ltd | Thermoformable acoustic articles |
AU2006101040C4 (en) * | 2000-07-19 | 2008-04-03 | I.N.C. Corporation Pty Ltd | A thermoformable acoustic sheet and thermoformed acoustic article |
AU2006101035B4 (en) * | 2000-07-19 | 2007-01-04 | I.N.C. Corporation Pty Ltd | A motor vehicle including a thermoformed acoustic article |
AU2006101041B4 (en) * | 2000-07-19 | 2007-01-04 | I.N.C. Corporation Pty Ltd | A thermoformable acoustic sheet |
AU2006101033B4 (en) * | 2000-07-19 | 2007-01-04 | I.N.C. Corporation Pty Ltd | A thermoformable acoustic sheet and thermoformed acoustic article |
AU2007100274B4 (en) * | 2000-07-19 | 2007-04-26 | I.N.C. Corporation Pty Ltd | A thermoformable acoustic sheet |
DE10163576B4 (de) * | 2001-12-21 | 2006-07-20 | Sandler Ag | Isolations-Material |
DE10201763A1 (de) * | 2002-01-18 | 2003-08-07 | Bayer Ag | Akustisches Abschirmelement |
FR2836748B1 (fr) * | 2002-03-04 | 2004-08-27 | Sai Automotive Sommer Ind | Insonorisant de type masse-ressort |
DE60317658T2 (de) * | 2002-04-22 | 2008-10-30 | Lydall, Inc., Manchester | Polstermaterial mit dichtegradient und verfahren zu dessen herstellung |
US20050026527A1 (en) * | 2002-08-05 | 2005-02-03 | Schmidt Richard John | Nonwoven containing acoustical insulation laminate |
US6893711B2 (en) * | 2002-08-05 | 2005-05-17 | Kimberly-Clark Worldwide, Inc. | Acoustical insulation material containing fine thermoplastic fibers |
US20040077247A1 (en) * | 2002-10-22 | 2004-04-22 | Schmidt Richard J. | Lofty spunbond nonwoven laminate |
US20040131836A1 (en) * | 2003-01-02 | 2004-07-08 | 3M Innovative Properties Company | Acoustic web |
US7320739B2 (en) * | 2003-01-02 | 2008-01-22 | 3M Innovative Properties Company | Sound absorptive multilayer composite |
US20040231914A1 (en) * | 2003-01-02 | 2004-11-25 | 3M Innovative Properties Company | Low thickness sound absorptive multilayer composite |
US20040180177A1 (en) * | 2003-03-12 | 2004-09-16 | Ray Kyle A. | Thermoformable acoustic material |
US20040180592A1 (en) * | 2003-03-12 | 2004-09-16 | Ray Kyle A. | Thermoformable acoustic sheet material |
JP2006526081A (ja) * | 2003-03-31 | 2006-11-16 | リーター テクノロジーズ アー ゲー | 車両の内張用の音響的効果を有する不織布 |
DE10324257B3 (de) * | 2003-05-28 | 2004-09-30 | Clion Ireland Ltd., Newton | Schallabsorber, Verfahren zur Herstellung, und Verwendung |
US7032356B2 (en) * | 2003-08-19 | 2006-04-25 | Layfield Derek J | Interior wall and partition construction |
US20050064165A1 (en) * | 2003-09-22 | 2005-03-24 | Cleveland Mark A. | Acoustically damped composite construction for the forward portion of a rocket or missile |
US7500541B2 (en) * | 2004-09-30 | 2009-03-10 | Kimberly-Clark Worldwide, Inc. | Acoustic material with liquid repellency |
US7686132B2 (en) * | 2005-12-29 | 2010-03-30 | 3M Innovative Properties Company | Porous membrane |
DK2060146T3 (en) * | 2006-08-21 | 2018-10-15 | Rune Skramstad | HORN SPEAKER AND SOUND SOURCE |
MX338805B (es) * | 2007-09-28 | 2016-05-02 | Lydall Inc | Un panel de vehiculo aislante acustico moldeado y formado y metodo de fabricacion del mismo. |
AU2009322091B2 (en) * | 2008-12-04 | 2015-10-29 | Zephyros, Inc. | Nonwoven textile made from short fibers |
DE102009007891A1 (de) | 2009-02-07 | 2010-08-12 | Willsingh Wilson | Resonanz-Schallabsorber in mehrschichtiger Ausführung |
DE202009011197U1 (de) | 2009-07-06 | 2009-10-29 | Eswegee Vliesstoff Gmbh | Schallabsorptionsmaterial |
PT104843A (pt) | 2009-11-27 | 2011-05-27 | Univ Do Minho | Estruturas de n?o-tecido tridimensionais com forma para isolamento ac?stico e m?todo de produ??o associado |
DE102010002049B4 (de) * | 2010-02-17 | 2019-06-27 | Röchling Automotive AG & Co. KG | Akustisch absorbierend wirksames KFZ-Innenverkleidungsbauteil |
ITMI20102144A1 (it) * | 2010-11-19 | 2012-05-20 | Mappy Italia S P A | Struttura di pannello modulare, particolarmente per la realizzazione di rivestimenti fonoassorbenti e termoisolanti di soffitti e pareti. |
KR101289129B1 (ko) * | 2012-09-28 | 2013-07-23 | 웅진케미칼 주식회사 | 흡음성능이 우수한 흡음재 및 그 제조방법 |
US9546439B2 (en) | 2014-05-15 | 2017-01-17 | Zephyros, Inc. | Process of making short fiber nonwoven molded articles |
CN106461888B (zh) * | 2014-06-27 | 2018-11-30 | 三菱电机株式会社 | 光收发器 |
US10113322B2 (en) | 2014-12-08 | 2018-10-30 | Zephyros, Inc. | Vertically lapped fibrous flooring |
WO2016115138A1 (en) | 2015-01-12 | 2016-07-21 | Zephyros, Inc. | Acoustic floor underlay system |
WO2016118587A1 (en) | 2015-01-20 | 2016-07-28 | Zephyros, Inc. | Sound absorption materials based on nonwovens |
WO2016187526A1 (en) | 2015-05-20 | 2016-11-24 | Zephyros, Inc. | Multi-impedance composite |
DE102019118591B4 (de) * | 2019-07-09 | 2022-02-10 | Deutsche Institute Für Textil- Und Faserforschung Denkendorf | Schallabsorberanordnung |
EP4380796A1 (de) * | 2021-08-05 | 2024-06-12 | Armstrong World Industries, Inc. | Akustikplatte |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS5346978B2 (de) * | 1974-08-02 | 1978-12-18 | ||
SE461048B (sv) * | 1987-03-02 | 1989-12-18 | Gyproc Ab | Perforerad, ljudabsorberande skiva |
JP3063151B2 (ja) * | 1990-11-15 | 2000-07-12 | ダイニック株式会社 | 直貼り床用緩衝部材 |
US5245121A (en) * | 1991-08-08 | 1993-09-14 | Phillips Petroleum Company | Reduced leaching of heavy metals from incinerator ashes |
JP3106440B2 (ja) * | 1991-11-16 | 2000-11-06 | ダイニック株式会社 | 床材用不織布の製造方法 |
DE4206997C2 (de) * | 1992-03-05 | 1997-07-03 | Milliken Europ Nv | Verfahren zur Herstellung eines textilen Flachmaterials aus mindestens zwei Komponenten unterschiedlichen Schmelzpunktes |
US5298694A (en) * | 1993-01-21 | 1994-03-29 | Minnesota Mining And Manufacturing Company | Acoustical insulating web |
FR2708777B1 (fr) * | 1993-08-06 | 1995-09-22 | Roth Sa Freres | Panneau absorbant l'énergie acoustique dans les basses, moyennes et hautes fréquences, en particulier dans les fréquences comprises entre 400 Hz et 5000 Hz. |
DE9404621U1 (de) * | 1994-03-18 | 1995-07-20 | M. Faist GmbH & Co KG, 86381 Krumbach | Schallabsorbierender Formkörper |
DE19518285C2 (de) * | 1995-05-18 | 2000-06-21 | Lohmann Gmbh & Co Kg | Mechanisch verfestigter Vliesstoff zur Herstellung von formstabilen Formteilen |
-
1997
- 1997-02-28 DE DE19708188A patent/DE19708188C2/de not_active Expired - Fee Related
-
1998
- 1998-02-09 JP JP53722598A patent/JP2001513217A/ja active Pending
- 1998-02-09 EP EP98909415A patent/EP0963473B1/de not_active Expired - Lifetime
- 1998-02-09 AT AT98909415T patent/ATE218171T1/de not_active IP Right Cessation
- 1998-02-09 US US09/380,195 patent/US6376396B1/en not_active Expired - Fee Related
- 1998-02-09 AU AU63959/98A patent/AU6395998A/en not_active Abandoned
- 1998-02-09 WO PCT/EP1998/000686 patent/WO1998038370A1/de not_active Application Discontinuation
- 1998-02-09 DE DE59804245T patent/DE59804245D1/de not_active Expired - Fee Related
- 1998-02-09 KR KR1019997007889A patent/KR20000075816A/ko not_active Application Discontinuation
- 1998-02-09 CA CA002280772A patent/CA2280772A1/en not_active Abandoned
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1999
- 1999-08-27 NO NO994155A patent/NO994155D0/no unknown
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NO994155L (no) | 1999-08-27 |
AU6395998A (en) | 1998-09-18 |
NO994155D0 (no) | 1999-08-27 |
DE19708188C2 (de) | 2001-05-10 |
US6376396B1 (en) | 2002-04-23 |
KR20000075816A (ko) | 2000-12-26 |
DE19708188A1 (de) | 1998-09-03 |
EP0963473A1 (de) | 1999-12-15 |
ATE218171T1 (de) | 2002-06-15 |
JP2001513217A (ja) | 2001-08-28 |
CA2280772A1 (en) | 1998-09-03 |
WO1998038370A1 (de) | 1998-09-03 |
DE59804245D1 (de) | 2002-07-04 |
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