EP1263583B1 - Procede de fabrication d'un element insonorisant - Google Patents

Procede de fabrication d'un element insonorisant Download PDF

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Publication number
EP1263583B1
EP1263583B1 EP01925480A EP01925480A EP1263583B1 EP 1263583 B1 EP1263583 B1 EP 1263583B1 EP 01925480 A EP01925480 A EP 01925480A EP 01925480 A EP01925480 A EP 01925480A EP 1263583 B1 EP1263583 B1 EP 1263583B1
Authority
EP
European Patent Office
Prior art keywords
layer
sound
barrier layer
soundproofing
absorbing material
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
Application number
EP01925480A
Other languages
German (de)
English (en)
Other versions
EP1263583A1 (fr
Inventor
Helmut Ruffer
Uwe Statter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plastocell Kunststoff GmbH
Original Assignee
Plastocell Kunststoff GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Plastocell Kunststoff GmbH filed Critical Plastocell Kunststoff GmbH
Publication of EP1263583A1 publication Critical patent/EP1263583A1/fr
Application granted granted Critical
Publication of EP1263583B1 publication Critical patent/EP1263583B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G10K11/168—Plural layers of different materials, e.g. sandwiches

Definitions

  • the invention relates to a method for producing a sound insulation element according to the features specified in the preamble of claim 1.
  • a sound insulation element which as a self-supporting Soundproofing plate is formed and as an effective sound absorption medium Layer of rigid polyurethane, phenolic or melamine rigid foam with very low density having.
  • Layer of rigid polyurethane, phenolic or melamine rigid foam with very low density having to protect this plastic foam layer from damage and a To achieve self-supporting sandwich structure is the plastic foam layer on both Laminated sides with dimensionally stable fabrics.
  • fabrics are cross-linked synthetic fiber fleece or block foam layers hewn on the outside as polyurethane foam intended.
  • These block foam layers can also be Glass or synthetic fiber fleece be reinforced, which occurs when the block foam layer is thermally digested is melted into the skin.
  • Soundproofing elements primarily in engine compartments of commercial vehicles, buses, municipal vehicles, Construction machinery and the like.
  • Other areas of application include general machine industry, soundproof booths, shields, partitions or the Boat building, whereby there is in no way a limitation due to the exemplary mention.
  • Such sound insulation elements have the problem that volatile substances, such as water, Oil, diesel fuel, gasoline, dust or the like adversely penetrate. Therefore in the past, such soundproofing elements were laminated with an aluminum foil, but as a result of sound reflections or lack of sound permeability the effectiveness has been significantly reduced.
  • the self-supporting Soundproofing plate is made up of the sound absorption medium or the soundproofing material from a rigid foam, so that an additional effort for the shaping and adaptation to the contour of the component to be insulated. Furthermore point such foams have a substantial porosity and thus absorption capacity for volatile Fabrics so that especially when oil, diesel fuel or petrol penetrate considerable safety risk with regard to ignition with explosive combustion given is.
  • the object of the invention is to use the aforementioned method Manufacturing a soundproofing element in such a way that a simple and Cost-effective production enables and nevertheless a firm and permanent connection of the Layers is achieved.
  • the proposed method enables the in a simple manner and with little effort Production of the sound insulation element, the barrier layer immediately after its production applied while still warm to the surface of the layer of nonwoven and is connected to this. It becomes a direct, fixed connection of the sound-absorbing Fleece layer reached with the barrier layer and the soundproofing element meets the acoustic requirements Requirements without restrictions over a long period of many years.
  • the soundproofing fleece layer goes with the still warm thermoplastic barrier layer a direct connection and due to the existing between the fibers of the fleece Open spaces that are largely connected to each other can possibly penetrate volatile substances emerge without problems and are not stored.
  • barrier layer of a thermoplastic material essentially prevents penetration, especially of volatile substances such as water, oil, diesel fuel, gasoline, dust and the like in particular when exposed to temperature and / or pressure.
  • the barrier layer consists of polypropylene or other thermoplastic materials and is directly connected to the soundproofing material.
  • the Barrier layer in a particularly advantageous manner immediately after production, in particular by means of an extruder, still warm on the surface of the sound-absorbing material applied, so that a "heat connection" with the sound-absorbing material is obtained.
  • the thermoplastic barrier layer and the soundproofing material no adhesive available.
  • the soundproofing material and preferably also the barrier layer are in expediently flexible, so that the attachment and attachment Components of any external contour is easily possible.
  • the fibers and / or the Material components of the nonwoven material have at least approximately none Absorption capacity for any that have penetrated into the sound-absorbing material other substances, so that their storage or retention essentially is prevented.
  • the soundproofing material also contains thermoplastic Components and is designed as a thermoplastic fleece. Furthermore, the sound-absorbing material can contain carbon fibers or even completely Carbon fibers are made. Furthermore, the soundproofing element heat-stable in a temperature range up to more than + 200 ° C, even over one longer period. It should also be noted that the soundproofing element and / or the surface material withstands an open flame for a longer period of time. Furthermore, the sound insulation element can be flat or as a plane Track or be designed as a three-dimensional body. Because of the direct Thermal connection of the thermoplastic barrier layer with the soundproofing Material becomes the fear of detachment when it is used when using adhesives of steam or water or the like, even if this happens under pressure, avoided.
  • Fig. 1 shows schematically a section through the surface product and / or Soundproofing element, containing a layer 2 of soundproofing material, which is formed as a fiber material, in particular as a thermoplastic fleece.
  • the Layer 2 preferably contains or consists of carbon fibers, but can other acoustically active fiber materials can also be provided.
  • the surface of layer 2 or the thermoplastic is sound-absorbing Materials arranged a barrier layer 4, which is made of a thermoplastic Material, in particular made of polypropylene.
  • the barrier layer 4 is immediate bonded to the surface of layer 2.
  • the barrier layer 4 is a thin film made of thermoplastic material.
  • the thermoplastic barrier layer 4 is during production, still in the warm state, especially as a flexible web provided layer 2 applied, for example by means of a roller arrangement or the like, which the layer 2 of soundproofing material and the in the warm state barrier layer 4 are fed together. It exists thus a direct, permanent connection between layer 2 and the barrier layer 4.
  • the thin barrier layer 4 advantageously avoids unwanted sound reflections and ensures unimpeded passage of sound.
  • the outer surface of the barrier layer facing away from layer 2 can also expediently 4 may be provided with an additional thin layer 3, which in particular has been applied by vapor deposition.
  • This additional thin layer 3 consists of advantageously made of aluminum, or an aluminum alloy or ceramic or from a material that can be applied by vapor deposition. Because of this additional thin layer 3, the thickness of which is substantially smaller than the thickness of the barrier layer improves their surface quality and / or hardness in a particularly expedient manner, so that the risk of damage to the barrier layer is significantly reduced.
  • the sound insulation element as a three-dimensional body be formed, one surface of which the barrier layer 4 made of thermoplastic Has material.
  • Fig. 2 an embodiment of the soundproofing element is shown, the soundproofing Layer 2 is provided on both sides with a barrier layer 4, 5.
  • barrier layer 4 applies correspondingly to the second barrier layer 5th
  • FIG. 3 schematically shows the sound insulation element made of the sound insulation layer 2 and the barrier layer 4 in combination with additional sound insulation material 6.
  • Das Soundproofing material 6 can be made in a known manner as a foamed or nonwoven Material or the like may be formed.
  • the barrier layer 4 reliably prevents the penetration of particularly volatile materials such as water, oil or other Substances.
  • the soundproofing material 6 can be provided with self-adhesive equipment be with the soundproofing element and / or for example the sheet metal of an engine compartment, the wall of a soundproof cabin or the like in a simple manner to be connectable.
  • FIG. 4 basically corresponds to the embodiment 3, but with the surface element according to the invention on the additional sound insulation material 6 is arranged that the layer 2 of sound absorbing Material directly on the surface of the additional sound insulation material 6 is arranged.
  • the barrier layer lying on top according to the drawing 4 be provided on the free surface with the vapor-coated layer 3, as is the case is explained with reference to FIG. 1.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Laminated Bodies (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Building Environments (AREA)
  • Stringed Musical Instruments (AREA)
  • Pipe Accessories (AREA)
  • Glass Compositions (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Claims (8)

  1. Procédé de fabrication d'un élément d'isolation phonique à partir d'une couche (2) en matériau isolant phonique, qui est conformé en voile, et d'une couche barrière (4) en matériau thermoplastique,
        caractérisé en ce que la couche barrière (4) est appliquée juste après sa fabrication, à l'état encore chaud, sur la surface de la couche (2) en voile et liée à celle-ci.
  2. Procédé selon la revendication 1, caractérisé en ce qu 'on utilise un voile thermoplastique pour la couche (2) en matériau isolant phonique.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu 'on utilise pour la couche (2) en matériau isolant phonique un voile composé entièrement ou partiellement de fibres de verre.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu 'on utilise un matériau flexible pour la couche (2) en matériau isolant phonique.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élément d'isolant phonique est placé sur un matériau d'isolation phonique (6) qui est conformé en particulier en matériau moussé ou en voile.
  6. Procédé selon la revendication 5, caractérisé en ce qu 'on utilise un matériau d'isolation phonique (6) muni d'un système autocollant.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu 'une couche mince (3) est appliquée, en particulier par vaporisation, sur la surface de la couche barrière (4) opposée à la couche (2).
  8. Procédé selon la revendication 7, caractérisé en ce que, pour appliquer la couche mince (3), on utilise de l'aluminium ou un alliage d'aluminium ou une céramique.
EP01925480A 2000-03-16 2001-03-16 Procede de fabrication d'un element insonorisant Expired - Lifetime EP1263583B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20004796U 2000-03-16
DE20004796U DE20004796U1 (de) 2000-03-16 2000-03-16 Schalldämmelement
PCT/EP2001/003047 WO2001070499A1 (fr) 2000-03-16 2001-03-16 Element insonorisant

Publications (2)

Publication Number Publication Date
EP1263583A1 EP1263583A1 (fr) 2002-12-11
EP1263583B1 true EP1263583B1 (fr) 2004-09-29

Family

ID=7938801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01925480A Expired - Lifetime EP1263583B1 (fr) 2000-03-16 2001-03-16 Procede de fabrication d'un element insonorisant

Country Status (10)

Country Link
EP (1) EP1263583B1 (fr)
AT (1) ATE277759T1 (fr)
AU (1) AU2001252215A1 (fr)
DE (2) DE20004796U1 (fr)
DK (1) DK1263583T3 (fr)
ES (1) ES2227175T3 (fr)
PL (1) PL358099A1 (fr)
PT (1) PT1263583E (fr)
TR (1) TR200402578T4 (fr)
WO (1) WO2001070499A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004017701A1 (de) * 2004-04-10 2005-10-27 Saurer Gmbh & Co. Kg Abdeckung für eine Textilmaschine
DE202007007323U1 (de) 2007-05-23 2007-08-16 Gummi-Welz Gmbh U. Co. Kg Gummi-Kunststofftechnik-Schaumstoffe Isolierelement mit Sandwich-Aufbau
ES2335253B1 (es) * 2007-06-11 2011-05-16 Gea 21, S.A. Aislante acustico y procedimiento para su obtencion.
ES2339418B1 (es) * 2008-11-18 2011-06-09 Gea 21, S.A. Mejoras introducidas en la patente de invencion p200701600 por aislante acustico y procedimiento para su obtencion.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946892A1 (de) * 1979-11-21 1981-06-04 Erste Deutsche Basaltwolle Kg A. Messler, 8712 Volkach Mittel zum isolieren von metallkonstruktionen
DE3534690A1 (de) 1985-09-28 1987-06-19 Greiner & Soehne C A Selbsttragende schalldaemmplatte
DE3539146A1 (de) * 1985-11-05 1987-05-14 Ford Werke Ag Radhausauskleidung fuer kraftfahrzeuge
DE9114103U1 (de) * 1991-11-13 1992-02-06 Johann Borgers Gmbh & Co Kg, 4290 Bocholt Recyclingfähiges Dämpfungsteil für Türseitenverkleidung von Automobilen
US5298694A (en) * 1993-01-21 1994-03-29 Minnesota Mining And Manufacturing Company Acoustical insulating web
DE9408097U1 (de) * 1994-05-17 1995-09-14 M. Faist GmbH & Co KG, 86381 Krumbach Schalldämmender Bauteil
IT239745Y1 (it) * 1996-05-27 2001-03-13 San Valeriano S P A Pannello copri-passaruota per autoveicolo.
DE19821532A1 (de) * 1998-05-14 1999-11-25 Hp Chemie Pelzer Res & Dev Wärme- und schalldämmende Verkleidung für den Motorraum von Kraftfahrzeugen sowie ein Verfahren zu dessen Herstellung
DE29903908U1 (de) * 1999-03-05 1999-07-08 CWW-GERKO Akustik GmbH & Co. KG, 67547 Worms Dämmteil

Also Published As

Publication number Publication date
PL358099A1 (en) 2004-08-09
TR200402578T4 (tr) 2004-12-21
EP1263583A1 (fr) 2002-12-11
AU2001252215A1 (en) 2001-10-03
ATE277759T1 (de) 2004-10-15
DE20004796U1 (de) 2000-07-06
DK1263583T3 (da) 2004-12-20
WO2001070499A1 (fr) 2001-09-27
DE50103877D1 (de) 2004-11-04
ES2227175T3 (es) 2005-04-01
PT1263583E (pt) 2005-01-31

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