DE3506488C2 - - Google Patents

Info

Publication number
DE3506488C2
DE3506488C2 DE3506488A DE3506488A DE3506488C2 DE 3506488 C2 DE3506488 C2 DE 3506488C2 DE 3506488 A DE3506488 A DE 3506488A DE 3506488 A DE3506488 A DE 3506488A DE 3506488 C2 DE3506488 C2 DE 3506488C2
Authority
DE
Germany
Prior art keywords
layer
beads
foam
noise
mat
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
Application number
DE3506488A
Other languages
German (de)
English (en)
Other versions
DE3506488A1 (de
Inventor
Bernd Dipl.-Ing. 7053 Kernen De Wagner
Dirk A. 7307 Aichwald De Siebelt
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Priority to DE19853506488 priority Critical patent/DE3506488A1/de
Priority to IT19260/86A priority patent/IT1188536B/it
Priority to FR8602414A priority patent/FR2578080B1/fr
Publication of DE3506488A1 publication Critical patent/DE3506488A1/de
Application granted granted Critical
Publication of DE3506488C2 publication Critical patent/DE3506488C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Laminated Bodies (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
DE19853506488 1985-02-23 1985-02-23 Geraeuschdaemmender schichtkoerper Granted DE3506488A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19853506488 DE3506488A1 (de) 1985-02-23 1985-02-23 Geraeuschdaemmender schichtkoerper
IT19260/86A IT1188536B (it) 1985-02-23 1986-01-31 Corpo stratificato insonorizzante,in particolare per autoveicoli
FR8602414A FR2578080B1 (fr) 1985-02-23 1986-02-21 Element insonorisant multicouche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853506488 DE3506488A1 (de) 1985-02-23 1985-02-23 Geraeuschdaemmender schichtkoerper

Publications (2)

Publication Number Publication Date
DE3506488A1 DE3506488A1 (de) 1986-09-04
DE3506488C2 true DE3506488C2 (enExample) 1988-01-14

Family

ID=6263446

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853506488 Granted DE3506488A1 (de) 1985-02-23 1985-02-23 Geraeuschdaemmender schichtkoerper

Country Status (3)

Country Link
DE (1) DE3506488A1 (enExample)
FR (1) FR2578080B1 (enExample)
IT (1) IT1188536B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637334A1 (de) * 1986-11-03 1988-05-11 Metzeler Schaum Gmbh Schallschutzelement und verfahren zur herstellung eines schallschutzelementes
DE8700264U1 (de) * 1987-01-07 1988-05-11 Irbit Research + Consulting Ag, Freiburg/Fribourg Aus Schaumstoff bestehende Schalldämmplatte
SE468793B (sv) * 1991-05-21 1993-03-22 Barracuda Tech Ab Ljuddaempande sandwichmaterial jaemte foerfarande foer dess framstaellning
DE4237513A1 (de) * 1992-11-07 1994-05-11 Helmut Pelzer Luftschall absorbierendes Formteil
WO1999035364A1 (en) * 1998-01-08 1999-07-15 Acell Holdings Limited Weather resistant panels
US6827894B1 (en) 2000-06-30 2004-12-07 Owens Corning Fiberglas Technology, Inc. Process for forming composite insulator
ES2197726B1 (es) * 2000-07-25 2005-03-01 Grupo Antolin-Ingenieria, S.A. Procedimiento de obtencion de un composite laminar para mejorar el comportamiento vibro-acustico de superficies, producto asi obtenido y util auxiliar utilizado.
RU2639759C2 (ru) * 2016-05-27 2017-12-22 федеральное государственное бюджетное образовательное учреждение высшего образования "Тольяттинский государственный университет" Комбинированная звукопоглощающая панель

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1005687B (it) * 1974-03-18 1976-09-30 Matec Holding Ag Prodotto fonoassorbente preformabi le
DE2735153A1 (de) * 1977-08-04 1979-02-15 Helmut Pelzer Spezifisch leichtes feder-masse- system in bekannter weise als doppelmatte ausgebildet
FR2410330A1 (fr) * 1977-11-23 1979-06-22 Koehler Ohg Hermann Materiau d'isolation acoustique
DE8211797U1 (de) * 1982-04-23 1982-10-14 Cellofoam Deutschland Gmbh, 7950 Biberach Schalldämmende Matte, insbesondere für Kraftfahrzeuge

Also Published As

Publication number Publication date
FR2578080A1 (fr) 1986-08-29
IT8619260A0 (it) 1986-01-31
FR2578080B1 (fr) 1988-08-05
IT1188536B (it) 1988-01-14
DE3506488A1 (de) 1986-09-04
IT8619260A1 (it) 1987-07-31

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee