SE468162B - Sjaelvbaerande sandwichartat ljudisoleringselement samt foerfarande foer dess framstaellning - Google Patents

Sjaelvbaerande sandwichartat ljudisoleringselement samt foerfarande foer dess framstaellning

Info

Publication number: SE468162B
Authority: SE; Sweden
Prior art keywords: core layer; sound insulation; layer; element according; insulation element
Prior art date: 1985-08-27

Application number

SE8603348A

Other languages

English (en)

Swedish (sv)

Other versions

SE8603348D0 (sv

SE8603348L (sv

Inventor

B Eder

Original Assignee

Greiner Schaumstoffwerk

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.)

1985-08-27

Filing date

1986-08-07

Publication date

1992-11-16

1985-08-27 Priority claimed from AT248585A external-priority patent/AT394231B/de

1985-12-24 Priority claimed from AT375185A external-priority patent/AT388702B/de

1986-08-07 Application filed by Greiner Schaumstoffwerk filed Critical Greiner Schaumstoffwerk

1986-08-07 Publication of SE8603348D0 publication Critical patent/SE8603348D0/xx

1987-02-28 Publication of SE8603348L publication Critical patent/SE8603348L/xx

1992-11-16 Publication of SE468162B publication Critical patent/SE468162B/sv

Links

238000009413 insulation Methods 0.000 title claims description 95
238000000034 method Methods 0.000 title claims description 20
238000002360 preparation method Methods 0.000 title description 2
239000010410 layer Substances 0.000 claims description 128
239000012792 core layer Substances 0.000 claims description 104
239000006260 foam Substances 0.000 claims description 58
239000000835 fiber Substances 0.000 claims description 40
229920003023 plastic Polymers 0.000 claims description 37
239000004033 plastic Substances 0.000 claims description 37
239000011888 foil Substances 0.000 claims description 28
239000012790 adhesive layer Substances 0.000 claims description 27
239000005871 repellent Substances 0.000 claims description 17
239000004698 Polyethylene Substances 0.000 claims description 16
-1 polyethylene Polymers 0.000 claims description 16
229920000573 polyethylene Polymers 0.000 claims description 16
239000000463 material Substances 0.000 claims description 15
239000003570 air Substances 0.000 claims description 13
238000004519 manufacturing process Methods 0.000 claims description 13
238000000280 densification Methods 0.000 claims description 12
230000009471 action Effects 0.000 claims description 10
239000000853 adhesive Substances 0.000 claims description 9
230000001070 adhesive effect Effects 0.000 claims description 9
238000013016 damping Methods 0.000 claims description 9
239000011230 binding agent Substances 0.000 claims description 8
238000010438 heat treatment Methods 0.000 claims description 8
239000002184 metal Substances 0.000 claims description 8
229910052751 metal Inorganic materials 0.000 claims description 8
230000008569 process Effects 0.000 claims description 8
229920000728 polyester Polymers 0.000 claims description 5
229920000049 Carbon (fiber) Polymers 0.000 claims description 4
239000004721 Polyphenylene oxide Substances 0.000 claims description 4
239000004917 carbon fiber Substances 0.000 claims description 4
239000004744 fabric Substances 0.000 claims description 4
239000000155 melt Substances 0.000 claims description 4
229920000570 polyether Polymers 0.000 claims description 4
229920006337 unsaturated polyester resin Polymers 0.000 claims description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
239000003365 glass fiber Substances 0.000 claims description 3
238000005470 impregnation Methods 0.000 claims description 3
239000000654 additive Substances 0.000 claims description 2
230000000996 additive effect Effects 0.000 claims description 2
239000012080 ambient air Substances 0.000 claims description 2
239000002131 composite material Substances 0.000 claims 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
239000003595 mist Substances 0.000 claims 1
210000004027 cell Anatomy 0.000 description 54
230000008901 benefit Effects 0.000 description 9
230000000694 effects Effects 0.000 description 8
239000003981 vehicle Substances 0.000 description 7
230000006378 damage Effects 0.000 description 5
238000005253 cladding Methods 0.000 description 4
230000002277 temperature effect Effects 0.000 description 4
230000006978 adaptation Effects 0.000 description 3
238000004026 adhesive bonding Methods 0.000 description 3
230000005540 biological transmission Effects 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
230000008859 change Effects 0.000 description 3
230000007423 decrease Effects 0.000 description 3
230000002349 favourable effect Effects 0.000 description 3
239000007788 liquid Substances 0.000 description 3
230000010355 oscillation Effects 0.000 description 3
238000010521 absorption reaction Methods 0.000 description 2
230000002238 attenuated effect Effects 0.000 description 2
238000005187 foaming Methods 0.000 description 2
238000000465 moulding Methods 0.000 description 2
230000035515 penetration Effects 0.000 description 2
230000035699 permeability Effects 0.000 description 2
230000009467 reduction Effects 0.000 description 2
229920005989 resin Polymers 0.000 description 2
239000011347 resin Substances 0.000 description 2
230000035882 stress Effects 0.000 description 2
229920000742 Cotton Polymers 0.000 description 1
101100298295 Drosophila melanogaster flfl gene Proteins 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
238000004873 anchoring Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
239000013013 elastic material Substances 0.000 description 1
239000011152 fibreglass Substances 0.000 description 1
210000000497 foam cell Anatomy 0.000 description 1
239000003292 glue Substances 0.000 description 1
239000012943 hotmelt Substances 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
239000002655 kraft paper Substances 0.000 description 1
230000002045 lasting effect Effects 0.000 description 1
239000010985 leather Substances 0.000 description 1
239000002649 leather substitute Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
239000011707 mineral Substances 0.000 description 1
239000002557 mineral fiber Substances 0.000 description 1
235000014593 oils and fats Nutrition 0.000 description 1
210000004197 pelvis Anatomy 0.000 description 1
230000000149 penetrating effect Effects 0.000 description 1
239000011148 porous material Substances 0.000 description 1
239000011241 protective layer Substances 0.000 description 1
230000002940 repellent Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
229920002994 synthetic fiber Polymers 0.000 description 1
239000012209 synthetic fiber Substances 0.000 description 1
230000008646 thermal stress Effects 0.000 description 1
230000008719 thickening Effects 0.000 description 1
238000005303 weighing Methods 0.000 description 1

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
- 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
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0001—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties
- B29K2995/0002—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties 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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
- 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
- B32B2266/06—Open cell foam
- 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
- 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
- E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate 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
- 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
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Engineering & Computer Science (AREA)
Architecture (AREA)
Electromagnetism (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Laminated Bodies (AREA)
Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Soundproofing, Sound Blocking, And Sound Damping (AREA)
Building Environments (AREA)

SE8603348A 1985-08-27 1986-08-07 Sjaelvbaerande sandwichartat ljudisoleringselement samt foerfarande foer dess framstaellning SE468162B (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT248585A AT394231B (de)	1985-08-27	1985-08-27	Selbsttragendes sandwichartiges schallschutzelement
AT375185A AT388702B (de)	1985-12-24	1985-12-24	Schallschutzelement und verfahren zu seiner herstellung

Publications (3)

Publication Number	Publication Date
SE8603348D0 SE8603348D0 (sv)	1986-08-07
SE8603348L SE8603348L (sv)	1987-02-28
SE468162B true SE468162B (sv)	1992-11-16

Family

ID=25598541

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8603348A SE468162B (sv)	1985-08-27	1986-08-07	Sjaelvbaerande sandwichartat ljudisoleringselement samt foerfarande foer dess framstaellning

Country Status (8)

Country	Link
BE (1)	BE905335A (fr)
DE (1)	DE3627431C2 (fr)
ES (1)	ES2001587A6 (fr)
FR (1)	FR2586850B1 (fr)
GB (1)	GB2179594B (fr)
IT (1)	IT1198020B (fr)
NL (1)	NL193805C (fr)
SE (1)	SE468162B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2201340A (en) *	1986-12-20	1988-09-01	Jenaro Limited	Furnishing arrangement
AT406606B (de) *	1988-07-14	2000-07-25	Greiner Schaumstoffwerk	Formteil aus schaumstoffplatten
GB9101353D0 (en) *	1991-01-22	1991-03-06	Short Brothers Plc	Noise attenuation panel
ES2039162B1 (es) *	1992-01-21	1996-11-16	Barracuda Tech Ab	Material de amortiguamiento de sonido para uso submarino.
DE4415586C1 (de)	1994-05-03	1996-02-08	Stankiewicz Gmbh	Verfahren zur Herstellung eines Verbundschaums aus Schaumflocken, Verbundschaum sowie Verwendungen dieses Verbundschaumes
USD437259S1 (en)	1998-07-24	2001-02-06	Ingersoll-Rand Company	Enclosure module for a portable machine
GB2342895B (en) *	1998-07-24	2002-04-03	Ingersoll Rand Co	Enclosure for a portable machine
USD437806S1 (en)	1998-07-24	2001-02-20	Ingersoll-Rand Company	Enclosure for a portable machine
USD437260S1 (en)	1998-07-24	2001-02-06	Ingersoll-Rand Company	Enclosure module for a portable machine
GB9923908D0 (en) *	1999-10-08	1999-12-08	Thorstone Business Man Ltd	Foam laminates
DE102005040865A1 (de) *	2005-08-29	2007-03-01	Webasto Ag	Speicher für Kälte oder Wärme und Verfahren zum Befestigen eines Speichers für Kälte oder Wärme in einem Kraftfahrzeug
CN104074905A (zh) *	2014-06-23	2014-10-01	刘刚凌	一种汽车减震器的隔音装置
DE202014006987U1 (de) *	2014-09-01	2015-09-03	Reinz-Dichtungs-Gmbh	Hitzeschild und mit einem derartigen Hitzeschild abgeschirmtes Bauteil
DE102016009511A1 (de) *	2016-08-04	2018-02-08	Audi Ag	Schalldämpfungsbauteil aus Kunststoff für ein Kraftfahrzeug und Herstellverfahren
DE102017105679B4 (de)	2017-03-16	2025-02-06	Webasto SE	Dachschale mit Akustikdämmschicht
CN109024951B (zh) *	2018-07-26	2019-12-10	王菊英	一种隔除噪音装置
FR3088132A1 (fr) *	2018-11-03	2020-05-08	Luc Lanier	Panneau acoustique ductile
DE102020131363A1 (de)	2020-10-13	2022-04-14	Aco Ahlmann Se & Co. Kg	Bauprodukt und Verfahren
FR3141903A1 (fr) *	2022-11-15	2024-05-17	Psa Automobiles Sa	Panneau d’insonorisation pour capot avant de véhicule automobile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1532629A (en) *	1975-11-11	1978-11-15	Textile Bonding Ltd	Laminated materials
FR2420080A1 (fr) *	1978-03-14	1979-10-12	Ciat Sa	Perfectionnements aux dispositifs d'amortissement phonique notamment pour canalisations d'air ou autre gaz
FR2447802A1 (fr) *	1979-01-30	1980-08-29	Roth Sa Freres	Procede de fabrication d'un materiau d'absorption phonique et materiau ainsi obtenu
US4430286A (en) *	1980-07-14	1984-02-07	Celotex Corporation	Variable density board having improved thermal and acoustical properties and method and apparatus for producing same
DE3334273A1 (de) *	1982-09-25	1984-03-29	Audi Nsu Auto Union Ag, 7107 Neckarsulm	Schalldaemmauskleidung
AU559367B2 (en) *	1983-01-20	1987-03-05	Illbruck Gmbh	Acoustic absorption for alveolar material
JPS6056256B2 (ja) *	1983-04-11	1985-12-09	防衛庁技術研究本部長	エンジン内貼り用吸音体

1986
- 1986-08-07 SE SE8603348A patent/SE468162B/sv not_active IP Right Cessation
- 1986-08-08 IT IT8621458A patent/IT1198020B/it active
- 1986-08-13 GB GB8619750A patent/GB2179594B/en not_active Expired - Lifetime
- 1986-08-13 DE DE3627431A patent/DE3627431C2/de not_active Expired - Fee Related
- 1986-08-21 NL NL8602132A patent/NL193805C/nl not_active IP Right Cessation
- 1986-08-26 FR FR868612086A patent/FR2586850B1/fr not_active Expired
- 1986-08-26 ES ES8601356A patent/ES2001587A6/es not_active Expired
- 1986-08-27 BE BE0/217087A patent/BE905335A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
ES2001587A6 (es)	1988-06-01
NL193805B (nl)	2000-07-03
GB8619750D0 (en)	1986-09-24
NL8602132A (nl)	1987-03-16
IT8621458A0 (it)	1986-08-08
BE905335A (fr)	1986-12-16
GB2179594A (en)	1987-03-11
FR2586850B1 (fr)	1989-12-22
GB2179594B (en)	1990-02-21
SE8603348D0 (sv)	1986-08-07
FR2586850A1 (fr)	1987-03-06
IT8621458A1 (it)	1988-02-08
DE3627431A1 (de)	1987-03-05
SE8603348L (sv)	1987-02-28
NL193805C (nl)	2000-11-06
IT1198020B (it)	1988-12-21
DE3627431C2 (de)	1995-12-07

Legal Events

Date

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Title

Description

1995-01-31

NAL

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Patent has lapsed

Publication	Publication Date	Title
SE468162B (sv)	1992-11-16	Sjaelvbaerande sandwichartat ljudisoleringselement samt foerfarande foer dess framstaellning
US7000729B2 (en)	2006-02-21	Five-layer sound absorbing pad: improved acoustical absorber
CN103098122B (zh)	2014-11-05	宽频带吸声器
US5258585A (en)	1993-11-02	Insulating laminate
US5536556A (en)	1996-07-16	Insulating laminate
US4461796A (en)	1984-07-24	Sound damping materials
JP3304264B2 (ja)	2002-07-22	自動車用車体パネルインシュレータ
US4584232A (en)	1986-04-22	Foam material sound absorption
US4374172A (en)	1983-02-15	Sound insulating material
DE2732483C3 (de)	1985-05-15	Verfahren zur Schalldämmung und -dämpfung von schallabstrahlenden Flächen sowie dafür geeignete Verkleidung
EP1955899A1 (fr)	2008-08-13	Amortissement de couches contraintes pour véhicule
JP2821899B2 (ja)	1998-11-05	遮音構造体及びその製造方法
US20060289231A1 (en)	2006-12-28	Acoustic absorber/barrier composite
JP2004508237A (ja)	2004-03-18	騒音低減効果の大きいフロアカバー
JPH0349749B2 (fr)	1991-07-30
JPH01122753A (ja)	1989-05-16	エアバッグ収納ケース
WO2005124044A1 (fr)	2005-12-29	Stratifie acoustique
JPH11245320A (ja)	1999-09-14	吸音材、吸音材の成形方法、および遮蔽カバー
JP2002194886A (ja)	2002-07-10	床暖房機能付き防音床材用のマット材
DE7722545U1 (de)	1977-10-20	Formteil als Ve rkleidung für die Schalldämmung und -dämpfung von schaUabstrahtenden Flächen
JPH1177887A (ja)	1999-03-23	複合シートとその製造法
JP3006967B2 (ja)	2000-02-07	車両用防音材
DE10344036B4 (de)	2005-09-15	Vorrichtung zur Schalldämpfung bei Kraftfahrzeugen
JPH06344486A (ja)	1994-12-20	遮音構造体とその製造方法
JPH0454576B2 (fr)	1992-08-31