FR2414771A1 - Perfectionnements aux ecrans acoustiques - Google Patents

Perfectionnements aux ecrans acoustiques

Info

Publication number
FR2414771A1
FR2414771A1 FR7801220A FR7801220A FR2414771A1 FR 2414771 A1 FR2414771 A1 FR 2414771A1 FR 7801220 A FR7801220 A FR 7801220A FR 7801220 A FR7801220 A FR 7801220A FR 2414771 A1 FR2414771 A1 FR 2414771A1
Authority
FR
France
Prior art keywords
layer
coachwork
uniform
thickness
weight
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.)
Granted
Application number
FR7801220A
Other languages
English (en)
French (fr)
Other versions
FR2414771B1 (enrdf_load_stackoverflow
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.)
Matec Holding AG
Original Assignee
Matec Holding 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 Matec Holding AG filed Critical Matec Holding AG
Priority to FR7801220A priority Critical patent/FR2414771A1/fr
Priority to DE19792901469 priority patent/DE2901469A1/de
Priority to BE2/57549A priority patent/BE873517A/xx
Priority to IT19351/79A priority patent/IT1110803B/it
Publication of FR2414771A1 publication Critical patent/FR2414771A1/fr
Application granted granted Critical
Publication of FR2414771B1 publication Critical patent/FR2414771B1/fr
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
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • 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
    • 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
    • B32B2419/00—Buildings or parts thereof
    • 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
    • B32B2605/08—Cars

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR7801220A 1978-01-17 1978-01-17 Perfectionnements aux ecrans acoustiques Granted FR2414771A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7801220A FR2414771A1 (fr) 1978-01-17 1978-01-17 Perfectionnements aux ecrans acoustiques
DE19792901469 DE2901469A1 (de) 1978-01-17 1979-01-16 Akustisch isolierende abschirmung und schichtanordnung aus dieser abschirmung
BE2/57549A BE873517A (fr) 1978-01-17 1979-01-17 Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecrans
IT19351/79A IT1110803B (it) 1978-01-17 1979-01-17 Schermo destinato a rinforzare l'isolamento acustico di una parete rigida,in particolare di una lamiera posta tra un motore di autoveicolo e l'abitacolo,oppure un soffitto o muro

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7801220A FR2414771A1 (fr) 1978-01-17 1978-01-17 Perfectionnements aux ecrans acoustiques

Publications (2)

Publication Number Publication Date
FR2414771A1 true FR2414771A1 (fr) 1979-08-10
FR2414771B1 FR2414771B1 (enrdf_load_stackoverflow) 1983-01-28

Family

ID=9203544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801220A Granted FR2414771A1 (fr) 1978-01-17 1978-01-17 Perfectionnements aux ecrans acoustiques

Country Status (4)

Country Link
BE (1) BE873517A (enrdf_load_stackoverflow)
DE (1) DE2901469A1 (enrdf_load_stackoverflow)
FR (1) FR2414771A1 (enrdf_load_stackoverflow)
IT (1) IT1110803B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878589A3 (de) * 1997-05-14 2000-03-29 Arne Petersohn Verfahren zum Herstellen eines Schallschultzelementes für Bauten
ITBZ20080054A1 (it) * 2008-12-18 2010-06-19 Paolo Ugolini Pannello ecologico isolante in legno a lamine orientate accoppiato con un tessuto in cotone intrecciato con filamenti in rame concepito sia per applicazioni strutturali in vario genere che industriali ad elevato risparmio energetico

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10128207A1 (de) * 2001-06-11 2002-12-12 Alveo Ag Luzern Wiederverwertbares, Luftschall absorbierendes Formteil und Verfahren zu seiner Herstellung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2057731A (en) * 1931-01-03 1936-10-20 Celotex Corp Sound absorbing material
DE837014C (de) * 1950-12-06 1952-04-17 Triangeler Torf Und Leichtbaup Schallschluck- oder Daemmplatte mit einer Daempfungs-bzw. Daemmschicht aus langfaserigen Stoffen
GB1412926A (en) * 1973-06-15 1975-11-05 Messerschmitt Boelkow Blohm Structures of sandwich construction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2057731A (en) * 1931-01-03 1936-10-20 Celotex Corp Sound absorbing material
DE837014C (de) * 1950-12-06 1952-04-17 Triangeler Torf Und Leichtbaup Schallschluck- oder Daemmplatte mit einer Daempfungs-bzw. Daemmschicht aus langfaserigen Stoffen
GB1412926A (en) * 1973-06-15 1975-11-05 Messerschmitt Boelkow Blohm Structures of sandwich construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878589A3 (de) * 1997-05-14 2000-03-29 Arne Petersohn Verfahren zum Herstellen eines Schallschultzelementes für Bauten
ITBZ20080054A1 (it) * 2008-12-18 2010-06-19 Paolo Ugolini Pannello ecologico isolante in legno a lamine orientate accoppiato con un tessuto in cotone intrecciato con filamenti in rame concepito sia per applicazioni strutturali in vario genere che industriali ad elevato risparmio energetico
EP2363545A3 (en) * 2008-12-18 2011-12-07 Paolo Ugolini Ecological panel for energy saving

Also Published As

Publication number Publication date
DE2901469A1 (de) 1979-07-19
IT1110803B (it) 1986-01-06
FR2414771B1 (enrdf_load_stackoverflow) 1983-01-28
BE873517A (fr) 1979-07-17
IT7919351A0 (it) 1979-01-17

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Legal Events

Date Code Title Description
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