BE873517A - Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecrans - Google Patents

Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecrans

Info

Publication number
BE873517A
BE873517A BE2/57549A BE2057549A BE873517A BE 873517 A BE873517 A BE 873517A BE 2/57549 A BE2/57549 A BE 2/57549A BE 2057549 A BE2057549 A BE 2057549A BE 873517 A BE873517 A BE 873517A
Authority
BE
Belgium
Prior art keywords
screens
advanced acoustic
sandwiches containing
sandwiches
advanced
Prior art date
Application number
BE2/57549A
Other languages
English (en)
French (fr)
Inventor
R Vignal
G Ferrand
Original Assignee
Matec Holding
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 filed Critical Matec Holding
Publication of BE873517A publication Critical patent/BE873517A/xx

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)
BE2/57549A 1978-01-17 1979-01-17 Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecrans BE873517A (fr)

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 (1)

Publication Number Publication Date
BE873517A true BE873517A (fr) 1979-07-17

Family

ID=9203544

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/57549A BE873517A (fr) 1978-01-17 1979-01-17 Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecrans

Country Status (4)

Country Link
BE (1) BE873517A (US07923587-20110412-C00001.png)
DE (1) DE2901469A1 (US07923587-20110412-C00001.png)
FR (1) FR2414771A1 (US07923587-20110412-C00001.png)
IT (1) IT1110803B (US07923587-20110412-C00001.png)

Families Citing this family (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
DE10128207A1 (de) * 2001-06-11 2002-12-12 Alveo Ag Luzern Wiederverwertbares, Luftschall absorbierendes Formteil und Verfahren zu seiner Herstellung
IT1392453B1 (it) * 2008-12-18 2012-03-09 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

Family Cites Families (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

Also Published As

Publication number Publication date
DE2901469A1 (de) 1979-07-19
FR2414771A1 (fr) 1979-08-10
IT7919351A0 (it) 1979-01-17
FR2414771B1 (US07923587-20110412-C00001.png) 1983-01-28
IT1110803B (it) 1986-01-06

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