BE873517A - ADVANCED ACOUSTIC SCREENS AND SANDWICHES CONTAINING SUCH SCREENS - Google Patents

ADVANCED ACOUSTIC SCREENS AND SANDWICHES CONTAINING SUCH SCREENS

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
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/en

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 ADVANCED ACOUSTIC SCREENS AND SANDWICHES CONTAINING SUCH SCREENS BE873517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7801220A FR2414771A1 (en) 1978-01-17 1978-01-17 Acoustically insulating laminate for coachwork and building walls - is highly efficient, light in weight and uniform in thickness (BE 17.7.79)

Publications (1)

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

Family

ID=9203544

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/57549A BE873517A (en) 1978-01-17 1979-01-17 ADVANCED ACOUSTIC SCREENS AND SANDWICHES CONTAINING SUCH SCREENS

Country Status (4)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878589A3 (en) * 1997-05-14 2000-03-29 Arne Petersohn Method for manufactoring a sound absorbing element for buildings
DE10128207A1 (en) * 2001-06-11 2002-12-12 Alveo Ag Luzern Acoustic insulation to absorb atmospheric noise, has an air impermeable film welded to an air permeable film without adhesive, and structured to form chambers by heat and deep drawing
IT1392453B1 (en) * 2008-12-18 2012-03-09 Ugolini ECOLOGICAL INSULATING WOODEN PANEL WITH ORIENTED LAMINES COUPLED WITH A COTTON FABRIC BRAIDED WITH COPPER FILAMENTS DESIGNED FOR BOTH STRUCTURAL APPLICATIONS IN VARIOUS GENUINE AND HIGH ENERGY SAVINGS

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 (en) * 1950-12-06 1952-04-17 Triangeler Torf Und Leichtbaup Sound-absorbing or damper plate with a damping or. Insulation layer made of long-fiber fabrics
GB1412926A (en) * 1973-06-15 1975-11-05 Messerschmitt Boelkow Blohm Structures of sandwich construction

Also Published As

Publication number Publication date
DE2901469A1 (en) 1979-07-19
FR2414771A1 (en) 1979-08-10
IT7919351A0 (en) 1979-01-17
FR2414771B1 (en) 1983-01-28
IT1110803B (en) 1986-01-06

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