FR2353392A1 - LAMINATED ELEMENT FOR SOUND ABSORPTION - Google Patents

LAMINATED ELEMENT FOR SOUND ABSORPTION

Info

Publication number
FR2353392A1
FR2353392A1 FR7716896A FR7716896A FR2353392A1 FR 2353392 A1 FR2353392 A1 FR 2353392A1 FR 7716896 A FR7716896 A FR 7716896A FR 7716896 A FR7716896 A FR 7716896A FR 2353392 A1 FR2353392 A1 FR 2353392A1
Authority
FR
France
Prior art keywords
sound absorption
laminated element
laminated
sound
absorption
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
FR7716896A
Other languages
French (fr)
Other versions
FR2353392B1 (en
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.)
Becker Wilhelm AB
Original Assignee
Becker Wilhelm AB
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 Becker Wilhelm AB filed Critical Becker Wilhelm AB
Publication of FR2353392A1 publication Critical patent/FR2353392A1/en
Application granted granted Critical
Publication of FR2353392B1 publication Critical patent/FR2353392B1/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
    • B32B5/26—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 another layer next to it also being fibrous or filamentary
    • 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
    • B32B3/10—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 discontinuous layer, i.e. formed of separate pieces of 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary 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
    • B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
    • B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary 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
    • 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
    • B32B3/266—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 characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • 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
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56—Damping, energy absorption
    • 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)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)
  • Exhaust Silencers (AREA)
FR7716896A 1976-06-03 1977-06-02 LAMINATED ELEMENT FOR SOUND ABSORPTION Granted FR2353392A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7606268A SE402142B (en) 1976-06-03 1976-06-03 LAMINATED SOUND ABSORBENT

Publications (2)

Publication Number Publication Date
FR2353392A1 true FR2353392A1 (en) 1977-12-30
FR2353392B1 FR2353392B1 (en) 1982-09-17

Family

ID=20328123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7716896A Granted FR2353392A1 (en) 1976-06-03 1977-06-02 LAMINATED ELEMENT FOR SOUND ABSORPTION

Country Status (8)

Country Link
DE (1) DE2724172A1 (en)
DK (1) DK145310C (en)
FI (1) FI59134C (en)
FR (1) FR2353392A1 (en)
GB (1) GB1579897A (en)
IT (1) IT1084993B (en)
NO (1) NO149007C (en)
SE (1) SE402142B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0145122A1 (en) * 1983-11-17 1985-06-19 Imi-Tech Corporation Polyimide composite

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420750B (en) * 1978-11-17 1981-10-26 Ingemanssons Ingenjorsbyra Ab SOUND-INSULATING BUILDING ELEMENT WITH GREAT STUFF
SE424654B (en) * 1979-05-11 1982-08-02 Ifm Akustikbyran Ab hygienic absorbent
US4301890A (en) * 1979-12-06 1981-11-24 Lord Corporation Sound-absorbing panel
US4340129A (en) * 1980-05-01 1982-07-20 Cabot Corporation Acoustical laminate construction and attenuated systems comprising same
DE3219339C1 (en) * 1982-05-22 1983-02-03 Metzeler Schaum Gmbh, 8940 Memmingen Flat element for airborne sound absorption
DE9406667U1 (en) * 1994-04-21 1995-01-26 VÖWA Isoliermaterial GmbH, 86399 Bobingen Web made of heat-insulating material
DE19653850C2 (en) * 1996-12-21 1999-01-28 Daimler Benz Aerospace Airbus Wall element
FR2817995B1 (en) * 2000-12-08 2003-02-28 Cera ACOUSTIC ABSORPTION COMPLEX
DE10152759B4 (en) * 2001-10-29 2006-03-16 Johnson Controls Gmbh Cladding element for the interior of a vehicle
FR2856967B1 (en) * 2003-07-04 2005-11-18 Renault Sa SEPARATION PANEL OF TWO INNER COMPARTMENTS OF A VEHICLE
US20050031458A1 (en) * 2003-08-07 2005-02-10 Brashears Richard K. Portable air compressor
US7762790B2 (en) 2007-02-05 2010-07-27 Black & Decker Inc. Air compressor
GB2461909A (en) * 2008-07-17 2010-01-20 South Bank Univ Entpr Ltd Sound absorbing device
AT507116B1 (en) * 2008-07-18 2010-09-15 Big Bau Und Immobilienges M B NOISE ELEMENT
AU2010310882B2 (en) * 2009-10-21 2011-11-24 Bellmax Acoustic Pty Ltd Acoustic panel
WO2012006663A1 (en) * 2010-07-13 2012-01-19 Bellmax Acoustic Pty Ltd An acoustic panel
FR2989814B1 (en) * 2012-04-20 2015-05-01 Aircelle Sa THIN ACOUSTIC WAVE ABSORPTION PANEL EMITTED BY AN AIRCRAFT NACELLE TURBOJET, AND NACELLE EQUIPPED WITH SUCH A PANEL
CN104594515A (en) * 2014-12-05 2015-05-06 城林环保技术（上海）有限公司 Novel sound absorbing and attenuating board
RU2018146623A (en) * 2018-12-26 2020-06-26 3М Инновейтив Пропертиз Компани ACOUSTIC PRODUCT, METHOD OF ITS PRODUCTION AND APPLICATION

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2081952A (en) * 1934-12-17 1937-06-01 Johns Manville Acoustical construction
US3380206A (en) * 1965-09-29 1968-04-30 Soundlock Corp Lay-in acoustical ceiling panel with flexible diaphragms
DE2001202A1 (en) * 1970-01-13 1971-09-02 Wilhelmi Holzwerk Composite sound insulating panels with vary- - ing zone density
FR2261584A1 (en) * 1974-02-20 1975-09-12 Freudenberg Carl

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002939B (en) * 1953-12-30 1957-02-21 Dr Friedrich Karl Schroeder Sound absorbing device made of a porous absorbent layer and a thin cover layer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2081952A (en) * 1934-12-17 1937-06-01 Johns Manville Acoustical construction
US3380206A (en) * 1965-09-29 1968-04-30 Soundlock Corp Lay-in acoustical ceiling panel with flexible diaphragms
DE2001202A1 (en) * 1970-01-13 1971-09-02 Wilhelmi Holzwerk Composite sound insulating panels with vary- - ing zone density
FR2261584A1 (en) * 1974-02-20 1975-09-12 Freudenberg Carl

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0145122A1 (en) * 1983-11-17 1985-06-19 Imi-Tech Corporation Polyimide composite

Also Published As

Publication number Publication date
FI771727A (en) 1977-12-04
SE402142B (en) 1978-06-19
IT1084993B (en) 1985-05-28
SE7606268L (en) 1977-12-04
DE2724172A1 (en) 1977-12-15
DK241177A (en) 1977-12-04
GB1579897A (en) 1980-11-26
NO149007B (en) 1983-10-17
DK145310B (en) 1982-10-25
FI59134B (en) 1981-02-27
DK145310C (en) 1983-03-14
NO149007C (en) 1986-04-22
FR2353392B1 (en) 1982-09-17
FI59134C (en) 1981-06-10
NO771856L (en) 1977-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse