FR2480741A1 - Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication - Google Patents

Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication Download PDF

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Publication number
FR2480741A1
FR2480741A1 FR8008728A FR8008728A FR2480741A1 FR 2480741 A1 FR2480741 A1 FR 2480741A1 FR 8008728 A FR8008728 A FR 8008728A FR 8008728 A FR8008728 A FR 8008728A FR 2480741 A1 FR2480741 A1 FR 2480741A1
Authority
FR
France
Prior art keywords
layer
porous layer
flexible fabric
process according
rigid
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
FR8008728A
Other languages
English (en)
French (fr)
Other versions
FR2480741B1 (enExample
Inventor
Guy Briens
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.)
Airbus Group SAS
Original Assignee
Airbus Group SAS
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 Airbus Group SAS filed Critical Airbus Group SAS
Priority to FR8008728A priority Critical patent/FR2480741A1/fr
Priority to US06/226,932 priority patent/US4390584A/en
Priority to ES501708A priority patent/ES501708A0/es
Priority to CA000375231A priority patent/CA1162729A/fr
Priority to EP81400588A priority patent/EP0038746B1/fr
Priority to DE8181400588T priority patent/DE3174760D1/de
Priority to JP5726481A priority patent/JPS56164841A/ja
Publication of FR2480741A1 publication Critical patent/FR2480741A1/fr
Application granted granted Critical
Publication of FR2480741B1 publication Critical patent/FR2480741B1/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
    • 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
    • B32B3/12—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 characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D24/00—Producing articles with hollow walls
    • B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
    • B29D24/005—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having joined ribs, e.g. honeycomb
    • 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
    • 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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/38—Meshes, lattices or nets
    • 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
    • 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
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/748—Honeycomb materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Woven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)
  • Reinforced Plastic Materials (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR8008728A 1980-04-18 1980-04-18 Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication Granted FR2480741A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8008728A FR2480741A1 (fr) 1980-04-18 1980-04-18 Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication
US06/226,932 US4390584A (en) 1980-04-18 1981-01-21 Process for making a perforated rigid sheet material for sound absorbing composite cellular structure
ES501708A ES501708A0 (es) 1980-04-18 1981-04-07 Procedimiento para la realizacion de una capa porosa desti- nada a la absorcion de energia sonora y capa obtenida con dicho procedimiento
CA000375231A CA1162729A (fr) 1980-04-18 1981-04-10 Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication
EP81400588A EP0038746B1 (fr) 1980-04-18 1981-04-13 Couche poreuse pour structure composite destinée à l'absorption d'énergie sonore et son procédé de fabrication
DE8181400588T DE3174760D1 (en) 1980-04-18 1981-04-13 Porous layer used in composite sound absorbing structures and process for making it
JP5726481A JPS56164841A (en) 1980-04-18 1981-04-17 Manufacture of porous layer of sound absorbing composite structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8008728A FR2480741A1 (fr) 1980-04-18 1980-04-18 Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication

Publications (2)

Publication Number Publication Date
FR2480741A1 true FR2480741A1 (fr) 1981-10-23
FR2480741B1 FR2480741B1 (enExample) 1982-03-26

Family

ID=9241067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8008728A Granted FR2480741A1 (fr) 1980-04-18 1980-04-18 Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication

Country Status (7)

Country Link
US (1) US4390584A (enExample)
EP (1) EP0038746B1 (enExample)
JP (1) JPS56164841A (enExample)
CA (1) CA1162729A (enExample)
DE (1) DE3174760D1 (enExample)
ES (1) ES501708A0 (enExample)
FR (1) FR2480741A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100025169A1 (it) * 2021-09-30 2023-03-30 Milani S R L Un assieme fonoassorbente

Families Citing this family (23)

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Publication number Priority date Publication date Assignee Title
US4427497A (en) * 1981-01-19 1984-01-24 Rockwell International Corporation Method for making unitary, hollow structures
JPS58209791A (ja) * 1982-05-19 1983-12-06 シヨート・ブラザース・ピーエルシー 吸音パネル用正面シートおよびこれを製造する方法
FR2575699B1 (fr) * 1985-01-09 1987-05-22 Dassault Avions Capots resistant au feu, en particulier pour moteurs d'avions
DE3710416A1 (de) * 1987-03-28 1988-10-13 Messerschmitt Boelkow Blohm Verfahren zur herstellung eines wabenfoermigen kernes fuer eine leichtbau-verbundplatte
JPH02122923A (ja) * 1988-11-01 1990-05-10 Fuji Heavy Ind Ltd 複合材パネルおよびその製造方法
GB9014381D0 (en) * 1990-06-28 1990-08-22 Short Brothers Plc A composite structural component
FR2710874B1 (fr) * 1993-10-04 1995-12-22 Aerospatiale Matériau en feuille rigide et autoportant pour l'atténuation acoustique et panneau réalisé en un tel matériau.
JPH09508329A (ja) * 1994-01-26 1997-08-26 シング，ピーター サンドイッチ構造建築用材料
FR2735064B1 (fr) * 1995-06-09 1997-08-29 Aerospatiale Procede de fabrication d'une peau microporeuse en materiau composite
US6190602B1 (en) 1998-03-13 2001-02-20 Aztex, Inc. Method of manufacturing a perforated laminate
US6261675B1 (en) 1999-03-23 2001-07-17 Hexcel Corporation Core-crush resistant fabric and prepreg for fiber reinforced composite sandwich structures
AT408007B (de) * 1999-08-16 2001-08-27 Wimmer Peter Dipl Ing Bauplatte mit einem metallgewebe
FR2865309B1 (fr) * 2004-01-15 2006-09-08 Hurel Hispano Peau perforee pour element acoustique, element acoustique et procede de fabrication
DE102004039706B3 (de) * 2004-08-17 2005-12-22 Härle, Hans A., Dipl.-Ing. Vorrichtung zur akustischen und thermischen Abschirmung, Verwendung und Herstellungsverfahren
DE102008016066A1 (de) * 2008-03-28 2009-10-01 Airbus Deutschland Gmbh Verbundplatte
US8815368B2 (en) * 2010-02-15 2014-08-26 Mark Neitzke Composite sheet having a core having end walls and a mat with fibers
CN105332444B (zh) * 2015-11-25 2017-10-13 苏州富通高新材料科技股份有限公司 套管结构的保温墙
FR3049651B1 (fr) * 2016-04-04 2019-06-21 Airbus Operations Panneau acoustique pour nacelle d'aeronef et procede de fabrication du panneau acoustique.
US10720135B2 (en) * 2016-07-18 2020-07-21 The Boeing Company Acoustic panels that include multi-layer facesheets
CN106393832B (zh) * 2016-08-29 2018-04-17 浙江华生科技股份有限公司 一种机织拉丝气垫及其生产方法
CN106378973B (zh) * 2016-08-29 2018-12-18 浙江华生科技股份有限公司 一种碳纤维基布复合面料及其生产方法
USD1074220S1 (en) * 2020-10-16 2025-05-13 Figs, Inc. Fabric
USD998977S1 (en) * 2022-06-08 2023-09-19 Montblanc-Simplo Gmbh Sheet material

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US2521055A (en) * 1946-11-09 1950-09-05 Us Rubber Co Textile fabric
US3032462A (en) * 1955-11-04 1962-05-01 Scott Aviation Corp Process of making a diaphragm
US2977265A (en) * 1957-06-19 1961-03-28 Hexcel Products Inc Ceramic structure and method of making same
US3341211A (en) * 1963-04-01 1967-09-12 Garlock Inc Packing rings and method of making them
BE654719A (enExample) * 1963-10-22 1900-01-01
US3649430A (en) * 1965-10-21 1972-03-14 American Cyanamid Co Vibration damping laminates
US3502171A (en) * 1968-05-31 1970-03-24 Boeing Co Composite laminar structure for noise attenuation of fast moving gas streams,and method of making the same
US3594262A (en) * 1968-07-24 1971-07-20 Herbert Magidson Sheet material
GB1274871A (en) * 1969-01-24 1972-05-17 Rolls Royce Sound absorptive material
GB1311202A (en) * 1970-04-02 1973-03-28 Secr Defence Composite material structuralarticles
US3870580A (en) * 1971-02-25 1975-03-11 Jack T Belcher Method of manufacturing of a fiber reinforced structure and method of manufacture
US3778334A (en) * 1971-04-20 1973-12-11 Du Pont High modulus organic fiber layers alternating with inorganic fiber layers in a resin matrix
JPS484964U (enExample) * 1971-06-04 1973-01-20
FR2147352A5 (enExample) * 1971-07-23 1973-03-09 Saint Gobain
US3756346A (en) * 1972-07-03 1973-09-04 Hitco Acoustical panel
US4090002A (en) * 1973-04-16 1978-05-16 Jesse Rosenblum Reinforced fiber structures and method of making the same
GB1471889A (en) * 1973-06-08 1977-04-27 Hattum Blankevoort Bv Van Sound muffling laminate
US4107363A (en) * 1975-01-14 1978-08-15 The United States Of America As Represented By The Administrator, National Aeronautics And Space Administration Lightweight electrically-powered flexible thermal laminate
US4020226A (en) * 1975-04-23 1977-04-26 Andrianov Kuzma A Fibrous friction material
FR2312369A1 (fr) * 1975-05-26 1976-12-24 Dassault Avions Structure poreuse
US4082882A (en) * 1975-08-13 1978-04-04 Delta Truck Body Company, Inc. Fiberglass reinforced plywood structural sandwich with acrylic facing on one or both sides thereof
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100025169A1 (it) * 2021-09-30 2023-03-30 Milani S R L Un assieme fonoassorbente
EP4159946A1 (en) * 2021-09-30 2023-04-05 Milani S.r.l. A sound-absorbing assembly

Also Published As

Publication number Publication date
DE3174760D1 (en) 1986-07-10
FR2480741B1 (enExample) 1982-03-26
EP0038746B1 (fr) 1986-06-04
ES8207107A1 (es) 1982-09-16
ES501708A0 (es) 1982-09-16
CA1162729A (fr) 1984-02-28
EP0038746A1 (fr) 1981-10-28
JPS56164841A (en) 1981-12-18
JPS6312765B2 (enExample) 1988-03-22
US4390584A (en) 1983-06-28

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