DE3174760D1 - Porous layer used in composite sound absorbing structures and process for making it - Google Patents

Porous layer used in composite sound absorbing structures and process for making it

Info

Publication number
DE3174760D1
DE3174760D1 DE8181400588T DE3174760T DE3174760D1 DE 3174760 D1 DE3174760 D1 DE 3174760D1 DE 8181400588 T DE8181400588 T DE 8181400588T DE 3174760 T DE3174760 T DE 3174760T DE 3174760 D1 DE3174760 D1 DE 3174760D1
Authority
DE
Germany
Prior art keywords
making
porous layer
sound absorbing
layer used
composite sound
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.)
Expired
Application number
DE8181400588T
Other languages
English (en)
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
Application granted granted Critical
Publication of DE3174760D1 publication Critical patent/DE3174760D1/de
Expired 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 form; Layered products 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 form; Layered products 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 form; Layered products 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 form; Layered products 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 form; Layered products 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
DE8181400588T 1980-04-18 1981-04-13 Porous layer used in composite sound absorbing structures and process for making it Expired DE3174760D1 (en)

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 (1)

Publication Number Publication Date
DE3174760D1 true DE3174760D1 (en) 1986-07-10

Family

ID=9241067

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181400588T Expired DE3174760D1 (en) 1980-04-18 1981-04-13 Porous layer used in composite sound absorbing structures and process for making it

Country Status (7)

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

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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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.
AU697396B2 (en) * 1994-01-26 1998-10-08 Peter Sing Sandwich construction building materials
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
IT202100025169A1 (it) * 2021-09-30 2023-03-30 Milani S R L Un assieme fonoassorbente
USD998977S1 (en) * 2022-06-08 2023-09-19 Montblanc-Simplo Gmbh Sheet material

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (de) * 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 (de) * 1971-06-04 1973-01-20
FR2147352A5 (de) * 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
US4091160A (en) * 1976-03-31 1978-05-23 Rohr Industries, Inc. Acoustical laminate
JPS5437719A (en) * 1977-08-30 1979-03-20 Mitsubishi Electric Corp Diaphragm for speakers
US4247347A (en) * 1979-03-19 1981-01-27 Lischer James F Process for molding cloth including a fabric layer by heating to at least the greater of the set or softening temperature the stitches thereof having never been set, and molding a cloth covered foam filled product
US4291794A (en) * 1979-10-10 1981-09-29 The B. F. Goodrich Company Power transmission and energy absorbing systems

Also Published As

Publication number Publication date
ES8207107A1 (es) 1982-09-16
EP0038746B1 (de) 1986-06-04
JPS6312765B2 (de) 1988-03-22
FR2480741B1 (de) 1982-03-26
US4390584A (en) 1983-06-28
EP0038746A1 (de) 1981-10-28
ES501708A0 (es) 1982-09-16
FR2480741A1 (fr) 1981-10-23
JPS56164841A (en) 1981-12-18
CA1162729A (fr) 1984-02-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition