JP2011521300A5 - - Google Patents

Download PDF

Info

Publication number
JP2011521300A5
JP2011521300A5 JP2011510555A JP2011510555A JP2011521300A5 JP 2011521300 A5 JP2011521300 A5 JP 2011521300A5 JP 2011510555 A JP2011510555 A JP 2011510555A JP 2011510555 A JP2011510555 A JP 2011510555A JP 2011521300 A5 JP2011521300 A5 JP 2011521300A5
Authority
JP
Japan
Prior art keywords
absorbing structure
sound
sound absorbing
micrometers
multilayer
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
JP2011510555A
Other languages
English (en)
Other versions
JP5762284B2 (ja
JP2011521300A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US2009/042937 external-priority patent/WO2009142906A2/en
Publication of JP2011521300A publication Critical patent/JP2011521300A/ja
Publication of JP2011521300A5 publication Critical patent/JP2011521300A5/ja
Application granted granted Critical
Publication of JP5762284B2 publication Critical patent/JP5762284B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (4)

  1. 多層吸音構造物であって、
    貫通マイクロボアを有する第１の微小穿孔フィルム、貫通マイクロボアを有する第２の微小穿孔フィルム、及び前記第１の微小穿孔フィルムと前記第２の微小穿孔フィルムとの間に挟まれたメッシュ層を有する、多層吸音構造物。
  2. 前記第１及び第２の微小穿孔フィルムのそれぞれが、（ａ）１０マイクロメートル〜２００マイクロメートルの範囲の貫通マイクロボア直径、（ｂ）０．１秒／１００ｃｃ〜３００秒／１００ｃのガーレー透気度、（ｃ）７７，５００個／平方メートル〜６，２００，０００個／平方メートルの貫通マイクロボア密度、（ｄ）１０マイクロメートル〜２５０マイクロメートルの厚さ、又は、（ｅ）（ａ）、（ｂ）、（ｃ）及び（ｄ）の任意の組み合わせを有する、請求項１に記載の多層吸音構造物。
  3. 前記メッシュ層が、（ａ）０．００１ｍｍ〜３０ｍｍの平均直径を有するメッシュ穴、（ｂ）５グラム／平方メートル〜１５００グラム／平方メートルの重量、又は、（ｃ）（ａ）及び（ｂ）の両方を有する、請求項１又は２に記載の多層吸音構造物。
  4. 吸音材であって、
    音反射面を含み、請求項１〜３のいずれか一項に記載の前記多層吸音構造物が、前記多層吸音構造物と前記音反射面との間に裏側空気層を有する状態で前記音反射面の近くに配置された、吸音材。
JP2011510555A 2008-05-22 2009-05-06 メッシュ層を含む多層吸音構造物 Expired - Fee Related JP5762284B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5526108P 2008-05-22 2008-05-22
US61/055,261 2008-05-22
PCT/US2009/042937 WO2009142906A2 (en) 2008-05-22 2009-05-06 Multilayer sound absorbing structure comprising mesh layer

Publications (3)

Publication Number Publication Date
JP2011521300A JP2011521300A (ja) 2011-07-21
JP2011521300A5 true JP2011521300A5 (ja) 2012-06-14
JP5762284B2 JP5762284B2 (ja) 2015-08-12

Family

ID=41340773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011510555A Expired - Fee Related JP5762284B2 (ja) 2008-05-22 2009-05-06 メッシュ層を含む多層吸音構造物

Country Status (7)

Country Link
US (1) US8573358B2 (ja)
EP (1) EP2283480A4 (ja)
JP (1) JP5762284B2 (ja)
KR (1) KR101709353B1 (ja)
CN (1) CN102089801B (ja)
BR (1) BRPI0913579A2 (ja)
WO (1) WO2009142906A2 (ja)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8469145B2 (en) * 2008-04-14 2013-06-25 3M Innovative Properties Company Multilayer sound absorbing sheet
WO2009131855A2 (en) * 2008-04-22 2009-10-29 3M Innovative Properties Company Hybrid sound absorbing sheet
DE102010035431A1 (de) * 2010-08-26 2012-03-01 Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung Breitbandiger Schallabsorber
US9029033B2 (en) * 2010-10-08 2015-05-12 GM Global Technology Operations LLC Composite end cell thermal barrier with an electrically conducting layer
CN103137118B (zh) 2011-11-30 2016-07-06 香港科技大学 声能吸收超材料
US8960365B2 (en) * 2011-11-30 2015-02-24 The Hong Kong University Of Science And Technology Acoustic and vibrational energy absorption metamaterials
CA2863757C (en) 2012-10-05 2021-02-16 Dirtt Environmental Solutions, Ltd. Modular walls with seismic-shiftability
CA2863783C (en) 2012-10-05 2021-02-16 Dirtt Environmental Solutions, Ltd. Center-mounted acoustical substrates
US9649831B2 (en) * 2012-10-05 2017-05-16 Dirtt Environmental Solutions, Ltd Perforated acoustic tiles
EP3216935B1 (en) 2012-10-05 2021-12-08 DIRTT Environmental Solutions, Ltd. Divider wall connection systems and methods
EP2989264B1 (en) * 2013-04-23 2021-10-20 Artex AB Sound dampening device
US9163398B2 (en) * 2013-05-17 2015-10-20 Purdue Research Foundation Sound barrier systems
USD755614S1 (en) 2013-11-20 2016-05-10 Dirtt Environmental Solutions, Ltd Flex bracket with knuckle
CN203792726U (zh) * 2013-11-22 2014-08-27 全耐塑料公司 预浸料制成的半成品及三维预成型体和包塑成型件
US9797680B2 (en) * 2013-12-13 2017-10-24 Rph Engineering Llc Secure storage systems and methods
DE102015201322B3 (de) * 2015-01-27 2015-12-31 Ford Global Technologies, Llc Laderaumabdeckung mit schallabsorbierenden Eigenschaften
DE102015201320A1 (de) 2015-01-27 2016-07-28 Ford Global Technologies, Llc Laderaumabdeckung mit schallabsorbierenden Eigenschaften
WO2016208507A1 (ja) * 2015-06-22 2016-12-29 富士フイルム株式会社 防音構造、ルーバーおよびパーティション
RU2648723C2 (ru) * 2015-08-19 2018-03-28 Мария Михайловна Стареева Объемный штучный звукопоглотитель
AU2015417853B2 (en) * 2015-12-22 2022-02-03 Razer (Asia-Pacific) Pte. Ltd. Mesh assemblies, computing systems, and methods for manufacturing a mesh assembly
WO2017170337A1 (ja) * 2016-03-29 2017-10-05 富士フイルム株式会社 防音構造、開口構造、筒状構造、窓部材および仕切り部材
WO2017216824A1 (ja) * 2016-06-14 2017-12-21 タイガースポリマー株式会社 エアクリーナ
CN111819653B (zh) 2017-07-24 2023-06-09 火花热离子学公司 小间隙设备系统及制造方法
JP6705780B2 (ja) * 2017-07-27 2020-06-03 富士フイルム株式会社 防音構造
US11027514B2 (en) * 2017-08-15 2021-06-08 The Trustees Of The University Of Pennsylvania Ultrathin hollow plates and their applications
CN107599522A (zh) * 2017-10-17 2018-01-19 烟台正海合泰科技股份有限公司 一种高吸音性能多孔复合材料的汽车内饰顶棚
US11059559B2 (en) 2018-03-05 2021-07-13 General Electric Company Acoustic liners with oblique cellular structures
US11047304B2 (en) 2018-08-08 2021-06-29 General Electric Company Acoustic cores with sound-attenuating protuberances
US10823059B2 (en) 2018-10-03 2020-11-03 General Electric Company Acoustic core assemblies with mechanically joined acoustic core segments, and methods of mechanically joining acoustic core segments
US11434819B2 (en) 2019-03-29 2022-09-06 General Electric Company Acoustic liners with enhanced acoustic absorption and reduced drag characteristics
US11791142B2 (en) * 2020-01-23 2023-10-17 Spark Thermionics, Inc. Small gap device system and method of fabrication
US11565615B2 (en) * 2020-04-28 2023-01-31 Global Ip Holdings, Llc Anti-microbial, partition divider assembly for a cart such as a golf cart
US11668236B2 (en) 2020-07-24 2023-06-06 General Electric Company Acoustic liners with low-frequency sound wave attenuating features
US11970992B2 (en) 2021-06-03 2024-04-30 General Electric Company Acoustic cores and tools and methods for forming the same
US11965425B2 (en) 2022-05-31 2024-04-23 General Electric Company Airfoil for a turbofan engine

Family Cites Families (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166149A (en) * 1965-01-19 Damped-resonator acoustical panels
US1833143A (en) * 1929-06-08 1931-11-24 Burgess Lab Inc C F Sound absorbing construction
GB451580A (en) * 1933-12-12 1936-08-07 Johns Manville Improvements in or relating to sound absorbing structures
US3177970A (en) * 1961-01-21 1965-04-13 Gomma Antivibranti Applic Sound-absorbing panels with tapered holes therethrough
US3214565A (en) * 1963-01-30 1965-10-26 Armstrong Cork Co Ceiling tile adapted for electrical heating and sound absorption
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
US3630312A (en) * 1969-11-07 1971-12-28 Rohr Corp Sound absorptive honeycomb sandwich panel with multilayer, porous, structural facing
US3910374A (en) * 1974-03-18 1975-10-07 Rohr Industries Inc Low frequency structural acoustic attenuator
US3948346A (en) * 1974-04-02 1976-04-06 Mcdonnell Douglas Corporation Multi-layered acoustic liner
US4128683A (en) * 1978-04-11 1978-12-05 Toyota Jidosha Kogyo Kabushiki Kaisha Auto ceiling panel and its manufacturing process
US4249976A (en) * 1979-04-04 1981-02-10 Grumman Aerospace Corporation Manufacture of honeycomb sandwich
DE2930123A1 (de) 1979-07-25 1981-02-12 Wilhelmi Holzwerk Schallschluckende bauplatte
US4294329A (en) * 1979-12-17 1981-10-13 Rohr Industries, Inc. Double layer attenuation panel with two layers of linear type material
US4271219A (en) * 1979-10-02 1981-06-02 Rohr Industries, Inc. Method of manufacturing an adhesive bonded acoustical attenuation structure and the resulting structure
GB2076049B (en) * 1980-05-17 1983-10-26 Rolls Royce Variable acoustic impedance lining
US4465725A (en) * 1982-07-15 1984-08-14 Rohr Industries, Inc. Noise suppression panel
US4433021A (en) * 1982-09-22 1984-02-21 Rohr Industries, Inc. Sound attenuation sandwich panel including barrier material for corrosion control
JPS6083365A (ja) 1983-10-13 1985-05-11 Nec Corp 半導体装置
JPS60135997A (ja) * 1983-12-26 1985-07-19 株式会社日立製作所 吸音材
US4743740A (en) * 1985-10-07 1988-05-10 Rohr Industries, Inc. Buried element deicer
US4671841A (en) * 1986-01-06 1987-06-09 Rohr Industries, Inc. Method of making an acoustic panel with a triaxial open-weave face sheet
US4828932A (en) * 1986-05-12 1989-05-09 Unix Corporation Ltd. Porous metallic material, porous structural material and porous decorative sound absorbing material, and methods for manufacturing the same
JPH0323319A (ja) 1989-06-19 1991-01-31 Nissan Motor Co Ltd 過給機付内燃機関の制御装置
US5022943A (en) * 1989-08-25 1991-06-11 Eften, Inc. Method of making thermoformably shaped fibreboard sandwich structures
JP2778754B2 (ja) 1989-09-22 1998-07-23 住友スリーエム株式会社 電磁遮蔽ガスケツトテープ
US5041323A (en) * 1989-10-26 1991-08-20 Rohr Industries, Inc. Honeycomb noise attenuation structure
US5192625A (en) * 1990-02-28 1993-03-09 General Electric Company Cobalt-base wrought alloy compositions and articles
JP2522604B2 (ja) * 1990-04-26 1996-08-07 株式会社ユニックス 吸音材およびその製造方法
JPH0437994A (ja) 1990-06-01 1992-02-07 Fujitsu Ltd 入出金機内の紙幣表裏反転制御処理方式
JP2840130B2 (ja) 1990-11-21 1998-12-24 日本碍子株式会社 吸音体
US5175401A (en) * 1991-03-18 1992-12-29 Grumman Aerospace Corporation Segmented resistance acoustic attenuating liner
CA2091288C (en) * 1992-03-13 1995-11-28 Toru Morimoto Membranous-vibration sound absorbing materials
JPH064398A (ja) 1992-06-22 1994-01-14 Mitsubishi Electric Corp 情報処理装置
JPH0659680A (ja) 1992-08-07 1994-03-04 Yunitsukusu:Kk 吸音構造体
US5364681A (en) * 1993-02-05 1994-11-15 Gencorp Inc. Acoustic lamina wall covering
DE4315759C1 (de) * 1993-05-11 1994-05-05 Fraunhofer Ges Forschung Schallabsorbierendes Glas- oder transparentes Kunstglasbauteil
JPH07213418A (ja) 1994-02-07 1995-08-15 Unix:Kk 吸音カーテンおよび吸音カーテン構造体
JP3072238B2 (ja) 1994-05-25 2000-07-31 株式会社ユニックス 吸音カーテンおよび吸音カーテン構造体ならびに吸音パネル
US5744763A (en) * 1994-11-01 1998-04-28 Toyoda Gosei Co., Ltd. Soundproofing insulator
FR2735166B1 (fr) * 1995-06-08 1997-08-29 Aerospatiale Procede de fabrication d'un panneau ou analogue a proprietes structurale et acoustique et panneau ainsi obtenu
FR2735093B1 (fr) * 1995-06-09 1997-08-29 Aerospatiale Panneau sandwich en materiau composite et procede de fabrication
JPH0913943A (ja) 1995-06-28 1997-01-14 Nippon Tokushu Toryo Co Ltd 断熱吸音材
JPH09217955A (ja) 1996-02-09 1997-08-19 Kucho Giken Kogyo Kk 吸音フレキシブルダクト
US5782082A (en) * 1996-06-13 1998-07-21 The Boeing Company Aircraft engine acoustic liner
DE19626676A1 (de) 1996-07-03 1998-01-08 Kaefer Isoliertechnik Vorrichtung zur Verminderung von Schallpegeln in Gebäuden
US5721402A (en) * 1996-09-09 1998-02-24 Northrop Grumman Corporation Noise suppression system for a jet engine
JPH1088689A (ja) 1996-09-12 1998-04-07 Nisshin Steel Co Ltd 吸音フィルムを部分的に貼り合わせた吸音構造体
JPH10222170A (ja) 1997-02-07 1998-08-21 Unix:Kk 膜振動吸音体および吸音方法
US5912442A (en) * 1997-07-02 1999-06-15 Trw Inc. Structure having low acoustically-induced vibration response
JPH1162047A (ja) 1997-08-20 1999-03-05 Tokai Rubber Ind Ltd 吸音シート
JP3108400B2 (ja) 1998-01-26 2000-11-13 住友特殊金属株式会社 耐食性のすぐれた永久磁石
DE19804718C2 (de) * 1998-02-06 2001-09-13 Eurocopter Deutschland Schall absorbierende Sandwichwand
JP2000020070A (ja) 1998-07-06 2000-01-21 Tamagawa Seni Kogyosho:Kk 吸音シート
US6617002B2 (en) * 1998-07-24 2003-09-09 Minnesota Mining And Manufacturing Company Microperforated polymeric film for sound absorption and sound absorber using same
US5997985A (en) * 1998-09-10 1999-12-07 Northrop Grumman Corporation Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films
JP2000144968A (ja) 1998-11-04 2000-05-26 Kawasaki Steel Corp 吸音材及び吸音パネル
EP1020846B1 (en) * 1999-01-14 2018-09-19 Nichias Corporation Sound absorbing structure
EP1149233B2 (de) * 1999-02-02 2008-09-10 Rieter Automotive (International) Ag Verfahren zum herstellen eines schallabsorbierenden isolationsteils und ein nach diesem verfahren hergestelltes isolationsteil
JP4037994B2 (ja) 1999-06-16 2008-01-23 アキレス株式会社 農業用合成樹脂製フィルム
JP2003507753A (ja) * 1999-08-11 2003-02-25 エイチピー−ケミー ペルザー リサーチ アンド ディベロップメント リミテッド 広い周波数範囲にわたって高い吸収効果を有する構成部品
JP2001132132A (ja) 1999-11-05 2001-05-15 Yoshino Gypsum Co Ltd 有孔吸音板及びその製造方法
US6345688B1 (en) * 1999-11-23 2002-02-12 Johnson Controls Technology Company Method and apparatus for absorbing sound
FR2803077B1 (fr) * 1999-12-24 2002-07-26 Aerospatiale Matra Airbus Procede de realisation d'une couche acoustiquement resistive, couche resistive obtenue et paroi utilisant une telle couche
HU223037B1 (hu) * 2000-04-17 2004-03-01 Rieter Automotive (International) Ag Eljárás akusztikailag hatékony fóliarakat előállítására
US6598701B1 (en) * 2000-06-30 2003-07-29 3M Innovative Properties Company Shaped microperforated polymeric film sound absorbers and methods of manufacturing the same
JP4186397B2 (ja) 2000-08-04 2008-11-26 松下電器産業株式会社 自動風呂装置
JP2002057488A (ja) 2000-08-11 2002-02-22 Unix:Kk 吸音特性と電磁波シールド特性を兼備した材料
JP2002082671A (ja) * 2000-09-06 2002-03-22 Nichias Corp 吸音構造体
AU2001284049A1 (en) * 2000-09-09 2002-03-22 Hp-Chemie Pelzer Research And Development Ltd. Floor covering with improved soundproofing properties
US6509081B1 (en) * 2000-09-28 2003-01-21 The Boeing Company No-septum acoustic sandwich panel, and apparatus and method for suppressing noise in a nozzle
FR2817994B1 (fr) * 2000-12-08 2003-02-28 Eads Airbus Sa Panneau acoustique sandwich
KR100561801B1 (ko) * 2001-05-22 2006-03-21 리이터 테크놀로지스 아게 흡음 보호 매트
WO2003001501A1 (fr) * 2001-06-21 2003-01-03 Kabushiki Kaisha Kobe Seiko Sho Corps structural insonorise poreux et procede de fabrication du corps structural
FR2838860B1 (fr) * 2002-04-17 2005-01-21 Airbus France Couche acoustiquement resistive multicomposant pour panneau d'attenuation acoustique et panneau ainsi obtenu
US6769512B2 (en) * 2002-08-02 2004-08-03 C.T.A. Acoustics Acoustical insulation laminate with polyolefin layer and process for making
JP2004126487A (ja) 2002-10-02 2004-04-22 Junsei:Kk ハニカム材層が空気層と発泡体層の複合構造層からなる吸音構造体
DE10253832A1 (de) * 2002-11-18 2004-05-27 Carcoustics Tech Center Gmbh Schallisolierender Hitzeschutzschild
JP2004264374A (ja) * 2003-02-24 2004-09-24 Kobe Steel Ltd 薄膜を用いた吸音構造
JP2004353294A (ja) * 2003-05-29 2004-12-16 Unix:Kk 透光型膜振動吸音板および透光型吸音パネル
US7588212B2 (en) * 2003-07-08 2009-09-15 Rohr Inc. Method and apparatus for noise abatement and ice protection of an aircraft engine nacelle inlet lip
DE10340011A1 (de) * 2003-08-29 2005-04-07 Bayerische Motoren Werke Ag Schalldämpfende Beschichtungen, Verfahren zu deren Herstellung und deren Verwendung
KR100787297B1 (ko) * 2003-09-05 2007-12-20 가부시키가이샤 고베 세이코쇼 흡음 구조체 및 그 제조 방법
JP3530522B1 (ja) 2003-10-17 2004-05-24 株式会社タケヒロ 超軽量な防音材
FR2862798B1 (fr) * 2003-11-21 2006-03-17 Snecma Moteurs Panneau insonorisant a billes et procede de realisation
JP4012141B2 (ja) * 2003-12-09 2007-11-21 株式会社小森コーポレーション 版排出装置
JP2005173398A (ja) * 2003-12-12 2005-06-30 Nakanishi Metal Works Co Ltd 吸音装置
DE20319319U1 (de) * 2003-12-12 2005-04-28 Carcoustics Tech Center Gmbh Schallabsorbierendes Hitzeschild
FR2865309B1 (fr) * 2004-01-15 2006-09-08 Hurel Hispano Peau perforee pour element acoustique, element acoustique et procede de fabrication
JP2005283703A (ja) 2004-03-29 2005-10-13 Inoac Corp 吸音材
EP1742201A4 (en) * 2004-04-30 2017-07-19 Kabushiki Kaisha Kobe Seiko Sho Porous sound absorbing structure
ES2245240B1 (es) 2004-06-03 2007-03-16 Consejo Sup. Investig. Cientificas. Unidades de insercion microperforadas para su uso como absorbentes acusticos.
JP2006047628A (ja) 2004-08-04 2006-02-16 Toyobo Co Ltd 吸音断熱材
KR100884781B1 (ko) * 2004-09-15 2009-02-23 카즈오 우에지마 음향기기용 매트
DE102004053751A1 (de) * 2004-11-06 2006-05-11 Seeber Ag & Co. Kg Akustik-Verkleidungsteil für ein Fahrzeug
JP2006153926A (ja) 2004-11-25 2006-06-15 Bridgestone Kbg Co Ltd 複合吸音構造体
JP2006323204A (ja) 2005-05-19 2006-11-30 Bridgestone Kbg Co Ltd 複層吸音構造体
DE102005027314A1 (de) * 2005-06-13 2006-12-14 Müller, Ulrich, Dr.-Ing. Verfahren zur Herstellung eines Leichtbaubleches
JP2007127908A (ja) 2005-11-04 2007-05-24 Achilles Corp 吸音フィルム
US7923668B2 (en) * 2006-02-24 2011-04-12 Rohr, Inc. Acoustic nacelle inlet lip having composite construction and an integral electric ice protection heater disposed therein
JP2007262765A (ja) * 2006-03-29 2007-10-11 Yamaha Corp 吸音材及び吸音パネル
JP2007291834A (ja) * 2006-03-31 2007-11-08 Yamaha Corp 吸音パネル及び吸音パネルの製造方法
CA2651742A1 (en) 2006-05-30 2007-12-06 Airbus Deutschland Gmbh Sandwich element for sound-absorbing inner cladding of transport means, especially for sound-absorbing inner cladding of aircraft fuselage cells
FR2914773B1 (fr) * 2007-04-04 2012-12-14 Airbus France Procede de realisation d'une structure acoustiquement resistive, structure acoustiquement resistive ainsi obtenue et revetement utilisant une telle structure
FR2915522A1 (fr) * 2007-04-30 2008-10-31 Airbus France Sas Panneau acoustique a caracteristique acoustique variable
JP2009062977A (ja) * 2007-08-15 2009-03-26 Rohr Inc 線形音響ライナー
DE102007060668A1 (de) * 2007-12-17 2009-06-18 Airbus Deutschland Gmbh Sandwichpaneel zur Schallabsorption
DE102007060662B4 (de) * 2007-12-17 2014-07-24 Airbus Operations Gmbh Flugzeugkabinenpaneel
US20090173569A1 (en) * 2007-12-20 2009-07-09 E. I. Du Pont De Nemours And Company Acoustic absorber with barrier facing
DE102008017357B4 (de) * 2008-04-04 2014-01-16 Airbus Operations Gmbh Akustisch optimiertes Kabinenwandelement und seine Verwendung
US8469145B2 (en) * 2008-04-14 2013-06-25 3M Innovative Properties Company Multilayer sound absorbing sheet
WO2009131855A2 (en) * 2008-04-22 2009-10-29 3M Innovative Properties Company Hybrid sound absorbing sheet
DE102009007891A1 (de) * 2009-02-07 2010-08-12 Willsingh Wilson Resonanz-Schallabsorber in mehrschichtiger Ausführung
DE102010051583A1 (de) * 2010-11-05 2012-05-10 Progress-Werk Oberkirch Ag Schallabsorbierendes Abschirmelement

Similar Documents

Publication Publication Date Title
JP2011521300A5 (ja)
CN102057421B (zh) 多层吸声片材
JP4975744B2 (ja) 透光型穴開積層吸音板および透光型吸音パネル
JP6570641B2 (ja) 防音構造
JP6510653B2 (ja) 防音構造
JP2009512776A5 (ja)
WO2009142906A3 (en) Multilayer sound absorbing structure comprising mesh layer
JP2009522597A5 (ja)
TWI596011B (zh) 吸音材料
WO2012137353A1 (ja) 吸音材積層構造
JP2007127908A (ja) 吸音フィルム
JP2004027788A (ja) 発泡体充填ハニカム材層に空気空間を持つ吸音パネル構造体
WO2019138969A1 (ja) 防音箱
JP2007313698A5 (ja)
ATE338173T1 (de) Mehrschichtige dämmung
JP2518589B2 (ja) 膜振動吸音材
US10847133B2 (en) Soundproof structure
JP2006323204A (ja) 複層吸音構造体
JP2004021246A5 (ja)
JP2004021246A (ja) 発泡体の粒子構造特定による吸音構造体
TW202100350A (zh) 吸音材料
JP2000136581A (ja) 吸音パネル
US11049485B2 (en) Soundproof structure
TW202103953A (zh) 吸音材料
JP2007088819A5 (ja)