JP4108933B2 - 吸音用微小穿孔ポリマーフィルムおよびそれを用いた吸音材 - Google Patents

吸音用微小穿孔ポリマーフィルムおよびそれを用いた吸音材 Download PDF

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Publication number
JP4108933B2
JP4108933B2 JP2000561609A JP2000561609A JP4108933B2 JP 4108933 B2 JP4108933 B2 JP 4108933B2 JP 2000561609 A JP2000561609 A JP 2000561609A JP 2000561609 A JP2000561609 A JP 2000561609A JP 4108933 B2 JP4108933 B2 JP 4108933B2
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Japan
Prior art keywords
film
sound
sound absorption
perforated
micro
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Expired - Lifetime
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JP2000561609A
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Japanese (ja)
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JP2002521722A5 (cg-RX-API-DMAC7.html
JP2002521722A (ja
Inventor
ビー． ウッド，ケネス
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3M Co
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3M Co
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    • 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
    • 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
    • Y10T428/15—Sheet, web, or layer weakened to permit separation through thickness
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
    • Y10T428/24306—Diamond or hexagonal
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
    • Y10T428/24314—Slit or elongated
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet
    • Y10T428/24331—Composite web or sheet including nonapertured component

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP2000561609A 1998-07-24 1999-01-18 吸音用微小穿孔ポリマーフィルムおよびそれを用いた吸音材 Expired - Lifetime JP4108933B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/122,240 1998-07-24
US09/122,240 US6617002B2 (en) 1998-07-24 1998-07-24 Microperforated polymeric film for sound absorption and sound absorber using same
PCT/US1999/000987 WO2000005707A1 (en) 1998-07-24 1999-01-18 Microperforated polymeric film for sound absorption and sound absorber using same

Publications (3)

Publication Number Publication Date
JP2002521722A JP2002521722A (ja) 2002-07-16
JP2002521722A5 JP2002521722A5 (cg-RX-API-DMAC7.html) 2006-03-09
JP4108933B2 true JP4108933B2 (ja) 2008-06-25

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JP2000561609A Expired - Lifetime JP4108933B2 (ja) 1998-07-24 1999-01-18 吸音用微小穿孔ポリマーフィルムおよびそれを用いた吸音材

Country Status (7)

Country Link
US (1) US6617002B2 (cg-RX-API-DMAC7.html)
EP (1) EP1101218B1 (cg-RX-API-DMAC7.html)
JP (1) JP4108933B2 (cg-RX-API-DMAC7.html)
AU (1) AU2323299A (cg-RX-API-DMAC7.html)
CA (1) CA2337614C (cg-RX-API-DMAC7.html)
DE (1) DE69902276T2 (cg-RX-API-DMAC7.html)
WO (1) WO2000005707A1 (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014043765A (ja) * 2012-07-31 2014-03-13 Interman Corp 携帯端末用ブース

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6977109B1 (en) * 1998-07-24 2005-12-20 3M Innovative Properties Company Microperforated polymeric film for sound absorption and sound absorber using same
AU6698800A (en) 1999-08-11 2001-03-13 Clion Irland Ltd. Component with high absorbing effect over a wide frequency range
ATE345875T1 (de) * 1999-09-15 2006-12-15 Aradigm Corp Porenstrukturen zur niederdruckaerosolisierung
ATE288001T1 (de) * 2000-03-20 2005-02-15 Newmat Sa Flexible polymerfolie für aufgespannte strukturen,verfahren zu deren herstellung und unterdecke mit dieser folie
US6598701B1 (en) 2000-06-30 2003-07-29 3M Innovative Properties Company Shaped microperforated polymeric film sound absorbers and methods of manufacturing the same
US7279214B2 (en) * 2000-09-09 2007-10-09 EEEA Entwicklungsgesellschaft fur Akustik mbH Floor covering having a strong noise-reducing properties
JP2003241762A (ja) * 2002-02-14 2003-08-29 Koei Chemical Kogyosho:Kk 吸音マットとその製造方法
US20070292675A1 (en) * 2002-09-17 2007-12-20 Hout Penne J Polymeric foam composites that meet factory material 4880 requirements
JP4083068B2 (ja) * 2003-05-09 2008-04-30 名古屋油化株式会社 難燃性吸音材
WO2004107313A1 (ja) * 2003-05-29 2004-12-09 Rion Co., Ltd. 遮音・吸音構造体､並びにこれらを適用した構造物
DE10337110A1 (de) * 2003-08-11 2005-03-17 Zeuna-Stärker GmbH & Co. KG Abgasschalldämpfer
US7314114B2 (en) * 2004-02-11 2008-01-01 Acoustics First Corporation Flat panel diffuser
JP4001588B2 (ja) * 2004-04-09 2007-10-31 株式会社林技術研究所 自動車用成形敷設内装材
ES2245240B1 (es) * 2004-06-03 2007-03-16 Consejo Sup. Investig. Cientificas. Unidades de insercion microperforadas para su uso como absorbentes acusticos.
US20060065481A1 (en) * 2004-09-24 2006-03-30 Lear Corporation Perforated hard trim for sound absorption
FR2881765B1 (fr) * 2005-02-08 2007-04-13 Brevetix Sarl Ensemble acoustiquement absorbant
NO322685B1 (no) * 2005-03-23 2006-11-27 Deamp As Plateelement
CN101151417B (zh) * 2005-03-30 2011-05-04 松下电器产业株式会社 吸音结构体
US20060254855A1 (en) * 2005-05-16 2006-11-16 Loftus James E Fibrous material having densified surface for improved air flow resistance and method of making
KR100645824B1 (ko) * 2005-06-14 2006-11-14 김영옥 흡음판넬
US20070012508A1 (en) * 2005-07-13 2007-01-18 Demers Christopher G Impact resistance acoustic treatment
US7276839B1 (en) * 2005-11-30 2007-10-02 The United States Of America Represented By The Secretary Of The Navy Bondable fluoropolymer film as a water block/acoustic window for environmentally isolating acoustic devices
CN101432131B (zh) * 2006-04-27 2013-03-27 3M创新有限公司 具有吸音特性的结构化薄膜
EP2012993A2 (en) * 2006-04-27 2009-01-14 3M Innovative Properties Company Methods of making structured films
US7520370B2 (en) * 2006-05-17 2009-04-21 William Orlin Gudim Combination acoustic diffuser and absorber and method of production thereof
EP2054562B1 (fr) * 2006-08-10 2013-02-13 Brevetix Ensemble acoustiquement absorbant
DE102007051408A1 (de) * 2007-10-25 2009-05-28 Prelatec Gmbh Verfahren zum Bohren von Löchern definierter Geometrien mittels Laserstrahlung
DE202007017699U1 (de) * 2007-12-19 2009-02-26 VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG Trennwandelement
EP2311028B1 (en) * 2008-04-14 2020-05-13 3M Innovative Properties Company Multilayer sound absorbing sheet and method of absorbing sound
KR101793278B1 (ko) * 2008-04-22 2017-11-02 쓰리엠 이노베이티브 프로퍼티즈 컴파니 하이브리드 흡음 시트
KR101718546B1 (ko) 2008-05-05 2017-03-21 쓰리엠 이노베이티브 프로퍼티즈 컴파니 방음 복합체
BRPI0913579A2 (pt) * 2008-05-22 2015-11-24 3M Innovative Properties Co estrutura multicamada de absorção de som compreendendo camada de malha
WO2010080232A1 (en) 2008-12-19 2010-07-15 3M Innovative Properties Company System and method for concentrating samples
BRPI0918357A2 (pt) 2008-12-19 2016-07-26 3M Innovative Properties Co sistema e método para processamento de amostras
FR2948457B1 (fr) * 2009-07-24 2013-08-09 Canon Kk Procede de determination d'un profil d'absorption, dispositif et programme d'ordinateur associes
TWI506070B (zh) * 2009-12-14 2015-11-01 3M Innovative Properties Co 微穿孔聚合物薄膜及其製造方法與用途
FR2964677B1 (fr) * 2010-09-14 2013-06-28 Saint Gobain Procede et dispositif pour fabriquer un panneau absorbant acoustique
WO2012079158A1 (en) * 2010-12-16 2012-06-21 Taras Kowalczyszyn Improved housing for containing electronic components therein
EP2657932A4 (en) * 2010-12-21 2017-01-11 Yoshiharu Kitamura Soundproofing plate which does not obstruct airflow
CN103608658B (zh) 2011-06-30 2017-06-09 3M创新有限公司 利用微结构化表面检测样品中的所关注分析物的系统和方法
JP2014526041A (ja) 2011-06-30 2014-10-02 スリーエム イノベイティブ プロパティズ カンパニー フィルター及び微細構造化表面を使用して、サンプル中の目的の検体を検出するためのシステム及び方法
JP6110056B2 (ja) 2011-08-25 2017-04-05 スリーエム イノベイティブ プロパティズ カンパニー 吸音材
US9194124B2 (en) 2011-12-09 2015-11-24 3M Innovative Properties Company Acoustic light panel
US8418806B1 (en) 2012-01-13 2013-04-16 Janesville Acoustics, a Unit of Jason Incorporated Sound attenuating device using an embedded layer for acoustical tuning
DE102012216500A1 (de) 2012-09-17 2014-03-20 Hp Pelzer Holding Gmbh Mehrlagiger gelochter Schallabsorber
US8714304B2 (en) * 2012-09-21 2014-05-06 Yoshiharu Kitamura Soundproofing plate and soundproofing device permitting air flow
US9388731B2 (en) 2013-03-15 2016-07-12 Kohler Co. Noise suppression system
US9752494B2 (en) 2013-03-15 2017-09-05 Kohler Co. Noise suppression systems
EP2858066A3 (en) * 2013-10-03 2015-04-15 Kohler Co. Noise suppression systems
US9168476B2 (en) 2013-10-11 2015-10-27 3M Innovative Properties Company Air filter comprising a microperforated film, and method of using
DE102013226792A1 (de) * 2013-12-19 2015-06-25 Volkswagen Aktiengesellschaft Verfahren zur akustischen und/oder fluidtechnischen Perforation eines aus einem Faserverbundkunststoff hergestellten Bauteils
FR3018384B1 (fr) * 2014-03-04 2016-03-11 Scherrer Jean Marc Ensemble d'absorption acoustique a hautes et basses frequences
NO337032B1 (no) * 2014-04-29 2016-01-04 Deamp As Lydabsorberende film
EP2945153B1 (en) * 2014-05-14 2018-10-31 Pregymix S.r.l. Rail acoustic attenuator device
DE102014214547A1 (de) * 2014-07-24 2016-01-28 Sennheiser Electronic Gmbh & Co. Kg Verfahren zum Herstellen von akustischen Widerständen
EP3192068A1 (en) 2014-09-09 2017-07-19 3M Innovative Properties Company Acoustic device
DK178443B1 (en) * 2014-12-01 2016-02-29 Dampa Aps Sound absorbing dry erase board
EP3259125A1 (en) * 2015-02-18 2017-12-27 Middle River Aircraft Systems Acoustic liners and method of shaping an inlet of an acoustic liner
JP6464412B2 (ja) * 2015-04-08 2019-02-06 平岡織染株式会社 吸音不燃シート
US9747883B2 (en) 2015-04-14 2017-08-29 Cadillac Products Automotive Company Acoustic insulator mat with liquid applied sprayable coating and method for making the same
DE102015209105A1 (de) 2015-05-19 2016-11-24 Hp Pelzer Holding Gmbh Leichtes akustisches Bauteil
CN107615374B (zh) * 2015-06-09 2021-02-05 Ａｇｃ株式会社 膜和吸音结构体
KR102522668B1 (ko) * 2015-09-02 2023-04-18 쿠퍼스탠다드오토모티브앤인더스트리얼 주식회사 차량용 소음기
US10068563B2 (en) 2015-11-18 2018-09-04 Rpg Acoustical Systems Llc Sound absorbing panel with wedge-shaped cross-section micro-slits
US10460714B1 (en) 2016-02-05 2019-10-29 United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Broadband acoustic absorbers
JP6376167B2 (ja) * 2016-03-31 2018-08-22 マツダ株式会社 吸音材
US11104098B2 (en) 2016-05-31 2021-08-31 Cadillac Products Automotive Company Fibrous vehicle underbody shield
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CN110049956A (zh) 2016-11-04 2019-07-23 康宁公司 微穿孔板系统、应用以及制造微穿孔板系统的方法
US10294596B2 (en) 2016-11-21 2019-05-21 Milliken & Company Process for forming a nonwoven composite
US10062371B2 (en) 2016-11-21 2018-08-28 Milliken & Company Nonwoven composite
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US10607589B2 (en) 2016-11-29 2020-03-31 Milliken & Company Nonwoven composite
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US10611116B2 (en) 2018-05-17 2020-04-07 Milliken & Company Nonwoven composite
US11235552B2 (en) 2018-07-23 2022-02-01 3M Innovative Properties Company Thermal insulation materials and methods thereof
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WO2020217131A1 (en) 2019-04-25 2020-10-29 3M Innovative Properties Company Acoustic articles and methods thereof
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KR20210122790A (ko) * 2019-09-03 2021-10-12 스트래티직 스포츠 리미티드 경사 충격 보호 기기, 이를 포함하는 헬멧, 이를 포함하는 스포츠 장비 및 이를 위한 방법
CA3108535A1 (en) * 2020-02-10 2021-08-10 Lumenwerx Ulc Sound absorbing light fixture
US11446980B2 (en) 2020-06-10 2022-09-20 Denso International America, Inc. HVAC system noise control
US20230290326A1 (en) 2020-09-11 2023-09-14 3M Innovative Properties Company Acoustic absorbing filler and related acoustic article
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US11982391B2 (en) * 2021-01-14 2024-05-14 Versus Llc Percussive pressure damper
US12157294B2 (en) * 2021-07-23 2024-12-03 Whirlpool Corporation Scrim layer on insulation
US20240379087A1 (en) 2021-09-15 2024-11-14 3M Innovative Properties Company Acoustic articles and methods of making the same
CN115620691B (zh) * 2022-10-10 2025-06-13 南昌航空大学 一种可伸缩的微穿孔板吸声结构及设计方法
CN115731912A (zh) * 2022-11-18 2023-03-03 蚌埠学院 一种微穿孔板吸声结构及设计方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621934A (en) * 1970-05-18 1971-11-23 Goodrich Co B F Acoustic wall coverings
US3782495A (en) 1972-06-08 1974-01-01 M Nassof Ceiling tile
AU1457276A (en) * 1975-06-04 1977-12-08 Scott Paper Co Perforated, embossed film to foam laminates
US4287962A (en) 1977-11-14 1981-09-08 Industrial Acoustics Company Packless silencer
SE500334C2 (sv) 1990-02-08 1994-06-06 Rockwool Ab Krökt akustikelement
US5459291A (en) 1992-09-29 1995-10-17 Schuller International, Inc. Sound absorption laminate
US5298694A (en) 1993-01-21 1994-03-29 Minnesota Mining And Manufacturing Company Acoustical insulating web
DE4315759C1 (de) 1993-05-11 1994-05-05 Fraunhofer Ges Forschung Schallabsorbierendes Glas- oder transparentes Kunstglasbauteil
US5560967A (en) * 1994-07-25 1996-10-01 The Excello Specialty Company Sound absorbing automotive water deflector
JPH08314468A (ja) * 1995-03-14 1996-11-29 Toyoda Gosei Co Ltd 防音材
JP3306610B2 (ja) * 1994-12-13 2002-07-24 エヌ・オー・ケー・ビブラコースティック株式会社 吸音材の製造方法
US5653836A (en) 1995-07-28 1997-08-05 Rohr, Inc. Method of repairing sound attenuation structure used for aircraft applications
JP3346451B2 (ja) * 1996-06-06 2002-11-18 日産自動車株式会社 筒部を有する成形品の成形方法
DE19626676A1 (de) 1996-07-03 1998-01-08 Kaefer Isoliertechnik Vorrichtung zur Verminderung von Schallpegeln in Gebäuden
US5962107A (en) * 1997-10-29 1999-10-05 Johns Manville International, Inc. Perforated cellular sound absorption material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014043765A (ja) * 2012-07-31 2014-03-13 Interman Corp 携帯端末用ブース

Also Published As

Publication number Publication date
DE69902276D1 (de) 2002-08-29
EP1101218A1 (en) 2001-05-23
US6617002B2 (en) 2003-09-09
WO2000005707A1 (en) 2000-02-03
CA2337614A1 (en) 2000-02-03
CA2337614C (en) 2005-04-26
JP2002521722A (ja) 2002-07-16
US20010050197A1 (en) 2001-12-13
EP1101218B1 (en) 2002-07-24
AU2323299A (en) 2000-02-14
DE69902276T2 (de) 2002-11-28

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