[go: up one dir, main page]

FI20115485A - Akustiikkalevy - Google Patents

Akustiikkalevy

Info

Publication number
FI20115485A
FI20115485A FI20115485A FI20115485A FI20115485A FI 20115485 A FI20115485 A FI 20115485A FI 20115485 A FI20115485 A FI 20115485A FI 20115485 A FI20115485 A FI 20115485A FI 20115485 A FI20115485 A FI 20115485A
Authority
FI
Finland
Prior art keywords
acoustics
plate
acoustics plate
fibrous material
acoustic panel
Prior art date
Application number
FI20115485A
Other languages
English (en)
Swedish (sv)
Other versions
FI20115485A0 (fi
FI20115485A7 (fi
Inventor
Jarmo Poeloenen
Original Assignee
Yeseco Oy
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 Yeseco Oy filed Critical Yeseco Oy
Priority to FI20115485A priority Critical patent/FI20115485A/fi
Publication of FI20115485A0 publication Critical patent/FI20115485A0/fi
Priority to EP12789094.5A priority patent/EP2710197A4/en
Priority to CN201280024273.9A priority patent/CN103608529A/zh
Priority to US14/114,617 priority patent/US20140060965A1/en
Priority to PCT/FI2012/050461 priority patent/WO2012160248A1/en
Publication of FI20115485A7 publication Critical patent/FI20115485A7/fi
Publication of FI20115485A publication Critical patent/FI20115485A/fi

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, 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
    • E04B1/84Sound-absorbing elements
    • E04B1/86Sound-absorbing elements slab-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered 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
    • B32B3/10Layered 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
    • B32B3/12Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/02Layered 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 structural features of a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/22Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/05Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0442Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having a honeycomb core
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/045Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like being laminated
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0457Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having closed internal cavities
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0464Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having irregularities on the faces, e.g. holes, grooves
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0478Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like of the tray type
    • E04B9/0485Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like of the tray type containing a filling element
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/16Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of fibres or chips, e.g. bonded with synthetic resins, or with an outer layer of fibres or chips
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162Selection of materials
    • G10K11/168Plural layers of different materials, e.g. sandwiches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/44Number of layers variable across the laminate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06Vegetal fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/10Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00Walls, panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, 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
    • E04B1/84Sound-absorbing elements
    • E04B2001/8423Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8442Tray type elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/044Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against impact
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/045Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)
FI20115485A 2011-05-19 2011-05-19 Akustiikkalevy FI20115485A (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20115485A FI20115485A (fi) 2011-05-19 2011-05-19 Akustiikkalevy
EP12789094.5A EP2710197A4 (en) 2011-05-19 2012-05-14 SOUND SCHLUCK PLATE
CN201280024273.9A CN103608529A (zh) 2011-05-19 2012-05-14 吸音板
US14/114,617 US20140060965A1 (en) 2011-05-19 2012-05-14 Acoustic panel
PCT/FI2012/050461 WO2012160248A1 (en) 2011-05-19 2012-05-14 Acoustic panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20115485A FI20115485A (fi) 2011-05-19 2011-05-19 Akustiikkalevy

Publications (3)

Publication Number Publication Date
FI20115485A0 FI20115485A0 (fi) 2011-05-19
FI20115485A7 FI20115485A7 (fi) 2012-11-20
FI20115485A true FI20115485A (fi) 2012-11-20

Family

ID=44071611

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20115485A FI20115485A (fi) 2011-05-19 2011-05-19 Akustiikkalevy

Country Status (5)

Country Link
US (1) US20140060965A1 (fi)
EP (1) EP2710197A4 (fi)
CN (1) CN103608529A (fi)
FI (1) FI20115485A (fi)
WO (1) WO2012160248A1 (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2725161B1 (en) * 2012-10-24 2015-10-14 Saint-Gobain Ecophon AB Sound absorbing module and a suspended ceiling comprising the same
CN103711276B (zh) * 2013-12-19 2015-12-02 福建弘景木塑科技股份有限公司 新型吸音板
CN104018635B (zh) * 2014-05-30 2017-04-05 江西师范大学 压合丝瓜络吸音板
US20190048580A1 (en) * 2016-02-09 2019-02-14 Artnovion, Lda System for fastening acoustic panels and corresponding support structure
JP2018109341A (ja) * 2016-12-28 2018-07-12 パナソニックIpマネジメント株式会社 天井パネル
KR102273461B1 (ko) * 2017-04-13 2021-07-07 현대자동차주식회사 음파투과형 금속판재 및 이를 이용한 흡음형 복합판재
KR102446926B1 (ko) * 2017-10-24 2022-10-04 현대자동차주식회사 흡차음 복합판재
CA3089232A1 (en) 2018-01-24 2019-08-01 Armstrong World Industries, Inc. Sleeve packaging
CN117090365A (zh) * 2023-08-31 2023-11-21 深圳千里马装饰集团有限公司 地面隔音结构

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887173A (en) * 1957-05-22 1959-05-19 G A Societa Per Azioni Sa Sound absorbing and insulating panel
GB882526A (en) * 1957-10-29 1961-11-15 Ontwikkelingmij Multinorm Nv Improvements in or relating to sound- and heat-absorbing coverings for application to walls, ceilings, etc
US3108924A (en) * 1959-04-14 1963-10-29 Adie George Mountford Structural element
BE689396A (fi) * 1966-11-08 1967-04-14
US4084366A (en) * 1975-11-14 1978-04-18 Haworth Mfg., Inc. Sound absorbing panel
DE2921050A1 (de) * 1979-05-23 1980-11-27 Fraunhofer Ges Forschung Schallabsorbierendes bauelement aus kunststoff-folie
US4241806A (en) * 1978-10-10 1980-12-30 Metzger Arthur C Noise attenuation panel
CN1100032A (zh) * 1993-09-11 1995-03-15 普拉斯康技术有限公司 复合板
CN2176389Y (zh) * 1993-12-27 1994-09-07 杨超群 隐缝式铝合金吸音装饰板
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
DE19600586A1 (de) * 1996-01-10 1997-07-17 Wilhelmi Werke Ag Verfahren zur Herstellung einer Akustikplatte und Akustikplatte in Sandwichbauweise
CN2263680Y (zh) * 1996-06-12 1997-10-01 林进来 组合式防火隔音板
DE19804567C2 (de) * 1998-02-05 2003-12-11 Woco Franz Josef Wolf & Co Gmbh Flächenabsorber für Schallwellen und Verwendung
CA2279445A1 (en) * 1998-08-07 2000-02-07 Anthony L. Wiker Reinforced ceiling panels
DE10220920A1 (de) * 2002-05-10 2003-11-27 Josef Klemens Bauwerksdämmung
JP2004027788A (ja) * 2002-06-21 2004-01-29 Junsei:Kk 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
JP3918699B2 (ja) * 2002-09-20 2007-05-23 ヤマハ株式会社 中空パネル
CN100449059C (zh) * 2004-12-16 2009-01-07 塞尼克斯有限公司 隔音元件、隔音壁以及用于制造隔音元件的方法
KR100645824B1 (ko) * 2005-06-14 2006-11-14 김영옥 흡음판넬
US8079443B2 (en) * 2008-01-07 2011-12-20 Pelzer Acoustic Products Gmbh Aircraft trim panel with integrated adjustable acoustic properties
GB2459676A (en) * 2008-04-30 2009-11-04 Ilze Karina Van Der Poll Environmentally friendly sound absorption materials and products
TWI651455B (zh) * 2009-01-14 2019-02-21 Kuraray Co., Ltd 隔音板、隔音構造及隔音方法

Also Published As

Publication number Publication date
EP2710197A4 (en) 2014-10-22
WO2012160248A1 (en) 2012-11-29
FI20115485A0 (fi) 2011-05-19
FI20115485A7 (fi) 2012-11-20
US20140060965A1 (en) 2014-03-06
EP2710197A1 (en) 2014-03-26
CN103608529A (zh) 2014-02-26

Similar Documents

Publication Publication Date Title
FI20115485A0 (fi) Akustiikkalevy
MY155107A (en) Structural composite material with improved acoustic and vibrational damping properties
BRPI1014082A2 (pt) material não-tecido de baixa densidade útil com produtos de telha de teto acústica
NZ606959A (en) An acoustic panel
EP2757555A4 (en) SOUND-TRANSMITTING MATERIAL, SURFACE STRUCTURE FOR ACOUSTIC CONTROL WITH THIS MATERIAL AND WITH APPLICATIONS INCLUDING A CONSTRUCTION, MICROPHONE WINDSHIELD, PROTECTIVE GRIDS, SOUND-TRANSMITTING FILM WALL AND SPEAKERS
EP2663093A4 (en) SOUND TRANSFORMER AND MICROPHONE THEREWITH
UY3723Q (es) Aerosol
DE602006006082D1 (de) Plattenstruktur
EP1949752A4 (en) ACOUSTIC DIAPHRAGM AND LOUDSPEAKERS HAVING THE SAME
UY3493Q (es) Esponja
MX382424B (es) Estructura acústica.
UY3722Q (es) Estufa
EA201400696A1 (ru) Строительная панель и способ ее изготовления
CL2012002707A1 (es) Un panel de fibras de densidad media comprende fibras de madera cuya mayor dimension es de 7 mm o menos, prensadas junto con un adhesivo, donde el panel tiene una proporcion de aspecto de por lo menos 100 y un area superficial de por lo menos 1 m2, donde las fibras de madera son de madera acetilada; uso de fibras de madera.
DK1772039T3 (da) Akustisk transducer omfattende adskillige koaksialt placerede membraner
DE502007004772D1 (de) Akustikelemente
WO2013185013A3 (en) Back plate apparatus with multiple layers having non-uniform openings
DE602006021261D1 (de) Oberflächenwellenvorrichtung
EA201390951A1 (ru) Звукоизолирующий конструктивный элемент
FI20095270A0 (fi) Seinäelementti
UY3494Q (es) Tarjeta con muesca
EA200702043A1 (ru) Звукопоглощающая панель и способ ее производства
WO2013028511A3 (en) Acoustical panels for covering a wall, ceiling, or the like
DE602005005831D1 (de) Flachdruckplattenvorläufer
ATE553507T1 (de) Transformatoranordnung mit einem piezoelektrischen transformator

Legal Events

Date Code Title Description
FD Application lapsed