PL2876638T3 - Dźwiękochłonna płyta warstwowa - Google Patents

Dźwiękochłonna płyta warstwowa

Info

Publication number
PL2876638T3
PL2876638T3 PL14194123T PL14194123T PL2876638T3 PL 2876638 T3 PL2876638 T3 PL 2876638T3 PL 14194123 T PL14194123 T PL 14194123T PL 14194123 T PL14194123 T PL 14194123T PL 2876638 T3 PL2876638 T3 PL 2876638T3
Authority
PL
Poland
Prior art keywords
noise insulation
sandwich board
insulation sandwich
board
noise
Prior art date
Application number
PL14194123T
Other languages
English (en)
Inventor
Jean Georges Becker
Christian Hardt
Bernd Lieutenant
Original Assignee
Sika Technology Ag
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 Sika Technology Ag filed Critical Sika Technology Ag
Publication of PL2876638T3 publication Critical patent/PL2876638T3/pl

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
    • B32B5/00—Layered 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
    • B32B5/02—Layered 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
    • B32B5/022—Non-woven fabric
    • 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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4209—Insulation arrangements, e.g. for sound damping or heat insulation
    • 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
    • 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
    • B32B5/00—Layered 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
    • 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
    • B32B5/00—Layered 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
    • B32B5/02—Layered 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
    • 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
    • B32B5/00—Layered 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
    • B32B5/22—Layered 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
    • 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
    • B32B5/00—Layered 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
    • B32B5/22—Layered 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
    • B32B5/24—Layered 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 one layer being a fibrous or filamentary layer
    • B32B5/26—Layered 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 one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B32B7/00—Layered 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
    • B32B7/02—Physical, chemical or physicochemical properties
    • 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
    • B32B7/00—Layered 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
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • 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
    • B32B7/00—Layered 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
    • B32B7/04—Interconnection of layers
    • B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
    • 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
    • B32B7/00—Layered 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
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings 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
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • 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
    • B32B2307/102—Insulating
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • 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
    • B32B2419/00—Buildings or parts thereof
    • 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
    • B32B2605/00—Vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Textile Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
PL14194123T 2013-11-26 2014-11-20 Dźwiękochłonna płyta warstwowa PL2876638T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013224145.3A DE102013224145A1 (de) 2013-11-26 2013-11-26 Schalldämpfende Sandwichplatte
EP14194123.7A EP2876638B1 (de) 2013-11-26 2014-11-20 Schalldämpfende Sandwichplatte

Publications (1)

Publication Number Publication Date
PL2876638T3 true PL2876638T3 (pl) 2019-02-28

Family

ID=51932259

Family Applications (1)

Application Number Title Priority Date Filing Date
PL14194123T PL2876638T3 (pl) 2013-11-26 2014-11-20 Dźwiękochłonna płyta warstwowa

Country Status (10)

Country Link
US (1) US10026387B2 (pl)
EP (1) EP2876638B1 (pl)
KR (1) KR102337484B1 (pl)
CN (1) CN104669703A (pl)
DE (1) DE102013224145A1 (pl)
ES (1) ES2682461T3 (pl)
MX (1) MX2014014299A (pl)
PL (1) PL2876638T3 (pl)
RU (1) RU2683114C2 (pl)
TR (1) TR201811112T4 (pl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014210910A1 (de) * 2014-06-06 2015-12-17 Faist Chemtec Gmbh Vorrichtung und Verfahren zur Entdröhnung eines Bauteils
MX381312B (es) 2018-02-05 2025-03-12 Carlisle Construction Mat Llc Unión de lámina de ganchos a tablero de aislante.
DE102018117658A1 (de) * 2018-07-20 2020-01-23 Carcoustics Techconsult Gmbh Formteil zur Schalldämmung einer Einbauvorrichtung und Anordnung aus einer Einbauvorrichtung und einem Formteil
US11866929B2 (en) * 2018-12-21 2024-01-09 Knauf Gips Kg Panel coating system
DE102019002695A1 (de) * 2019-04-12 2020-10-15 K. L. Kaschier- Und Laminier Gmbh Dachkonstruktion
CN110468981B (zh) * 2019-09-11 2021-06-15 天尚设计集团有限公司 一种建筑墙体用的高效隔音材料及隔音材料的制备方法
CN110718204B (zh) * 2019-09-24 2021-12-07 哈尔滨工程大学 一种用于水下探测设备工作环境的降噪隔声结构
CN113066463B (zh) * 2021-03-23 2022-08-02 国网河北省电力有限公司沧州供电分公司 变压器油箱声振控制用吸隔声结构、变压器油箱及变压器
CN113404241A (zh) * 2021-05-21 2021-09-17 安徽弘飞新型建材科技有限公司 一种抗菌型金属装饰材料

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416511A1 (de) * 1984-05-04 1985-11-07 Walter 4600 Dortmund Ribic Vorrichtung zur verkleidung von flaechen, insbesondere von decken und innen- und aussenwaenden von gebaeuden
US4744189A (en) * 1986-08-14 1988-05-17 Snap-Wall, Inc. Removable wall panel
US5845375A (en) * 1990-09-21 1998-12-08 Minnesota Mining And Manufacturing Company Mushroom-type hook strip for a mechanical fastener
JP3252405B2 (ja) * 1991-08-28 2002-02-04 株式会社ブリヂストン 自動車用防音材
DE4343970A1 (de) * 1993-12-22 1995-06-29 Stankiewicz Gmbh Modularer schalldämmender Belag
DE19512582C2 (de) * 1994-04-12 2001-02-15 Akzo Nobel Nv Auskleidungen von Raumschießanlagen
JP3877842B2 (ja) * 1997-03-05 2007-02-07 ユニチカ株式会社 面ファスナー用雌材の製造方法
FR2835955B1 (fr) * 2002-02-11 2004-07-16 Sai Automotive Sommer Ind Ensemble d'insonorisation et piece comprenant une paroi recouverte par ledit ensemble
FR2861668B1 (fr) * 2003-10-29 2005-12-23 Aplix Sa Panneau de portiere a crochets autoagrippant
WO2006014239A2 (en) * 2004-07-02 2006-02-09 3M Innovative Properties Company Dry erase article
JP2009512578A (ja) * 2005-10-19 2009-03-26 スリーエム イノベイティブ プロパティズ カンパニー 音響吸収特性を有する多層物品、並びにその製造および使用方法
WO2007127890A2 (en) * 2006-04-27 2007-11-08 3M Innovative Properties Company Structured films having acoustical absorbance properties
US9922634B2 (en) * 2006-06-30 2018-03-20 3M Innovative Properties Company Sound insulation constructions and methods of using the same
DE102007044875A1 (de) * 2007-09-20 2009-04-02 VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG Plattenförmiges Bauteil
DE102007060866A1 (de) * 2007-12-18 2009-06-25 GM Global Technology Operations, Inc., Detroit Luftreifen und Anordnung zur Verminderung eines Reifengeräuschs
DE102009007891A1 (de) * 2009-02-07 2010-08-12 Willsingh Wilson Resonanz-Schallabsorber in mehrschichtiger Ausführung
AT508797B1 (de) * 2009-09-17 2011-07-15 Friedrich Ing Mag Blaha Modifizierbares schalldämpfungselement
DE102010031487A1 (de) * 2010-07-16 2012-01-19 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Herstellung einer Geschirrspülmaschine mit mindestens einer, insbesondere vorkonfektionierten, Bitumenmatte zur Entdröhnung und/oder Schallbedämmung eines Bauteils
DE102010031492A1 (de) * 2010-07-16 2012-01-19 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit mindestens einer Entdröhnungs- und/oder Schallbedämmungsbeschichtung sowie zugehöriges Herstellungsverfahren
US8496088B2 (en) * 2011-11-09 2013-07-30 Milliken & Company Acoustic composite

Also Published As

Publication number Publication date
RU2683114C2 (ru) 2019-03-26
EP2876638A1 (de) 2015-05-27
RU2014147087A3 (pl) 2018-06-28
US20150144421A1 (en) 2015-05-28
RU2014147087A (ru) 2016-08-10
KR102337484B1 (ko) 2021-12-09
US10026387B2 (en) 2018-07-17
KR20150060596A (ko) 2015-06-03
MX2014014299A (es) 2015-08-12
TR201811112T4 (tr) 2018-08-27
EP2876638B1 (de) 2018-05-02
ES2682461T3 (es) 2018-09-20
DE102013224145A1 (de) 2015-05-28
CN104669703A (zh) 2015-06-03

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