JPH0340774B2 - - Google Patents

Info

Publication number
JPH0340774B2
JPH0340774B2 JP61263441A JP26344186A JPH0340774B2 JP H0340774 B2 JPH0340774 B2 JP H0340774B2 JP 61263441 A JP61263441 A JP 61263441A JP 26344186 A JP26344186 A JP 26344186A JP H0340774 B2 JPH0340774 B2 JP H0340774B2
Authority
JP
Japan
Prior art keywords
sheet
sound
sound insulation
synthetic resin
large number
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 - Lifetime
Application number
JP61263441A
Other languages
English (en)
Other versions
JPS63118439A (ja
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 filed Critical
Priority to JP61263441A priority Critical patent/JPS63118439A/ja
Priority to US07/045,828 priority patent/US4769271A/en
Publication of JPS63118439A publication Critical patent/JPS63118439A/ja
Publication of JPH0340774B2 publication Critical patent/JPH0340774B2/ja
Granted 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 shape; Layered products comprising a layer 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 shape; Layered products comprising a layer 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
    • 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 shape; Layered products comprising a layer 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 shape; Layered products comprising a layer 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
    • B32B3/30—Layered 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 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 characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/007—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a foam 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
    • B32B5/02—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
    • 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
    • B32B5/024—Woven fabric
    • 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
    • B32B5/026—Knitted fabric
    • 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
    • B32B5/18—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 features of a layer of foamed material
    • 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
    • B32B5/245—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 being a foam layer
    • 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
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0207—Materials belonging to B32B25/00
    • 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
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • 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
    • B32B2419/04—Tiles for floors or walls
    • 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.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in 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.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24496—Foamed or cellular component
    • Y10T428/24504—Component comprises a polymer [e.g., rubber, 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.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24562—Interlaminar spaces
    • 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.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y10T428/2462—Composite web or sheet with partial filling of valleys on outer surface
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/24996—With internal element bridging layers, nonplanar interface between layers, or intermediate layer of commingled adjacent foam layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Floor Finish (AREA)
  • Building Environments (AREA)

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、コンクリート床にフローリングを敷
設するさい、コンクリート床とフローリングの間
に介在させて、フローリングに発生した軽量床衝
撃音を遮断消滅せしめ、コンクリート床を伝播し
て階下の部屋の室内騒音になるのを防止する目的
に使用される遮音シートに関するものである。
（従来の技術） 従来、コンクリート床に敷設されたフローリン
グから発生する軽量床衝撃音がコンクリート床を
伝播して階下の部屋の室内騒音になるのを防止す
るため、コンクリート床とフローリングとの間に
各種の吸音シートなどを敷設している。
（発明が解決しようとする問題点） 上記のコンクリート床とフローリングの間に敷
設された吸音シートなどでは、軽量床衝撃音に対
して余り効果がなく、居間として望ましい日本工
業規格で規定されている遮音等級Ｌ−55を達成す
ることは困難である。
（問題点を解決するための手段） 本発明は、このような従来の問題点に着目して
なされたものであつて、軽量床衝撃音の吸音シー
トによる遮音機構を研究して、遮音に適したシー
トの材質及び構造を造ることにより上記問題点を
解決することを目的としている。
本発明は、ゴムまたはこれに類似の必要な特性
を備えた合成樹脂の何れかに適当な発泡材を混練
して、適当な厚さに造られたシートを所要網目の
金網に載置して所要温度で保持するか、または所
要温度で金型に射出して形造された弾力性を有す
る発泡体で、一面に非連続的な多数の突出部と該
突出部夫々の他面側に独立した窪部を形成された
シート本体に、金属、無機物、合成樹脂の何れか
からなる約0.1〜２mm径の球状に近い小粒状物の
多数を、該窪部に充填したのち不織布などを張設
して保持せしめたことを特徴とする遮音シートで
ある。
（作用） 遮音シートは、そのシート本体が弾力性と多数
の小気泡を有する発泡体で形成されているので音
波に対する優れた吸収性能を保有しており、その
うえ非連続的な多数の突出部の独立した窪部に充
填された小粒状物が、音波により振動して音波の
エネルギーを運動のエネルギーに転換し終局的に
熱に変換するため、フローリングに発生した軽量
床衝撃音を完全に遮断消滅させて、コンクリート
床への伝播を確実に阻止する。
（実施例） 本発明をその第１実施例を示す第１図〜第５図
に基づき以下詳述する。１は天然ゴムに適当な発
泡材を混練して適宜な厚さのシートを造つたの
ち、所要の網目の金網に載置して所要の温度に保
持した炉内を通過させて造られた平均に発泡２し
ているシート本体で、一面に非連続的な多数の突
出部３が突設されると共に、該突出部３夫々の他
面側に独立した窪部４を形成されている。
５は各窪部４…に0.5〜2.0mmの径を有する略球
形に近い鉄製の小粒状物６を充填したのち、表面
に適宜な厚さの不織布７を張設した遮音シートで
ある。
この遮音シート５は、フローリング８の裏面に
予め不織布７を介して接着しておき、コンクリー
ト床９面に遮音シート５を接触させてフローリン
グ８を従来どおり敷設して使用される。
この場合、遮音シート５は、そのシート本体１
が弾力性を有する発泡体で形成されているので音
波に対する吸収性能を保有しており、そのうえ非
連続的な多数の突出部３の独立した窪部４に充填
された小粒状物６が、音波により振動して音波の
エネルギーを運動エネルギー転換し終局的に熱に
変換するので、フローリング８に発生した軽量床
衝撃音を完全に遮断消滅させて、コンクリート床
９への伝播を確実に阻止して、遮音等級Ｌ−50も
容易に達成できる。また公的機関による試験結果
からこのことは立証されている。
本発明の第２実施例を示す第６図〜第８図につ
いて以下詳述する。１０は合成ゴムのブチルゴム
に適当な発泡材を添加して、所要の温度で金型に
射出成形して造られた、平均に発泡２しているシ
ート本体で、第１実施例のシート本体１と同様に
一面に非連続的な多数の突出部１１と、該突出部
１１の夫々の他面側に独立した窪部１２とを形成
されている。
１３は各窪部１２…に２mm近くの径を有する略
球形に近い合成樹脂製の小粒状物１４を充填した
のち、表面に適当な厚さの不織布７を張設した遮
音シートである。
この遮音シート１３は第１実施例の遮音シート
と同様にして使用されている。
この場合、遮音シート１３は、各窪部１２を断
面で三角形状に形成して、使用する小粒状物１４
の充填をし易くすると共に、使用量を少なくして
全体の重量を減少できるようにした以外の作用効
果は、第１実施例と同様である。
上記の第１及び第２実施例において、シート本
体１或は１０は、天然ゴム或は合成ゴムの弾力性
の有する発泡体で形成したが、これら両者の材料
の代わりに両者に類似の必要な特性を有する合成
樹脂を使用しても良い。又窪部３或は１２に充填
された小粒状物６或は１４は、鉄或は合成樹脂で
造られたものを使用したが、鉄の代わりにステン
レススチールなどの他の金属或いは硝子、セラミ
ツクスなどの無機物などを使用しても良い。又小
粒状物６或は１４は、0.5〜２mmの径を有する略
球形に近いものを使用したが、径は使用する材料
の比重によつて異なり、比重の大きなものは径を
小さく比重の小さなものはその反対で、概略0.1
〜２mmのものであれば良い。又遮音シート１，１
０に対して、コンクリート床９にフローリング８
を敷設する場合について述べたが、部屋を仕切る
壁などに使用して防音壁などを形成することは容
易に推察できる。
（発明の効果） 本発明は上記の構成を有するので次の効果を奏
する。
(1) 従来困難視されていた軽量床衝撃音の遮音等
級Ｌ−50を容易に達成できる、極めて優れた遮
音機能を有している。
(2) 構造が簡単で製造が容易なうえ、特殊な材料
を使用していないので、需要家に比較的安価で
提供できる。
(3) 遮音機能が優れ、そのうえ比較的安価で提供
できるため、販売増大による企業利益の増進に
寄与することができる。
【図面の簡単な説明】
第１図〜第５図は本発明の第１実施例で、第１
図はシート本体の一部切欠した表面図、第２図は
第１図の裏面図、第３図は一部のＡ−Ａ拡大断面
図、第４図は遮音シートの一部の拡大断面図、第
５図は遮音シートの使用方法を説明するための一
部切欠した断面図、第６図〜第８図は本発明の第
２実施例で、第６図はシート本体の一部切欠した
表面図、第７図は一部のＢ−Ｂ拡大断面図、第８
図は遮音シートの一部の拡大断面図である。 １，１０……シート本体、３，１１……突出
部、４，１２……窪部、５，１３……遮音シー
ト、６，１４……小粒状物。

Claims (1)

  1. 【特許請求の範囲】 １ ゴムまたはこれに類似の必要な特性を備えた
    合成樹脂の何れかに適当な発泡材を混練して、適
    当な厚さに造られたシートを所要網目の金網に載
    置して所要温度で保持するか、または所要温度で
    金型に射出して形造された弾力性を有する発泡体
    で、一面に非連続的な多数の突出部と、該突出部
    夫々の他面側に独立した窪部を形成されたシート
    本体に、金属、無機物、合成樹脂の何れかからな
    る約0.1〜２mm径の球形に近い小粒状物の多数を、
    該窪部に充填したのち不織布などを張設して保持
    せしめたことを特徴とする遮音シート。 ２ 天然ゴムからなる弾力性を有する発泡体で形
    成されたシート本体を用いたことを特徴とする特
    許請求の範囲第１項記載の遮音シート。
JP61263441A 1986-11-04 1986-11-04 遮音シ−ト Granted JPS63118439A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP61263441A JPS63118439A (ja) 1986-11-04 1986-11-04 遮音シ−ト
US07/045,828 US4769271A (en) 1986-11-04 1987-05-01 Sound insulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61263441A JPS63118439A (ja) 1986-11-04 1986-11-04 遮音シ−ト

Publications (2)

Publication Number Publication Date
JPS63118439A JPS63118439A (ja) 1988-05-23
JPH0340774B2 true JPH0340774B2 (ja) 1991-06-20

Family

ID=17389545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61263441A Granted JPS63118439A (ja) 1986-11-04 1986-11-04 遮音シ−ト

Country Status (2)

Country Link
US (1) US4769271A (ja)
JP (1) JPS63118439A (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894275A (en) * 1987-10-02 1990-01-16 Helmut Pelzer Floor mat/foot pad for automobiles
DE3911561A1 (de) * 1989-04-08 1990-10-11 Gieger Hans Joachim Schallschluckender koerper
JPH041947U (ja) * 1990-04-19 1992-01-09
US7125356B2 (en) 2001-11-06 2006-10-24 Borgwarner Inc. Tension-reducing random sprocket
US7585559B2 (en) * 2003-06-03 2009-09-08 Intellectual Property Holdings, Llc Foam barrier heat shield
US7020576B2 (en) * 2004-05-26 2006-03-28 Tennant Company Back EMF actuator control
US7748184B1 (en) * 2005-02-09 2010-07-06 Intellectual Property Holdings, Llc Body panel having improved stiffness and method of making
KR100750479B1 (ko) * 2005-04-13 2007-08-22 주식회사 엘지화학 내캐스터성 마루바닥재
USD591052S1 (en) * 2007-09-04 2009-04-28 Lin Chieh-Jen Bruce Sheet good with surface pattern
CA2775224A1 (en) 2009-09-25 2011-03-31 Schlumberger Canada Limited Multi-layered sound attenuation mechanism
JP2014122467A (ja) * 2012-12-20 2014-07-03 Nippon Jukankyo Kk 通気層形成用部材
USD708860S1 (en) * 2013-07-12 2014-07-15 Medline Industries, Inc. Paper product with surface pattern
CA2948276C (en) * 2014-05-08 2019-03-12 Dmx Plastics Limited Underlayment for a floor
USD951657S1 (en) * 2017-11-22 2022-05-17 Dometic Sweden Ab Awning fabric with pattern
USD983882S1 (en) * 2019-12-09 2023-04-18 Autumnpaper Limited Combined label with surface pattern
SK9236Y1 (sk) 2020-04-23 2021-07-14 Forro Imrich Izolačný podlahový materiál a spôsob jeho výroby

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2043203A1 (en) * 1970-09-01 1972-03-16 Korff & Co, 6051 Dietzenbach Sandwiched tiles - from plaster-board and hard foamed plastics
JPS5224328A (en) * 1975-08-20 1977-02-23 Komatsu Mfg Co Ltd Hydraulic pressure control valve
JPS5413589A (en) * 1977-07-01 1979-02-01 Toyoda Gosei Co Ltd Sound proof sheet
US4241806A (en) * 1978-10-10 1980-12-30 Metzger Arthur C Noise attenuation panel
JPS5868546U (ja) * 1981-11-04 1983-05-10 伊弉末　邦夫 床構造

Also Published As

Publication number Publication date
US4769271A (en) 1988-09-06
JPS63118439A (ja) 1988-05-23

Similar Documents

Publication Publication Date Title
JPH0340774B2 (ja)
US3866001A (en) Structural block with septum
KR0166993B1 (ko) 바닥충격음 방지 바닥구조 시공방법
KR100508895B1 (ko) 차음시트
KR20110126398A (ko) 층간 흡음패널
JP3433203B2 (ja) 衝撃音減衰床
JP2786242B2 (ja) 床仕上材
JPS63318341A (ja) 防振シ−ト
JPH04197745A (ja) 真空パネル
JP2850447B2 (ja) 遮音パネル
JP2934287B2 (ja) 吸音壁
JPH061938Y2 (ja) 防音板
JPH07219554A (ja) 防音材
KR200204596Y1 (ko) 건축용 방음 단열재
JP3487503B2 (ja) 真空防音断熱材
JPS5936572Y2 (ja) 防音壁材
JP2946680B2 (ja) 遮音パネル
JPH06158838A (ja) 二重床
KR200325207Y1 (ko) 공동주택의 층간 바닥충격음 저감시트
GB510522A (en) Improvements in or relating to acoustical arrangements for studios, concert halls and the like
JPH11133976A (ja) 防音壁
TWI281959B (en) Adjusting method of resonance frequency of soundproof structure
JPH01142172A (ja) 床構造
JPH01280170A (ja) 防音性に優れた木質床材
JPS6228200Y2 (ja)