JPH0387462A - Soundproof floor material - Google Patents
Soundproof floor materialInfo
- Publication number
- JPH0387462A JPH0387462A JP22414189A JP22414189A JPH0387462A JP H0387462 A JPH0387462 A JP H0387462A JP 22414189 A JP22414189 A JP 22414189A JP 22414189 A JP22414189 A JP 22414189A JP H0387462 A JPH0387462 A JP H0387462A
- Authority
- JP
- Japan
- Prior art keywords
- elastic
- elastic sheet
- particles
- resin particles
- sheet material
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 59
- 239000002245 particle Substances 0.000 claims abstract description 43
- 239000011347 resin Substances 0.000 claims abstract description 34
- 229920005989 resin Polymers 0.000 claims abstract description 34
- 238000009408 flooring Methods 0.000 claims description 14
- 239000002023 wood Substances 0.000 claims description 12
- 239000011120 plywood Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 244000043261 Hevea brasiliensis Species 0.000 abstract description 6
- 229920003052 natural elastomer Polymers 0.000 abstract description 6
- 229920001194 natural rubber Polymers 0.000 abstract description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 4
- 239000004014 plasticizer Substances 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 description 10
- 239000012774 insulation material Substances 0.000 description 9
- 239000004745 nonwoven fabric Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 241000219357 Cactaceae Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 etc. Polymers 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004943 rubber silane Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000011090 solid board Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Landscapes
- Floor Finish (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は防音床材に係り、特に床衝撃音を軽減するため
に表面が平滑に整備されたコンクリート面もしくは合板
やパーティクルボードなどの床下地材料に主として接着
剤を用いて固定される木質系床材に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to soundproof flooring materials, and particularly to flooring materials such as concrete surfaces with smooth surfaces or plywood or particle board to reduce floor impact noise. It relates to wood flooring that is fixed to the material primarily using adhesives.
マンシロンや住宅の床衝撃音を軽減するには従来様々な
方法が提案されてきた。この場合、床衝撃音としては重
量衝撃音と軽量衝撃音とに分類されるが、重ｇ！衝撃音
は建築物の構造そのものが影響するため、床材料の改良
の面での軽減対策としては軽量衝撃音の軽減が専ら指向
されている。Various methods have been proposed in the past to reduce floor impact noise in mansions and houses. In this case, the floor impact sound is classified into heavy impact sound and light impact sound, but heavy impact sound! Since impact noise is affected by the structure of the building itself, mitigation measures in terms of improving flooring materials are aimed exclusively at reducing lightweight impact noise.
軽量衝撃音の軽減には床表面仕上げ材の硬さの調整が有
効で、表面材料が柔らかいほど軽減の効果が高い。しか
し、無垢板や天然木化粧合板を用いた木質系床材におい
ては表面が木材であるため表面を柔らかくすることはで
きない。比較的柔らかい木材を使うことも可能ではある
が、表面塗装の有無に関わらず傷が付き易く商品価値は
低いものとなる。そこで、従来は木質系床材を何層かに
分割して異種材料を組み合わせる方法がとられてきた。Adjusting the hardness of the floor surface finishing material is effective in reducing lightweight impact noise; the softer the surface material, the greater the reduction effect. However, in the case of wood-based flooring materials using solid boards or natural wood decorative plywood, the surface cannot be made soft because the surface is made of wood. Although it is possible to use relatively soft wood, it is easily scratched regardless of whether the surface is painted or not, and its commercial value is low. Therefore, the conventional method has been to divide wood flooring into several layers and combine different materials.
このとき、合板やパーティクルボードなどの木質材料に
組み合わせる材料としては、樹脂製の制振シート、グラ
スウール、ロックウール、ポリスチレンなどの発泡樹脂
シート、ゴムクツション、不織布などが使われている。At this time, the materials used in combination with wood materials such as plywood and particle board include resin damping sheets, glass wool, rock wool, foamed resin sheets such as polystyrene, rubber cushions, and nonwoven fabrics.
これらの技術については既に多くの提案がなされており
、たとえば特開昭６２−２５３８６７号。Many proposals regarding these techniques have already been made, for example, Japanese Patent Application Laid-Open No. 62-253867.
特開昭６３−４４０６７号、特開平１−１０８６９号、
実開昭５９−７８４３６号、特開昭６２−２９６０５８
号各公報などが知られている。JP-A-63-44067, JP-A-1-10869,
Utility Model Publication No. 59-78436, Japanese Patent Application Publication No. 62-296058
The various publications are known.
従来の木質系床材において、合板やパーティクルボード
などの木質材料に組み合わせる材料として、樹脂製の制
振シート、グラスウール、ロックウール、ポリスチレン
などの発泡樹脂シート、ゴムクツシラン、不織布などが
使われているが厚さのわりには床衝撃音の軽減効果が低
゛い傾向があった。また、軽減効果を高めようとする場
合には柔らかい材料を用いることが多く、その結果、歩
いたときにフワフワした感じを受けるような床材になっ
てしまう１頃向があった。In conventional wood-based flooring, materials such as resin damping sheets, glass wool, rock wool, foamed resin sheets such as polystyrene, rubber silane, and non-woven fabrics are used to combine with wood materials such as plywood and particle board. Despite the thickness, the effect of reducing floor impact noise tended to be low. In addition, when trying to enhance the mitigation effect, soft materials are often used, resulting in flooring that feels fluffy when walked on.
それ故、本発明の目的とするところは、積層型の木質系
床において、厚みの少ないわりには床衝撃音の軽減効果
が大きく、しかも圧縮変形量の少ない遮音材層を有する
床材を提供することにある。Therefore, an object of the present invention is to provide a laminated wood floor that has a sound insulating material layer that has a large effect of reducing floor impact noise despite its small thickness and has a small amount of compressive deformation. There is a particular thing.
〔課題を解決するための手段〕
本発明者らは上記の問題点を解決するため研究を行なっ
た結果、弾性シート材に弾性樹脂粒子を散在固定してな
る遮音材層を形成することにより、該遮音材層が薄くて
も効果的に床衝撃音を軽減できるという知見を得、この
知見に基づき本発明を完成するに到った。[Means for Solving the Problems] As a result of research conducted by the present inventors to solve the above-mentioned problems, by forming a sound insulating material layer formed by interspersing and fixing elastic resin particles to an elastic sheet material, We have found that floor impact noise can be effectively reduced even if the sound insulating material layer is thin, and based on this knowledge, we have completed the present invention.
即ち、本発明は木質材層と遮音材層を有する木質系床材
において、弾性シート材の少なくとも片面に弾性樹脂粒
子を散在固定してなるものを遮音材層として設けたこと
を特徴とする防音床材である。That is, the present invention provides a soundproofing material having a wood material layer and a sound insulating material layer, which is characterized in that the sound insulating material layer is formed by scattering and fixing elastic resin particles on at least one side of an elastic sheet material. It is a flooring material.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
本発明は木質材層と遮音材層とからなる防音床材であり
、遮音材層として、弾性シート材の少なくとも片面に弾
性樹脂粒子を散在固定してなるものを用いる。The present invention is a soundproof flooring material consisting of a wood material layer and a sound insulation material layer, and the sound insulation material layer is formed by scattering and fixing elastic resin particles on at least one side of an elastic sheet material.
第１図には弾性シート材１の両面に弾性樹脂粒子２を散
在固定してなる遮音材層３を有する本発明防音床材が示
されている。勿論、弾性樹脂粒子２は弾性シート材１の
片面にのみ設けられていてもよい、４は合板、５は有孔
合板、６は不織布である。FIG. 1 shows a sound insulating flooring material of the present invention having a sound insulating material layer 3 formed by scattering and fixing elastic resin particles 2 on both sides of an elastic sheet material 1. As shown in FIG. Of course, the elastic resin particles 2 may be provided only on one side of the elastic sheet material 1. 4 is plywood, 5 is perforated plywood, and 6 is nonwoven fabric.
弾性シート材１として、有機系弾性シート材料や繊維系
弾性シート材料を用いることができる。As the elastic sheet material 1, an organic elastic sheet material or a fiber-based elastic sheet material can be used.
有機系弾性シート材料としては天然ゴム（ＮＲ） 、ネ
オプレンゴム（ＣＲ） ニトリルゴム（ＮＢＲ） 、
シリコツボ１１．ブチルゴム（ＩＩＲ） 、スチレン
ブタジェンゴム（ＳＢＲ）等の他、シリコンゲルや可塑
剤を含む塩化ビニルなどの常温でも可塑性を有すること
のできる樹脂で、比較的柔らかく圧縮荷重に対し復元性
の高いもの等を挙げることがで、きる。Organic elastic sheet materials include natural rubber (NR), neoprene rubber (CR), nitrile rubber (NBR),
Shirikotbo 11. In addition to butyl rubber (IIR), styrene-butadiene rubber (SBR), etc., resins that can remain plastic even at room temperature, such as silicone gel and vinyl chloride containing plasticizers, are relatively soft and have high resilience against compressive loads. You can do this by listing the following.
また、繊維系弾性シート材料としては編布、織布、不織
布等が挙げられ、この場合、不織布としては、各繊維が
バインダーで結合されているものでも、結合されていな
いものであってもよい、繊維の長さは短繊維であるより
は、長繊維で腰があり、繰り返し荷重に対する耐久性が
ある繊維材料で構成されることが望ましい。In addition, examples of fiber-based elastic sheet materials include knitted fabrics, woven fabrics, non-woven fabrics, etc. In this case, the non-woven fabric may be one in which each fiber is bound with a binder or one in which the fibers are not bound. Rather than using short fibers, it is preferable that the fibers be made of long fibers that are stiff and durable against repeated loads.
このような弾性シート材はそれ自体、弾力性のあるもの
が望ましく、硬過ぎるのも柔らか過ぎるのも性能上好ま
しくないが、弾性樹脂粒子の硬さや散在の間隔の程度に
応じて適当な柔らかさのシート材を選択する。It is desirable that such an elastic sheet material itself is elastic, and neither too hard nor too soft is desirable in terms of performance, but it should be made to have an appropriate degree of softness depending on the hardness of the elastic resin particles and the spacing between the particles. Select the sheet material.
弾性樹脂粒子２を弾性シート材１に固定する手段として
通常接着剤が用いられる。弾性樹脂粒子の１としては、
天然ゴム（ＮＲ）、ネオプレンゴム（ＣＲ）、ニトリル
ゴム（ＮＢＩ＋） 、 シリコンゴム、ブチルゴム（
ＩＩＩ？） スチレンブタジェンゴム（ＳＢＲ）等の
他、可塑剤を含む塩化ビニルなどの常温でも可塑性を有
することのできる樹脂等が挙げられ、この場合、弾性を
有するならば充填・材を含んでいてもよい。An adhesive is usually used as a means for fixing the elastic resin particles 2 to the elastic sheet material 1. As elastic resin particles 1,
Natural rubber (NR), neoprene rubber (CR), nitrile rubber (NBI+), silicone rubber, butyl rubber (
III? ) In addition to styrene-butadiene rubber (SBR), examples include resins that can have plasticity even at room temperature, such as vinyl chloride that contains plasticizers. good.
弾性樹脂粒子の形状は不連続な点状もしくは線状のいず
れでも良いが、望ましくは規則的な配置である方がよい
。点状に形成する場合の弾性樹脂粒子の形状は球形状、
ラグビーボール形状、円柱形状、それらを半分に切った
形状等種々のものが可能である。The shape of the elastic resin particles may be either discontinuous dots or lines, but preferably they are regularly arranged. When forming dots, the shape of the elastic resin particles is spherical,
Various shapes are possible, such as a rugby ball shape, a cylindrical shape, and a shape cut in half.
また、線状に形成する場合の弾性樹脂粒子の形状として
は、円柱形状、楕円柱形状、それらを縦に割った形状等
が可能である。In addition, the shape of the elastic resin particles when formed into a linear shape may be a columnar shape, an elliptical columnar shape, a shape obtained by dividing these vertically, or the like.
弾性樹脂粒子２における各粒子間の間隔は、弾性シート
材１の柔らかさや粒子２の硬さに応じて適宜決定される
が、通常２〜１０圓である。The distance between each particle in the elastic resin particles 2 is appropriately determined depending on the softness of the elastic sheet material 1 and the hardness of the particles 2, but is usually 2 to 10 circles.
２蘭未満では弾性樹脂からなるシートを重ねた場合と同
しになってしまい、意味がない。If it is less than 2 strands, it will be the same as stacking sheets made of elastic resin, which is meaningless.
また１０ｍ１１を越えると弾性シート材単独の場合とあ
まり変わらなくなり、８′１撃音撃滅軽減が弱くなる。Moreover, if it exceeds 10 m11, it will not be much different from the case of using the elastic sheet material alone, and the 8'1 impact sound extinction reduction will become weaker.
各粒子の散在のパターンは規則的なものであっても不規
則的なものであってもよいが、規則的なものの方が製造
上及び品質管理上有利である。The scattering pattern of each particle may be regular or irregular, but a regular one is more advantageous in terms of manufacturing and quality control.
また弾性樹脂粒子２の幅寸法は２〜５帥が好ましく、厚
さは０．３〜２帥が好ましい。弾性シート材１と弾性樹
脂粒子２の合計厚みは０．５ｍｎ以上がよく、好ましく
は１〜５ＩＩＩ１１である。０．５鵬未満では衝撃音の
軽減効果が期待できず、また５蘭を越えてもそれ程、衝
撃音軽減効果は大きくならず、作業性、製造コストの面
から得策でない。Further, the width of the elastic resin particles 2 is preferably 2 to 5 mm, and the thickness is preferably 0.3 to 2 mm. The total thickness of the elastic sheet material 1 and the elastic resin particles 2 is preferably 0.5 mm or more, preferably 1 to 5III11. If it is less than 0.5, no impact noise reduction effect can be expected, and if it exceeds 5, the impact noise reduction effect will not be that great, which is not a good idea from the viewpoint of workability and manufacturing cost.
本発明において、弾性シート材に弾性樹脂粒子を散在固
定してなる遮音材層３は、第１図に示すように、合Ｆｉ
４や有孔合板５等の比較的硬い材料の間に挾み込むと特
にその効果が充分に発揮される。しかし、遮音材層３を
どこに位置させるかは任意であり、その形成位置は限定
されない。また弾性シート材に弾性樹脂粒子を散在固定
してなるものを複数層重ねて遮音材層として用いること
もできる。In the present invention, the sound insulating material layer 3 formed by scattering and fixing elastic resin particles on an elastic sheet material has a composite Fi
The effect is particularly effective when inserted between relatively hard materials such as 4 or perforated plywood 5. However, the position of the sound insulating material layer 3 is arbitrary, and the position where it is formed is not limited. Moreover, a plurality of layers of elastic resin particles scattered and fixed on an elastic sheet material can be stacked and used as a sound insulation material layer.
尚、第１図に示すものは本発明の一構成例にすぎず、本
発明における遮音材層３を除いた他の層ＩＪ！或はいか
なる構成のものでもよい。It should be noted that what is shown in FIG. 1 is only one example of the structure of the present invention, and other layers IJ! Alternatively, it may have any configuration.
本発明の防音床材は弾性シート材の表面に散在せしめた
弾性樹脂粒子が凸部を構成することにより、圧縮力がか
かった際には基材の弾性シート材が部分的に圧縮され、
弾性シート材の内部に粗密状態が形成される。このとき
、床用撃力の一部は凸部の弾性樹脂粒子で緩和され、残
りの一部は弾性シート材それ自体の持つ衝撃緩衝能と相
俟って該シート内の粗密状態の中で緩和が起こり、軽量
衝撃音の軽減、振動衝撃の防止が可能となると考えられ
る。In the soundproof flooring material of the present invention, the elastic resin particles scattered on the surface of the elastic sheet material form convex portions, so that when compressive force is applied, the elastic sheet material of the base material is partially compressed.
A dense and dense state is formed inside the elastic sheet material. At this time, part of the impact force for the floor is alleviated by the elastic resin particles in the convex parts, and the remaining part is absorbed by the density and density within the sheet, combined with the impact buffering ability of the elastic sheet material itself. It is thought that this relaxation will occur, making it possible to reduce light impact noise and prevent vibration impact.
またシート内に粗密状態が形成されるため、歯部分にお
いては圧縮による反発力が生じ、その結果、過度の沈み
込みが防止される。In addition, since a dense and dense state is formed within the sheet, a repulsive force due to compression is generated in the tooth portion, and as a result, excessive sinking is prevented.
〔実施例］ 以下に本発明の詳細な説明する。〔Example] The present invention will be explained in detail below.
本実施例に用いた材料
１、 Ｊ Ａ Ｓ ｑ適合板
２、有孔合板： ＪＡＳ廿適合板に３ｃｍ間隔で５噛径
の孔をあけたもの
３、遮音材（Ｉ）二本発明における遮音材層。Materials used in this example 1, JASq compliant board 2, perforated plywood: JAS compliant board with holes of 5 diameters drilled at 3 cm intervals 3, Sound insulation material (I) 2 Sound insulation in the present invention material layer.
ポリエステル不織布に直径２馴 の球状塩化ビニル粒子を３蘭間 隔で散在固定したもの。Polyester non-woven fabric with 2 diameters between three spherical vinyl chloride particles Scattered and fixed at intervals.
遮音材の全体厚さ０． ４ｍｗ
４、遮音材（２）：本発明における遮音材層、ポリエス
テル不織布に直往２閤の球
状塩化ビニル粒子を５ｍｍ間隔で
散在固定したもの。Total thickness of sound insulation material: 0. 4mw 4. Sound insulation material (2): The sound insulation material layer in the present invention is a polyester nonwoven fabric in which two spherical vinyl chloride particles are scattered and fixed at intervals of 5 mm.
遮音材の全体厚さ０．４Ｍ
５、弾性シート：ナイロンシート 厚さ４ＩＩＩｌ空隙
率６５％
６制振シート：日本鉱業 カクタスサイレントＣ３０１
！Ｊす０． ８ｍｍ
上記材料を用い、ＪＩＳ Ａ１４１８ ｒ建築物の現
場における床衝撃音レベルの測定方法」に準じて夕、７
ピングマシンにより測定を行った。衝掌音の軽減効果が
明確に現れるオクターブ帯域中心周波数１２５ｔｌｚ。Overall thickness of sound insulation material: 0.4M 5. Elastic sheet: Nylon sheet thickness: 4III porosity: 65% 6. Vibration damping sheet: Nippon Mining Co., Ltd. Cactus Silent C301
! Jsu0. 8mm Using the above materials, in accordance with JIS A1418 r "Measurement method of floor impact sound level at building site", in the evening, 7
Measurement was performed using a ping machine. The center frequency of the octave band is 125TLZ, which clearly shows the effect of reducing the impact sound.
２５０１−１ｚの測定値を第１表に示す。The measured values of 2501-1z are shown in Table 1.
本発明によれば、弾性シート材の少なくとも片面に弾性
樹脂粒子を散在固定してなる遮音材層を有するので、弾
性シート材、弾性樹脂粒子両者の１１街作用によって、
効率的に軽量術４音の軽減を図ることができる。According to the present invention, since the sound insulating material layer is formed by interspersing and fixing elastic resin particles on at least one side of the elastic sheet material, the elastic sheet material and the elastic resin particles both act as a sound insulating material layer.
It is possible to efficiently reduce the light weight.
また床材に力が加わった際に弾性樹脂粒子が圧縮される
と共に、この圧縮された弾性樹脂粒子は弾性シート材を
押圧するので、・その部分のシート材内部は密となり、
この部分と比べて、樹脂粒子の存在していないシート材
内部は粗となる。そして密の部分には反発力が生じるの
で、この反発力によって過度の沈み込みは防止される。Also, when force is applied to the flooring material, the elastic resin particles are compressed, and the compressed elastic resin particles press the elastic sheet material, so the interior of the sheet material in that area becomes dense,
Compared to this portion, the interior of the sheet material where no resin particles are present is rough. Since a repulsive force is generated in the dense portion, this repulsive force prevents excessive sinking.
このように本発明によれば、軽量衝撃音を確実に軽減で
きる上、しかも圧縮変形量が少なくて済むという効果を
奏する。また、弾性樹脂粒子の硬さを任意に選択するこ
とによっても圧縮変形量を少なくすることができ、且つ
圧縮変形量を調整することも可能である。As described above, according to the present invention, light impact noise can be reliably reduced, and the amount of compression deformation can be reduced. Furthermore, the amount of compressive deformation can be reduced by arbitrarily selecting the hardness of the elastic resin particles, and it is also possible to adjust the amount of compressive deformation.
第１図は本発明の一実施例を示す縦断面図であ・弾性シ
ート材
・弾性樹脂粒子
・遮音材層
・合板
・有孔合板
・不織布FIG. 1 is a longitudinal cross-sectional view showing one embodiment of the present invention: elastic sheet material, elastic resin particles, sound insulation material layer, plywood, perforated plywood, nonwoven fabric.
Claims (1)
シート材の少なくとも片面に弾性樹脂粒子を散在固定し
てなるものを遮音利用として設けたことを特徴とする防
音床材。A soundproof flooring material having a wood layer and a soundproofing feature, characterized in that the soundproofing material is made by scattering and fixing elastic resin particles on at least one side of an elastic sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22414189A JPH0387462A (en) | 1989-08-30 | 1989-08-30 | Soundproof floor material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22414189A JPH0387462A (en) | 1989-08-30 | 1989-08-30 | Soundproof floor material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0387462A true JPH0387462A (en) | 1991-04-12 |
Family
ID=16809193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22414189A Pending JPH0387462A (en) | 1989-08-30 | 1989-08-30 | Soundproof floor material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0387462A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0537288A (en) * | 1991-07-26 | 1993-02-12 | Mitsubishi Electric Corp | Surface acoustic wave device |
| JPH09100618A (en) * | 1995-07-28 | 1997-04-15 | Bridgestone Corp | Cushioning material for floor and floor material using this cushioning material |
-
1989
- 1989-08-30 JP JP22414189A patent/JPH0387462A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0537288A (en) * | 1991-07-26 | 1993-02-12 | Mitsubishi Electric Corp | Surface acoustic wave device |
| JPH09100618A (en) * | 1995-07-28 | 1997-04-15 | Bridgestone Corp | Cushioning material for floor and floor material using this cushioning material |
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