JP2506378Y2 - Sound absorbing material Surface material - Google Patents
Sound absorbing material Surface materialInfo
- Publication number
- JP2506378Y2 JP2506378Y2 JP1990121680U JP12168090U JP2506378Y2 JP 2506378 Y2 JP2506378 Y2 JP 2506378Y2 JP 1990121680 U JP1990121680 U JP 1990121680U JP 12168090 U JP12168090 U JP 12168090U JP 2506378 Y2 JP2506378 Y2 JP 2506378Y2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- sound absorbing
- cloth
- cracks
- absorbing 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.)
- Expired - Lifetime
Links
Landscapes
- Finishing Walls (AREA)
- Laminated Bodies (AREA)
- Building Environments (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、繊維ウエブやガラスウール等の吸音材料の
表面を化粧して内装材に仕上げるための表面材に関する
ものである。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a surface material for finishing the surface of a sound absorbing material such as a fibrous web or glass wool to make an interior material.
吸音材料には、繊維ウエブ、ロックウール、ガラスウ
ール、ポリウレタンフオーム等の他孔質材料が使用され
ている（実開昭51−105118）。As the sound absorbing material, other porous materials such as fiber web, rock wool, glass wool, polyurethane foam, etc. are used (Shokai Sho 51-105118).
これらの他孔質材料の外観は総じて装飾性を有せず、
ポリウレタンフオーム等のプラスチック発砲体は燃え易
いので内装材には使用し得ず、難燃性の繊維ウエブ就中
ロックウールやガラスウールは不燃性であるが脆い無機
質繊維でつくられているので耐摩耗性を有しない。The appearance of these other porous materials does not generally have decorative properties,
Plastic foams such as polyurethane foam easily burn and cannot be used as interior materials.Flame-retardant fiber webs, especially rock wool and glass wool are non-combustible but made of brittle inorganic fibers, so they are wear-resistant. It has no sex.
そこで内装材としても使用し得る難燃性の吸音材を得
るには、難燃性の繊維ウエブやロックウール或はガラス
ウールを表装すればよい訳であり、その一つの方法とし
て紙を裏打した布壁張地をガラスウール等の吸音材料に
重ね合わせると言うことが考えられる（特開昭52−7742
1）。Therefore, in order to obtain a flame-retardant sound-absorbing material that can also be used as an interior material, a flame-retardant fiber web, rock wool, or glass wool should be mounted on the surface. It is considered that the cloth wall covering is overlaid on a sound absorbing material such as glass wool (Japanese Patent Laid-Open No. 527742).
1).
しかし布帛自体は通気性に富むので吸音材料の吸音特
性を妨げないとしても、それに裏打する紙が吸音特性を
著しく妨げ、従って、布壁張地を吸音材料の表面材に用
いることは好ましくない。However, even if the cloth itself is highly breathable, the sound absorbing property of the sound absorbing material is not impaired, but the paper backing the sound absorbing property significantly impairs the sound absorbing property. Therefore, it is not preferable to use the cloth wall covering as the surface material of the sound absorbing material.
特開昭55−81199には紙を裏打せずに布帛をそのまま
壁張地に用いる方法が開示されており、その方法に準じ
て吸音材料を表装することも考えられるが、紙の裏打さ
れない布帛は極めて柔軟可撓で布目を一定方向に整然と
揃えて吸音材料の表面に張設することは困難である。Japanese Patent Laid-Open No. 55-81199 discloses a method of directly using a cloth for wall covering without backing the paper, and it is conceivable to install a sound absorbing material according to the method, but the cloth not backed by the paper Is extremely flexible and it is difficult to stretch the cloth on the surface of the sound absorbing material by aligning the texture in a certain direction.
そこで本考案は、吸音材料の吸音特性を妨げず、布目
の斜傾弯曲がなく綺麗に揃えて吸音材料の表面に貼り合
わせ或は張設し得る布製表面材を得ることを目的とす
る。Therefore, an object of the present invention is to obtain a cloth surface material that does not impair the sound absorbing characteristics of the sound absorbing material and can be neatly aligned without being inclined and bent and can be attached or stretched on the surface of the sound absorbing material.
本考案に係る吸音材料表面材15は、布帛11と紙12とを
貼り合わせて構成され、その紙12に表裏に続く亀裂13が
１cm2につき１個以上形成されており、且つ、亀裂13に
よって分断されない面積16mm2以上の紙の部分14が１cm2
につき１箇所以上有することを特徴とするものである。The sound absorbing material surface material 15 according to the present invention is configured by laminating the cloth 11 and the paper 12, and the paper 12 has one or more cracks 13 continuing to the front and back per 1 cm 2 , and by the crack 13. 1 cm 2 of uncut paper part 14 with an area of 16 mm 2 or more
It is characterized by having one or more places for each.
布帛11は、吸音材料16の吸音特性を損なわない程度の
通気性を有し、且つ、吸音材料16の表面を化粧する所要
の装飾性を有するものであれば、織物、編物、或は不織
布の何れであってもよく、叉、織柄やプリント柄等の図
柄模様を有しない無地のものでもよい。The cloth 11 is made of a woven fabric, a knitted fabric, or a non-woven fabric as long as it has air permeability to such an extent that the sound absorbing property of the sound absorbing material 16 is not impaired and has a required decorative property to make up the surface of the sound absorbing material 16. Any of them may be used, or a plain fabric having no design pattern such as a woven pattern or a print pattern may be used.
布帛11には吸湿率20％以上の繊維を50重量％以上保有
するものを、叉、紙12にはパルプを含むセルロース系繊
維を50重量％以上保有するものを用いるとよい。It is preferable that the cloth 11 has 50% by weight or more of fibers having a moisture absorption rate of 20% or more, and the paper 12 has 50% by weight or more of pulp-containing cellulosic fibers.
その理由は、表面材15に吸湿性を付与し、それによっ
て多湿時には吸湿し、乾燥時には水分を放出して吸音材
22の使用される環境の湿度を一定に保つ調湿性を表面材
15に付与するためである。The reason is that the surface material 15 is made hygroscopic, so that it absorbs moisture when it is humid and releases moisture when it is dry, and it absorbs sound.
22 surface material with humidity control that keeps the humidity of the environment in which it is used
This is because it is given to 15.
その様に吸湿率20％以上の繊維としては、綿、麻、羊
毛、絹等の天然繊維およびレーヨン、キュプラ、アセテ
ート等の化学繊維が使用される。As such fibers having a moisture absorption rate of 20% or more, natural fibers such as cotton, hemp, wool and silk, and chemical fibers such as rayon, cupra and acetate are used.
尚、ここに言う「吸湿率」とは、関係湿度95％R.H.時
に繊維の含む水分率を意味する。The "moisture absorption rate" here means the moisture content of the fiber when the relative humidity is 95% RH.
紙12は、パルプ繊維の他に化学合成繊維を含むもので
あってもよい。The paper 12 may include chemically synthetic fibers in addition to pulp fibers.
布帛11や紙12は、防炎剤、防汚剤、紫外線吸収剤等を
付与して仕上げられたものでもよく、叉、それらは布帛
と11と紙12を貼り合わせてから付与することも出来る。The fabric 11 and the paper 12 may be finished by adding a flameproofing agent, an antifouling agent, an ultraviolet absorber, etc., and they can also be applied after the fabric 11 and the paper 12 are attached. .
布帛と紙は接着剤17により貼り合わせるものとし、そ
の接着剤17は布帛と紙の双方または一方に全面塗着する
ことも出来るし、叉、それらの一方にドット（点）状に
付与してこれらを点接着して貼り合わせることも出来
る。The cloth and the paper should be adhered to each other with an adhesive agent 17. The adhesive agent 17 can be applied to the entire surface of the cloth and / or the paper, or can be applied to one of them in a dot shape. It is also possible to attach these by point-bonding.
亀裂13は、表面材15に吸音材料16の吸音特性を損なわ
ない程度の通気性を付与するものであり、その亀裂13は
3mm以上にわたって長く続くようにし、紙の全面に米粒
か小豆粒程度の大きさの亀裂のない部分14が亀裂13によ
り網目状に縁取られて残るように亀裂13を形成するとよ
い。The cracks 13 provide the surface material 15 with breathability that does not impair the sound absorbing properties of the sound absorbing material 16, and the cracks 13 are
The cracks 13 are preferably formed so as to extend over 3 mm or more, and the cracks 13 are formed on the entire surface of the paper so that the crack-free portions 14 of about the size of rice grains or adzuki beans are bordered by the cracks 13 and remain.
そのような亀裂13は、紙12を布帛11に貼り合わせてか
ら針孔間18′・18″が亀裂する程度に何回も針を布帛側
から突き刺すことによって形成することが出来、そのた
めには、針を植設したスパイクロールや針板をロッキン
グ駆動するニードルパンチング機等を利用するとよく、
その場合、ニードルパンチング機等によって予め多数の
針孔18を開けてからビーテイングやエンボスロール等に
通して針孔間18′・18″を亀裂させてもよい。Such a crack 13 can be formed by sticking the paper 12 to the cloth 11 and then piercing the needle from the cloth side many times to such an extent that the space 18 ′ · 18 ″ between the needle holes is cracked. , It is better to use a spike roll with needles implanted or a needle punching machine that drives the needle plate to rock,
In that case, a large number of needle holes 18 may be preliminarily opened by a needle punching machine or the like and then passed through a beating or embossing roll to crack the inter-needle hole portions 18 ′ and 18 ″.
そのように全面に形成される亀裂13の際では布帛11と
紙12が細かく剥離しており、その亀裂13が余り緻密にな
ると、紙としての形態が失われて恰も布帛11の裏面にパ
ルプ短繊維や細かい紙の粉砕片を散布接着したかの如く
なってしまい、本発明所期の目的が達成されなくなる。In such a crack 13 formed on the entire surface, the cloth 11 and the paper 12 are finely separated, and when the crack 13 becomes too dense, the form as paper is lost and the pulp on the back surface of the cloth 11 is short. As if crushed pieces of fibers or fine paper were sprinkled and adhered, the intended purpose of the present invention would not be achieved.
即ち本考案は、紙12が定形性を有し、それが米粒か豆
粒程度に小さい紙片（14）であっても変わらず、それを
タイルを敷き詰めるように布帛裏面11に端々をつき合わ
せて接着するとき、その細かい紙片（14）によって経糸
間19・19′や緯糸間20・20′が継がれて布目21の形状が
安定になり、それによって布目21が斜傾弯曲しない形状
安定性が布帛11に付与されるとの知見を得て完成された
ものである。That is, according to the present invention, the paper 12 has a regularity and does not change even if it is a piece of paper (14) as small as a rice grain or a bean grain. When this is done, the fine paper pieces (14) join the warp yarn spaces 19 and 19 'and the weft yarn spaces 20 and 20' to stabilize the shape of the fabric 21, which prevents the fabric 21 from being skewed and bent. It was completed with the knowledge that it will be given to 11.
従って、細かく形成された亀裂13に囲まれる面積16mm
2よりも細かい紙12の一部分が、布目21を縁取る唯一本
の繊維糸条19（21）に点接着しているような場合には、
本考案所期の目的が達成されず、それ故に、１cm2につ
き１個以上の亀裂13を形成するとしても、その亀裂13
は、その亀裂13によって分断されない面積16mm2以上の
部分14、即ち、亀裂の入らない面積16mm2以上の部分14
が、１cm2につき１箇所以上紙12に残る程度にすること
が肝要であり、そのように亀裂13に囲まれる部分14が規
則的に分布するようにするには、接着剤17をドット
（点）状に塗着して布帛11と紙12を貼り合わせておけば
よい。Therefore, the area surrounded by the finely formed cracks 13 is 16 mm.
If a part of the paper 12 smaller than 2 is spot-bonded to the only fiber thread 19 (21) that borders the fabric 21,
The intended purpose of the present invention is not achieved, and therefore, even if one or more cracks 13 are formed per cm 2 , the cracks 13
Is a portion 14 with an area of 16 mm 2 or more that is not divided by the crack 13, that is, a portion 14 with an area of 16 mm 2 or more that does not have a crack.
However, it is essential that the adhesive be left on the paper 12 at one or more places per cm 2, and in order to ensure that the portions 14 surrounded by the cracks 13 are regularly distributed, the adhesive 17 is used as dots (dots). ) -Shaped and the cloth 11 and the paper 12 are pasted together.
本考案では、そのように亀裂13の入らない部分14が、
建物の方杖や筋交の如く布目21を縁取る経糸と緯糸の間
19・20を継いで布目21の形状を安定にする役割をなすも
のであり、その役割は紙12の厚さによって左程変わら
ず、従って、紙12には薄葉紙のように目付（坪量）が30
g/m2程度の薄いものを使用することができる。In the present invention, the portion 14 in which the crack 13 does not enter is
Between the warp and the weft that borders the fabric 21 like a building staff or braces.
It plays the role of stabilizing the shape of the cloth 21 by continuing 19/20, and its role does not change as much as the left depending on the thickness of the paper 12, and therefore the paper 12 has a basis weight (basis weight) like thin paper. Is 30
It is possible to use as thin as g / m 2 .
しかし、在来の布壁張地は布帛21に裏打紙12を貼り合
わせてつくられており、その裏打紙12は坪量が80〜100g
/m2と比較的厚手であるが、それに針を緻密に突き刺し
て亀裂13を形成し、それによって吸音材料表面材15を作
ることも出来る。However, the conventional cloth wall covering is made by bonding the backing paper 12 to the cloth 21, and the backing paper 12 has a basis weight of 80 to 100 g.
Although it is relatively thick as / m 2 , it is also possible to form a crack 13 by closely piercing a needle into it, thereby making a sound absorbing material surface material 15.
その場合、針が通常の裁縫針程度の太さのものであれ
ば50〜150回／cm2程度突き刺せば概ね好結果が得られ
る。In that case, if the needle is as thick as a normal sewing needle, a good result can be generally obtained by piercing at about 50 to 150 times / cm 2 .
亀裂13によって分断されずに残り、方杖や筋交の如く
布目21を支える役割をなす部分14の中には１個または数
個の針孔18が開けられていてもよい。One or several needle holes 18 may be formed in the portion 14 which remains undivided by the crack 13 and serves to support the cloth 21 such as a cane or braces.
しかしそれは、針孔18によって紙12（14）が折り曲げ
易くなるとしても表面に平行な方向に左程変形し易くな
らず、却って、針孔18は表面材15の通気性を高めるので
好ましい結果をもたらすことになる。However, even if the needle hole 18 makes it easier to bend the paper 12 (14), it does not easily deform to the left in a direction parallel to the surface, and on the contrary, the needle hole 18 enhances the air permeability of the surface material 15, so that a desirable result is obtained. Will bring.
具体例を示して説明するに、従来の布壁張地に通常の
裁縫針を70〜90回／cm2の割合で突き刺して数回屈曲さ
せると、近接した針孔18′・18″によって10mm前後の長
く続く亀裂13が４〜７個／cm2形成されると共に、針孔1
8が出来るも亀裂13の生じない米粒大と小豆粒大の亀裂
に囲まれた部分14が２〜５箇所／cm2出来、そのように
亀裂13を形成した布壁張地（15）を、厚さ25mm密度80kg
/m2のグラスウール16に重ね合わせるとき、その吸音特
性が殆んど損なわれず、内装材として使用し得る吸音材
22が得られた。As a concrete example, when a conventional sewing needle is pierced into a conventional cloth wall upholstery at a rate of 70 to 90 times / cm 2 and bent several times, 10 mm due to the adjacent needle holes 18 ′ ・ 18 ″. Long and continuous cracks 13 are formed 4 to 7 / cm 2 and needle holes 1
2 to 5 parts / cm 2 of a part 14 surrounded by cracks of rice grain size and adzuki bean size that does not cause cracks 13 even though 8 cracks are formed, and cloth wall upholstery (15) in which cracks 13 are formed is Thickness 25 mm, density 80 kg
A sound absorbing material that can be used as an interior material, with its sound absorbing properties being hardly impaired when superposed on glass wool 16 of / m 2
22 was obtained.
本考案に係る表面材15は、布帛11と紙12を貼り合わせ
たものであるが、 （１）布帛11はそれを積み重ねれば吸音材料ともなる多
孔質のものであり、紙12も細かい亀裂13を有するので吸
音材料16の吸音特性を損なわない （２）紙12は布帛11の面積１cm2につき16mm2の大きさの
紙片（14）の形態を成して布帛11に接着されており、一
方、多くの布帛11を構成している繊維糸条の配列間隔が
1mm以下であるから、その紙片の形態をなす紙片（14）
は、布目周囲の繊維糸条間19・20を接合する方杖や筋交
の役割をなし、布目21の斜傾弯曲を止めるので布帛11の
形状が安定になり、吸音材料16の表面に貼り合わせ或は
張設し易くなる。The surface material 15 according to the present invention is formed by laminating the cloth 11 and the paper 12 together. (1) The cloth 11 is a porous material that also serves as a sound absorbing material when stacked, and the paper 12 also has fine cracks. Since it has 13, it does not impair the sound absorption characteristics of the sound absorbing material 16. (2) The paper 12 is adhered to the cloth 11 in the form of a paper piece (14) having a size of 16 mm 2 per 1 cm 2 area of the cloth 11. On the other hand, the arrangement intervals of the fiber yarns that make up many fabrics 11 are
Since it is 1 mm or less, a piece of paper in the form of that piece of paper (14)
Plays the role of a cane or braces that joins the fiber threads 19 and 20 around the fabric, and stops the oblique bending of the fabric 21, so that the shape of the fabric 11 becomes stable and is attached to the surface of the sound absorbing material 16. It becomes easy to match or stretch.
（３）布帛11は、グラスウール等の吸音材料16に比して
遥かに耐摩耗性が高く耐久性のあるものであり、而も、
内装材としても使用し得るものであるから、グラスウー
ル等の吸音材料16に耐久性を与えると共に内装材として
の商品価値を与える。(3) The cloth 11 has much higher wear resistance and durability than the sound absorbing material 16 such as glass wool.
Since it can also be used as an interior material, it imparts durability to the sound-absorbing material 16 such as glass wool and provides a commercial value as an interior material.
（４）布帛11や紙12がレーヨンやパルプ等の吸湿性素材
で構成される場合には、それらが上記の如く通気性に富
むものであるから、調湿材としても機能も付加される。(4) When the cloth 11 and the paper 12 are made of a hygroscopic material such as rayon or pulp, since they are highly breathable as described above, they also function as a humidity control material.
（５）亀裂13の際では布帛11と紙12が細かく剥離してお
り、その亀裂13が全面に分布しているので、紙12は亀裂
13によって嵩高になり、ボリューム感があり保湿断熱性
を有するものとなる。(5) At the time of the crack 13, the cloth 11 and the paper 12 are finely separated, and the crack 13 is distributed over the entire surface.
13 makes it bulky, has a voluminous feel, and has moisturizing and heat insulating properties.
このように本考案に係る吸音材料表面材15は、吸音性
と共にボリューム感があって通気調湿性や保温断熱性 の高い室内の吸音施工に頗る好都合である。As described above, the surface material 15 of the sound absorbing material according to the present invention is convenient for the sound absorbing construction in the room, which has a volume feeling as well as a sound absorbing property, and a high ventilation humidity control and a high heat insulating property.
第１図は本考案に係る吸音材料表面材の拡大裏面図、第
２図は第１図のＸ−Ｘ′箇所での拡大断面図である。 11……布帛、12……紙、13……亀裂、14……部分、15…
…表面材、16……吸音材料、17……接着剤、18……針
孔、19……経糸、20……緯糸、21……布目、22……吸音
材。FIG. 1 is an enlarged back view of the surface material of the sound absorbing material according to the present invention, and FIG. 2 is an enlarged cross-sectional view taken along the line XX 'in FIG. 11 …… Cloth, 12 …… Paper, 13 …… Cracks, 14 …… Parts, 15…
… Surface material, 16 …… Sound absorbing material, 17 …… Adhesive, 18 …… Needle hole, 19 …… Warp, 20 …… Weft, 21 …… Fabric, 22 …… Sound absorbing material.
Claims (2)
その紙12に表裏に続く亀裂13が１cm2につき１個以上形
成されており、且つ、亀裂13によって分断されない面積
16mm2以上の紙の部分14が１cm2につき１箇所以上有する
ことを特徴とする吸音材料表面材。1. A fabric 11 and a paper 12 are bonded together,
An area where one or more cracks 13 are formed on each side of the paper 12 per cm 2 and are not divided by the cracks 13.
A surface material for sound-absorbing material, characterized by having one or more paper parts 14 of 16 mm 2 or more per cm 2 .
する布帛11と、パルプを含むセルロース系繊維を50重量
％以上保有する紙12とを貼り合わせて構成され、その紙
12に表裏に続く亀裂13が１cm2につき１個以上形成され
ており、且つ、亀裂13によって分断されない面積16mm2
以上の紙の部分14が１cm2につき１箇所以上有すること
を特徴とする吸音材料表面材。2. A paper 11 comprising 50% by weight or more of a fiber having a moisture absorption rate of 20% or more and a paper 12 having a pulp-containing cellulosic fiber of 50% by weight or more.
There are 1 or more cracks 13 per 1 cm 2 on both sides of 12 and the area is 16 mm 2 which is not divided by the cracks 13.
A surface material for a sound absorbing material, characterized in that the above-mentioned paper portion 14 is provided at one or more places per cm 2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990121680U JP2506378Y2 (en) | 1990-11-19 | 1990-11-19 | Sound absorbing material Surface material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990121680U JP2506378Y2 (en) | 1990-11-19 | 1990-11-19 | Sound absorbing material Surface material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0476813U JPH0476813U (en) | 1992-07-06 |
| JP2506378Y2 true JP2506378Y2 (en) | 1996-08-07 |
Family
ID=31869528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990121680U Expired - Lifetime JP2506378Y2 (en) | 1990-11-19 | 1990-11-19 | Sound absorbing material Surface material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2506378Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2528964Y2 (en) * | 1993-10-20 | 1997-03-12 | 株式会社川島織物 | Drapery interior wall |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60121015U (en) * | 1984-01-25 | 1985-08-15 | 松下電工株式会社 | sound absorption wall |
-
1990
- 1990-11-19 JP JP1990121680U patent/JP2506378Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0476813U (en) | 1992-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4040213A (en) | Unitary structural panel for ceiling and wall installations | |
| US4426414A (en) | Laminated non-woven fabric | |
| US4307145A (en) | Decorative fabric and method of making the same | |
| JP2007523773A5 (en) | ||
| CA2398524A1 (en) | Laminated fabric with fire-retardant properties and process for making same | |
| TW415983B (en) | Modified secondary backing fabric, method for the manufacture thereof and carpet containing the same | |
| US20070022681A1 (en) | Interior treatments and furniture of fibrous felt construction | |
| GB1446013A (en) | Flame-retardant composite articles | |
| JP2506378Y2 (en) | Sound absorbing material Surface material | |
| CN210766132U (en) | Short-plush composite PVC (polyvinyl chloride) flower-absorbing synthetic leather | |
| WO2002098652A1 (en) | Insulating fabrics | |
| CN211416538U (en) | Sound-absorbing type embroidered wall cloth | |
| US6562434B1 (en) | Gel-like fabric composite | |
| JP3018478B2 (en) | Wall covering material | |
| JP2000070098A (en) | Sleeping bag component member | |
| JPH0524519Y2 (en) | ||
| JPS5930100Y2 (en) | Core material for roofing | |
| JP2528964Y2 (en) | Drapery interior wall | |
| CN219294907U (en) | Sound insulation wall cloth | |
| JP2589816Y2 (en) | Waterproof sheets | |
| JPS6224524Y2 (en) | ||
| CN211065854U (en) | Health mattress capable of eliminating dampness | |
| JP2574643Y2 (en) | Drapery fabric | |
| JP2577257Y2 (en) | Makeup sound absorbing plate | |
| RU16283U1 (en) | NON WOVEN VOLUME HEAT INSULATION MATERIAL |