JPS61250325A - Heat-insulating sound absorbing material - Google Patents
Heat-insulating sound absorbing materialInfo
- Publication number
- JPS61250325A JPS61250325A JP9209185A JP9209185A JPS61250325A JP S61250325 A JPS61250325 A JP S61250325A JP 9209185 A JP9209185 A JP 9209185A JP 9209185 A JP9209185 A JP 9209185A JP S61250325 A JPS61250325 A JP S61250325A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- sound
- absorbing material
- lot
- molding body
- 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
Landscapes
- Exhaust Silencers (AREA)
Abstract
Description
【発明の詳細な説明】 本、願発明は次に述べる問題点の解決を目的とする。[Detailed description of the invention] The present invention aims to solve the following problems.
(産業上の利用分野) この発明は高温でしかも騒音を
発する物体を取り囲んで、それから出る熱を遮ったり或
いは音を吸収したりする為に用いられる断熱吸音材に関
するものである。(Industrial Application Field) This invention relates to a heat-insulating sound-absorbing material used to surround a high-temperature and noisy object and block the heat emitted from it or absorb sound.
(従来の技術) この種の断熱吸音材としては、ウール
状に集積したガラス繊維を所望の形状に成形して形成さ
れた断熱吸音材が知られているが、そのようなものは、
断熱性及び吸音性は高いものの機械的強度が弱く使用時
に破損し易い問題点があった。(Prior Art) As this type of heat-insulating and sound-absorbing material, a heat-insulating and sound-absorbing material formed by forming wool-like glass fibers into a desired shape is known.
Although it has high heat insulation and sound absorption properties, it has a weak mechanical strength and is easily damaged during use.
(発明が解決しようとする問題点) この発明は上記従
来の問題点を除き、断熱性及び吸音性が高く、しかも表
面の強度が高くて使用時における破損を未然に防止でき
るようにした断熱吸音材を提供しようとするものである
。(Problems to be Solved by the Invention) This invention eliminates the above-mentioned conventional problems and provides a heat-insulating and sound-absorbing product that has high heat insulation and sound absorption properties, and has a high surface strength to prevent damage during use. The aim is to provide materials.
本願発明の構成は次の通りである。The configuration of the present invention is as follows.
(問題点を解決する為の手段) 本願発明は前記請求の
範囲記載の通りの手段を講じたものであってその作用は
次の通りである。(Means for Solving the Problems) The present invention takes the measures as described in the claims above, and its effects are as follows.
(作用) 繊維体をもって構成された成形体は断熱性が
高(しかも吸音性が高い。更にその表面に付着している
補強層は成形体の表面の破損を防止する。(Function) A molded body made of fibrous material has high heat insulation properties (and high sound absorption properties).Furthermore, the reinforcing layer attached to the surface of the molded body prevents damage to the surface of the molded body.
(実施例) 以下本願の実施例を示す図面について説明
する。第1図及び第2図において、1は成形体を示す。(Example) Below, drawings showing examples of the present application will be described. In FIGS. 1 and 2, 1 indicates a molded body.
この成形体は、ガラス繊維、セラミック繊維等の無機繊
維やポリエステル等の有機織雑多数を、それにローラ加
工、ニードリング等を施してマント状の繊維体に形成し
、その繊維体を使用場所に適合した形状に成形して形成
されている。向上記成形は、上記マント状の繊維体の表
層又は全層に耐熱性のある有機又は無機の周知の結合材
を含浸させて、それをプレス成形並びに必要に応じては
加熱することによって行われる。2は成形体1の一面に
備えさせた補強層で、周知の金属溶射手段により多数の
金属粒子を、隣接する金属粒子相互は一体に結合しかつ
多数の金属粒子の間には間隙が形成されている状態に付
着させて薄膜状に形成されている。向上記金属としては
クロム、チタン、ニッケル、アルミニウム、銅その他の
金属が用いられ、又その付着状態は焼結金属の如き状態
となっている。上記補強層2は成形体1において、外傷
を受は易い側の面に備えられるが、その反対面も含めて
両面に備えさせてあっても良い。This molded body is made of a large number of inorganic fibers such as glass fibers and ceramic fibers, and organic fabrics such as polyester, which are processed by roller processing, needling, etc. to form a cloak-like fibrous body, and the fibrous body is placed at the place of use. It is molded into a suitable shape. The above-mentioned forming is carried out by impregnating the surface layer or all layers of the above-mentioned mantle-like fibrous body with a well-known heat-resistant organic or inorganic binder, press-forming it, and heating it if necessary. . Reference numeral 2 denotes a reinforcing layer provided on one surface of the molded body 1, in which a large number of metal particles are bonded together by a well-known metal spraying method, and adjacent metal particles are integrally bonded to each other, with gaps being formed between the large number of metal particles. It is formed into a thin film by adhering it to the surface. The metals used include chromium, titanium, nickel, aluminum, copper, and other metals, and the state of adhesion thereof is similar to that of sintered metals. The reinforcing layer 2 is provided on the side of the molded body 1 that is more likely to receive damage, but it may be provided on both sides including the opposite side.
上記構成のものにあっては、成形体1が多数の繊維によ
って形成されてそれら繊維相互間に太きな空間がある為
、非常に高い断熱性及び吸音性を示す、又成形体1の一
面又は両面に補強層2が備えられている為、その補強層
2が備えられた面に外傷を与えるような力が加わっても
、その力による補強層2及び成形体1の破損が防止され
る。向上記のような補強層2が備わっていても、それを
構成する多数の金属粒子の間には多数の間隙が形成され
ている為、上記断熱性及び吸音性は殆ど阻害することが
ない。In the structure described above, since the molded body 1 is formed of a large number of fibers and there are large spaces between the fibers, it exhibits very high heat insulation and sound absorption properties, and one side of the molded body 1 Or, since the reinforcing layer 2 is provided on both sides, even if a force that causes trauma is applied to the surface provided with the reinforcing layer 2, the reinforcing layer 2 and the molded body 1 are prevented from being damaged by the force. . Even if the reinforcing layer 2 as described above is provided, since many gaps are formed between the many metal particles constituting the reinforcing layer 2, the above-mentioned heat insulating properties and sound absorbing properties are hardly impaired.
次に第3図は上記断熱吸音材を自動車のマフラに使用し
た例を示すものである。図において、3はケース、4は
前部排気管、5は後部排気管、6は仕切壁、7は連通管
、8.9は前記した断熱吸音材である。この断熱吸音材
8.9はその内面又は内面と外面に上記補強層が備えら
れている。Next, FIG. 3 shows an example in which the above-mentioned heat-insulating and sound-absorbing material is used in an automobile muffler. In the figure, 3 is a case, 4 is a front exhaust pipe, 5 is a rear exhaust pipe, 6 is a partition wall, 7 is a communication pipe, and 8.9 is the above-mentioned heat-insulating and sound-absorbing material. This heat-insulating and sound-absorbing material 8.9 is provided with the above-mentioned reinforcing layer on its inner surface or on its inner and outer surfaces.
このようなものにあっては、前部排気管4からケース3
内に流入する高温、高圧の排気ガスに対して断熱吸音材
8,9が大きな吸音性を示すと同時に、上記高温、高圧
の排気ガスによって断熱吸音材8.9の内面がえぐられ
てしまうようなことが防止される。In such a case, from the front exhaust pipe 4 to the case 3
At the same time, the heat-insulating and sound-absorbing materials 8 and 9 exhibit great sound-absorbing properties against the high-temperature, high-pressure exhaust gas flowing into the interior, and at the same time, the inner surfaces of the heat-insulating and sound-absorbing materials 8 and 9 are prevented from being gouged by the high-temperature, high-pressure exhaust gas. things will be prevented.
次に第4図は前記断熱吸音材をエンジンの排気マニホー
ルドのカバーとして使用した例を示すものである6図に
おいて、11は排気マニホールド、12は前記断熱吸音
材を用いて形成されたマニホールドカバーを示−す。こ
のマニホールドカバー12にあっては、その外面に前記
補強層が備えさせである。このようなものにあっては、
自動車の走行中にタイヤによって跳ね上げられた小石が
マニホールドカバー12に衝突しても、その小石による
マニホールドカバー12の破損が防止される。Next, FIG. 4 shows an example in which the heat-insulating sound-absorbing material is used as a cover for an exhaust manifold of an engine. In FIG. Show. This manifold cover 12 is provided with the reinforcing layer on its outer surface. For things like this,
Even if pebbles thrown up by tires collide with the manifold cover 12 while the automobile is running, the manifold cover 12 is prevented from being damaged by the pebbles.
(発明の効果) 以上のように本発明にあっては、成形
体1は、マント状の繊維体を成形して形成されている為
、断熱性及び吸音性が極めて高い特長を有している。(Effects of the Invention) As described above, in the present invention, the molded body 1 is formed by molding a cloak-like fibrous body, so it has extremely high heat insulation and sound absorption properties. .
しかも上記成形体1の一面又は両面には、溶射手段によ
って多数の金属粒子を、隣接する金属粒子相互は一体に
結合しかつ多数の金属粒子の間には間隙が形成されてい
る状態に付着させて形成した薄膜状の補強層2を具備さ
せであるから、上記成形体1のもつ断熱性、吸音性を大
きく阻害することなくその成形体1の表面の強度が増強
されている特長がある。このことは、この断熱吸音材を
マフラにおいて用いた場合には、エンジンからの高温、
高圧の排気ガスに対して良好な吸音性及び断熱性を保持
したまま上記ガスによる成形体の損傷を抑圧できる効果
があり、又この断熱吸音材を排気マニホールドのカバー
に用いた場合においても、上記と同様に吸音性、断熱性
を良好に維持したまま、自動車走行時における小石の飛
び跳ねによるカバーの破損を未然に防止できる効果があ
る。Moreover, a large number of metal particles are attached to one or both surfaces of the molded body 1 by thermal spraying in such a manner that adjacent metal particles are bonded together and gaps are formed between the large number of metal particles. Since the reinforcing layer 2 is formed in the form of a thin film, the strength of the surface of the molded body 1 is enhanced without greatly impeding the heat insulation and sound absorption properties of the molded body 1. This means that when this heat-insulating and sound-absorbing material is used in a muffler, the high temperature from the engine,
It has the effect of suppressing damage to the molded product caused by the gas while maintaining good sound absorption and heat insulation properties against high-pressure exhaust gas, and even when this heat-insulating and sound-absorbing material is used for the cover of the exhaust manifold, the above-mentioned Similarly, while maintaining good sound absorption and heat insulation properties, the cover can be effectively prevented from being damaged by pebbles flying around when the car is running.
図面は本願の実施例を示すもので、第1図は断熱吸音材
の一部破断斜視図、第2図は断熱吸音材の拡大断面図、
第3図はマフラにおける使用状態を示す縦断面図、第4
図は排気マニホールドに対する使用状態を示す為の分解
斜視図。
1・・・成形体、2・・・補強層。
第1図
第2図
第3図The drawings show examples of the present application, and FIG. 1 is a partially cutaway perspective view of the heat-insulating sound-absorbing material, FIG. 2 is an enlarged sectional view of the heat-insulating sound-absorbing material,
Figure 3 is a vertical sectional view showing the usage state of the muffler, Figure 4
The figure is an exploded perspective view showing how the exhaust manifold is used. 1... Molded body, 2... Reinforcement layer. Figure 1 Figure 2 Figure 3
Claims (1)
は両面に、溶射手段によって多数の金属粒子を、隣接す
る金属粒子相互は一体に結合しかつ多数の金属粒子の間
には間隙が形成されている状態に付着させて形成した薄
膜状の補強層を具備させてあることを特徴とする断熱吸
音材。A large number of metal particles are applied to one or both sides of a molded product formed by molding a mat-like fibrous body by thermal spraying, with adjacent metal particles being integrally bonded to each other and gaps being left between the large number of metal particles. A heat insulating and sound absorbing material characterized by comprising a thin film-like reinforcing layer formed by adhering to the formed state.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9209185A JPS61250325A (en) | 1985-04-26 | 1985-04-26 | Heat-insulating sound absorbing material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9209185A JPS61250325A (en) | 1985-04-26 | 1985-04-26 | Heat-insulating sound absorbing material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61250325A true JPS61250325A (en) | 1986-11-07 |
Family
ID=14044769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9209185A Pending JPS61250325A (en) | 1985-04-26 | 1985-04-26 | Heat-insulating sound absorbing material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61250325A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015117648A (en) * | 2013-12-19 | 2015-06-25 | 株式会社ユタカ技研 | Heat resisting cover against exhaustion system parts and its process of manufacturing |
-
1985
- 1985-04-26 JP JP9209185A patent/JPS61250325A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015117648A (en) * | 2013-12-19 | 2015-06-25 | 株式会社ユタカ技研 | Heat resisting cover against exhaustion system parts and its process of manufacturing |
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