JPS61154831A - Manufacture of sound insulation material - Google Patents
Manufacture of sound insulation materialInfo
- Publication number
- JPS61154831A JPS61154831A JP59279016A JP27901684A JPS61154831A JP S61154831 A JPS61154831 A JP S61154831A JP 59279016 A JP59279016 A JP 59279016A JP 27901684 A JP27901684 A JP 27901684A JP S61154831 A JPS61154831 A JP S61154831A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- gas
- fiber layer
- composite material
- resin
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/001—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/20—Making multilayered or multicoloured articles
- B29C43/203—Making multilayered articles
- B29C43/206—Making multilayered articles by pressing the material between two preformed layers, e.g. deformable layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0809—Fabrics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕′
本Ｑ明はシリンダへラドカバー、エンジンルームなどの
防音材として用いられる防音材の製造方法、詳しくは生
産性が良好な防音材の製造方法に関するものである。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a method for manufacturing a soundproofing material used as a soundproofing material for cylinder rad covers, engine rooms, etc., and more specifically, relates to a method for manufacturing a soundproofing material with good productivity. It is something.
従来の防音材の製造方法をシリンダへラドカバーを例に
とって説明すると、アルミ、鋳鉄等のへラドカバ一本体
１に、この本体１に対応する形状にあらかじめ成型した
グラスウールなどの吸音材層２を積層し、さらに同様に
対応形状に成形した金属あるいは剛性樹脂製の防音カバ
ー３を被せ、一体力バーして製造している。To explain the conventional manufacturing method of soundproofing material using a cylinder cover as an example, a sound absorbing material layer 2 such as glass wool, which is pre-formed into a shape corresponding to the body 1, is laminated on a cover body 1 made of aluminum, cast iron, etc. Furthermore, a soundproof cover 3 made of metal or rigid resin similarly molded into a corresponding shape is covered, and manufactured as an integral bar.
しかしながら、このような防音材の製造方法によればヘ
ッドカバ一本体１、防音層２および防音カバー３をそれ
ぞれ別個に成形し、これあを重ね合せて製造しているた
め、工程数が多（、生産製が低いという欠点があった。However, according to this method of manufacturing soundproofing materials, the head cover main body 1, the soundproofing layer 2, and the soundproofing cover 3 are each molded separately, and then they are manufactured by stacking them on top of each other, which requires a large number of steps. The drawback was that production was low.
本発明は上述の点に鑑みなされたもので、製造工程数を
省き、生産製を向上せしめることによりコストを低減し
た防音材の製造方法を提供することを目的とする。The present invention has been made in view of the above-mentioned points, and an object of the present invention is to provide a method for manufacturing a soundproofing material that reduces costs by omitting the number of manufacturing steps and improving production efficiency.
本発明を概説すれば、本発明による防音材の製造方法は
樹脂シート間に、ガス発生剤を混入した繊維層を挟着し
て複合材を形成し、その後この混合材を熱プレスにより
所望形状に成型すると同時に、前記繊維層にガスを発生
させて密封された吸音層を形成させることを特徴とする
ものである。To summarize the present invention, the method for producing a soundproofing material according to the present invention involves sandwiching a fiber layer mixed with a gas generating agent between resin sheets to form a composite material, and then heat-pressing this mixed material into a desired shape. The invention is characterized in that at the same time as the fiber layer is molded, a gas is generated in the fiber layer to form a sealed sound absorbing layer.
本発明によれば、樹脂シート間に、ガス発生剤を混入し
た繊維層を決着した複合材を熱プレスして、所望形状に
成形すると同時にガスを発生させて吸音層を形成させる
ので、従来のようにあらかじめ成形した吸音層を順次組
合せて一体化する必要がなく、一工程において所望形状
の防音材を製造することができる。このため製造コスト
を大幅に削減しえるという利点がある。According to the present invention, a composite material in which a fiber layer mixed with a gas generating agent is fixed between resin sheets is hot-pressed and molded into a desired shape, and at the same time gas is generated to form a sound absorbing layer. There is no need to sequentially combine and integrate pre-formed sound absorbing layers, and a sound insulating material of a desired shape can be manufactured in one step. Therefore, there is an advantage that manufacturing costs can be significantly reduced.
本発明をさらに詳しく説明する。 The present invention will be explained in more detail.
本発明による防音材の製造方法にあっては、まず樹脂シ
ート間にガス発生剤を混入した繊維層を挟着し、複合材
を製造する。In the method for producing a soundproofing material according to the present invention, first, a fiber layer mixed with a gas generating agent is sandwiched between resin sheets to produce a composite material.
前記樹脂シートは本発明において限定されるものではな
く、たとえばナイロン、ポリプロピレンなどの熱可塑性
樹脂、フェノール、ポリエステル、エポキシなどの熱硬
化性樹脂であることができる。The resin sheet is not limited in the present invention, and may be, for example, a thermoplastic resin such as nylon or polypropylene, or a thermosetting resin such as phenol, polyester, or epoxy.
またこの樹脂シートは前述の樹脂にガラス繊維などの無
機繊維、ガラスクロスなどの強化材を混入した強化プラ
スティックであることができる。Further, this resin sheet may be a reinforced plastic made by mixing the above-mentioned resin with a reinforcing material such as inorganic fibers such as glass fibers or glass cloth.
この樹脂シートに挟着される繊維層を形成する材料も本
発明において基本的に限定されるものではない。たとえ
ば、グラスウール、ロックウールなどの無機繊維の他、
有機繊維なども有効に用いうる。The material forming the fiber layer sandwiched between the resin sheets is also not fundamentally limited in the present invention. For example, in addition to inorganic fibers such as glass wool and rock wool,
Organic fibers can also be used effectively.
前記のような繊維層に混入されるガス発生剤としては熱
の作用によりガスを発生させるものであればいかなるも
のでもよい。たとえば炭酸アンモニウム、炭酸水素ナト
リウムなどのように熱分解によってガスを発生させる物
質を用いることができる。The gas generating agent mixed into the fiber layer as described above may be any agent as long as it generates gas by the action of heat. For example, substances that generate gas by thermal decomposition, such as ammonium carbonate and sodium hydrogen carbonate, can be used.
このよう′な複合剤を熱プレスにより所望形状に成形す
るとともに、前記繊維層に今夕されたガス発生剤により
ガスを発生させ、樹脂シート中に密封された吸音層を形
成させる。Such a composite material is molded into a desired shape by hot pressing, and a gas is generated by the gas generating agent applied to the fiber layer to form a sealed sound absorbing layer in the resin sheet.
このように熱プレスにより所望形状への成形と同時に吸
音層の形成を同時に行うのであるから、この時の熱プレ
ス温度は、本来の熱成形条件とともに、ガス発生剤の熱
分解などの条件を同時に充足させる必要がある。In this way, since the sound-absorbing layer is formed at the same time as the molding into the desired shape using heat press, the heat press temperature at this time is adjusted to meet the original thermoforming conditions as well as conditions such as thermal decomposition of the gas generating agent. need to be fulfilled.
第３図は本発明の方法によりシートヘッドカバーを製造
する場合の概略説明図である。FIG. 3 is a schematic explanatory diagram of manufacturing a seat head cover by the method of the present invention.
まず樹脂シート３１．３１間にガラスウールにガス発生
剤を混入した繊維層３２を挟着した。First, a fiber layer 32 made of glass wool mixed with a gas generating agent was sandwiched between resin sheets 31 and 31.
次に熱プレス３３により適正な圧力温度を加えて前記複
合材を熱成形すると同時にガスを発生させた。このとき
、樹脂シート３１．３１の周縁３１０．３１０同志を熱
溶着して密封された吸音層３４を形成せしめた。Next, appropriate pressure and temperature were applied using a hot press 33 to thermoform the composite material and simultaneously generate gas. At this time, the peripheral edges 310 and 310 of the resin sheets 31 and 31 were thermally welded together to form a sealed sound absorbing layer 34.
繊維層３２で発生したガスは成形中の樹脂シート層３５
°を外方向に脹らませ、成形型のキャビティ内に密着す
る作用を行う。The gas generated in the fiber layer 32 is transferred to the resin sheet layer 35 during molding.
It swells outward and works to fit tightly into the cavity of the mold.
製造された防音カバーは第４図に示すように、樹脂製表
皮３５およびこの表皮３５に密封され、かつガス層と繊
維層からなる吸音層３４よりなっている。As shown in FIG. 4, the manufactured soundproof cover includes a resin skin 35 and a sound absorbing layer 34 that is sealed in the skin 35 and includes a gas layer and a fiber layer.
この吸音層は遮音などの防音作用の他、断熱、防振の作
用も営む。This sound-absorbing layer performs not only soundproofing functions such as sound insulation, but also heat insulation and vibration-proofing functions.
本発明によれば、樹脂シート間に、ガス発生剤を混入し
た繊維層を挟着した複合材を熱プレスして、所望形状に
成形すると同時にガスを発生させて吸音層を形成させる
ので、従来のようにあらかじめ成形した吸音層を順次組
合せて一体化する必要がなく、一工程において所望形状
の防音材を製造することができる。このため製造コスト
を大幅に削減しえるという利点がある。According to the present invention, a composite material in which a fiber layer mixed with a gas generating agent is sandwiched between resin sheets is hot-pressed and molded into a desired shape, and at the same time gas is generated to form a sound absorbing layer. There is no need to sequentially combine and integrate pre-formed sound absorbing layers as in the above method, and a sound insulating material having a desired shape can be manufactured in one step. Therefore, there is an advantage that manufacturing costs can be significantly reduced.
第１図（ａ）、山）、（Ｃ１は従来の防音材の製造方法
を説明するための説明図、第２図は従来の防音材の構造
を示す断面図、第３図は本発明の方法の実施例を説明す
るための説明図、第４図は前述の実施例によって製造さ
れた防音カバーの構造を示す断面図である。
■ ・・・シリンダヘッド本体、２ ・・・吸音層、３
・・・防音カバー、３１・・・樹脂シート、３２・・
・繊維層、３３・・・熱プレス、３４・・・吸音層、３
５・・・表皮。Figure 1 (a), mountain), (C1 is an explanatory diagram for explaining the conventional sound insulation material manufacturing method, Figure 2 is a cross-sectional view showing the structure of the conventional sound insulation material, and Figure 3 is the inventive method). An explanatory diagram for explaining an embodiment of the method, FIG. 4 is a cross-sectional view showing the structure of a soundproof cover manufactured by the above-mentioned embodiment. ■...Cylinder head body, 2...Sound absorbing layer, 3
...Soundproof cover, 31...Resin sheet, 32...
・Fiber layer, 33... Heat press, 34... Sound absorption layer, 3
5... Epidermis.
Claims (1)
て複合材を形成し、その後この混合材を熱プレスにより
所望形状に成型すると同時に、前記繊維層にガスを発生
させて密封された吸音層を形成させることを特徴とする
防音材の製造方法。A fiber layer mixed with a gas generating agent is sandwiched between resin sheets to form a composite material, and then this mixed material is molded into a desired shape by heat pressing, and at the same time, a gas is generated in the fiber layer to seal it. A method for producing a soundproofing material, the method comprising forming a sound absorbing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59279016A JPS61154831A (en) | 1984-12-27 | 1984-12-27 | Manufacture of sound insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59279016A JPS61154831A (en) | 1984-12-27 | 1984-12-27 | Manufacture of sound insulation material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61154831A true JPS61154831A (en) | 1986-07-14 |
| JPH0425854B2 JPH0425854B2 (en) | 1992-05-01 |
Family
ID=17605214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59279016A Granted JPS61154831A (en) | 1984-12-27 | 1984-12-27 | Manufacture of sound insulation material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61154831A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2729603A1 (en) * | 1995-01-20 | 1996-07-26 | Reydel Sa | METHOD FOR MANUFACTURING A MULTILAYER OBJECT |
| GB2391836A (en) * | 2002-07-26 | 2004-02-18 | Sun Own Ind Co Ltd | Forming a foam board |
| FR2957552A1 (en) * | 2010-03-22 | 2011-09-23 | Latecoere | Manufacturing heat insulation wall that is useful in aircraft, by forming panel having dimension that is equal to developed surface of wall and combining external and internal plates of panel by thermoforming press and using adhesive films |
| JP5715163B2 (en) * | 2011-01-26 | 2015-05-07 | ニチアス株式会社 | Soundproof material and method for producing the same, soundproof molded body and soundproofing method |
-
1984
- 1984-12-27 JP JP59279016A patent/JPS61154831A/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2729603A1 (en) * | 1995-01-20 | 1996-07-26 | Reydel Sa | METHOD FOR MANUFACTURING A MULTILAYER OBJECT |
| EP0727301A1 (en) * | 1995-01-20 | 1996-08-21 | REYDEL Société Anonyme | Process for making a multilayered article |
| GB2391836A (en) * | 2002-07-26 | 2004-02-18 | Sun Own Ind Co Ltd | Forming a foam board |
| FR2957552A1 (en) * | 2010-03-22 | 2011-09-23 | Latecoere | Manufacturing heat insulation wall that is useful in aircraft, by forming panel having dimension that is equal to developed surface of wall and combining external and internal plates of panel by thermoforming press and using adhesive films |
| JP5715163B2 (en) * | 2011-01-26 | 2015-05-07 | ニチアス株式会社 | Soundproof material and method for producing the same, soundproof molded body and soundproofing method |
| US9093060B2 (en) | 2011-01-26 | 2015-07-28 | Nichias Corporation | Sound-proof material and process for production thereof, sound-proof molding, and sound insulation method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0425854B2 (en) | 1992-05-01 |
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