JP2805502B2 - Soundproofing sheet and material forming machine for soundproofing sheet - Google Patents
Soundproofing sheet and material forming machine for soundproofing sheetInfo
- Publication number
- JP2805502B2 JP2805502B2 JP1178340A JP17834089A JP2805502B2 JP 2805502 B2 JP2805502 B2 JP 2805502B2 JP 1178340 A JP1178340 A JP 1178340A JP 17834089 A JP17834089 A JP 17834089A JP 2805502 B2 JP2805502 B2 JP 2805502B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- shaped material
- rollers
- shaped
- soundproofing sheet
- 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
- Laminated Bodies (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
【発明の詳細な説明】 a. 産業上の利用分野 本発明は防音シート及び防音シート用素材の成形機に
関するものである。Description: TECHNICAL FIELD The present invention relates to a sound-insulating sheet and a molding machine for a material for a sound-insulating sheet.
b. 従来の技術 防音シートとしては、ゴム板，繊維混入ゴム板，重金
属混入ゴム板，コルク板，発泡プラスチック板等が使用
されている。b. Conventional technology As a soundproof sheet, a rubber plate, a rubber plate mixed with fibers, a rubber plate mixed with heavy metals, a cork plate, a foamed plastic plate, and the like are used.
c. 発明が解決しようとする課題 しかしながら、これらの製品は、いずれも防音性能に
限界があり、特に集合住宅においては、壁，床等の厚さ
に制限があるため、隣室，上下階間の遮音には必ずしも
十分とは言えない。c. Problems to be Solved by the Invention However, all of these products have limited soundproofing performance, especially in apartment buildings, where the thickness of walls and floors is limited. Sound insulation is not always enough.
そこで、本発明の目的は、防音性能を向上させた、即
ち厚さを薄くしても十分な遮音が図れる防音シートを提
供し、併せて、その防音シートの素材の成形機を提供す
ることにある。Therefore, an object of the present invention is to provide a soundproofing sheet having improved soundproofing performance, that is, providing a sufficient soundproofing even if the thickness is reduced, and to provide a molding machine for the material of the soundproofing sheet. is there.
d. 課題を解決するための手段 本発明に係る防音シートは、第１板状素材及び第２板
状素材の各表面を波状面に形成し、該波状面がそれぞれ
交差するように配置し、上記第１板状素材と第２板状素
材との表面同士を貼り合わせて成る複合板を有する防音
シートにおいて、上記各表面の波状面１′a,2′ａを曲
面によって形成することにより、上記第１板状素材１′
と第２板状素材２′とを点接触させるように構成してい
る。d. Means for Solving the Problems The soundproof sheet according to the present invention is such that each surface of the first plate-shaped material and the second plate-shaped material is formed in a wavy surface, and arranged so that the wavy surfaces intersect, In the soundproof sheet having a composite plate formed by laminating the surfaces of the first plate-shaped material and the second plate-shaped material, the corrugated surfaces 1′a and 2′a of the respective surfaces are formed by curved surfaces, The first plate-shaped material 1 '
And the second plate-shaped material 2 ′ is brought into point contact.
この防音シートに使用される板状素材は、ブタジエン
スチレンゴム（SBR），イソプレンゴム，天然ゴム等の
ゴム板、或るいは重金属混入発泡プラスチック等の材
料、即ち単体であっても防音性に富んだ材料によって形
成される。The plate-shaped material used for this soundproof sheet is a rubber plate such as butadiene styrene rubber (SBR), isoprene rubber, natural rubber, or a material such as foamed plastic mixed with heavy metals. Formed by the material.
また、板状素材の貼り合わせ面に形成される凹凸は、
波形（正弦波，矩形波等）または多数の突起である。こ
の凹凸は、必要な強度が得られる範囲内で、相手の板状
素材との接触面積が可及的に小さくなるように形状，ピ
ッチ等が設定される。例えば波形の場合には、山と谷の
厚みの比率は２〜５対１の範囲、好ましくは２〜３対１
の比率、また山と山との間隔（ピッチ）は板状素材の厚
みの１〜６倍、好ましくは１〜２倍が良い。In addition, the unevenness formed on the bonding surface of the plate-like material,
It is a waveform (sine wave, rectangular wave, etc.) or a number of protrusions. The shape and pitch of the irregularities are set so that the contact area with the mating plate material is as small as possible within a range in which the required strength is obtained. For example, in the case of a waveform, the ratio of the thickness of the peak to the valley is in the range of 2 to 5: 1, preferably 2 to 3: 1.
And the interval (pitch) between the peaks is 1 to 6 times, preferably 1 to 2 times the thickness of the plate-shaped material.
さらに、互いに貼り合わされる板状素材は、一方の素
材にのみ凹凸面を形成して、該面を他方の板状素材の平
面に貼着させてもよく、また両方の板状素材に波状の凹
凸面を形成し、それらの面の波が直交するようにして両
板状素材を貼り合わせてもよい。また、上記両板状素材
は、異種材料（例えばゴム板−重金属入発泡プラスチッ
ク板等）が好ましい。Further, the plate-like materials to be bonded to each other may form an uneven surface only on one of the materials, and this surface may be adhered to the flat surface of the other plate-like material. An uneven surface may be formed, and the two plate-shaped materials may be bonded so that the waves on those surfaces are orthogonal to each other. Further, the two plate-like materials are preferably made of different materials (for example, rubber plate-foamed plastic plate containing heavy metal).
板状素材の凹凸面は、該素材をプレス加硫成形或るい
はスライスすることによって得られる。しかし、所望と
する任意の厚み（凸部の高さ），凹部の深さのものを容
易に得るためには、一対の偏心ローラを有し、かつそれ
らのローラが一定間隔を保って回転する成形板送り手段
と、上記ローラ間に配設された刃とを備えた素材成形機
を使用することが有利である。The uneven surface of the plate-shaped material can be obtained by press vulcanization molding or slicing the material. However, in order to easily obtain a desired thickness (height of the convex portion) and depth of the concave portion, a pair of eccentric rollers are provided, and these rollers rotate at a constant interval. It is advantageous to use a blank forming machine with a forming plate feeding means and a blade arranged between the rollers.
この成形機は、上記ローラ間に成形板を挾持させ、そ
れらのローラを回転させることによって、該成形板を上
記刃に対して送り込んで、該成形板をスライスする。上
記成形ローラは瓢箪形ローラが好ましく、それらのロー
ラを互いに90度の位相差をもたせて設置する。上記板状
素材の波状面の山の高さ，山のピッチ等は、ローラの形
状，大きさ等を変更することによって適宜に変えること
ができる。In this molding machine, a molding plate is sandwiched between the rollers, and the rollers are rotated to feed the molding plate to the blade and to slice the molding plate. The forming rollers are preferably gourd-shaped rollers, and these rollers are installed with a phase difference of 90 degrees from each other. The height of the peaks, the pitch of the peaks, and the like of the wavy surface of the plate-shaped material can be appropriately changed by changing the shape and size of the rollers.
e. 実施例 SBR粉に１対１の割合でポリアミド繊維を混合し、こ
れを加熱加硫により第１図に示したように成形板１を成
形する。e. Example Polyamide fibers are mixed with SBR powder at a ratio of 1: 1 and the mixture is heated and vulcanized to form a molded plate 1 as shown in FIG.
また、公知の方法によって硫酸バリウム混入塩化ビニ
ル発泡板体２を成形する。The barium sulfate-mixed vinyl chloride foam plate 2 is formed by a known method.
そして、この板1,2をそれぞれ第２図に示したような
一対の瓢箪形ローラ3a,3bと刃４とを備えた成形機５に
よってスライスする。The plates 1 and 2 are sliced by a forming machine 5 having a pair of gourd-shaped rollers 3a and 3b and a blade 4 as shown in FIG.
この成形機５では、ローラ3a,3b間に板１を差込み、
ローラ3a,3bを回転させると、板１はローラ3a,3bによっ
て刃４に向けて搬送される。そして、板１は刃４によっ
て切込まれる。その際、板１は刃４に向けて搬送されな
がら、上下に変位されるので、スライスされた板状素材
１′は、その一方面に波状面１′ａが形成される。In this molding machine 5, the plate 1 is inserted between the rollers 3a and 3b,
When the rollers 3a and 3b are rotated, the plate 1 is transported toward the blade 4 by the rollers 3a and 3b. Then, the plate 1 is cut by the blade 4. At this time, since the plate 1 is displaced up and down while being conveyed toward the blade 4, the sliced plate material 1 'has a wavy surface 1'a formed on one surface thereof.
同様にして、板２も成形機５によって成形し、一方面
に波状面２′ａを有する板状素材２′を得る。Similarly, the plate 2 is formed by the forming machine 5 to obtain a plate-shaped material 2 'having a wavy surface 2'a on one surface.
このようにして得られた板状素材１′,2′の山部の厚
みはh0＝10mm、谷部の厚みはh1＝5mm、山と山のピッチ
はＰ＝16mmである。Thus plate material 1 obtained ', 2' crests of the thickness of h 0 = 10 mm, the thickness of the valleys h 1 = 5 mm, the pitch of the crests is P = 16 mm.
そして、上記板状素材１′,2′を、それらの波状面
１′a,2′ａの波が第４図に示したように、互いに直交
するようにして接着して複合板６を得る。この複合板６
は、板状素材１′,2′が互いに山の交差部において点接
触しているだけで、その他の部分においては中空部７が
形成される。Then, the plate-like materials 1 'and 2' are bonded together so that the waves of the wavy surfaces 1'a and 2'a are orthogonal to each other as shown in FIG. . This composite plate 6
Is that only the plate-shaped materials 1 'and 2' are in point contact with each other at the intersection of the ridges, and a hollow portion 7 is formed in other portions.
さらに、この複合板６の一方面に、第５図に示したよ
うに厚さ12mmの木質系板体８を貼り合わせて製品とし
た。Further, as shown in FIG. 5, a timber-based plate 8 having a thickness of 12 mm was bonded to one surface of the composite plate 6 to obtain a product.
このようにして得られた製品は、日本工業規格に準じ
た防音性能Ｌ−55を満足した。The product thus obtained satisfied the soundproofing performance L-55 according to Japanese Industrial Standards.
f. 発明の効果 上記したように、本発明に係る防音シートは、第１板
状素材及び第２板状素材の各表面を波状面に形成し、該
波状面がそれぞれ交差するように配置し、上記第１板状
素材と第２板状素材との表面同士を貼り合わせて成る複
合板を有する防音シートにおいて、上記各表面の波状面
１′a,2′ａを曲面によって形成することにより、上記
第１板状素材１′と第２板状素材２′とを点接触させる
ように構成しているので、接触形式が面接触の場合に比
較して接触面積が非常に小さくなる。このため、音の伝
播による透過及び音のエネルギーが大幅に減衰し、防音
性能が著しく向上する。f. Effects of the Invention As described above, the soundproof sheet according to the present invention has the first plate-shaped material and the second plate-shaped material each having a corrugated surface, and is arranged such that the corrugated surfaces intersect. A sound-insulating sheet having a composite plate formed by laminating the surfaces of the first plate-shaped material and the second plate-shaped material, wherein the corrugated surfaces 1'a, 2'a of the respective surfaces are formed by curved surfaces. Since the first plate-shaped material 1 'and the second plate-shaped material 2' are configured to make point contact with each other, the contact area is very small as compared with the case where the contact type is surface contact. For this reason, transmission and sound energy due to sound propagation are greatly attenuated, and the soundproofing performance is significantly improved.
また、本発明に係る成形機は、断面が瓢箪形状をし、
互いに略90゜の位相差をもって回転する一対の成形ロー
ラ3a,3bを上下に間隔を隔てて配設している。このた
め、特開昭55−37332号に開示されているように、成形
軸に複数のリング等の部品を取り付ける必要がなく、成
形ローラ3a,3bの作成が容易になり、コストも安価であ
る。また、リングの位置がずれて、シート表面の模様が
変化するおそれもない。The molding machine according to the present invention has a gourd-shaped cross section,
A pair of forming rollers 3a and 3b that rotate with a phase difference of about 90 ° from each other are arranged vertically at an interval. For this reason, as disclosed in JP-A-55-37332, there is no need to attach a plurality of rings or other components to the forming shaft, and the forming rollers 3a and 3b can be easily manufactured and the cost is low. . Further, there is no possibility that the position of the ring is shifted and the pattern on the sheet surface is changed.
第１図乃至第５図は本発明に係る防音シートの製造過程
を示したもので、第１図はその成形板を示した斜視図、
第２図（ａ）〜（ｄ）はその成形板を成形機によってス
ライスする際の加工状態を示した概念的な断面図、第３
図は成形機によって得られた板状素材を示した斜視図、
第４図はその板状素材を互いに貼り合わせた複合板を示
した斜視図、第５図はさらに複合板に木質系板体を貼り
合わせた製品を示した斜視図である。 1,2……成形板、 １′,2′……板状素材、 １′a,2′ａ……波状面、 3a,3b……瓢箪形ローラ、 ４……刃、 ５……成形機、 ７……中空部、 ８……木質系板体。1 to 5 show a production process of the soundproof sheet according to the present invention, and FIG. 1 is a perspective view showing a molded plate thereof.
2 (a) to 2 (d) are conceptual cross-sectional views showing processing states when the formed plate is sliced by a forming machine.
The figure is a perspective view showing a plate-like material obtained by a molding machine,
FIG. 4 is a perspective view showing a composite board in which the plate-like materials are bonded to each other, and FIG. 5 is a perspective view showing a product in which a wooden board is further bonded to the composite board. 1,2: Forming plate, 1 ', 2': Plate material, 1'a, 2'a: Wavy surface, 3a, 3b: Gourd roller, 4: Blade, 5: Forming machine 7 Hollow part 8 Wooden board.
Claims (3)
波状面に形成し、該波状面がそれぞれ交差するように配
置し、上記第１板状素材と第２板状素材との表面同士を
貼り合わせて成る複合板を有する防音シートにおいて、
上記各表面の波状面１′a,2′ａを曲面によって形成す
ることにより、上記第１板状素材１′と第２板状素材
２′とを点接触させるように構成したことを特徴とする
防音シート。1. The first plate-shaped material and the second plate-shaped material are formed such that respective surfaces of the first plate-shaped material and the second plate-shaped material are corrugated, and the corrugated surfaces are intersected with each other. In a soundproof sheet having a composite plate formed by laminating the surfaces of
The corrugated surfaces 1'a and 2'a of the respective surfaces are formed by curved surfaces so that the first plate-shaped material 1 'and the second plate-shaped material 2' are brought into point contact with each other. Soundproof sheet.
２′の裏面に木質系板状体８を貼り合わせたことを特徴
とする請求項１に記載の防音シート。2. The soundproof sheet according to claim 1, wherein a wood-based plate 8 is attached to the back surface of the first plate-shaped material 1 'or the second plate-shaped material 2'.
差をもって回転する一対の成形ローラ3a,3bを上下に間
隔を隔てて配設し、該成形ローラ3a,3bの間に刃４を設
けたことを特徴とする防音シート用素材の成形機。3. A pair of forming rollers 3a, 3b having a gourd-shaped cross section and rotating with a phase difference of about 90 ° from each other are disposed at an interval above and below, and a blade is provided between the forming rollers 3a, 3b. A molding machine for a material for a soundproof sheet, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1178340A JP2805502B2 (en) | 1989-07-11 | 1989-07-11 | Soundproofing sheet and material forming machine for soundproofing sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1178340A JP2805502B2 (en) | 1989-07-11 | 1989-07-11 | Soundproofing sheet and material forming machine for soundproofing sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0343241A JPH0343241A (en) | 1991-02-25 |
| JP2805502B2 true JP2805502B2 (en) | 1998-09-30 |
Family
ID=16046781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1178340A Expired - Lifetime JP2805502B2 (en) | 1989-07-11 | 1989-07-11 | Soundproofing sheet and material forming machine for soundproofing sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2805502B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102846019A (en) * | 2012-10-10 | 2013-01-02 | 佛山市顺德区锡山家具有限公司 | Composite desktop board |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4524138B2 (en) * | 2004-04-23 | 2010-08-11 | 株式会社イノアックコーポレーション | Cushion sheet, wave splitting processing apparatus, and wave splitting processing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5537332A (en) * | 1978-09-08 | 1980-03-15 | Furukawa Electric Co Ltd:The | Production of foam plate with unevenness at its surface |
| JPS5627332A (en) * | 1979-08-15 | 1981-03-17 | Toyo Rubber Chem Ind Co Ltd | Patterning device for foamed body |
| JPS57114013U (en) * | 1981-01-06 | 1982-07-14 | ||
| JPS61150121U (en) * | 1985-03-09 | 1986-09-17 |
-
1989
- 1989-07-11 JP JP1178340A patent/JP2805502B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102846019A (en) * | 2012-10-10 | 2013-01-02 | 佛山市顺德区锡山家具有限公司 | Composite desktop board |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343241A (en) | 1991-02-25 |
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