JPS643395U - - Google Patents
Info
- Publication number
- JPS643395U JPS643395U JP9532587U JP9532587U JPS643395U JP S643395 U JPS643395 U JP S643395U JP 9532587 U JP9532587 U JP 9532587U JP 9532587 U JP9532587 U JP 9532587U JP S643395 U JPS643395 U JP S643395U
- Authority
- JP
- Japan
- Prior art keywords
- frp
- sic whiskers
- thin film
- film sheet
- mainly composed
- 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
- 239000010409 thin film Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000008240 homogeneous mixture Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 229920001187 thermosetting polymer Polymers 0.000 claims 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図は、この考案に係るドーム型スピーカー
振動板を例示した一部切欠側断面図、第２図は別
態様のコーン型スピーカー振動板を例示した一部
切欠斜視図である。
１……ＳｉＣウイスカーを主体に構成された薄
膜シートを強化材とするＦＲＰ、２……長繊維ク
ロスを強化材とするＦＲＰ。
FIG. 1 is a partially cutaway side sectional view illustrating a dome-shaped speaker diaphragm according to the invention, and FIG. 2 is a partially cutaway perspective view illustrating another embodiment of a cone-shaped speaker diaphragm. 1... FRP whose reinforcing material is a thin film sheet mainly composed of SiC whiskers, 2... FRP whose reinforcing material is long fiber cloth.
Claims (1)
ートを強化材とするＦＲＰ、もしくはこれと長繊
維クロスを強化材とするＦＲＰとを一体化した積
層ＦＲＰからなるスピーカ振動板。 ２ ＳｉＣウイスカーを主体に構成された薄膜シ
ートを強化材とするＦＲＰが、ＳｉＣウイスカー
単味またはＳｉＣウイスカーと有機もしくは無機
質の短繊維との均質混合物から形成した厚さ２０
〜１０００μｍの薄膜シートに熱硬化性樹脂を塗
布もしくは含浸してＦＲＰ化したものである実用
新案登録請求の範囲第１項記載のスピーカー振動
板。[Claims for Utility Model Registration] 1. A speaker diaphragm made of FRP reinforced with a thin film sheet mainly composed of SiC whiskers, or a laminated FRP that is integrated with FRP reinforced with long fiber cloth. . 2 FRP whose reinforcing material is a thin film sheet mainly composed of SiC whiskers has a thickness of 20 mm and is formed from single SiC whiskers or a homogeneous mixture of SiC whiskers and organic or inorganic short fibers.
The speaker diaphragm according to claim 1, which has been registered as a utility model and is made of FRP by coating or impregnating a thermosetting resin on a thin film sheet of ~1000 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9532587U JPS643395U (en) | 1987-06-23 | 1987-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9532587U JPS643395U (en) | 1987-06-23 | 1987-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643395U true JPS643395U (en) | 1989-01-10 |
Family
ID=31319984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9532587U Pending JPS643395U (en) | 1987-06-23 | 1987-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0358295U (en) * | 1989-10-14 | 1991-06-06 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517540A (en) * | 1978-07-25 | 1980-02-07 | Toray Industries | Frp provided with layer structure |
| JPS57118497A (en) * | 1981-01-13 | 1982-07-23 | Matsushita Electric Ind Co Ltd | Speaker diaphragm |
-
1987
- 1987-06-23 JP JP9532587U patent/JPS643395U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517540A (en) * | 1978-07-25 | 1980-02-07 | Toray Industries | Frp provided with layer structure |
| JPS57118497A (en) * | 1981-01-13 | 1982-07-23 | Matsushita Electric Ind Co Ltd | Speaker diaphragm |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0358295U (en) * | 1989-10-14 | 1991-06-06 |