JPS6214891U - - Google Patents
Info
- Publication number
- JPS6214891U JPS6214891U JP10623885U JP10623885U JPS6214891U JP S6214891 U JPS6214891 U JP S6214891U JP 10623885 U JP10623885 U JP 10623885U JP 10623885 U JP10623885 U JP 10623885U JP S6214891 U JPS6214891 U JP S6214891U
- Authority
- JP
- Japan
- Prior art keywords
- dome
- resin film
- shaped diaphragm
- fiber
- diaphragm
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims 3
- 239000004917 carbon fiber Substances 0.000 claims 3
- 239000000835 fiber Substances 0.000 claims 3
- 239000003522 acrylic cement Substances 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920000098 polyolefin Polymers 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図は製造途中段階の斜視図、第２図は完成
品の半縦断面図である。
１は打抜き孔、２は補強体、３は樹脂フイルム
である。
FIG. 1 is a perspective view at an intermediate stage of manufacturing, and FIG. 2 is a half-longitudinal sectional view of the finished product. 1 is a punched hole, 2 is a reinforcing body, and 3 is a resin film.
Claims (1)
状で、かつ外周縁部を除く箇所に複数の打抜き孔
１，１′を有する補強体２を形成し、この補強体
２の外側に樹脂フイルム３を重合位置させて一体
に接合してなるドーム形振動板。 前記繊維がカーボン繊維である実用新案登録
請求の範囲第項に記載のドーム形振動板。 前記樹脂フイルム３がポリオレフイン系合成
樹脂フイルムである実用新案登録請求の範囲第
項に記載のドーム形振動板。 前記カーボン繊維が、繊維長５ミリメートル
、１０ミリメートル、及び３０ミリメートルのも
のを４：４：２の割合で配合したものである実用
新案登録請求の範囲第項に記載のドーム形振動
板。 前記補強体２が、前記カーボン繊維をアクリ
ル系接着剤をバインダーとして抄造し、プレス成
形し、かつ打抜きして形成されたものである実用
新案登録請求の範囲第項又は第項に記載のド
ーム形振動板。[Claims for Utility Model Registration] A reinforcing body 2 is formed from a composite material whose main material is fiber, and has a dome shape and has a plurality of punched holes 1 and 1' in locations other than the outer peripheral edge. A dome-shaped diaphragm formed by integrally bonding a resin film 3 on the outside of the diaphragm. The dome-shaped diaphragm according to claim 1, wherein the fibers are carbon fibers. The dome-shaped diaphragm according to claim 1, wherein the resin film 3 is a polyolefin synthetic resin film. The dome-shaped diaphragm according to claim 1, wherein the carbon fibers have fiber lengths of 5 mm, 10 mm, and 30 mm in a ratio of 4:4:2. The dome shape according to claim 1 or 2, wherein the reinforcing body 2 is formed by paper-making the carbon fiber using an acrylic adhesive as a binder, press-molding, and punching. diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10623885U JPS6214891U (en) | 1985-07-10 | 1985-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10623885U JPS6214891U (en) | 1985-07-10 | 1985-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6214891U true JPS6214891U (en) | 1987-01-29 |
Family
ID=30981409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10623885U Pending JPS6214891U (en) | 1985-07-10 | 1985-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6214891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011015233A (en) * | 2009-07-02 | 2011-01-20 | Yamaha Corp | Dynamic speaker unit and collective speaker system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52145024A (en) * | 1976-03-19 | 1977-12-02 | Datsudorei Haautsudo Hatsuji | Electroacoustic transmitter vibrating plate |
| JPS5917797A (en) * | 1982-07-21 | 1984-01-30 | Toshiba Corp | Speaker diaphragm |
-
1985
- 1985-07-10 JP JP10623885U patent/JPS6214891U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52145024A (en) * | 1976-03-19 | 1977-12-02 | Datsudorei Haautsudo Hatsuji | Electroacoustic transmitter vibrating plate |
| JPS5917797A (en) * | 1982-07-21 | 1984-01-30 | Toshiba Corp | Speaker diaphragm |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011015233A (en) * | 2009-07-02 | 2011-01-20 | Yamaha Corp | Dynamic speaker unit and collective speaker system |
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