JPS6356759B2 - - Google Patents
Info
- Publication number
- JPS6356759B2 JPS6356759B2 JP13106480A JP13106480A JPS6356759B2 JP S6356759 B2 JPS6356759 B2 JP S6356759B2 JP 13106480 A JP13106480 A JP 13106480A JP 13106480 A JP13106480 A JP 13106480A JP S6356759 B2 JPS6356759 B2 JP S6356759B2
- Authority
- JP
- Japan
- Prior art keywords
- polyoxymethylene
- whiskers
- polyethylene
- synthetic pulp
- 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.)
- Expired
Links
- -1 polyoxymethylene Polymers 0.000 claims description 43
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 26
- 229920006324 polyoxymethylene Polymers 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 description 17
- 229920000573 polyethylene Polymers 0.000 description 17
- 230000000704 physical effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13106480A JPS5755695A (en) | 1980-09-20 | 1980-09-20 | Manufacture of acoustic parts using whisker of polyoxymethylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13106480A JPS5755695A (en) | 1980-09-20 | 1980-09-20 | Manufacture of acoustic parts using whisker of polyoxymethylene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5755695A JPS5755695A (en) | 1982-04-02 |
| JPS6356759B2 true JPS6356759B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-11-09 |
Family
ID=15049157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13106480A Granted JPS5755695A (en) | 1980-09-20 | 1980-09-20 | Manufacture of acoustic parts using whisker of polyoxymethylene |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5755695A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5080279B2 (ja) | 2005-07-14 | 2012-11-21 | 株式会社ダイセル | カルボン酸の製造方法 |
| JP2020065145A (ja) * | 2018-10-16 | 2020-04-23 | セイコーエプソン株式会社 | スピーカー用振動板、スピーカーおよびスピーカー用振動板の製造方法 |
-
1980
- 1980-09-20 JP JP13106480A patent/JPS5755695A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5755695A (en) | 1982-04-02 |