JPS6356760B2 - - Google Patents
Info
- Publication number
- JPS6356760B2 JPS6356760B2 JP13106580A JP13106580A JPS6356760B2 JP S6356760 B2 JPS6356760 B2 JP S6356760B2 JP 13106580 A JP13106580 A JP 13106580A JP 13106580 A JP13106580 A JP 13106580A JP S6356760 B2 JPS6356760 B2 JP S6356760B2
- Authority
- JP
- Japan
- Prior art keywords
- polyoxymethylene
- synthetic resin
- diaphragm
- whiskers
- whisker
- 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 38
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 21
- 229920006324 polyoxymethylene Polymers 0.000 claims description 21
- 239000011230 binding agent Substances 0.000 claims description 7
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 description 16
- 229920000573 polyethylene Polymers 0.000 description 16
- 229920003002 synthetic resin Polymers 0.000 description 14
- 239000000057 synthetic resin Substances 0.000 description 14
- 239000002131 composite material Substances 0.000 description 9
- 230000000704 physical effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 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
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin 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)
- Compositions Of Macromolecular Compounds (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13106580A JPS5755696A (en) | 1980-09-20 | 1980-09-20 | Acoustic parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13106580A JPS5755696A (en) | 1980-09-20 | 1980-09-20 | Acoustic parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5755696A JPS5755696A (en) | 1982-04-02 |
| JPS6356760B2 true JPS6356760B2 (enrdf_load_stackoverflow) | 1988-11-09 |
Family
ID=15049180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13106580A Granted JPS5755696A (en) | 1980-09-20 | 1980-09-20 | Acoustic parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5755696A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59158197A (ja) * | 1983-02-25 | 1984-09-07 | Agency Of Ind Science & Technol | スピ−カ用振動板 |
-
1980
- 1980-09-20 JP JP13106580A patent/JPS5755696A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5755696A (en) | 1982-04-02 |
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