JPS635959B2 - - Google Patents
Info
- Publication number
- JPS635959B2 JPS635959B2 JP13106680A JP13106680A JPS635959B2 JP S635959 B2 JPS635959 B2 JP S635959B2 JP 13106680 A JP13106680 A JP 13106680A JP 13106680 A JP13106680 A JP 13106680A JP S635959 B2 JPS635959 B2 JP S635959B2
- Authority
- JP
- Japan
- Prior art keywords
- polyoxymethylene
- diaphragm
- young
- thermosetting resin
- 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
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 16
- -1 polyoxymethylene Polymers 0.000 claims description 16
- 229920006324 polyoxymethylene Polymers 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 16
- 229920001187 thermosetting polymer Polymers 0.000 claims description 16
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920004552 POLYLITE® Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- DYGOPFFOGFHOIB-UHFFFAOYSA-N methylperoxyethane Chemical compound CCOOC DYGOPFFOGFHOIB-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 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 |
|---|---|---|---|
| JP13106680A JPS5755697A (en) | 1980-09-20 | 1980-09-20 | Acoustic parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13106680A JPS5755697A (en) | 1980-09-20 | 1980-09-20 | Acoustic parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5755697A JPS5755697A (en) | 1982-04-02 |
| JPS635959B2 true JPS635959B2 (enrdf_load_stackoverflow) | 1988-02-05 |
Family
ID=15049203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13106680A Granted JPS5755697A (en) | 1980-09-20 | 1980-09-20 | Acoustic parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5755697A (enrdf_load_stackoverflow) |
-
1980
- 1980-09-20 JP JP13106680A patent/JPS5755697A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5755697A (en) | 1982-04-02 |
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