JPS625519B2 - - Google Patents
Info
- Publication number
- JPS625519B2 JPS625519B2 JP927280A JP927280A JPS625519B2 JP S625519 B2 JPS625519 B2 JP S625519B2 JP 927280 A JP927280 A JP 927280A JP 927280 A JP927280 A JP 927280A JP S625519 B2 JPS625519 B2 JP S625519B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- skin material
- core material
- skin
- back surfaces
- 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
- 239000000463 material Substances 0.000 claims description 26
- 239000011162 core material Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 210000002425 internal capsule Anatomy 0.000 claims 2
- 239000012815 thermoplastic material Substances 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229920005992 thermoplastic resin Polymers 0.000 description 5
- 229920000459 Nitrile rubber Polymers 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 239000002775 capsule Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005096 rolling process Methods 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
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP927280A JPS56107695A (en) | 1980-01-31 | 1980-01-31 | Acoustic diaphragm and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP927280A JPS56107695A (en) | 1980-01-31 | 1980-01-31 | Acoustic diaphragm and its preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56107695A JPS56107695A (en) | 1981-08-26 |
| JPS625519B2 true JPS625519B2 (en]) | 1987-02-05 |
Family
ID=11715811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP927280A Granted JPS56107695A (en) | 1980-01-31 | 1980-01-31 | Acoustic diaphragm and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56107695A (en]) |
-
1980
- 1980-01-31 JP JP927280A patent/JPS56107695A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56107695A (en) | 1981-08-26 |
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