JPS6210078B2 - - Google Patents
Info
- Publication number
- JPS6210078B2 JPS6210078B2 JP9540279A JP9540279A JPS6210078B2 JP S6210078 B2 JPS6210078 B2 JP S6210078B2 JP 9540279 A JP9540279 A JP 9540279A JP 9540279 A JP9540279 A JP 9540279A JP S6210078 B2 JPS6210078 B2 JP S6210078B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- intermediate layer
- carbon fiber
- layers
- layer
- 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
- 239000010410 layer Substances 0.000 claims description 32
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 19
- 239000004917 carbon fiber Substances 0.000 claims description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 15
- 239000011230 binding agent Substances 0.000 claims description 13
- 229920000642 polymer Polymers 0.000 claims description 8
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- ZHIBBILVBZUFFS-UHFFFAOYSA-N 1,3-bis(tert-butylperoxy)benzene Chemical compound CC(C)(C)OOC1=CC=CC(OOC(C)(C)C)=C1 ZHIBBILVBZUFFS-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- 241000156978 Erebia Species 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical compound CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- JDVIRCVIXCMTPU-UHFFFAOYSA-N ethanamine;trifluoroborane Chemical compound CCN.FB(F)F JDVIRCVIXCMTPU-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- DVQHRBFGRZHMSR-UHFFFAOYSA-N sodium methyl 2,2-dimethyl-4,6-dioxo-5-(N-prop-2-enoxy-C-propylcarbonimidoyl)cyclohexane-1-carboxylate Chemical compound [Na+].C=CCON=C(CCC)[C-]1C(=O)CC(C)(C)C(C(=O)OC)C1=O DVQHRBFGRZHMSR-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic 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
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
- H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Laminated Bodies (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9540279A JPS5619296A (en) | 1979-07-26 | 1979-07-26 | Speaker diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9540279A JPS5619296A (en) | 1979-07-26 | 1979-07-26 | Speaker diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5619296A JPS5619296A (en) | 1981-02-23 |
| JPS6210078B2 true JPS6210078B2 (enrdf_load_stackoverflow) | 1987-03-04 |
Family
ID=14136662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9540279A Granted JPS5619296A (en) | 1979-07-26 | 1979-07-26 | Speaker diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5619296A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629285A (en) * | 1984-02-21 | 1986-12-16 | Fusion Uv Curing Systems Corporation | Color coded optical fiber waveguides and method for coloring same |
| JPH0440177Y2 (enrdf_load_stackoverflow) * | 1984-09-14 | 1992-09-21 | ||
| JP6173010B2 (ja) * | 2013-04-24 | 2017-08-02 | 三菱鉛筆株式会社 | 炭素質音響振動板とその製造方法 |
-
1979
- 1979-07-26 JP JP9540279A patent/JPS5619296A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5619296A (en) | 1981-02-23 |
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