JPH0376080B2 - - Google Patents
Info
- Publication number
- JPH0376080B2 JPH0376080B2 JP57225602A JP22560282A JPH0376080B2 JP H0376080 B2 JPH0376080 B2 JP H0376080B2 JP 57225602 A JP57225602 A JP 57225602A JP 22560282 A JP22560282 A JP 22560282A JP H0376080 B2 JPH0376080 B2 JP H0376080B2
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic sheet
- punching
- diaphragm
- chuck
- slide
- 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 - Lifetime
Links
- 229920001169 thermoplastic Polymers 0.000 claims description 34
- 239000004416 thermosoftening plastic Substances 0.000 claims description 34
- 238000004080 punching Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 17
- 238000000465 moulding Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22560282A JPS59114997A (ja) | 1982-12-20 | 1982-12-20 | スピ−カ用振動板の製造方法およびその装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22560282A JPS59114997A (ja) | 1982-12-20 | 1982-12-20 | スピ−カ用振動板の製造方法およびその装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59114997A JPS59114997A (ja) | 1984-07-03 |
JPH0376080B2 true JPH0376080B2 (ko) | 1991-12-04 |
Family
ID=16831892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22560282A Granted JPS59114997A (ja) | 1982-12-20 | 1982-12-20 | スピ−カ用振動板の製造方法およびその装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59114997A (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009017227A1 (ja) | 2007-08-01 | 2009-02-05 | Asahi Kasei Kuraray Medical Co., Ltd. | 電子線滅菌方法 |
JP4649845B2 (ja) * | 2004-02-24 | 2011-03-16 | 東レ株式会社 | 改質基材 |
WO2011102418A1 (ja) | 2010-02-22 | 2011-08-25 | 旭化成クラレメディカル株式会社 | 医療用具及び中空糸膜型医療用具 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02301418A (ja) * | 1989-05-17 | 1990-12-13 | Dainippon Printing Co Ltd | プレスカット装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5021845A (ko) * | 1973-06-29 | 1975-03-08 | ||
JPS56160197A (en) * | 1980-05-13 | 1981-12-09 | Matsushita Electric Ind Co Ltd | Production of speaker diaphragm |
-
1982
- 1982-12-20 JP JP22560282A patent/JPS59114997A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5021845A (ko) * | 1973-06-29 | 1975-03-08 | ||
JPS56160197A (en) * | 1980-05-13 | 1981-12-09 | Matsushita Electric Ind Co Ltd | Production of speaker diaphragm |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4649845B2 (ja) * | 2004-02-24 | 2011-03-16 | 東レ株式会社 | 改質基材 |
WO2009017227A1 (ja) | 2007-08-01 | 2009-02-05 | Asahi Kasei Kuraray Medical Co., Ltd. | 電子線滅菌方法 |
WO2011102418A1 (ja) | 2010-02-22 | 2011-08-25 | 旭化成クラレメディカル株式会社 | 医療用具及び中空糸膜型医療用具 |
Also Published As
Publication number | Publication date |
---|---|
JPS59114997A (ja) | 1984-07-03 |
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