JPS59114997A - スピ−カ用振動板の製造方法およびその装置 - Google Patents

スピ−カ用振動板の製造方法およびその装置

Info

Publication number
JPS59114997A
JPS59114997A JP57225602A JP22560282A JPS59114997A JP S59114997 A JPS59114997 A JP S59114997A JP 57225602 A JP57225602 A JP 57225602A JP 22560282 A JP22560282 A JP 22560282A JP S59114997 A JPS59114997 A JP S59114997A
Authority
JP
Japan
Prior art keywords
sheet
mold
thermoplastic sheet
molding
punching
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.)
Granted
Application number
JP57225602A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0376080B2 (show.php
Inventor
Kazuro Okuzawa
和朗 奥沢
Hideo Mukai
秀夫 向井
Shigeru Nishida
滋 西田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57225602A priority Critical patent/JPS59114997A/ja
Publication of JPS59114997A publication Critical patent/JPS59114997A/ja
Publication of JPH0376080B2 publication Critical patent/JPH0376080B2/ja
Granted legal-status Critical Current

Links

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)
JP57225602A 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 Granted JPS59114997A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57225602A 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
JP57225602A 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 true JPS59114997A (ja) 1984-07-03
JPH0376080B2 JPH0376080B2 (show.php) 1991-12-04

Family

ID=16831892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57225602A 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 (show.php)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200924802A (en) 2007-08-01 2009-06-16 Asahi Kasei Kuraray Medical Co Electron beam sterilization method
US20120318727A1 (en) 2010-02-22 2012-12-20 Asahi Kasei Medical Co., Ltd. Medical device and hollow fiber membrane-based medical device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021845A (show.php) * 1973-06-29 1975-03-08
JPS56160197A (en) * 1980-05-13 1981-12-09 Matsushita Electric Ind Co Ltd Production of speaker diaphragm

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021845A (show.php) * 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 (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPH0376080B2 (show.php) 1991-12-04

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