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 (2
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; ELECTRIC HEARING AIDS; 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 (2) 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 (2)

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
CN102770169B (zh) 2010-02-22 2015-08-26 旭化成医疗株式会社 医疗用具及中空纤维膜型医疗用具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021845A (2) * 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 (2) * 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 (2) 1991-12-04

Similar Documents

Publication Publication Date Title
JP2001058295A (ja) 成形用プレス装置
JPH08318570A (ja) 真空成形同時巻込トリミング装置
JPH10244325A (ja) 順送り深絞り加工装置
JPS5951000A (ja) 順送り加工方法
JPS59114997A (ja) スピ−カ用振動板の製造方法およびその装置
CN206868901U (zh) 一种汽车天窗类切边整形装置
JP3070285B2 (ja) プレス加工方法及びその装置
JPS6228410Y2 (2)
EP0714752A3 (en) Method and arrangement for three-dimensional deformation of fabrics
US4127374A (en) Apparatus for manufacturing the cups of a brassiere from a fabric of synthetic material
CN109433916A (zh) 一种汽车立板上部安装支架连续加工方法及加工设备
CN209534341U (zh) 袋用贴膜热合装置
JPS60206535A (ja) モ−ルデイング類の曲げ加工装置
CN206633442U (zh) 一种膜片生产治具
JPH1177815A (ja) 積層成形体の成形装置
JPH0153623B2 (2)
JP3036152B2 (ja) 熱可塑性樹脂シートのプレス成形装置
JP3503525B2 (ja) 金属板状材と合成樹脂材の一体化した製品の製造方法
JPS5861927A (ja) 連続プレス加工におけるドロ−・スリツト型装置
JPH081593A (ja) 化学繊維内装材成型装置
CN208437492U (zh) 汽车排气系统支架的连续模具
CN213256610U (zh) 导向环连续冲压成型模具
JPH0691639A (ja) プリプレグの積層装置及びその積層方法
JPS59225831A (ja) 絞り抜き加工方法及びその装置
CN209666319U (zh) 一种应用于hp-rtm引擎盖外板预成型体的成型系统