JPS5773594A - Production of diaphragm for speaicer - Google Patents

Production of diaphragm for speaicer

Info

Publication number
JPS5773594A
JPS5773594A JP14816580A JP14816580A JPS5773594A JP S5773594 A JPS5773594 A JP S5773594A JP 14816580 A JP14816580 A JP 14816580A JP 14816580 A JP14816580 A JP 14816580A JP S5773594 A JPS5773594 A JP S5773594A
Authority
JP
Japan
Prior art keywords
fiber materials
diaphragm
foaming agent
foamed
thermal expansion
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.)
Pending
Application number
JP14816580A
Other languages
English (en)
Inventor
Takahisa Sano
Shigeru Sakamoto
Susumu Sato
Shuichi Ichikawa
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.)
FOSTER DENKI KK
Foster Electric Co Ltd
Original Assignee
FOSTER DENKI KK
Foster Electric 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 FOSTER DENKI KK, Foster Electric Co Ltd filed Critical FOSTER DENKI KK
Priority to JP14816580A priority Critical patent/JPS5773594A/ja
Publication of JPS5773594A publication Critical patent/JPS5773594A/ja
Pending 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP14816580A 1980-10-24 1980-10-24 Production of diaphragm for speaicer Pending JPS5773594A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14816580A JPS5773594A (en) 1980-10-24 1980-10-24 Production of diaphragm for speaicer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14816580A JPS5773594A (en) 1980-10-24 1980-10-24 Production of diaphragm for speaicer

Publications (1)

Publication Number Publication Date
JPS5773594A true JPS5773594A (en) 1982-05-08

Family

ID=15446697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14816580A Pending JPS5773594A (en) 1980-10-24 1980-10-24 Production of diaphragm for speaicer

Country Status (1)

Country Link
JP (1) JPS5773594A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58195398A (ja) * 1982-05-10 1983-11-14 Onkyo Corp スピ−カ用振動板の製造方法
JPS58195397A (ja) * 1982-05-10 1983-11-14 Onkyo Corp スピ−カ用振動板の製造方法
JPS58200693A (ja) * 1982-05-17 1983-11-22 Onkyo Corp スピ−カ用振動板
JPS59137690U (ja) * 1983-03-04 1984-09-13 パイオニア株式会社 スピ−カ用振動板
JP2009182773A (ja) * 2008-01-31 2009-08-13 Panasonic Corp スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
JP2011114409A (ja) * 2009-11-24 2011-06-09 Kyocera Chemical Corp スピーカー用振動板、及びその製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339130A (en) * 1976-09-22 1978-04-10 Fujitsu Ltd Cleaning method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339130A (en) * 1976-09-22 1978-04-10 Fujitsu Ltd Cleaning method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58195398A (ja) * 1982-05-10 1983-11-14 Onkyo Corp スピ−カ用振動板の製造方法
JPS58195397A (ja) * 1982-05-10 1983-11-14 Onkyo Corp スピ−カ用振動板の製造方法
JPS58200693A (ja) * 1982-05-17 1983-11-22 Onkyo Corp スピ−カ用振動板
JPS59137690U (ja) * 1983-03-04 1984-09-13 パイオニア株式会社 スピ−カ用振動板
JP2009182773A (ja) * 2008-01-31 2009-08-13 Panasonic Corp スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
JP2011114409A (ja) * 2009-11-24 2011-06-09 Kyocera Chemical Corp スピーカー用振動板、及びその製造方法

Similar Documents

Publication Publication Date Title
KR860005847A (ko) 미소구형체가 함유된 섬유웨브와 그 제조방법 및 그것을 사용하여 제조된 보강제품
SE8204595L (sv) Forfarande for framstellning av hartsimpregnerade fiberkompositmaterial
DE2961416D1 (en) Impregnated porous granules with slow-release pore membranes, and process for the manufacture thereof
ES509962A0 (es) Procedimiento y aparato para controlar la uniformidad de espuma adhesiva celular termoplastica de fusion en caliente, distribuida para asegurar caracteristicas celulares uniformes.otrosi:.
DE2960588D1 (en) Thermoplastic synthetic resins and process for their preparation
JPS54123180A (en) Method of clogging through holes on the wall of resin pipe that are arranged in parallel with the pipe axis
AU2462484A (en) Bonding non-woven webs
JPS5296231A (en) Production of acetylcellulose pulp
IT7968292A0 (it) Cordone composito di resina fibredi carbonio e fibre di vetro parti colarmente per rinforzo di materie plastiche e procedimento per lasua fabbricazione
JPS51131546A (en) Adhesive materials with bulkiness and improved elasticity
JPS5522382A (en) Separator
JPS5437766A (en) Production of flat optical fiber cables
JPS5226600A (en) Process for preparing cationic polymers
JPS5411321A (en) Production of hollow cellulose fibers
JPS56155637A (en) Production of brick composed of granular active agent
JPS5527701A (en) Diaphragm for acoustic apparatus
JPS52129685A (en) Production of material made of closely packed powder-liquid mixture
JPS52101673A (en) Arrangement of hollow fibrous material
JPS52144379A (en) Production of binding material for fibrous diaphragm and diaphragm made of asbestos fibers
JPS5437172A (en) Production of molded foam reinforced with long fibers
JPS5291789A (en) Production of novel cation exchange membrane
JPS5357602A (en) Pneumatic radial tire
JPS53142687A (en) High frequency transmitting system
JPS5321357A (en) Connecting structure for members
JPS5220391A (en) Process for fabricating a fibrous material containing ion exchangers