JPS5755697A - Acoustic parts - Google Patents

Acoustic parts

Info

Publication number
JPS5755697A
JPS5755697A JP13106680A JP13106680A JPS5755697A JP S5755697 A JPS5755697 A JP S5755697A JP 13106680 A JP13106680 A JP 13106680A JP 13106680 A JP13106680 A JP 13106680A JP S5755697 A JPS5755697 A JP S5755697A
Authority
JP
Japan
Prior art keywords
whiskers
polyoxymethylene
sheet
acoustic parts
naphthnate
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
JP13106680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS635959B2 (OSRAM
Inventor
Masatoshi Iguchi
Yasushi Watanabe
Masaru Uryu
Mio Nishi
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.)
KOGYO GIJIYUTSUIN SENI KOBUNSHI ZAIRYO KENKYUSHO
Sony Corp
Original Assignee
KOGYO GIJIYUTSUIN SENI KOBUNSHI ZAIRYO KENKYUSHO
Sony Corp
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 KOGYO GIJIYUTSUIN SENI KOBUNSHI ZAIRYO KENKYUSHO, Sony Corp filed Critical KOGYO GIJIYUTSUIN SENI KOBUNSHI ZAIRYO KENKYUSHO
Priority to JP13106680A priority Critical patent/JPS5755697A/ja
Publication of JPS5755697A publication Critical patent/JPS5755697A/ja
Publication of JPS635959B2 publication Critical patent/JPS635959B2/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
    • 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP13106680A 1980-09-20 1980-09-20 Acoustic parts Granted JPS5755697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13106680A JPS5755697A (en) 1980-09-20 1980-09-20 Acoustic parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13106680A JPS5755697A (en) 1980-09-20 1980-09-20 Acoustic parts

Publications (2)

Publication Number Publication Date
JPS5755697A true JPS5755697A (en) 1982-04-02
JPS635959B2 JPS635959B2 (OSRAM) 1988-02-05

Family

ID=15049203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13106680A Granted JPS5755697A (en) 1980-09-20 1980-09-20 Acoustic parts

Country Status (1)

Country Link
JP (1) JPS5755697A (OSRAM)

Also Published As

Publication number Publication date
JPS635959B2 (OSRAM) 1988-02-05

Similar Documents

Publication Publication Date Title
ES444682A1 (es) Procedimiento de fabricacion de paneles configurados.
GB1352198A (en) Manufacture of perforated reinforced plastics members
GB1335651A (en) Cheese moulds
DE3880514D1 (de) Kontinuierliches verfahren zur herstellung von formmassen auf der basis von polyphenylenethern und polyamiden.
JPS6429417A (en) Epoxy resin composition
JPS5755697A (en) Acoustic parts
ATE51547T1 (de) Formeinrichtung zur herstellung von formteilen.
JPS57178715A (en) Manufacture of synthetic resin-made three-dimensional impeller in volute pump
JPS5755696A (en) Acoustic parts
GB1443067A (en) Storagestable and thermosetting mixtures
GB1169121A (en) Use of Epoxide Resins for Casting Spectacle Frames or Parts Thereof
GB611708A (en) A method of producing shaped articles from a plastic composition
JPS57106296A (en) Acoustic material and the manufacturing method
NL7505674A (nl) Werkwijze voor het bereiden van krimpvrije hard- bare harsmassa's op basis van onverzadigde po- lyesterharsen die geschikt zijn voor het berei- den van vrij vloeiende vormmassa's alsmede ge- heel of ten dele uit deze harsmassa's bestaand gevormd voortbrengsel.
JPS53140397A (en) Sheet molding compound
JPS5634717A (en) Resin composition
JPS5646726A (en) Molding method for polyurethane product
JPS5438279A (en) Production of strengthened forous membrabe
JPS564998A (en) Manufacture of edge for speaker diaphragm
JPS57176121A (en) Molding of frp
GB1132964A (en) Moulding of polymeric materials
JPS6438427A (en) Epoxy resin molding material
JPS6059877B2 (ja) ハマグリ貝調碁石の製造方法
JPS5582608A (en) Production of mold
JPS55121044A (en) Transfer molding equipment capable of continuous molding