JPS6187616U - - Google Patents

Info

Publication number
JPS6187616U
JPS6187616U JP17355884U JP17355884U JPS6187616U JP S6187616 U JPS6187616 U JP S6187616U JP 17355884 U JP17355884 U JP 17355884U JP 17355884 U JP17355884 U JP 17355884U JP S6187616 U JPS6187616 U JP S6187616U
Authority
JP
Japan
Prior art keywords
metal diaphragm
lower mold
diaphragm material
recess
inert gas
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
JP17355884U
Other languages
English (en)
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 filed Critical
Priority to JP17355884U priority Critical patent/JPS6187616U/ja
Publication of JPS6187616U publication Critical patent/JPS6187616U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)

Description

【図面の簡単な説明】
図は本考案になる金属振動板成型装置の一実施
例を示す図である。 1…金属振動板素材、2…上型(メス型)、3
…下型、4…シリコンゴム、5,6…ヒータ、7
…上側ダイセツト、8…下側ダイセツト、9…窒
素ガス導入管、10…電気加熱炉、11…窒素ガ
スボンベ、12…弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 加熱された上型及び下型に夫々設けた凹部の間
    に配した金属振動板素材を前記下型の凹部に送り
    込まれる不活性ガスによつてガス圧成型する金属
    振動板成型装置であつて、前記金属振動板素材の
    エツジ部分を前記下型の凹部の周囲に嵌込んだ耐
    熱性のあるゴムによつて成型し、前記金属振動板
    素材のドーム部分を前記下型の凹部に送り込まれ
    る加熱した不活性ガスによつて成型するよう構成
    したことを特徴とする金属振動板成型装置。
JP17355884U 1984-11-15 1984-11-15 Pending JPS6187616U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17355884U JPS6187616U (ja) 1984-11-15 1984-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17355884U JPS6187616U (ja) 1984-11-15 1984-11-15

Publications (1)

Publication Number Publication Date
JPS6187616U true JPS6187616U (ja) 1986-06-07

Family

ID=30731211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17355884U Pending JPS6187616U (ja) 1984-11-15 1984-11-15

Country Status (1)

Country Link
JP (1) JPS6187616U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63274295A (ja) * 1987-04-30 1988-11-11 Yamaha Corp 音響機器用振動板の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63274295A (ja) * 1987-04-30 1988-11-11 Yamaha Corp 音響機器用振動板の製造方法

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