JPS6330849B2 - - Google Patents

Info

Publication number
JPS6330849B2
JPS6330849B2 JP55144024A JP14402480A JPS6330849B2 JP S6330849 B2 JPS6330849 B2 JP S6330849B2 JP 55144024 A JP55144024 A JP 55144024A JP 14402480 A JP14402480 A JP 14402480A JP S6330849 B2 JPS6330849 B2 JP S6330849B2
Authority
JP
Japan
Prior art keywords
diaphragm
mold
molding method
thermoplastic resin
film
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.)
Expired
Application number
JP55144024A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5766937A (en
Inventor
Michizo Saeki
Tetsuo Ikeda
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.)
Onkyo Corp
Original Assignee
Onkyo 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 Onkyo Corp filed Critical Onkyo Corp
Priority to JP14402480A priority Critical patent/JPS5766937A/ja
Publication of JPS5766937A publication Critical patent/JPS5766937A/ja
Publication of JPS6330849B2 publication Critical patent/JPS6330849B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4273—Auxiliary operations after the blow-moulding operation not otherwise provided for
    • B29C49/4278—Cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3418—Loud speakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP14402480A 1980-10-14 1980-10-14 Forming method of vibration sheet for speaker Granted JPS5766937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14402480A JPS5766937A (en) 1980-10-14 1980-10-14 Forming method of vibration sheet for speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14402480A JPS5766937A (en) 1980-10-14 1980-10-14 Forming method of vibration sheet for speaker

Publications (2)

Publication Number Publication Date
JPS5766937A JPS5766937A (en) 1982-04-23
JPS6330849B2 true JPS6330849B2 (ru) 1988-06-21

Family

ID=15352547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14402480A Granted JPS5766937A (en) 1980-10-14 1980-10-14 Forming method of vibration sheet for speaker

Country Status (1)

Country Link
JP (1) JPS5766937A (ru)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4457487B2 (ja) * 2000-11-15 2010-04-28 パナソニック株式会社 スピーカの製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50141467A (ru) * 1974-04-26 1975-11-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50141467A (ru) * 1974-04-26 1975-11-13

Also Published As

Publication number Publication date
JPS5766937A (en) 1982-04-23

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