JPS56143504A - Method and device for reproducing information recording carrier - Google Patents

Method and device for reproducing information recording carrier

Info

Publication number
JPS56143504A
JPS56143504A JP4788380A JP4788380A JPS56143504A JP S56143504 A JPS56143504 A JP S56143504A JP 4788380 A JP4788380 A JP 4788380A JP 4788380 A JP4788380 A JP 4788380A JP S56143504 A JPS56143504 A JP S56143504A
Authority
JP
Japan
Prior art keywords
carrying material
metallic mold
center
injection
press plate
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
JP4788380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6346481B2 (enrdf_load_html_response
Inventor
Keisuke Ito
Toshiaki Kashihara
Setsuji Nakagawa
Yoshihiro Okino
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 JP4788380A priority Critical patent/JPS56143504A/ja
Publication of JPS56143504A publication Critical patent/JPS56143504A/ja
Publication of JPS6346481B2 publication Critical patent/JPS6346481B2/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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • 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
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Magnetic Record Carriers (AREA)
JP4788380A 1980-04-10 1980-04-10 Method and device for reproducing information recording carrier Granted JPS56143504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4788380A JPS56143504A (en) 1980-04-10 1980-04-10 Method and device for reproducing information recording carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4788380A JPS56143504A (en) 1980-04-10 1980-04-10 Method and device for reproducing information recording carrier

Publications (2)

Publication Number Publication Date
JPS56143504A true JPS56143504A (en) 1981-11-09
JPS6346481B2 JPS6346481B2 (enrdf_load_html_response) 1988-09-16

Family

ID=12787781

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4788380A Granted JPS56143504A (en) 1980-04-10 1980-04-10 Method and device for reproducing information recording carrier

Country Status (1)

Country Link
JP (1) JPS56143504A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS6346481B2 (enrdf_load_html_response) 1988-09-16

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