JPS6097819A - デイスク製造方法 - Google Patents

デイスク製造方法

Info

Publication number
JPS6097819A
JPS6097819A JP58206383A JP20638383A JPS6097819A JP S6097819 A JPS6097819 A JP S6097819A JP 58206383 A JP58206383 A JP 58206383A JP 20638383 A JP20638383 A JP 20638383A JP S6097819 A JPS6097819 A JP S6097819A
Authority
JP
Japan
Prior art keywords
mold
resin
disc
end surface
disk
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
JP58206383A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0116648B2 (enExample
Inventor
Takeshi Ishida
石田　彪
Yoshihiro Ishida
石田　吉博
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.)
Ishida Scales Manufacturing Co Ltd
Ishida Co Ltd
Original Assignee
Ishida Scales Manufacturing Co Ltd
Ishida 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 Ishida Scales Manufacturing Co Ltd, Ishida Co Ltd filed Critical Ishida Scales Manufacturing Co Ltd
Priority to JP58206383A priority Critical patent/JPS6097819A/ja
Publication of JPS6097819A publication Critical patent/JPS6097819A/ja
Publication of JPH0116648B2 publication Critical patent/JPH0116648B2/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP58206383A 1983-11-01 1983-11-01 デイスク製造方法 Granted JPS6097819A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58206383A JPS6097819A (ja) 1983-11-01 1983-11-01 デイスク製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58206383A JPS6097819A (ja) 1983-11-01 1983-11-01 デイスク製造方法

Publications (2)

Publication Number Publication Date
JPS6097819A true JPS6097819A (ja) 1985-05-31
JPH0116648B2 JPH0116648B2 (enExample) 1989-03-27

Family

ID=16522429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58206383A Granted JPS6097819A (ja) 1983-11-01 1983-11-01 デイスク製造方法

Country Status (1)

Country Link
JP (1) JPS6097819A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417899A (en) * 1989-11-01 1995-05-23 Sumitomo Heavy Industries, Ltd. Injection compression molding method for compact discs or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417899A (en) * 1989-11-01 1995-05-23 Sumitomo Heavy Industries, Ltd. Injection compression molding method for compact discs or the like

Also Published As

Publication number Publication date
JPH0116648B2 (enExample) 1989-03-27

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