JPS62246709A - 光デイスクの射出成形法 - Google Patents

光デイスクの射出成形法

Info

Publication number
JPS62246709A
JPS62246709A JP8018886A JP8018886A JPS62246709A JP S62246709 A JPS62246709 A JP S62246709A JP 8018886 A JP8018886 A JP 8018886A JP 8018886 A JP8018886 A JP 8018886A JP S62246709 A JPS62246709 A JP S62246709A
Authority
JP
Japan
Prior art keywords
molding
cavity
molding cavity
molten resin
mold
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
JP8018886A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0579009B2 (de
Inventor
Akihiro Inotsuka
猪塚　昭博
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.)
Daicel Corp
Original Assignee
Daicel Chemical Industries 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 Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Priority to JP8018886A priority Critical patent/JPS62246709A/ja
Publication of JPS62246709A publication Critical patent/JPS62246709A/ja
Publication of JPH0579009B2 publication Critical patent/JPH0579009B2/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
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP8018886A 1986-04-09 1986-04-09 光デイスクの射出成形法 Granted JPS62246709A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8018886A JPS62246709A (ja) 1986-04-09 1986-04-09 光デイスクの射出成形法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8018886A JPS62246709A (ja) 1986-04-09 1986-04-09 光デイスクの射出成形法

Publications (2)

Publication Number Publication Date
JPS62246709A true JPS62246709A (ja) 1987-10-27
JPH0579009B2 JPH0579009B2 (de) 1993-11-01

Family

ID=13711397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8018886A Granted JPS62246709A (ja) 1986-04-09 1986-04-09 光デイスクの射出成形法

Country Status (1)

Country Link
JP (1) JPS62246709A (de)

Also Published As

Publication number Publication date
JPH0579009B2 (de) 1993-11-01

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