JPS6019518A - 高密度情報記録担体用プラスチツクデイスクの射出成形方法および金型組立体 - Google Patents

高密度情報記録担体用プラスチツクデイスクの射出成形方法および金型組立体

Info

Publication number
JPS6019518A
JPS6019518A JP12618383A JP12618383A JPS6019518A JP S6019518 A JPS6019518 A JP S6019518A JP 12618383 A JP12618383 A JP 12618383A JP 12618383 A JP12618383 A JP 12618383A JP S6019518 A JPS6019518 A JP S6019518A
Authority
JP
Japan
Prior art keywords
annular
runner
mold assembly
mold
gate
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
JP12618383A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0257766B2 (en]
Inventor
Shinji Tokuhara
徳原　慎二
Zenjiro Honda
善次郎 本田
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 JP12618383A priority Critical patent/JPS6019518A/ja
Publication of JPS6019518A publication Critical patent/JPS6019518A/ja
Publication of JPH0257766B2 publication Critical patent/JPH0257766B2/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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • 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
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • B29C2045/2714—Gates elongated, e.g. film-like, annular

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP12618383A 1983-07-13 1983-07-13 高密度情報記録担体用プラスチツクデイスクの射出成形方法および金型組立体 Granted JPS6019518A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12618383A JPS6019518A (ja) 1983-07-13 1983-07-13 高密度情報記録担体用プラスチツクデイスクの射出成形方法および金型組立体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12618383A JPS6019518A (ja) 1983-07-13 1983-07-13 高密度情報記録担体用プラスチツクデイスクの射出成形方法および金型組立体

Publications (2)

Publication Number Publication Date
JPS6019518A true JPS6019518A (ja) 1985-01-31
JPH0257766B2 JPH0257766B2 (en]) 1990-12-05

Family

ID=14928739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12618383A Granted JPS6019518A (ja) 1983-07-13 1983-07-13 高密度情報記録担体用プラスチツクデイスクの射出成形方法および金型組立体

Country Status (1)

Country Link
JP (1) JPS6019518A (en])

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01264820A (ja) * 1988-04-16 1989-10-23 Daicel Chem Ind Ltd フォーマット入り光ディスク基板成形用金型
JPH0267116A (ja) * 1988-09-01 1990-03-07 Meiki Co Ltd ディスク成形方法及びそのための成形型
KR100454733B1 (ko) * 2001-04-20 2004-11-05 엘지전선 주식회사 합성수지제품의 사출압축성형용 금형 및 사출압축 성형방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01264820A (ja) * 1988-04-16 1989-10-23 Daicel Chem Ind Ltd フォーマット入り光ディスク基板成形用金型
JPH0267116A (ja) * 1988-09-01 1990-03-07 Meiki Co Ltd ディスク成形方法及びそのための成形型
KR100454733B1 (ko) * 2001-04-20 2004-11-05 엘지전선 주식회사 합성수지제품의 사출압축성형용 금형 및 사출압축 성형방법

Also Published As

Publication number Publication date
JPH0257766B2 (en]) 1990-12-05

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