JPH0375022B2 - - Google Patents

Info

Publication number
JPH0375022B2
JPH0375022B2 JP29125886A JP29125886A JPH0375022B2 JP H0375022 B2 JPH0375022 B2 JP H0375022B2 JP 29125886 A JP29125886 A JP 29125886A JP 29125886 A JP29125886 A JP 29125886A JP H0375022 B2 JPH0375022 B2 JP H0375022B2
Authority
JP
Japan
Prior art keywords
mold
molds
movable
fixed
stamper
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
JP29125886A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63144028A (ja
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 filed Critical
Priority to JP29125886A priority Critical patent/JPS63144028A/ja
Publication of JPS63144028A publication Critical patent/JPS63144028A/ja
Publication of JPH0375022B2 publication Critical patent/JPH0375022B2/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
    • B29C45/561—Injection-compression moulding

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)
JP29125886A 1986-12-05 1986-12-05 ディスク基盤用成形型 Granted JPS63144028A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29125886A JPS63144028A (ja) 1986-12-05 1986-12-05 ディスク基盤用成形型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29125886A JPS63144028A (ja) 1986-12-05 1986-12-05 ディスク基盤用成形型

Publications (2)

Publication Number Publication Date
JPS63144028A JPS63144028A (ja) 1988-06-16
JPH0375022B2 true JPH0375022B2 (en]) 1991-11-28

Family

ID=17766536

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29125886A Granted JPS63144028A (ja) 1986-12-05 1986-12-05 ディスク基盤用成形型

Country Status (1)

Country Link
JP (1) JPS63144028A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2747081B2 (ja) * 1989-03-31 1998-05-06 日立マクセル株式会社 光記録媒体用透明基板の製造方法および成形金型
JP2806515B2 (ja) * 1994-09-16 1998-09-30 筒中プラスチック工業株式会社 合成樹脂中空成形体の成形装置
JPH1170529A (ja) * 1997-08-29 1999-03-16 Seiko Giken:Kk ディスク成形用金型
CN1140396C (zh) 2000-08-04 2004-03-03 株式会社精工技研 圆盘模制模具
DE10233679B4 (de) * 2002-07-24 2006-09-14 Franz Josef Summerer Vorrichtung zum Ausgleichen von beim Spritzprägen auftretenden Kippkräften und Verfahren zum Herstellen von Kunststoff-Formteilen
EP1683620A1 (en) * 2005-01-20 2006-07-26 TDK Corporation An injection mould for an optical disc and a moulding method

Also Published As

Publication number Publication date
JPS63144028A (ja) 1988-06-16

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