JPS63144028A - ディスク基盤用成形型 - Google Patents

ディスク基盤用成形型

Info

Publication number
JPS63144028A
JPS63144028A JP29125886A JP29125886A JPS63144028A JP S63144028 A JPS63144028 A JP S63144028A JP 29125886 A JP29125886 A JP 29125886A JP 29125886 A JP29125886 A JP 29125886A JP S63144028 A JPS63144028 A JP S63144028A
Authority
JP
Japan
Prior art keywords
mold
movable
molds
face
fixed
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
JP29125886A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0375022B2 (enrdf_load_stackoverflow
Inventor
Shunichi Shimojo
駿一 下條
Ikuo Asai
郁夫 浅井
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.)
Meiki Seisakusho KK
Original Assignee
Meiki Seisakusho KK
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 Meiki Seisakusho KK filed Critical Meiki Seisakusho KK
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 true JPS63144028A (ja) 1988-06-16
JPH0375022B2 JPH0375022B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03278339A (ja) * 1989-03-31 1991-12-10 Hitachi Maxell Ltd 光記録媒体用透明基板の製造方法および成形金型
JPH0885146A (ja) * 1994-09-16 1996-04-02 Tsutsunaka Plast Ind Co Ltd 合成樹脂中空成形体の成形装置
EP0899075A1 (en) * 1997-08-29 1999-03-03 Seikoh Giken Co., Ltd. Disc-molding die
SG89414A1 (en) * 2000-08-04 2002-06-18 Seiko Giken Kk Disc-molding mold
WO2004016411A1 (de) * 2002-07-24 2004-02-26 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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03278339A (ja) * 1989-03-31 1991-12-10 Hitachi Maxell Ltd 光記録媒体用透明基板の製造方法および成形金型
JPH0885146A (ja) * 1994-09-16 1996-04-02 Tsutsunaka Plast Ind Co Ltd 合成樹脂中空成形体の成形装置
EP0899075A1 (en) * 1997-08-29 1999-03-03 Seikoh Giken Co., Ltd. Disc-molding die
SG89414A1 (en) * 2000-08-04 2002-06-18 Seiko Giken Kk Disc-molding mold
US6558152B2 (en) 2000-08-04 2003-05-06 Seikoh Giken Co., Ltd. Disc-molding mold
WO2004016411A1 (de) * 2002-07-24 2004-02-26 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
JPH0375022B2 (enrdf_load_stackoverflow) 1991-11-28

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