JPH0116649B2 - - Google Patents

Info

Publication number
JPH0116649B2
JPH0116649B2 JP20638483A JP20638483A JPH0116649B2 JP H0116649 B2 JPH0116649 B2 JP H0116649B2 JP 20638483 A JP20638483 A JP 20638483A JP 20638483 A JP20638483 A JP 20638483A JP H0116649 B2 JPH0116649 B2 JP H0116649B2
Authority
JP
Japan
Prior art keywords
disk
injection nozzle
resin
end surface
diameter
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
JP20638483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6097820A (ja
Inventor
Takeshi Ishida
Yoshihiro Ishida
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
Original Assignee
Ishida Scales Manufacturing 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 filed Critical Ishida Scales Manufacturing Co Ltd
Priority to JP20638483A priority Critical patent/JPS6097820A/ja
Publication of JPS6097820A publication Critical patent/JPS6097820A/ja
Publication of JPH0116649B2 publication Critical patent/JPH0116649B2/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
    • B29C45/5605—Rotatable mould parts
    • 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
    • B29C45/2703—Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates
    • B29C2045/2706—Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates rotatable sprue bushings or runner channels for controlling runner flow in one cavity
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs
    • B29L2017/005—CD''s, DVD''s

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)
  • Manufacturing Optical Record Carriers (AREA)
JP20638483A 1983-11-01 1983-11-01 デイスク製造方法 Granted JPS6097820A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20638483A JPS6097820A (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
JP20638483A JPS6097820A (ja) 1983-11-01 1983-11-01 デイスク製造方法

Publications (2)

Publication Number Publication Date
JPS6097820A JPS6097820A (ja) 1985-05-31
JPH0116649B2 true JPH0116649B2 (enExample) 1989-03-27

Family

ID=16522445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20638483A Granted JPS6097820A (ja) 1983-11-01 1983-11-01 デイスク製造方法

Country Status (1)

Country Link
JP (1) JPS6097820A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62246708A (ja) * 1986-04-09 1987-10-27 Daicel Chem Ind Ltd 光デイスク用プラスチツク基板の射出成形法
IL113739A (en) * 1995-05-15 1998-03-10 Shellcase Ltd Bonding machine
CN111469364B (zh) * 2020-05-19 2020-11-06 安徽万有新材料有限公司 一种离心式自动注塑设备

Also Published As

Publication number Publication date
JPS6097820A (ja) 1985-05-31

Similar Documents

Publication Publication Date Title
JPH0260502B2 (enExample)
JPS61241115A (ja) 圧縮加圧成形可能な樹脂成形用金型
CN1124923C (zh) 合型单元
JPH0116649B2 (enExample)
JPH02193301A (ja) ターンテーブル組立体、その製造方法及びディスクプレイヤ
JPH0245970B2 (ja) Deisukuseizohoho
WO2001059781A1 (en) Disk-like recording medium and method for producing the same
WO1989003757A1 (fr) Compresseur pour machines de moulage a injection par compression
JP3082381B2 (ja) ディスク原盤裏面研磨装置
JP3626012B2 (ja) 金型圧縮射出成形方法
JPH0579011B2 (enExample)
JPH0948045A (ja) 金型装置
JPH0116648B2 (enExample)
JPH0438635A (ja) ディスク基板成型用スタンパ及びディスク基板の成型方法
JP3082382B2 (ja) ディスク原盤裏面研磨装置
JP2004066773A (ja) レンズ鏡枠一体成形型
JP3314685B2 (ja) ディスクの回転装置
JPS62246708A (ja) 光デイスク用プラスチツク基板の射出成形法
JPH01264644A (ja) 光デイスク基板の製造方法
JPH0825140B2 (ja) 研磨装置
JPH0811164A (ja) 射出成形方法および射出成形用の金型
JP3077411B2 (ja) 薄肉基板の樹脂成形方法及び樹脂成形金型
JP3383387B2 (ja) 光ディスク用基板及びこの光ディスク用基板の成形用金型
JPH03280279A (ja) 光ディスク及びその製法
JPH0579010B2 (enExample)