DE68912480D1 - Formspritzvorrichtung für die Herstellung eines Substrats einer optischen Platte. - Google Patents

Formspritzvorrichtung für die Herstellung eines Substrats einer optischen Platte.

Info

Publication number
DE68912480D1
DE68912480D1 DE89117408T DE68912480T DE68912480D1 DE 68912480 D1 DE68912480 D1 DE 68912480D1 DE 89117408 T DE89117408 T DE 89117408T DE 68912480 T DE68912480 T DE 68912480T DE 68912480 D1 DE68912480 D1 DE 68912480D1
Authority
DE
Germany
Prior art keywords
optical disk
die part
disk substrate
stamper
outer peripheral
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 - Fee Related
Application number
DE89117408T
Other languages
English (en)
Other versions
DE68912480T2 (de
Inventor
Takehiko Kitamura
Hirosato Amano
Masaharu Kaita
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.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy 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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Publication of DE68912480D1 publication Critical patent/DE68912480D1/de
Application granted granted Critical
Publication of DE68912480T2 publication Critical patent/DE68912480T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C45/03—Injection moulding apparatus
    • B29C45/10—Injection moulding apparatus using moulds or injection units usable in different arrangements or combinations to each other
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • B29C2045/2648—Outer peripheral ring constructions
    • 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
    • B29C2045/2657—Drive means for the outer peripheral ring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/81—Sound record
DE68912480T 1988-09-30 1989-09-20 Formspritzvorrichtung für die Herstellung eines Substrats einer optischen Platte. Expired - Lifetime DE68912480T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63248616A JP2636903B2 (ja) 1988-09-30 1988-09-30 光ディスク基板の射出成形用金型

Publications (2)

Publication Number Publication Date
DE68912480D1 true DE68912480D1 (de) 1994-03-03
DE68912480T2 DE68912480T2 (de) 1994-05-26

Family

ID=17180769

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68912480T Expired - Lifetime DE68912480T2 (de) 1988-09-30 1989-09-20 Formspritzvorrichtung für die Herstellung eines Substrats einer optischen Platte.

Country Status (7)

Country Link
US (1) US5018962A (de)
EP (1) EP0361305B1 (de)
JP (1) JP2636903B2 (de)
KR (1) KR0136374B1 (de)
AT (1) ATE100621T1 (de)
CA (1) CA1321690C (de)
DE (1) DE68912480T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2642158B2 (ja) * 1988-08-16 1997-08-20 住友重機械工業株式会社 光ディスク基板成形用金型
JP2791087B2 (ja) * 1989-03-17 1998-08-27 株式会社日立製作所 光方式ディスク基板とその製造方法
US5330693A (en) * 1990-09-18 1994-07-19 Canon Kabushiki Kaisha Process and apparatus for injection-molding product having minute surface pattern and central hole
JPH0460417U (de) * 1990-09-28 1992-05-25
NL9002517A (nl) * 1990-11-19 1992-06-16 Philips Nv Werkwijze voor het vervaardigen van een optisch uitleesbare plaat, alsmede inrichting voor de uitvoering van de werkwijze.
DE69322606T2 (de) * 1992-11-04 1999-07-15 Tdk Corp Verfahren und Vorrichtung zur Herstellung von Substraten einer optischen Platte
US5340303A (en) * 1993-07-20 1994-08-23 Galic Maus Ventures Faster cycling sprue for centerhole - tearout optical disk injection molds
US5503963A (en) * 1994-07-29 1996-04-02 The Trustees Of Boston University Process for manufacturing optical data storage disk stamper
JPH10154359A (ja) * 1996-11-21 1998-06-09 Matsushita Electric Ind Co Ltd 薄肉部品の成形方法およびその装置
US6139307A (en) * 1998-07-23 2000-10-31 Imation Corp. Assembly for molding optical data storage disks formatted on both sides
US7179551B2 (en) 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media
EP1166264A1 (de) 1999-02-12 2002-01-02 General Electric Company Datenaufzeichnungsmedium
US6678238B1 (en) * 1999-12-29 2004-01-13 Imation Corp. Mold for manufacturing double-sided disk shaped articles for storing data
AT410192B (de) * 2000-05-17 2003-02-25 Dovids Gerhard Ing Formwerkzeug zum spritzprägen
JP4524893B2 (ja) * 2000-09-14 2010-08-18 ソニー株式会社 成形金型装置
US6821460B2 (en) 2001-07-16 2004-11-23 Imation Corp. Two-sided replication of data storage media
JP2006153231A (ja) * 2004-12-01 2006-06-15 Denso Corp アクチュエータの製造方法
US7214052B2 (en) * 2005-01-06 2007-05-08 Awm Mold Tech Ag Injection-molding tool for the production of disc-shaped information carriers
US7537445B2 (en) * 2006-10-27 2009-05-26 Trelleborg Sealing Solutions Us, Inc. Injection molding assembly having a product remover with a biasing member
KR20090107686A (ko) * 2008-04-10 2009-10-14 삼성전자주식회사 사출성형장치
CN102452153A (zh) * 2010-10-25 2012-05-16 鸿富锦精密工业（深圳）有限公司 模具顶出装置及注塑成型设备
KR101628777B1 (ko) * 2013-11-29 2016-06-16 티엔에스(주) 고분자 기판의 제조를 위한 사출금형과 고분자 기판 제조방법
CN113524586B (zh) * 2021-06-17 2023-04-18 安徽亦宣金属科技有限公司 一种化妆品粉底盒生产用外壳成型模具
CN113619033B (zh) * 2021-08-20 2023-06-06 江苏星科精密模具有限公司 一种易脱模汽车车灯注塑模具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118168A (en) * 1977-05-02 1978-10-03 Husky Injection Molding Systems Limited Guidance system for shallow articles discharged from a mold cavity
NL7904113A (nl) * 1979-05-25 1980-11-27 Philips Nv Optisch uitleesbare informatieschijf, werkwijze voor de vervaardiging ervan alsmede een inrichting voor het uitvoeren van deze werkwijze.
DE3223133A1 (de) * 1982-06-21 1983-12-22 Polygram Gmbh, 2000 Hamburg Entformungseinrichtung fuer eine press- bzw. spritzgussform
JPS6195919A (ja) * 1984-10-18 1986-05-14 Sony Corp 射出成形機
ATE71575T1 (de) * 1986-02-26 1992-02-15 Meiki Seisakusho Kk Formvorrichtung und verfahren zum herstellen von platten mit mittelloch.
JPS63227315A (ja) * 1986-10-15 1988-09-21 Gifu Hasukii Kk スタンパ交換機能を備えたディスク用射出成形金型およびそのスタンパ交換方法
JPH0675888B2 (ja) * 1986-11-28 1994-09-28 ソニー株式会社 デイスクの射出成形方法

Also Published As

Publication number Publication date
KR0136374B1 (ko) 1998-04-25
KR900004476A (ko) 1990-04-12
ATE100621T1 (de) 1994-02-15
EP0361305A2 (de) 1990-04-04
JPH0295819A (ja) 1990-04-06
US5018962A (en) 1991-05-28
DE68912480T2 (de) 1994-05-26
CA1321690C (en) 1993-08-31
EP0361305A3 (de) 1991-01-30
EP0361305B1 (de) 1994-01-19
JP2636903B2 (ja) 1997-08-06

Similar Documents

Publication Publication Date Title
DE68912480T2 (de) Formspritzvorrichtung für die Herstellung eines Substrats einer optischen Platte.
BR8106960A (pt) Conjunto de valvula conjunto de molde para uma maquina de moldagem com injecao e processo para se controlar o fluxo de material
MY100857A (en) Method and apparatus for the manufacture of composite articles, and articles made thereby
ES2093264T3 (es) Moldeo por inyeccion de polimeros termoplasticos.
DE59507663D1 (de) Verfahren und Vorrichtung zur Herstellung optischen Linsen
ATE226736T1 (de) Herstellungsverfahren für lichtreflektierendes bauelement
EP0596413A3 (de) Verfahren und Vorrichtung zur Herstellung von Substraten einer optischen Platte.
ATE150694T1 (de) Formvorrichtung zur herstellung eines scheibenförmigen substrates und mittels dieser formvorrichtung hergestelltes scheibenförmiges substrat
DE3750819D1 (de) Formzusammenbau für Spritzgiessmaschine.
JPS62256623A (ja) 熱可塑性プラスチツク材料からなる情報担体デイスクを射出成形するための射出成形用金型
EP0338906A3 (de) Verfahren und Herstellung eines formatierten Substrates für eine optische Scheibe und Spritzform für dessen Verwendung
AU7119991A (en) Device for and method of removing products after injection moulding
US5693348A (en) Disc molding die
JP2002074756A5 (de)
KR940018828A (ko) 광학 기록매체의 생산을 위한 주형 제조용 기질판(substrate plate) 및 그 제조방법
ATE55315T1 (de) Formschliesseinheit an kunststoffspritzgiessmaschine.
JPS55135638A (en) Injection molding of polyamide
JPS6478810A (en) Manufacture of wheel employing tow-color injection molding machine
Kudo et al. Method of Moulding a Disc Shaped Substrate for an Optical Information Carrier
JPS6438214A (en) Method for molding product having closure film
Courtney Design of Experiment for an Injection Molded Cooling Fan
KR970017284A (ko) 광디스크 제조방법
GB1027341A (en) Improvements in or relating to moulding apparatus
JPH0699451A (ja) 薄肉基板の樹脂成形方法及び樹脂成形金型
JPH07251434A (ja) 光学製品の射出成形方法

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee