ATE135953T1 - Spritzgiessdruckverfahren für cd-platten oder dergleichen - Google Patents

Spritzgiessdruckverfahren für cd-platten oder dergleichen

Info

Publication number
ATE135953T1
ATE135953T1 AT90120833T AT90120833T ATE135953T1 AT E135953 T1 ATE135953 T1 AT E135953T1 AT 90120833 T AT90120833 T AT 90120833T AT 90120833 T AT90120833 T AT 90120833T AT E135953 T1 ATE135953 T1 AT E135953T1
Authority
AT
Austria
Prior art keywords
pressure
records
injection molding
molding process
injection
Prior art date
Application number
AT90120833T
Other languages
English (en)
Inventor
Takehiko Kitamura
Original Assignee
Sumitomo Heavy Industries
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 filed Critical Sumitomo Heavy Industries
Application granted granted Critical
Publication of ATE135953T1 publication Critical patent/ATE135953T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • 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
    • 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
    • B29C2045/566—Reducing compression pressure during cooling of the moulded material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AT90120833T 1989-11-01 1990-10-30 Spritzgiessdruckverfahren für cd-platten oder dergleichen ATE135953T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1283043A JP2906349B2 (ja) 1989-11-01 1989-11-01 光ディスク基板の製造方法

Publications (1)

Publication Number Publication Date
ATE135953T1 true ATE135953T1 (de) 1996-04-15

Family

ID=17660473

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90120833T ATE135953T1 (de) 1989-11-01 1990-10-30 Spritzgiessdruckverfahren für cd-platten oder dergleichen

Country Status (8)

Country Link
US (1) US5417899A (de)
EP (1) EP0426129B1 (de)
JP (1) JP2906349B2 (de)
KR (1) KR0148262B1 (de)
AT (1) ATE135953T1 (de)
AU (1) AU639949B2 (de)
CA (1) CA2029093C (de)
DE (1) DE69026189T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657872B2 (fr) * 1989-11-06 1992-06-12 Sanofi Sa Derive d'amidino-4 chromanne, procede d'obtention et compositions pharmaceutiques le contenant.
US6331263B1 (en) * 1993-12-22 2001-12-18 Idemitsu Petrochemical Co., Ltd. Method for producing laminated moldings
US5683630A (en) * 1994-06-20 1997-11-04 Matsushita Electric Industrial Co., Ltd. Process for making optical disk substrates
US5547619A (en) * 1994-09-30 1996-08-20 The Japan Steel Works, Ltd. Toggle type injection molding process
US6413461B1 (en) * 1998-05-08 2002-07-02 Sumitomo Chemical Company, Limited Process for producing multilayer molded article
US6090335A (en) * 1999-01-08 2000-07-18 Northrop Grumman Corporation Process of forming fiber reinforced composite articles using an insitu cured resin infusion port
US7097791B2 (en) 2000-02-09 2006-08-29 Netstal Maschinen Ag Method of controlling/regulating an embossing procedure and drive control device for injection molding machines
EP1138459A3 (de) * 2000-03-30 2002-04-03 Matsushita Electric Industrial Co., Ltd. Steuerung des Schliessdrucks in einer Spritzgiessmaschine
TWI272176B (en) * 2004-05-31 2007-02-01 Gigastorage Corp An optical recording medium substrate of 0.4 mm thickness and method of injection molding same
US7763191B2 (en) * 2005-05-27 2010-07-27 Gentex Optics, Inc. Method and apparatus for performing an in-mold coining operation
US8202407B1 (en) 2009-01-06 2012-06-19 Arthur Don Harmala Apparatus and method for manufacturing polycarbonate solar cells
US20100170566A1 (en) * 2009-01-06 2010-07-08 Arthur Don Harmala Apparatus and method for manufacturing polymer solar cells
AT521442B1 (de) 2018-07-12 2021-07-15 Engel Austria Gmbh Dynamische Anpassung der Schließkraft

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131596A (en) * 1977-08-22 1978-12-26 Logic Devices, Inc. Sensing system and method for plastic injection molding
JPS608021A (ja) * 1983-06-28 1985-01-16 Tekunopurasu:Kk 圧縮成形方法
JPS6097819A (ja) * 1983-11-01 1985-05-31 Ishida Koki Seisakusho:Kk デイスク製造方法
JPS6153019A (ja) * 1984-08-24 1986-03-15 Canon Inc 射出圧縮成形機
JPS61205112A (ja) * 1985-03-08 1986-09-11 Idemitsu Petrochem Co Ltd 射出圧縮成形方法
JPS629926A (ja) * 1985-07-09 1987-01-17 Hitachi Ltd 光デイスク基板成形方法
JPS6218234A (ja) * 1985-07-17 1987-01-27 Mitsubishi Heavy Ind Ltd 射出成形方法
JPS6183016A (ja) * 1985-07-19 1986-04-26 Nissei Plastics Ind Co 射出圧縮成形機
JPS6268722A (ja) * 1985-09-20 1987-03-28 Toshiba Mach Co Ltd 射出圧縮成形方法
JPS62198428A (ja) * 1986-02-26 1987-09-02 Toshiba Corp 射出圧縮成形法
JPS62204451A (ja) * 1986-03-03 1987-09-09 Daicel Chem Ind Ltd 光デイスク用プラスチツク基板とその製法
GB2193681B (en) * 1986-07-30 1989-12-13 Toshiba Machine Co Ltd A method of controlling mold clamping and compression in an injection molding machine
JPS6394806A (ja) * 1986-10-09 1988-04-25 Toshiba Mach Co Ltd 射出圧縮成形の制御方法
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
JPS6434775A (en) * 1987-07-30 1989-02-06 Toshiba Corp Printer device
JPH01146720A (ja) * 1987-12-03 1989-06-08 Toshiba Mach Co Ltd 射出圧縮成形の型締圧力制御方法および射出圧縮成形機
JPH078514B2 (ja) * 1988-04-18 1995-02-01 ダイセル化学工業株式会社 光ディスク用プラスチック基板の射出成形法

Also Published As

Publication number Publication date
US5417899A (en) 1995-05-23
AU639949B2 (en) 1993-08-12
KR910009425A (ko) 1991-06-28
AU6554990A (en) 1991-05-09
EP0426129A3 (en) 1991-11-13
CA2029093A1 (en) 1991-05-02
DE69026189D1 (de) 1996-05-02
EP0426129A2 (de) 1991-05-08
CA2029093C (en) 1999-08-03
KR0148262B1 (ko) 1998-08-17
JP2906349B2 (ja) 1999-06-21
DE69026189T2 (de) 1996-08-29
EP0426129B1 (de) 1996-03-27
JPH03146321A (ja) 1991-06-21

Similar Documents

Publication Publication Date Title
ATE135953T1 (de) Spritzgiessdruckverfahren für cd-platten oder dergleichen
KR870010933A (ko) 열가소성 수지의 사출 성형 방법 및 장치
EP1106326A4 (de) Spritzdruckgussverfahren für optisch geformte produkte
DE59507663D1 (de) Verfahren und Vorrichtung zur Herstellung optischen Linsen
NO942810D0 (no) Fremgangsmåte og innretning for fremstilling av formlegemer samt de derved fremstilte formlegemer
DE3683491D1 (de) Formvorrichtung und verfahren zum herstellen von platten mit mittelloch.
ES8705793A1 (es) Procedimiento de fabricacion de un reflector para faro y molde para su realizacion.
DE69322606D1 (de) Verfahren und Vorrichtung zur Herstellung von Substraten einer optischen Platte
EP0369009A4 (en) Method and apparatus for injection compression molding
DE3864012D1 (de) Verfahren zum herstellen bikonvexer linsenelemente.
JPH02102009A (ja) 加圧成型用金型および加圧成型方法
AU4315697A (en) Injection molding of compact discs
SU588127A1 (ru) Литьева прессформа дл изготовлени деталей из реактопластов
KR100602730B1 (ko) 금형에 의한 소프트콘택트렌즈 제조방법
JPH0694142B2 (ja) レプリカ板の製造方法
JPH0573570B2 (de)
JPH02155714A (ja) 光ディスク基盤の成形方法
SU831601A2 (ru) Способ изготовлени абразивногоКРугА
RU1776568C (ru) Устройство дл изготовлени изделий из полимерного материала
FR2442813A1 (fr) Procede de moulage a chaud de blocs de propergols a double base
RU2075879C1 (ru) Способ изготовления фрикционных дисков
JPH04327920A (ja) 樹脂成形品の製造方法
SE8004533L (sv) Sett vid framstellning av vaxmodeller
JPH04327922A (ja) 樹脂成形品の製造方法
SU1072656A1 (ru) Способ изготовления блока контактных колец

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee