DE68914908T2 - Giessform zum Giessen der Grundlage einer optischen Platte. - Google Patents

Giessform zum Giessen der Grundlage einer optischen Platte.

Info

Publication number
DE68914908T2
DE68914908T2 DE68914908T DE68914908T DE68914908T2 DE 68914908 T2 DE68914908 T2 DE 68914908T2 DE 68914908 T DE68914908 T DE 68914908T DE 68914908 T DE68914908 T DE 68914908T DE 68914908 T2 DE68914908 T2 DE 68914908T2
Authority
DE
Germany
Prior art keywords
stamper
specular
mold
plate
casting
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 - Lifetime
Application number
DE68914908T
Other languages
English (en)
Other versions
DE68914908D1 (de
Inventor
Takehiko Kitamura
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 DE68914908D1 publication Critical patent/DE68914908D1/de
Application granted granted Critical
Publication of DE68914908T2 publication Critical patent/DE68914908T2/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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
    • 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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • 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
DE68914908T 1988-08-16 1989-08-09 Giessform zum Giessen der Grundlage einer optischen Platte. Expired - Lifetime DE68914908T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63203414A JP2642158B2 (ja) 1988-08-16 1988-08-16 光ディスク基板成形用金型

Publications (2)

Publication Number Publication Date
DE68914908D1 DE68914908D1 (de) 1994-06-01
DE68914908T2 true DE68914908T2 (de) 1994-09-01

Family

ID=16473680

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914908T Expired - Lifetime DE68914908T2 (de) 1988-08-16 1989-08-09 Giessform zum Giessen der Grundlage einer optischen Platte.

Country Status (7)

Country Link
US (1) US4979891A (de)
EP (1) EP0355589B1 (de)
JP (1) JP2642158B2 (de)
KR (1) KR0136375B1 (de)
AT (1) ATE104902T1 (de)
CA (1) CA1309816C (de)
DE (1) DE68914908T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04105231A (ja) * 1990-08-24 1992-04-07 Sony Corp 光磁気ディスク
SE469686B (sv) * 1990-11-05 1993-08-23 Disc & Cassette Manufacturers Anordning vid formsprutmaskiner som aer ett griporgan och samtidigt en del av formen
AT402278B (de) * 1990-12-28 1997-03-25 Sony Corp Spritzgussvorrichtung zur herstellung von trägerschichten für optische platten
US5427520A (en) * 1992-01-31 1995-06-27 Sony Corporation Mold device for fabricating disc substrate
DE4213654C2 (de) * 1992-04-25 1994-08-25 Karl Hehl Gießform für eine Kunststoff-Spritzgießmaschine und Verfahren zur Herstellung von Spritzteilen in einer Gießform
JP3182865B2 (ja) * 1992-04-30 2001-07-03 ソニー株式会社 カセットハーフ
US5297951A (en) * 1992-05-13 1994-03-29 Kabushiki Kaisha Meiki Seisakusho Mold for producing molded discs
EP0580258B1 (de) * 1992-07-20 1997-01-29 Koninklijke Philips Electronics N.V. Spritzgussvorrichtung sowie Matrize zum Gebrauch in der Spritzgussvorrichtung
ATE174716T1 (de) * 1992-11-04 1999-01-15 Tdk Corp Verfahren und vorrichtung zur herstellung von substraten einer optischen platte
JP2944359B2 (ja) * 1993-03-23 1999-09-06 株式会社精工技研 基盤射出成形金型
US5538674A (en) * 1993-11-19 1996-07-23 Donnelly Corporation Method for reproducing holograms, kinoforms, diffractive optical elements and microstructures
JPH07186194A (ja) * 1993-12-27 1995-07-25 Sony Disc Technol:Kk スタンパーの自動交換装置
JP3153116B2 (ja) * 1995-10-09 2001-04-03 株式会社名機製作所 貼り合わせディスク用基板の成形用金型
JP3152601B2 (ja) * 1995-11-17 2001-04-03 株式会社精工技研 ディスク射出成形金型の固定側と可動側の円盤キャビティプレートの整列案内装置
JP3264419B2 (ja) * 1995-12-26 2002-03-11 日本ビクター株式会社 記録ディスク及び成形用金型装置
US5852329A (en) * 1996-04-26 1998-12-22 Sony Corporation Optical disc molding device and molding method for optical disc
DE69729369T2 (de) * 1996-09-05 2005-06-02 Wea Mfg. Inc. Verfahren zum spritzgiessen von compact discs
DE19639678B4 (de) * 1996-09-26 2007-08-23 Mitsubishi Materials Corp. Formwerkzeug für den Einsatz in einer Spritzgussmaschine und Verfahren
JPH10128810A (ja) * 1996-10-29 1998-05-19 Meiki Co Ltd ディスク成形金型装置のスタンパ押え構造
JP3224347B2 (ja) * 1996-11-28 2001-10-29 株式会社名機製作所 ディスク基板成形用型
NL1012111C2 (nl) * 1999-05-20 2000-11-23 Axxicon Moulds Eindhoven Bv Spuitgietmatrijssamenstel.
JP4345064B2 (ja) * 2005-03-25 2009-10-14 セイコーエプソン株式会社 光電変換素子の製造方法、および電子機器
JP4647568B2 (ja) * 2006-09-12 2011-03-09 東洋機械金属株式会社 射出成形機
EP2607045A1 (de) * 2011-12-22 2013-06-26 Axxicon Moulds Eindhoven B.V. Spritzgiessstempelanordnung, Spritzgiessvorrichtung und Verfahren zur Herstellung von optischen Informationsträgern
CN103302771B (zh) * 2013-06-29 2015-04-29 广州盈光科技股份有限公司 一种用于制作光盘的动镜面的导向结构
CN110171108B (zh) * 2019-06-25 2021-06-25 佛山市力晟塑胶制品有限公司 一种注塑模具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7906117A (nl) * 1979-08-10 1981-02-12 Philips Nv Werkwijze en inrichting voor het vervaardigen van een kunststofinformatiedrager.
JPS59176029A (ja) * 1983-03-28 1984-10-05 Sony Corp 円盤状記録媒体の離型方法
JPS6195919A (ja) * 1984-10-18 1986-05-14 Sony Corp 射出成形機
JPS62105616A (ja) * 1985-11-01 1987-05-16 Daicel Chem Ind Ltd 光デイスクの射出成形用金型
JPS62275722A (ja) * 1986-04-09 1987-11-30 Daicel Chem Ind Ltd 光デイスク成形法
JPS63130320A (ja) * 1986-11-20 1988-06-02 Meiki Co Ltd デイスク成形金型
JP2636903B2 (ja) * 1988-09-30 1997-08-06 株式会社リコー 光ディスク基板の射出成形用金型

Also Published As

Publication number Publication date
JP2642158B2 (ja) 1997-08-20
EP0355589A3 (de) 1992-01-02
CA1309816C (en) 1992-11-10
KR900002917A (ko) 1990-03-23
DE68914908D1 (de) 1994-06-01
US4979891A (en) 1990-12-25
EP0355589B1 (de) 1994-04-27
JPH0252716A (ja) 1990-02-22
KR0136375B1 (ko) 1998-04-25
ATE104902T1 (de) 1994-05-15
EP0355589A2 (de) 1990-02-28

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