KR880006028A - 디스크 사출 성형 방법 - Google Patents
디스크 사출 성형 방법 Download PDFInfo
- Publication number
- KR880006028A KR880006028A KR870013460A KR870013460A KR880006028A KR 880006028 A KR880006028 A KR 880006028A KR 870013460 A KR870013460 A KR 870013460A KR 870013460 A KR870013460 A KR 870013460A KR 880006028 A KR880006028 A KR 880006028A
- Authority
- KR
- South Korea
- Prior art keywords
- resin material
- injection molding
- mold
- molding method
- disc
- Prior art date
Links
- 238000001746 injection moulding Methods 0.000 title claims description 3
- 239000000463 material Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
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
-
- 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
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명을 실시함에 있어서 사용되는 사출성형기의 일예를 도시하는 개략적 측면도.
제 2 도는 내지 제 4 도는 출사 성형 공정을 공정순에 따라 도시하는 개략적인 단면도.
제 2 도는 형 닫힘 형태도.
제 3 도는 용융수지 충진 상태도.
* 도면의 주요부분에 대한 부호의 설명
4 : 용융 수지재 21 : 가동 금형
22 : 고정 금형 29 : 캐비티
Claims (1)
- 용융된 수지재를 고정 금형과 가동 금형과의 사이에 형성되는 캐비티내에 사출하여 디스크를 성형하는 방법에 있어서, 상기 수치재의 사출 공정 완료후 상기 수지재가 고화될때까지의 사이의 소정의 타이밍으로 상기 가동 금형의 형 죄임 압력을 거의 개방하여, 이 상태에서 수지재가 고화할때까지 유지한 후, 상기 수지재에 의한 성형 디스크를 끄집어내도록 하는 것을 특징으로 하는 디스크 사출 성형 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP283615 | 1986-11-28 | ||
JP61283615A JPH0675888B2 (ja) | 1986-11-28 | 1986-11-28 | デイスクの射出成形方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880006028A true KR880006028A (ko) | 1988-07-21 |
KR950012859B1 KR950012859B1 (ko) | 1995-10-23 |
Family
ID=17667797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870013460A KR950012859B1 (ko) | 1986-11-28 | 1987-11-28 | 디스크 사출성형방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4879082A (ko) |
JP (1) | JPH0675888B2 (ko) |
KR (1) | KR950012859B1 (ko) |
DE (1) | DE3740375C2 (ko) |
FR (1) | FR2607440B1 (ko) |
GB (1) | GB2199280B (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2872247B2 (ja) * | 1988-06-21 | 1999-03-17 | 久司 小嶋 | パルス射出圧縮成形法 |
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 |
JP2906349B2 (ja) * | 1989-11-01 | 1999-06-21 | 住友重機械工業株式会社 | 光ディスク基板の製造方法 |
US5326240A (en) * | 1991-10-12 | 1994-07-05 | Sony Corporation | Metal mold device for molding a disc substrate |
US5441398A (en) * | 1992-10-08 | 1995-08-15 | Gentex Optics, Inc. | Insert for molding convex surfaces of progressive lenses and retainer therefor |
JP2944359B2 (ja) * | 1993-03-23 | 1999-09-06 | 株式会社精工技研 | 基盤射出成形金型 |
US5458818A (en) * | 1993-08-31 | 1995-10-17 | General Electric Co. | Insulated mold structure for injection molding of optical disks |
JP3893419B2 (ja) * | 1994-04-20 | 2007-03-14 | 富士フイルム株式会社 | 射出成形用金型 |
JPH08187757A (ja) * | 1995-01-10 | 1996-07-23 | Meiki Co Ltd | ディスク基板の成形方法 |
US5852329A (en) * | 1996-04-26 | 1998-12-22 | Sony Corporation | Optical disc molding device and molding method for optical disc |
JPH11514601A (ja) * | 1996-09-05 | 1999-12-14 | ウイー マニュファクチュアリング,インコーポレイテッド | コンパクトディスクの射出成形 |
US6636476B1 (en) * | 1997-12-26 | 2003-10-21 | Sony Corporation | Optical recording medium with a substrate of two different resin layers |
US6146558A (en) * | 1998-05-01 | 2000-11-14 | General Electric Company | Structure and method for molding optical disks |
US6086798A (en) * | 1998-12-17 | 2000-07-11 | Abante Corporation | Method for removing contaminant from surface of mold die |
JP3566580B2 (ja) * | 1999-05-26 | 2004-09-15 | Necセミコンダクターズ九州株式会社 | 樹脂封止金型のクリーニング装置、樹脂封止金型クリーニング方法およびクリーニングシステム |
US6787071B2 (en) * | 2001-06-11 | 2004-09-07 | General Electric Company | Method and apparatus for producing data storage media |
US7018572B2 (en) * | 2001-06-11 | 2006-03-28 | General Electric Company | Method for producing data storage media |
JP6209965B2 (ja) * | 2013-12-20 | 2017-10-11 | 日本ゼオン株式会社 | プラスチック製透過型光学素子成形方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953858B2 (ja) * | 1978-05-13 | 1984-12-27 | ダイセル化学工業株式会社 | 度付レンズの成形方法 |
JPS5597929A (en) * | 1979-01-19 | 1980-07-25 | Matsushita Electric Ind Co Ltd | Production of flat plate-shaped body |
JPS5835460B2 (ja) * | 1979-09-28 | 1983-08-02 | 株式会社日立製作所 | トランスフア成形機 |
JPS56146741A (en) * | 1980-04-18 | 1981-11-14 | Hitachi Ltd | Setting of holding time and system therefor |
US4414167A (en) * | 1982-02-18 | 1983-11-08 | Rca Corporation | Method for molding an article |
JPS6074136A (ja) * | 1983-09-29 | 1985-04-26 | Matsushita Electric Ind Co Ltd | デイジタル信号記録再生デイスク及びその製造法 |
JPS615913A (ja) * | 1984-06-20 | 1986-01-11 | Sumitomo Bakelite Co Ltd | 円板状記録媒体基板成形装置 |
JPS6179614A (ja) * | 1984-09-28 | 1986-04-23 | Idemitsu Petrochem Co Ltd | 樹脂基板の成形方法 |
JPS6195919A (ja) * | 1984-10-18 | 1986-05-14 | Sony Corp | 射出成形機 |
US4734477A (en) * | 1985-07-16 | 1988-03-29 | Mitsubishi Petrochemical Co., Ltd. | Method for cast molding plastic substrate |
JPH0628871B2 (ja) * | 1986-02-05 | 1994-04-20 | 三菱化成株式会社 | 光学的特性の優れた成形物の製造方法 |
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 |
JPS6327219A (ja) * | 1986-07-19 | 1988-02-04 | Nissei Plastics Ind Co | 円盤状記録媒体の射出成形方法 |
JPS6371329A (ja) * | 1986-09-12 | 1988-03-31 | Matsushita Electric Ind Co Ltd | レプリカ板の製造方法 |
-
1986
- 1986-11-28 JP JP61283615A patent/JPH0675888B2/ja not_active Expired - Fee Related
-
1987
- 1987-11-27 US US07/126,043 patent/US4879082A/en not_active Expired - Lifetime
- 1987-11-27 FR FR878716532A patent/FR2607440B1/fr not_active Expired - Lifetime
- 1987-11-27 DE DE3740375A patent/DE3740375C2/de not_active Expired - Lifetime
- 1987-11-27 GB GB8727782A patent/GB2199280B/en not_active Expired - Lifetime
- 1987-11-28 KR KR1019870013460A patent/KR950012859B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3740375C2 (de) | 1997-02-20 |
JPS63135211A (ja) | 1988-06-07 |
DE3740375A1 (de) | 1988-06-01 |
FR2607440B1 (fr) | 1991-04-12 |
FR2607440A1 (fr) | 1988-06-03 |
US4879082A (en) | 1989-11-07 |
KR950012859B1 (ko) | 1995-10-23 |
GB2199280B (en) | 1990-01-24 |
JPH0675888B2 (ja) | 1994-09-28 |
GB2199280A (en) | 1988-07-06 |
GB8727782D0 (en) | 1987-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20070927 Year of fee payment: 13 |
|
LAPS | Lapse due to unpaid annual fee |