SG72859A1 - Disc-molding die - Google Patents

Disc-molding die

Info

Publication number
SG72859A1
SG72859A1 SG1998003296A SG1998003296A SG72859A1 SG 72859 A1 SG72859 A1 SG 72859A1 SG 1998003296 A SG1998003296 A SG 1998003296A SG 1998003296 A SG1998003296 A SG 1998003296A SG 72859 A1 SG72859 A1 SG 72859A1
Authority
SG
Singapore
Prior art keywords
disc
molding die
die
molding
Prior art date
Application number
SG1998003296A
Other languages
English (en)
Inventor
Yasuyoshi Sakamoto
Akira Hatano
Original Assignee
Seiko Giken Kk
Ssumitomo Heavy Ind 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 Seiko Giken Kk, Ssumitomo Heavy Ind Ltd filed Critical Seiko Giken Kk
Publication of SG72859A1 publication Critical patent/SG72859A1/en

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
    • B29C45/26—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
    • 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
    • B29D17/005—Producing optically read record carriers, e.g. optical 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
    • B29C45/26—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
SG1998003296A 1997-08-29 1998-08-25 Disc-molding die SG72859A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9233868A JPH1170529A (ja) 1997-08-29 1997-08-29 ディスク成形用金型

Publications (1)

Publication Number Publication Date
SG72859A1 true SG72859A1 (en) 2000-05-23

Family

ID=16961838

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998003296A SG72859A1 (en) 1997-08-29 1998-08-25 Disc-molding die

Country Status (5)

Country Link
EP (1) EP0899075A1 (ko)
JP (1) JPH1170529A (ko)
KR (1) KR19990023950A (ko)
CN (1) CN1210059A (ko)
SG (1) SG72859A1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1140396C (zh) * 2000-08-04 2004-03-03 株式会社精工技研 圆盘模制模具
JP2002254480A (ja) * 2000-12-25 2002-09-11 Mitsubishi Materials Corp 光ディスクの成形方法およびこの方法に用いる光ディスク成形用金型装置
WO2004045822A1 (ja) * 2002-11-18 2004-06-03 Sumitomo Heavy Industries, Ltd. 成形用金型、成形方法、ディスク基板及び成形機
DE502004009850D1 (de) 2003-09-08 2009-09-17 Awm Mold Tech Ag Spritzgusswerkzeug für die Herstellung von scheibenförmigen Informationsträgern
JP2006188059A (ja) * 2005-01-06 2006-07-20 Awm Mold Tech Ag 円板状情報媒体製造のための射出成形工具
EP1683620A1 (en) * 2005-01-20 2006-07-26 TDK Corporation An injection mould for an optical disc and a moulding method
JP7109633B1 (ja) * 2021-05-10 2022-07-29 ▲張▼洪雷 冷却機能付き金型用部品装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311136C2 (de) * 1983-03-26 1986-01-16 Strack-Norma Gmbh, 5600 Wuppertal Spritzgießform mit mehreren zylindrischen Zentriereinheiten
JPS63144028A (ja) * 1986-12-05 1988-06-16 Meiki Co Ltd ディスク基盤用成形型
JP3258188B2 (ja) * 1994-12-09 2002-02-18 株式会社精工技研 鰓クラッチ状型開き案内手段をもつディスク射出成形金型装置
JP2974238B2 (ja) * 1994-11-30 1999-11-10 株式会社精工技研 型開き案内手段をもつディスク射出成形金型装置

Also Published As

Publication number Publication date
JPH1170529A (ja) 1999-03-16
CN1210059A (zh) 1999-03-10
KR19990023950A (ko) 1999-03-25
EP0899075A1 (en) 1999-03-03

Similar Documents

Publication Publication Date Title
DE59803915D1 (en) Bandwaage
DE69840493D1 (en) Tionseinlage
DE59806556D1 (en) Fmcw-sensor
IL125433A0 (en) Extrusion die
DE59805100D1 (en) Containerbrücke
DE59808840D1 (en) Compoundpumpe
DE59803341D1 (en) Handhobelmaschine
DE59803148D1 (en) Dimensionsstabile thermoplastische formmassen
DE59811907D1 (en) Transponder-system
DE59708342D1 (en) Basophilen-degranulationstest
SG72859A1 (en) Disc-molding die
GB9401619D0 (en) Die
GB9726606D0 (en) Can shaping
DE69715258D1 (en) Präzisionshydraulikfutter
GB9505823D0 (en) Die
HK1029765A1 (en) Die
HU1066U (en) Die
TW325002U (en) Improved die structure
DE59811113D1 (en) Laryngoskop
CA80910S (en) Aeroglisseur
DE59809032D1 (en) Telephonsystem
CA82333S (en) Remorque
CA82218S (en) Sports-glasses
CA82748S (en) Handleset
CA82746S (en) Handleset