JPH01159225A - 記録担体成形用金型 - Google Patents

記録担体成形用金型

Info

Publication number
JPH01159225A
JPH01159225A JP31799987A JP31799987A JPH01159225A JP H01159225 A JPH01159225 A JP H01159225A JP 31799987 A JP31799987 A JP 31799987A JP 31799987 A JP31799987 A JP 31799987A JP H01159225 A JPH01159225 A JP H01159225A
Authority
JP
Japan
Prior art keywords
molded product
stamper
floating punch
mold
record carrier
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.)
Granted
Application number
JP31799987A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0375333B2 (enrdf_load_stackoverflow
Inventor
Takehiko Kitamura
武彦 北村
Hiromi Sato
博実 佐藤
Masaharu Kaita
貝田　正春
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.)
Seikoh Giken Co Ltd
Ricoh Co Ltd
Sumitomo Heavy Industries Ltd
Original Assignee
Seikoh Giken Co Ltd
Ricoh Co Ltd
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 Seikoh Giken Co Ltd, Ricoh Co Ltd, Sumitomo Heavy Industries Ltd filed Critical Seikoh Giken Co Ltd
Priority to JP31799987A priority Critical patent/JPH01159225A/ja
Publication of JPH01159225A publication Critical patent/JPH01159225A/ja
Publication of JPH0375333B2 publication Critical patent/JPH0375333B2/ja
Granted 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
    • B29C45/17—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
    • B29C45/26—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP31799987A 1987-12-16 1987-12-16 記録担体成形用金型 Granted JPH01159225A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31799987A JPH01159225A (ja) 1987-12-16 1987-12-16 記録担体成形用金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31799987A JPH01159225A (ja) 1987-12-16 1987-12-16 記録担体成形用金型

Publications (2)

Publication Number Publication Date
JPH01159225A true JPH01159225A (ja) 1989-06-22
JPH0375333B2 JPH0375333B2 (enrdf_load_stackoverflow) 1991-11-29

Family

ID=18094356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31799987A Granted JPH01159225A (ja) 1987-12-16 1987-12-16 記録担体成形用金型

Country Status (1)

Country Link
JP (1) JPH01159225A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01160626A (ja) * 1987-12-18 1989-06-23 Tdk Corp 光ディスク等用成型装置
JPH01264822A (ja) * 1988-04-16 1989-10-23 Daicel Chem Ind Ltd プリフォーマット入り光ディスク基板の成形方法およびそれに用いる金型

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01160626A (ja) * 1987-12-18 1989-06-23 Tdk Corp 光ディスク等用成型装置
JPH01264822A (ja) * 1988-04-16 1989-10-23 Daicel Chem Ind Ltd プリフォーマット入り光ディスク基板の成形方法およびそれに用いる金型

Also Published As

Publication number Publication date
JPH0375333B2 (enrdf_load_stackoverflow) 1991-11-29

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