JPH0375333B2 - - Google Patents

Info

Publication number
JPH0375333B2
JPH0375333B2 JP31799987A JP31799987A JPH0375333B2 JP H0375333 B2 JPH0375333 B2 JP H0375333B2 JP 31799987 A JP31799987 A JP 31799987A JP 31799987 A JP31799987 A JP 31799987A JP H0375333 B2 JPH0375333 B2 JP H0375333B2
Authority
JP
Japan
Prior art keywords
stamper
floating punch
mold
molded product
movable mold
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
Application number
JP31799987A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01159225A (ja
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 filed Critical
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 JPH01159225A (ja) 1989-06-22
JPH0375333B2 true JPH0375333B2 (en]) 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 (en])

Families Citing this family (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
JPH0751300B2 (ja) * 1988-04-16 1995-06-05 ダイセル化学工業株式会社 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
JPH01159225A (ja) 1989-06-22

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