JPH0254207B2 - - Google Patents

Info

Publication number
JPH0254207B2
JPH0254207B2 JP58008252A JP825283A JPH0254207B2 JP H0254207 B2 JPH0254207 B2 JP H0254207B2 JP 58008252 A JP58008252 A JP 58008252A JP 825283 A JP825283 A JP 825283A JP H0254207 B2 JPH0254207 B2 JP H0254207B2
Authority
JP
Japan
Prior art keywords
mold
disc
molten resin
plug
hollow bottomed
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
JP58008252A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59133020A (ja
Inventor
Takeshi Moriwaki
Yoshio Kizawa
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.)
Daicel Corp
Original Assignee
Daicel Chemical 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 Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Priority to JP825283A priority Critical patent/JPS59133020A/ja
Publication of JPS59133020A publication Critical patent/JPS59133020A/ja
Publication of JPH0254207B2 publication Critical patent/JPH0254207B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/263Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/28Closure devices therefor
    • B29C45/2896Closure devices therefor extending in or through the mould cavity, e.g. valves mounted opposite the sprue channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP825283A 1983-01-21 1983-01-21 高密度情報担体基盤の射出成形装置 Granted JPS59133020A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP825283A JPS59133020A (ja) 1983-01-21 1983-01-21 高密度情報担体基盤の射出成形装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP825283A JPS59133020A (ja) 1983-01-21 1983-01-21 高密度情報担体基盤の射出成形装置

Publications (2)

Publication Number Publication Date
JPS59133020A JPS59133020A (ja) 1984-07-31
JPH0254207B2 true JPH0254207B2 (en, 2012) 1990-11-21

Family

ID=11687939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP825283A Granted JPS59133020A (ja) 1983-01-21 1983-01-21 高密度情報担体基盤の射出成形装置

Country Status (1)

Country Link
JP (1) JPS59133020A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2269230A1 (en) * 1996-11-01 1998-05-14 Husky Injection Molding Systems Ltd. Apparatus for and method of injection molding
CN109016412A (zh) * 2018-06-28 2018-12-18 芜湖优诺信息科技有限公司 一种注塑模具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518177Y2 (en, 2012) * 1975-06-23 1980-04-26

Also Published As

Publication number Publication date
JPS59133020A (ja) 1984-07-31

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