JPH0219774B2 - - Google Patents

Info

Publication number
JPH0219774B2
JPH0219774B2 JP59052852A JP5285284A JPH0219774B2 JP H0219774 B2 JPH0219774 B2 JP H0219774B2 JP 59052852 A JP59052852 A JP 59052852A JP 5285284 A JP5285284 A JP 5285284A JP H0219774 B2 JPH0219774 B2 JP H0219774B2
Authority
JP
Japan
Prior art keywords
mold
stamper
product cavity
holding member
resin material
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
JP59052852A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60196322A (ja
Inventor
Shunichi Shimojo
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.)
Meiki Seisakusho KK
Original Assignee
Meiki Seisakusho KK
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 Meiki Seisakusho KK filed Critical Meiki Seisakusho KK
Priority to JP5285284A priority Critical patent/JPS60196322A/ja
Publication of JPS60196322A publication Critical patent/JPS60196322A/ja
Publication of JPH0219774B2 publication Critical patent/JPH0219774B2/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
    • B29C45/46—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
    • B29C45/561—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
    • B29C45/34—Moulds having venting means

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)
  • Manufacturing Optical Record Carriers (AREA)
JP5285284A 1984-03-19 1984-03-19 ディスク基盤用成形型及びそれを用いたディスク基盤の射出成形法 Granted JPS60196322A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5285284A JPS60196322A (ja) 1984-03-19 1984-03-19 ディスク基盤用成形型及びそれを用いたディスク基盤の射出成形法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5285284A JPS60196322A (ja) 1984-03-19 1984-03-19 ディスク基盤用成形型及びそれを用いたディスク基盤の射出成形法

Publications (2)

Publication Number Publication Date
JPS60196322A JPS60196322A (ja) 1985-10-04
JPH0219774B2 true JPH0219774B2 (enrdf_load_html_response) 1990-05-07

Family

ID=12926378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5285284A Granted JPS60196322A (ja) 1984-03-19 1984-03-19 ディスク基盤用成形型及びそれを用いたディスク基盤の射出成形法

Country Status (1)

Country Link
JP (1) JPS60196322A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60187034U (ja) * 1984-05-23 1985-12-11 株式会社テクノプラス 円盤状記録媒体成形用スタンパの外周部取付構造
JPH0694142B2 (ja) * 1986-03-07 1994-11-24 松下電器産業株式会社 レプリカ板の製造方法
JPS62275722A (ja) * 1986-04-09 1987-11-30 Daicel Chem Ind Ltd 光デイスク成形法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826844A (enrdf_load_html_response) * 1971-07-27 1973-04-09
CA1143517A (en) * 1979-04-18 1983-03-29 John R. Holmes Apparatus for producing centrally apertured record discs

Also Published As

Publication number Publication date
JPS60196322A (ja) 1985-10-04

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term