JPS6327219A - 円盤状記録媒体の射出成形方法 - Google Patents

円盤状記録媒体の射出成形方法

Info

Publication number
JPS6327219A
JPS6327219A JP61170593A JP17059386A JPS6327219A JP S6327219 A JPS6327219 A JP S6327219A JP 61170593 A JP61170593 A JP 61170593A JP 17059386 A JP17059386 A JP 17059386A JP S6327219 A JPS6327219 A JP S6327219A
Authority
JP
Japan
Prior art keywords
filling
mold
cavity
molten resin
injection
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
JP61170593A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0366129B2 (https=
Inventor
Masaaki Miyahara
正昭 宮原
Nobuyuki Nakamura
伸之 中村
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.)
Nissei Plastic Industrial Co Ltd
Original Assignee
Nissei Plastic Industrial Co 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 Nissei Plastic Industrial Co Ltd filed Critical Nissei Plastic Industrial Co Ltd
Priority to JP61170593A priority Critical patent/JPS6327219A/ja
Publication of JPS6327219A publication Critical patent/JPS6327219A/ja
Publication of JPH0366129B2 publication Critical patent/JPH0366129B2/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
    • B29C45/46—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
    • B29C45/46—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
    • B29C2045/565—Closing of the mould during injection

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP61170593A 1986-07-19 1986-07-19 円盤状記録媒体の射出成形方法 Granted JPS6327219A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61170593A JPS6327219A (ja) 1986-07-19 1986-07-19 円盤状記録媒体の射出成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61170593A JPS6327219A (ja) 1986-07-19 1986-07-19 円盤状記録媒体の射出成形方法

Publications (2)

Publication Number Publication Date
JPS6327219A true JPS6327219A (ja) 1988-02-04
JPH0366129B2 JPH0366129B2 (https=) 1991-10-16

Family

ID=15907712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61170593A Granted JPS6327219A (ja) 1986-07-19 1986-07-19 円盤状記録媒体の射出成形方法

Country Status (1)

Country Link
JP (1) JPS6327219A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63135211A (ja) * 1986-11-28 1988-06-07 Sony Corp デイスクの射出成形方法
GB2371514A (en) * 2001-01-26 2002-07-31 Coraltech Ltd Spreading of moulding material
US7090800B2 (en) 2001-01-26 2006-08-15 Im-Pak Technologies Limited Mould and method for injection-compression moulding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63135211A (ja) * 1986-11-28 1988-06-07 Sony Corp デイスクの射出成形方法
GB2371514A (en) * 2001-01-26 2002-07-31 Coraltech Ltd Spreading of moulding material
US7090800B2 (en) 2001-01-26 2006-08-15 Im-Pak Technologies Limited Mould and method for injection-compression moulding

Also Published As

Publication number Publication date
JPH0366129B2 (https=) 1991-10-16

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