JPS62249717A - 光デイスク基板の成形方法 - Google Patents

光デイスク基板の成形方法

Info

Publication number
JPS62249717A
JPS62249717A JP9326286A JP9326286A JPS62249717A JP S62249717 A JPS62249717 A JP S62249717A JP 9326286 A JP9326286 A JP 9326286A JP 9326286 A JP9326286 A JP 9326286A JP S62249717 A JPS62249717 A JP S62249717A
Authority
JP
Japan
Prior art keywords
resin
molding
ultrasonic wave
injection
molding cavity
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
JP9326286A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0579011B2 (https=
Inventor
Akihiro Inotsuka
猪塚　昭博
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 JP9326286A priority Critical patent/JPS62249717A/ja
Publication of JPS62249717A publication Critical patent/JPS62249717A/ja
Publication of JPH0579011B2 publication Critical patent/JPH0579011B2/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
    • B29C45/568—Applying vibrations to the mould parts
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs
    • B29L2017/005—CD''s, DVD''s

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP9326286A 1986-04-24 1986-04-24 光デイスク基板の成形方法 Granted JPS62249717A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9326286A JPS62249717A (ja) 1986-04-24 1986-04-24 光デイスク基板の成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9326286A JPS62249717A (ja) 1986-04-24 1986-04-24 光デイスク基板の成形方法

Publications (2)

Publication Number Publication Date
JPS62249717A true JPS62249717A (ja) 1987-10-30
JPH0579011B2 JPH0579011B2 (https=) 1993-11-01

Family

ID=14077570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9326286A Granted JPS62249717A (ja) 1986-04-24 1986-04-24 光デイスク基板の成形方法

Country Status (1)

Country Link
JP (1) JPS62249717A (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01182016A (ja) * 1988-01-16 1989-07-19 Etsuhisa Abe プラスチック射出成形方法
JPH0310817A (ja) * 1989-06-08 1991-01-18 Ube Ind Ltd 射出成形方法
US5182053A (en) * 1990-03-02 1993-01-26 Optical Radiation Corporation Process for forming intraocular lenses having haptics with high fracture toughness
NL1012107C2 (nl) * 1999-05-19 2000-11-23 Axxicon Moulds Eindhoven Bv Werkwijze en inrichting voor het spuitgieten van voorwerpen.
US6652788B1 (en) * 1999-09-22 2003-11-25 Dainippon Ink And Chemicals, Inc. Quantitative continuous supplying method of columnar or square column-form pellets by action of ultrasonic waves
EP1728615A1 (de) 2005-06-02 2006-12-06 Ems-Chemie Ag Verfahren zum Ausgleichen von Orientierung und/oder Verteilung von Füllstoffen in Spritzgussteilen
WO2007029510A1 (ja) * 2005-09-05 2007-03-15 Ntn Corporation 動圧溝の形成方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01182016A (ja) * 1988-01-16 1989-07-19 Etsuhisa Abe プラスチック射出成形方法
JPH0310817A (ja) * 1989-06-08 1991-01-18 Ube Ind Ltd 射出成形方法
US5182053A (en) * 1990-03-02 1993-01-26 Optical Radiation Corporation Process for forming intraocular lenses having haptics with high fracture toughness
NL1012107C2 (nl) * 1999-05-19 2000-11-23 Axxicon Moulds Eindhoven Bv Werkwijze en inrichting voor het spuitgieten van voorwerpen.
US6652788B1 (en) * 1999-09-22 2003-11-25 Dainippon Ink And Chemicals, Inc. Quantitative continuous supplying method of columnar or square column-form pellets by action of ultrasonic waves
EP1728615A1 (de) 2005-06-02 2006-12-06 Ems-Chemie Ag Verfahren zum Ausgleichen von Orientierung und/oder Verteilung von Füllstoffen in Spritzgussteilen
DE102005025461A1 (de) * 2005-06-02 2006-12-07 Ems-Chemie Ag Verfahren zum Ausgleichen von Orientierung und/oder Verteilung von Füllstoffen in Spritzgussteilen, ein entsprechendes Spritzgussverfahren und derart hergestellte Spritzgussteile
DE102005025461B4 (de) * 2005-06-02 2008-08-21 Ems-Chemie Ag Verfahren zum Ausgleichen der Orientierung von Füllstoffen und/oder der Verteilung von Füllstoffen in Spritzgussteilen
WO2007029510A1 (ja) * 2005-09-05 2007-03-15 Ntn Corporation 動圧溝の形成方法
JP2007069393A (ja) * 2005-09-05 2007-03-22 Ntn Corp 動圧溝の形成方法

Also Published As

Publication number Publication date
JPH0579011B2 (https=) 1993-11-01

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