ATA256591A - Spritzgussvorrichtung zur herstellung von trägerschichten für optische platten - Google Patents

Spritzgussvorrichtung zur herstellung von trägerschichten für optische platten

Info

Publication number
ATA256591A
ATA256591A AT0256591A AT256591A ATA256591A AT A256591 A ATA256591 A AT A256591A AT 0256591 A AT0256591 A AT 0256591A AT 256591 A AT256591 A AT 256591A AT A256591 A ATA256591 A AT A256591A
Authority
AT
Austria
Prior art keywords
injection molding
optical disks
molding device
support layers
producing support
Prior art date
Application number
AT0256591A
Other languages
English (en)
Other versions
AT402278B (de
Original Assignee
Sony Corp
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
Priority claimed from JP2-417125A external-priority patent/JP3005299B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of ATA256591A publication Critical patent/ATA256591A/de
Application granted granted Critical
Publication of AT402278B publication Critical patent/AT402278B/de

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
    • B29C45/20—Injection nozzles
    • B29C45/22—Multiple nozzle systems
    • 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
    • B29C2045/2651—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs using a plurality of mould cavities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/81—Sound record

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)
AT0256591A 1990-12-28 1991-12-27 Spritzgussvorrichtung zur herstellung von trägerschichten für optische platten AT402278B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2-417125A JP3005299B2 (ja) 1990-12-28 光学ディスク基板の複数個取り射出成型装置
HK98106503.0A HK1007293B (en) 1998-06-24 Multi-cavity injection molding apparatus for optical disk substrates

Publications (2)

Publication Number Publication Date
ATA256591A true ATA256591A (de) 1996-08-15
AT402278B AT402278B (de) 1997-03-25

Family

ID=26316733

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0256591A AT402278B (de) 1990-12-28 1991-12-27 Spritzgussvorrichtung zur herstellung von trägerschichten für optische platten

Country Status (3)

Country Link
US (1) US5238393A (de)
EP (1) EP0567682B1 (de)
AT (1) AT402278B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1010869C2 (nl) * 1998-12-22 2000-06-30 Axxicon Moulds Eindhoven Bv Meervoudige spuitgieteenheid.
US6372175B1 (en) 1999-09-17 2002-04-16 General Electric Company Resin pellets for injection molding
US6488680B1 (en) * 2000-04-27 2002-12-03 Medtronic, Inc. Variable length electrodes for delivery of irrigated ablation
US6729870B2 (en) 2001-11-06 2004-05-04 Imation Corp. Multi-cavity optical disc mold
US6984232B2 (en) * 2003-01-17 2006-01-10 St. Jude Medical, Daig Division, Inc. Ablation catheter assembly having a virtual electrode comprising portholes
DE112005001013B4 (de) * 2004-05-03 2019-07-11 Mold-Masters (2007) Limited Spritzgießvorrichtung mit einem Formverteiler mit geringem Abstand
EP3242784B1 (de) * 2014-11-17 2020-01-08 Husky Injection Molding Systems Ltd. Heisskanaldüse mit einem schieberdruckentzerrer

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH400553A (de) * 1962-12-11 1965-10-15 Ankerwerk Gebrueder Goller Spritzgiessmaschine zur Herstellung von Teilen aus vernetzenden Kunst- oder Naturstoffen
US3568256A (en) * 1968-07-15 1971-03-09 J & J Machine Co Inc Plastic feeder head
US4121740A (en) * 1977-08-19 1978-10-24 Chicago Rawhide Manufacturing Company Injector head for injection molding machine
US4185955A (en) * 1977-10-31 1980-01-29 Mca Disco-Vision, Inc. Apparatus for replicating centrally apertured video disc records
DE2938832A1 (de) * 1979-09-26 1981-04-09 EWIKON Entwicklung und Konstruktion GmbH & Co KG, 4900 Herford Vorrichtung mit einem heisskanalsystem zum zufuehren einer kunststoffschmelze zu einer spritzgussform
IT1140636B (it) * 1980-02-18 1986-10-01 Francesco Colombi Testata porticolarmente per pressa ad iniezione per materie termoplastiche
JPS59230731A (ja) * 1983-06-14 1984-12-25 Meiki Co Ltd 中心部を開口した薄肉円盤の射出成形装置
DE3423254C2 (de) * 1983-09-29 1994-06-01 Ewikon Entwicklung Konstr Heißkanalwerkzeug zum Zuführen einer Kunststoffschmelze zu einer Spritzgießform
JPS60220720A (ja) * 1984-04-18 1985-11-05 Sankyo Kasei Kk 射出成形機
NL8501893A (nl) * 1984-09-07 1986-04-01 Nagron Precision Tooling Spuitgietmatrijs met inzetstuk en spuitgietinrichting daarvoor.
JPS61100426A (ja) * 1984-10-24 1986-05-19 Matsushita Electric Ind Co Ltd 光学デイスク成形金型
US4828769A (en) * 1986-05-05 1989-05-09 Galic/Maus Ventures Method for injection molding articles
NL8701499A (nl) * 1987-06-26 1989-01-16 Philips Nv Spuitvorminrichting voor het vervaardigen van informatieplaten uit kunststof, alsmede werkwijze voor het vervaardigen van informatieplaten uit kunststof met een spuitvorminrichting.
JP2642158B2 (ja) * 1988-08-16 1997-08-20 住友重機械工業株式会社 光ディスク基板成形用金型
JPH0675892B2 (ja) * 1988-09-01 1994-09-28 株式会社名機製作所 ディスク用成形型
US5069840A (en) * 1990-02-16 1991-12-03 Husky Injection Molding Systems Ltd. Molding plastic articles

Also Published As

Publication number Publication date
HK1007293A1 (en) 1999-04-09
US5238393A (en) 1993-08-24
AT402278B (de) 1997-03-25
EP0567682A1 (de) 1993-11-03
JPH05305625A (ja) 1993-11-19
EP0567682B1 (de) 1996-12-27

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Effective date: 20111227