WO2006115410A3 - Die assembly and/or stamper - Google Patents

Die assembly and/or stamper Download PDF

Info

Publication number
WO2006115410A3
WO2006115410A3 PCT/NL2006/050080 NL2006050080W WO2006115410A3 WO 2006115410 A3 WO2006115410 A3 WO 2006115410A3 NL 2006050080 W NL2006050080 W NL 2006050080W WO 2006115410 A3 WO2006115410 A3 WO 2006115410A3
Authority
WO
WIPO (PCT)
Prior art keywords
parts
stamper
disc
die assembly
way
Prior art date
Application number
PCT/NL2006/050080
Other languages
French (fr)
Other versions
WO2006115410A2 (en
Inventor
Herm Adrianus Tijl
Rijt Marcelis Johannes Van
Original Assignee
Axxicon Moulds Eindhoven Bv
Herm Adrianus Tijl
Rijt Marcelis Johannes Van
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 Axxicon Moulds Eindhoven Bv, Herm Adrianus Tijl, Rijt Marcelis Johannes Van filed Critical Axxicon Moulds Eindhoven Bv
Publication of WO2006115410A2 publication Critical patent/WO2006115410A2/en
Publication of WO2006115410A3 publication Critical patent/WO2006115410A3/en

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
    • B29C45/2632—Stampers; Mountings thereof
    • 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
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2661—The thickness of the mould cavity being changeable in radial direction
    • 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
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

Die assembly and stamper possibly in combination. This is used in particular for the manufacture of disc-shaped data carriers. To prevent the end edge of a data carrier manufactured in this way from having a greater thickness than the central part, it is proposed either to make one of the die parts of the die assembly facing the mould cavity thicker or to make the stamper used near the edge boundary which is of annular design thicker. Compensation will then automatically be made for differences in thickness. Injection-moulded parts obtained in this way are particularly suitable for producing optical data carriers made up of two disc parts or disc parts that are provided with a thin spin-coated layer or disc parts to which a thin foil has been bonded.
PCT/NL2006/050080 2005-04-11 2006-04-11 Die assembly and/or stamper WO2006115410A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1028737A NL1028737C2 (en) 2005-04-11 2005-04-11 Mold assembly and / or stamper.
NL1028737 2005-04-11

Publications (2)

Publication Number Publication Date
WO2006115410A2 WO2006115410A2 (en) 2006-11-02
WO2006115410A3 true WO2006115410A3 (en) 2007-05-10

Family

ID=35432006

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2006/050080 WO2006115410A2 (en) 2005-04-11 2006-04-11 Die assembly and/or stamper

Country Status (2)

Country Link
NL (1) NL1028737C2 (en)
WO (1) WO2006115410A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3831589B1 (en) * 2018-07-31 2024-03-27 Kobayashi Industry Co., Ltd. Powder molding apparatus, powder molding die, and method for preparing powder molded body

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285321A (en) * 1988-05-12 1989-11-16 Nec Corp Injection mold
JPH02134219A (en) * 1988-11-15 1990-05-23 Sekisui Chem Co Ltd Molding die of substrate for data recording medium
JPH0438635A (en) * 1990-05-31 1992-02-07 Sony Corp Disk substrate for optical disk and stamper for molding disk substrate
EP0803339A1 (en) * 1996-04-26 1997-10-29 Sony Corporation Optical disc moulding device and moulding method for optical disc
JPH09295319A (en) * 1996-05-01 1997-11-18 Sony Corp Mold for molding disk substrate
JP2000263615A (en) * 1999-03-12 2000-09-26 Ricoh Co Ltd Mold for optical information recording medium substrate
JP2000268410A (en) * 1999-03-15 2000-09-29 Sony Disc Technology:Kk Disk substrate and metal mold for molding the same and molding device therefor
JP2000311397A (en) * 1999-04-28 2000-11-07 Sony Corp Metal mold for molding substrate and production of substrate
WO2000074919A1 (en) * 1999-06-07 2000-12-14 Imation Corp. Optical disk mold tooling for reduced edge wedge
US20030043731A1 (en) * 2001-09-04 2003-03-06 Imation Corp. Variable thickness stamper for creation of flat molded substrates

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285321A (en) * 1988-05-12 1989-11-16 Nec Corp Injection mold
JPH02134219A (en) * 1988-11-15 1990-05-23 Sekisui Chem Co Ltd Molding die of substrate for data recording medium
JPH0438635A (en) * 1990-05-31 1992-02-07 Sony Corp Disk substrate for optical disk and stamper for molding disk substrate
EP0803339A1 (en) * 1996-04-26 1997-10-29 Sony Corporation Optical disc moulding device and moulding method for optical disc
JPH09295319A (en) * 1996-05-01 1997-11-18 Sony Corp Mold for molding disk substrate
JP2000263615A (en) * 1999-03-12 2000-09-26 Ricoh Co Ltd Mold for optical information recording medium substrate
JP2000268410A (en) * 1999-03-15 2000-09-29 Sony Disc Technology:Kk Disk substrate and metal mold for molding the same and molding device therefor
JP2000311397A (en) * 1999-04-28 2000-11-07 Sony Corp Metal mold for molding substrate and production of substrate
WO2000074919A1 (en) * 1999-06-07 2000-12-14 Imation Corp. Optical disk mold tooling for reduced edge wedge
US20030043731A1 (en) * 2001-09-04 2003-03-06 Imation Corp. Variable thickness stamper for creation of flat molded substrates

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 199027, Derwent World Patents Index; Class A32, AN 1990-204405, XP002360852 *
DATABASE WPI Section Ch Week 199805, Derwent World Patents Index; Class A32, AN 1998-046340, XP002146219 *
DATABASE WPI Section Ch Week 200108, Derwent World Patents Index; Class A32, AN 2001-064996, XP002360851 *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 058 (M - 0930) 2 February 1990 (1990-02-02) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 373 (M - 1009) 13 August 1990 (1990-08-13) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 211 (P - 1355) 19 May 1992 (1992-05-19) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03 27 February 1998 (1998-02-27) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12 3 January 2001 (2001-01-03) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 14 5 March 2001 (2001-03-05) *

Also Published As

Publication number Publication date
WO2006115410A2 (en) 2006-11-02
NL1028737C2 (en) 2006-10-12

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