IT1273195B - Lente stratificata di resina sintetica per un dispositivo di illuminazione per veicolo, e procedimento ed apparecchiatura per il suo stampaggio - Google Patents

Lente stratificata di resina sintetica per un dispositivo di illuminazione per veicolo, e procedimento ed apparecchiatura per il suo stampaggio

Info

Publication number
IT1273195B
IT1273195B ITTO940382A ITTO940382A IT1273195B IT 1273195 B IT1273195 B IT 1273195B IT TO940382 A ITTO940382 A IT TO940382A IT TO940382 A ITTO940382 A IT TO940382A IT 1273195 B IT1273195 B IT 1273195B
Authority
IT
Italy
Prior art keywords
molding
equipment
synthetic resin
lighting device
vehicle lighting
Prior art date
Application number
ITTO940382A
Other languages
English (en)
Inventor
Hirokazu Yanagihara
Shiro Takezawa
Original Assignee
Koito Mfg 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 Koito Mfg Co Ltd filed Critical Koito Mfg Co Ltd
Publication of ITTO940382A0 publication Critical patent/ITTO940382A0/it
Publication of ITTO940382A1 publication Critical patent/ITTO940382A1/it
Application granted granted Critical
Publication of IT1273195B publication Critical patent/IT1273195B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/03Injection moulding apparatus
    • B29C45/04Injection moulding apparatus using movable moulds or mould halves
    • B29C45/06Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
    • B29C45/062Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction carrying mould halves co-operating with fixed mould halves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1615The materials being injected at different moulding stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0027Gate or gate mark locations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C2045/1682Making multilayered or multicoloured articles preventing defects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C2045/2683Plurality of independent mould cavities in a single mould
    • B29C2045/2689Plurality of independent mould cavities in a single mould separate independent mould halves mounted on one plate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0025Opaque
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026Transparent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808Lens mold
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612Composite web or sheet
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628Nonplanar uniform thickness material
    • Y10T428/24736Ornamental design or indicia
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777Edge feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
ITTO940382A 1993-05-18 1994-05-12 Lente stratificata di resina sintetica per un dispositivo di illuminazione per veicolo, e procedimento ed apparecchiatura per il suo stampaggio IT1273195B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5115536A JP2908176B2 (ja) 1993-05-18 1993-05-18 車輌用灯具の合成樹脂製積層レンズ及びその成形方法

Publications (3)

Publication Number Publication Date
ITTO940382A0 ITTO940382A0 (it) 1994-05-12
ITTO940382A1 ITTO940382A1 (it) 1995-11-12
IT1273195B true IT1273195B (it) 1997-07-07

Family

ID=14664966

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO940382A IT1273195B (it) 1993-05-18 1994-05-12 Lente stratificata di resina sintetica per un dispositivo di illuminazione per veicolo, e procedimento ed apparecchiatura per il suo stampaggio

Country Status (4)

Country Link
US (3) US5721039A (it)
JP (1) JP2908176B2 (it)
DE (1) DE4417404C2 (it)
IT (1) IT1273195B (it)

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JP5530762B2 (ja) * 2010-03-08 2014-06-25 株式会社小糸製作所 車両用灯具のレンズ
JP5914325B2 (ja) * 2010-03-09 2016-05-11 オリンパス株式会社 樹脂成形品の製造方法と、樹脂成形品と、内視鏡に用いられる樹脂成形品と、樹脂成形品を具備する内視鏡および樹脂成形品の製造装置
EP2585285B1 (en) * 2010-06-22 2021-10-06 CooperVision International Limited Methods, devices, and systems for injection molding contact lenses
IT1402358B1 (it) * 2010-10-05 2013-08-30 Borromini S R L Procedimento di stampaggio ad iniezione ed apparecchiatura per la realizzazione di detto procedimento
JP5682064B2 (ja) * 2011-01-05 2015-03-11 矢崎総業株式会社 樹脂成型レンズ製造方法および樹脂成型レンズ
WO2012111381A1 (ja) * 2011-02-18 2012-08-23 南部化成株式会社 多層成形品用ロータリー式射出成形機、多層成形品の成形方法及び多層成形品
JP5746754B2 (ja) * 2011-03-31 2015-07-08 南部化成株式会社 光学レンズ
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Also Published As

Publication number Publication date
JPH06328499A (ja) 1994-11-29
JP2908176B2 (ja) 1999-06-21
US5922369A (en) 1999-07-13
ITTO940382A0 (it) 1994-05-12
US5721039A (en) 1998-02-24
DE4417404C2 (de) 1998-08-20
ITTO940382A1 (it) 1995-11-12
US5756013A (en) 1998-05-26
DE4417404A1 (de) 1994-11-24

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