ES2179870T3 - Lente compuesta. - Google Patents

Lente compuesta.

Info

Publication number
ES2179870T3
ES2179870T3 ES95913765T ES95913765T ES2179870T3 ES 2179870 T3 ES2179870 T3 ES 2179870T3 ES 95913765 T ES95913765 T ES 95913765T ES 95913765 T ES95913765 T ES 95913765T ES 2179870 T3 ES2179870 T3 ES 2179870T3
Authority
ES
Spain
Prior art keywords
lens preform
resin composition
plastic lens
optical quality
mold
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.)
Expired - Lifetime
Application number
ES95913765T
Other languages
English (en)
Inventor
Amitava Gupta
Ronald D Blum
Venkatramani S Iyer
Paul J Nagg
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.)
INNOTECH Inc
Original Assignee
INNOTECH Inc
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 INNOTECH Inc filed Critical INNOTECH Inc
Application granted granted Critical
Publication of ES2179870T3 publication Critical patent/ES2179870T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/78—Moulding material on one side only of the preformed part
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0011—Moulds or cores; Details thereof or accessories therefor thin-walled moulds
    • B29C33/0016—Lost moulds, e.g. staying on the moulded object
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0888—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0073—Optical laminates
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0033—Multifocal lenses
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Thermal Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

SE DESCRIBE UN METODO PARA HACER MEJORES LENTES OPTICAS DE CALIDAD. EL METODO INCLUYE LA DISPOSICION DE UN MOLDE (13) CON UNA SUPERFICIE DE MOLDEO, UNA COMPOSICION DE RESINA OPTICA DE CALIDAD ENDURECIBLE Y UNA PREFORMA DE LENTE DE PLASTICO (11) DE MATERIAL OPTICO DE CALIDAD, COMO LA COMPOSICION DE RESINA (16) SE DISPONE ENTRE, Y EN CONTACTO CON, LA PREFORMA DE LENTE DE PLASTICO (11) Y EL MOLDE (13). CON EL ENDURECIMIENTO, LA COMPOSICION DE RESINA FORMA UNA PARTE DE PLASTICO DURO PEGADA, LIGADA A LA PREFORMA DE LENTE DE PLASTICO. LA COMPOSICION DE RESINA Y LA PREFORMA DE LENTE DE PLASTICO (11), SE SELECCIONAN DE MANERA QUE LA PARTE PEGADA TIENE UNA MAYOR RESISTENCIA A LOS ARAÑAZOS, UNA ABERRACION CROMATICA MAS BAJA, Y/O UNA MAYOR FACILIDAD DE REDONDEO QUE LA PREFORMA DE LA LENTE.
ES95913765T 1994-03-18 1995-03-16 Lente compuesta. Expired - Lifetime ES2179870T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/214,506 US5512371A (en) 1994-03-18 1994-03-18 Composite lenses

Publications (1)

Publication Number Publication Date
ES2179870T3 true ES2179870T3 (es) 2003-02-01

Family

ID=22799340

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95913765T Expired - Lifetime ES2179870T3 (es) 1994-03-18 1995-03-16 Lente compuesta.

Country Status (15)

Country Link
US (2) US5512371A (es)
EP (1) EP0746460B1 (es)
JP (1) JPH09511191A (es)
CN (1) CN1063386C (es)
AT (1) ATE218969T1 (es)
AU (1) AU702078B2 (es)
BR (1) BR9507062A (es)
CA (1) CA2182720C (es)
DE (1) DE69527044T2 (es)
ES (1) ES2179870T3 (es)
IL (1) IL112968A (es)
PL (1) PL316045A1 (es)
RU (1) RU2136497C1 (es)
TW (1) TW346442B (es)
WO (1) WO1995025631A1 (es)

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Also Published As

Publication number Publication date
RU2136497C1 (ru) 1999-09-10
IL112968A (en) 2000-09-28
BR9507062A (pt) 1997-09-02
CA2182720A1 (en) 1995-09-28
WO1995025631A1 (en) 1995-09-28
US5512371A (en) 1996-04-30
EP0746460A1 (en) 1996-12-11
AU2102795A (en) 1995-10-09
US5702819A (en) 1997-12-30
DE69527044D1 (de) 2002-07-18
IL112968A0 (en) 1995-06-29
CN1143926A (zh) 1997-02-26
PL316045A1 (en) 1996-12-23
MX9603993A (es) 1997-09-30
DE69527044T2 (de) 2002-10-02
EP0746460A4 (en) 1997-03-05
AU702078B2 (en) 1999-02-11
TW346442B (en) 1998-12-01
EP0746460B1 (en) 2002-06-12
CN1063386C (zh) 2001-03-21
JPH09511191A (ja) 1997-11-11
CA2182720C (en) 2000-01-25
ATE218969T1 (de) 2002-06-15

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