BR9507062A - Processo para produção de lentes compósitas de plástico de qualidade ótica e respectiva lente compósita de plástico de qualidade ótica - Google Patents

Processo para produção de lentes compósitas de plástico de qualidade ótica e respectiva lente compósita de plástico de qualidade ótica

Info

Publication number
BR9507062A
BR9507062A BR9507062A BR9507062A BR9507062A BR 9507062 A BR9507062 A BR 9507062A BR 9507062 A BR9507062 A BR 9507062A BR 9507062 A BR9507062 A BR 9507062A BR 9507062 A BR9507062 A BR 9507062A
Authority
BR
Brazil
Prior art keywords
optical quality
plastic composite
quality plastic
lens preform
resin composition
Prior art date
Application number
BR9507062A
Other languages
English (en)
Inventor
Amitava Gupta
Ronald D Blum
Venkatramani S Iyer
Paul J Nagg
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
Publication of BR9507062A publication Critical patent/BR9507062A/pt

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)
  • Thermal Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Composite Materials (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
BR9507062A 1994-03-18 1995-03-16 Processo para produção de lentes compósitas de plástico de qualidade ótica e respectiva lente compósita de plástico de qualidade ótica BR9507062A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/214,506 US5512371A (en) 1994-03-18 1994-03-18 Composite lenses
PCT/US1995/003421 WO1995025631A1 (en) 1994-03-18 1995-03-16 Method and apparatus for manufacturing composite lenses

Publications (1)

Publication Number Publication Date
BR9507062A true BR9507062A (pt) 1997-09-02

Family

ID=22799340

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9507062A BR9507062A (pt) 1994-03-18 1995-03-16 Processo para produção de lentes compósitas de plástico de qualidade ótica e respectiva lente compósita de plástico de qualidade ótica

Country Status (15)

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

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US7775660B2 (en) 1999-07-02 2010-08-17 E-Vision Llc Electro-active ophthalmic lens having an optical power blending region
US6231183B1 (en) 1999-07-06 2001-05-15 Stephen M. Dillon Optical lens structure and method of fabrication thereof
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US8778022B2 (en) 2004-11-02 2014-07-15 E-Vision Smart Optics Inc. Electro-active intraocular lenses
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Also Published As

Publication number Publication date
EP0746460A1 (en) 1996-12-11
CA2182720C (en) 2000-01-25
WO1995025631A1 (en) 1995-09-28
DE69527044T2 (de) 2002-10-02
PL316045A1 (en) 1996-12-23
EP0746460B1 (en) 2002-06-12
MX9603993A (es) 1997-09-30
CA2182720A1 (en) 1995-09-28
EP0746460A4 (en) 1997-03-05
ES2179870T3 (es) 2003-02-01
DE69527044D1 (de) 2002-07-18
CN1143926A (zh) 1997-02-26
US5702819A (en) 1997-12-30
RU2136497C1 (ru) 1999-09-10
AU702078B2 (en) 1999-02-11
ATE218969T1 (de) 2002-06-15
IL112968A (en) 2000-09-28
AU2102795A (en) 1995-10-09
CN1063386C (zh) 2001-03-21
TW346442B (en) 1998-12-01
IL112968A0 (en) 1995-06-29
JPH09511191A (ja) 1997-11-11
US5512371A (en) 1996-04-30

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal