CA2430644A1 - High optical quality molds for use in contact lens production - Google Patents

High optical quality molds for use in contact lens production Download PDF

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Publication number
CA2430644A1
CA2430644A1 CA002430644A CA2430644A CA2430644A1 CA 2430644 A1 CA2430644 A1 CA 2430644A1 CA 002430644 A CA002430644 A CA 002430644A CA 2430644 A CA2430644 A CA 2430644A CA 2430644 A1 CA2430644 A1 CA 2430644A1
Authority
CA
Canada
Prior art keywords
high optical
optical quality
contact lens
lens production
molds
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.)
Granted
Application number
CA002430644A
Other languages
French (fr)
Other versions
CA2430644C (en
Inventor
David C. Turner
Robert B. Steffen
Christopher Wildsmith
Thomas A. Matiacio
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.)
Johnson and Johnson Vision Care Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2430644A1 publication Critical patent/CA2430644A1/en
Application granted granted Critical
Publication of CA2430644C publication Critical patent/CA2430644C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • 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
    • B29D11/00038—Production of contact lenses
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00134—Curing of the contact lens material
    • 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
    • B29L2011/0041—Contact 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold
    • 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
    • Y10T428/21—Circular sheet or circular blank
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • 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]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane
    • 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]
    • Y10T428/31652—Of asbestos
    • Y10T428/31667—Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product

Abstract

The invention provides molds and mold inserts useful in the production of contact lenses. In particular, the invention provides high optical quality molds and inserts useful for manufacturing silicone hydrogel contact lenses.
CA002430644A 2000-12-01 2001-11-15 High optical quality molds for use in contact lens production Expired - Fee Related CA2430644C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/727,874 2000-12-01
US09/727,874 US6861123B2 (en) 2000-12-01 2000-12-01 Silicone hydrogel contact lens
PCT/US2001/051606 WO2002083400A2 (en) 2000-12-01 2001-11-15 High optical quality molds for use in contact lens production

Publications (2)

Publication Number Publication Date
CA2430644A1 true CA2430644A1 (en) 2002-10-24
CA2430644C CA2430644C (en) 2009-09-15

Family

ID=24924433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002430644A Expired - Fee Related CA2430644C (en) 2000-12-01 2001-11-15 High optical quality molds for use in contact lens production

Country Status (13)

Country Link
US (3) US6861123B2 (en)
EP (1) EP1368180B1 (en)
JP (1) JP4361277B2 (en)
KR (1) KR100813425B1 (en)
CN (1) CN100411862C (en)
AR (1) AR031448A1 (en)
AU (1) AU2001297973B2 (en)
BR (1) BR0116459B1 (en)
CA (1) CA2430644C (en)
DE (1) DE60126512T2 (en)
HK (1) HK1058919A1 (en)
TW (1) TW559588B (en)
WO (1) WO2002083400A2 (en)

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Also Published As

Publication number Publication date
US7422710B2 (en) 2008-09-09
CN100411862C (en) 2008-08-20
DE60126512D1 (en) 2007-03-22
BR0116459A (en) 2003-12-30
US7731148B2 (en) 2010-06-08
JP2004525003A (en) 2004-08-19
US20020099112A1 (en) 2002-07-25
HK1058919A1 (en) 2004-06-11
US20090020683A1 (en) 2009-01-22
BR0116459B1 (en) 2010-11-30
JP4361277B2 (en) 2009-11-11
KR20030060969A (en) 2003-07-16
AR031448A1 (en) 2003-09-24
DE60126512T2 (en) 2007-11-22
CN1500035A (en) 2004-05-26
EP1368180B1 (en) 2007-02-07
KR100813425B1 (en) 2008-03-13
TW559588B (en) 2003-11-01
US6861123B2 (en) 2005-03-01
EP1368180A2 (en) 2003-12-10
US20050167864A1 (en) 2005-08-04
AU2001297973B2 (en) 2007-03-15
WO2002083400A3 (en) 2003-02-27
CA2430644C (en) 2009-09-15
WO2002083400A2 (en) 2002-10-24

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