WO2007021597A3 - Systems and methods for producing silicone hydrogel contact lenses - Google Patents

Systems and methods for producing silicone hydrogel contact lenses Download PDF

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Publication number
WO2007021597A3
WO2007021597A3 PCT/US2006/030498 US2006030498W WO2007021597A3 WO 2007021597 A3 WO2007021597 A3 WO 2007021597A3 US 2006030498 W US2006030498 W US 2006030498W WO 2007021597 A3 WO2007021597 A3 WO 2007021597A3
Authority
WO
WIPO (PCT)
Prior art keywords
mold
contact lens
station
silicone hydrogel
mold section
Prior art date
Application number
PCT/US2006/030498
Other languages
French (fr)
Other versions
WO2007021597A2 (en
Inventor
Neil G Goodenough
Gregg A Dean
Sarah E Darnton
Richard C Rogers
Philip A Brame
Geoffrey A Blyth
Sarah L Almond
Ian Bruce
Pete Coldrey
Jamie Snell
Original Assignee
Coopervision Inc
Neil G Goodenough
Gregg A Dean
Sarah E Darnton
Richard C Rogers
Philip A Brame
Geoffrey A Blyth
Sarah L Almond
Ian Bruce
Pete Coldrey
Jamie Snell
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 Coopervision Inc, Neil G Goodenough, Gregg A Dean, Sarah E Darnton, Richard C Rogers, Philip A Brame, Geoffrey A Blyth, Sarah L Almond, Ian Bruce, Pete Coldrey, Jamie Snell filed Critical Coopervision Inc
Priority to KR1020087005722A priority Critical patent/KR101284995B1/en
Priority to CA2618660A priority patent/CA2618660C/en
Priority to BRPI0615169-8A priority patent/BRPI0615169A2/en
Priority to MX2008001764A priority patent/MX2008001764A/en
Priority to CN2006800292357A priority patent/CN101317122B/en
Publication of WO2007021597A2 publication Critical patent/WO2007021597A2/en
Priority to HK09100593.2A priority patent/HK1121241A1/en
Publication of WO2007021597A3 publication Critical patent/WO2007021597A3/en

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
    • 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
    • B29D11/0023—Transferring contact lenses
    • B29D11/0024—Transferring contact lenses using a vacuum suction gripper
    • 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
    • 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
    • B29D11/0048—Moulds for lenses
    • 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
    • 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
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/50—Removing moulded articles
    • B29C2043/5046—Removing moulded articles using vacuum
    • 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

Abstract

Systems and methods for producing silicone hydrogel contact lenses are described. Certain of the present systems include a contact lens mold forming station, a station for filling a contact lens mold section with a lens precursor composition and for placing a second mold section on the filled mold section to form a contact lens mold assembly, a curing station for forming a contact lens, a mold assembly separation station, and an extraction/hydration station. Certain of the present methods include forming a plurality of mold sections, placing a lens precursor composition on a surface of a first mold section, placing a second mold section on the first mold section, polymerizing the lens precursor composition, separating the first and second mold sections, removing the silicone hydrogel contact lens from one of the mold sections, extracting extractable components from the contact lens, and hydrating the contact lens.
PCT/US2006/030498 2005-08-09 2006-08-07 Systems and methods for producing silicone hydrogel contact lenses WO2007021597A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020087005722A KR101284995B1 (en) 2005-08-09 2006-08-07 Systems and methods for producing silicone hydrogel contact lenses
CA2618660A CA2618660C (en) 2005-08-09 2006-08-07 Systems and methods for producing silicone hydrogel contact lenses
BRPI0615169-8A BRPI0615169A2 (en) 2005-08-09 2006-08-07 systems and methods for producing silicone hydrogel contact lenses
MX2008001764A MX2008001764A (en) 2005-08-09 2006-08-07 Systems and methods for producing silicone hydrogel contact lenses.
CN2006800292357A CN101317122B (en) 2005-08-09 2006-08-07 Systems and methods for producing silicone hydrogel contact lenses
HK09100593.2A HK1121241A1 (en) 2005-08-09 2009-01-20 Systems and methods for producing silicone hydrogel contact lenses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/201,409 2005-08-09
US11/201,409 US7799249B2 (en) 2005-08-09 2005-08-09 Systems and methods for producing silicone hydrogel contact lenses

Publications (2)

Publication Number Publication Date
WO2007021597A2 WO2007021597A2 (en) 2007-02-22
WO2007021597A3 true WO2007021597A3 (en) 2009-05-07

Family

ID=37453876

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/030498 WO2007021597A2 (en) 2005-08-09 2006-08-07 Systems and methods for producing silicone hydrogel contact lenses

Country Status (13)

Country Link
US (2) US7799249B2 (en)
EP (1) EP1754591B1 (en)
JP (1) JP4851271B2 (en)
KR (1) KR101284995B1 (en)
CN (1) CN101317122B (en)
BR (1) BRPI0615169A2 (en)
CA (1) CA2618660C (en)
HK (1) HK1121241A1 (en)
HU (1) HUE027437T2 (en)
MX (1) MX2008001764A (en)
MY (1) MY144816A (en)
TW (1) TWI428657B (en)
WO (1) WO2007021597A2 (en)

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