HK1028216A1 - Injection molding process for rotationally asymmetric contact lens surfaces - Google Patents

Injection molding process for rotationally asymmetric contact lens surfaces

Info

Publication number
HK1028216A1
HK1028216A1 HK00106506A HK00106506A HK1028216A1 HK 1028216 A1 HK1028216 A1 HK 1028216A1 HK 00106506 A HK00106506 A HK 00106506A HK 00106506 A HK00106506 A HK 00106506A HK 1028216 A1 HK1028216 A1 HK 1028216A1
Authority
HK
Hong Kong
Prior art keywords
injection molding
contact lens
molding process
lens surfaces
rotationally asymmetric
Prior art date
Application number
HK00106506A
Other languages
English (en)
Inventor
Gabriel Philip Kennedy
Original Assignee
Bausch & Lomb
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 Bausch & Lomb filed Critical Bausch & Lomb
Publication of HK1028216A1 publication Critical patent/HK1028216A1/xx

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
    • B29D11/0048—Moulds for 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • 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
    • B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
HK00106506A 1997-06-30 2000-10-12 Injection molding process for rotationally asymmetric contact lens surfaces HK1028216A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5809697P 1997-06-30 1997-06-30
PCT/US1998/012036 WO1999000241A1 (en) 1997-06-30 1998-06-09 Injection molding process for rotationally asymmetric contact lens surfaces

Publications (1)

Publication Number Publication Date
HK1028216A1 true HK1028216A1 (en) 2001-02-09

Family

ID=22014659

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00106506A HK1028216A1 (en) 1997-06-30 2000-10-12 Injection molding process for rotationally asymmetric contact lens surfaces

Country Status (13)

Country Link
US (2) US5968422A (xx)
EP (1) EP0993364B1 (xx)
JP (1) JP2002507160A (xx)
KR (1) KR100561502B1 (xx)
CN (1) CN1067011C (xx)
AU (1) AU8140698A (xx)
BR (1) BR9810501A (xx)
CA (1) CA2293568C (xx)
DE (1) DE69807334T2 (xx)
ES (1) ES2182332T3 (xx)
HK (1) HK1028216A1 (xx)
TW (1) TW386168B (xx)
WO (1) WO1999000241A1 (xx)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11258553A (ja) * 1998-03-09 1999-09-24 Menicon Co Ltd プリズムバラスト型コンタクトレンズ及びその製造方法並びにそれに用いられるモールド型
US6383419B1 (en) 1999-12-09 2002-05-07 Gregg A. Dean Method for cast molding toric contact lenses
US6368522B1 (en) * 2000-01-03 2002-04-09 Johnson & Johnson Vision Care, Inc. Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
AU2001252985A1 (en) * 2000-03-31 2001-10-15 Bausch And Lomb Incorporated Methods and devices to control polymerization
US6476971B1 (en) * 2000-10-31 2002-11-05 Eastman Kodak Company Method of manufacturing a microlens array mold and a microlens array
US6595639B1 (en) * 2000-11-10 2003-07-22 Ocular Sciences, Inc. Junctionless ophthalmic lenses and methods for making same
US7152975B2 (en) 2000-11-10 2006-12-26 Cooper Vision, Inc. Junctionless ophthalmic lenses and methods for making same
EP1245372B1 (en) * 2001-03-26 2011-09-28 Novartis AG Mould and method for the production of ophthalmic lenses
US20040075182A1 (en) * 2002-04-10 2004-04-22 Stephane Gobron Stackable contact lens molds
US6939486B2 (en) * 2002-06-25 2005-09-06 Bausch & Lomb Incorporated Apparatus and method for making intraocular lenses
US10340424B2 (en) 2002-08-30 2019-07-02 GE Lighting Solutions, LLC Light emitting diode component
ATE543221T1 (de) * 2002-09-19 2012-02-15 Cree Inc Leuchtstoffbeschichtete leuchtdioden mit verjüngten seitenwänden und herstellungsverfahren dafür
US20050104072A1 (en) 2003-08-14 2005-05-19 Slater David B.Jr. Localized annealing of metal-silicon carbide ohmic contacts and devices so formed
US7029935B2 (en) * 2003-09-09 2006-04-18 Cree, Inc. Transmissive optical elements including transparent plastic shell having a phosphor dispersed therein, and methods of fabricating same
US7183587B2 (en) * 2003-09-09 2007-02-27 Cree, Inc. Solid metal block mounting substrates for semiconductor light emitting devices
US20060017185A1 (en) * 2004-07-22 2006-01-26 Brendan Boland Predictive method of assigning power to an ophthalmic lens or lens lot
US20060055071A1 (en) * 2004-08-18 2006-03-16 Stephen Kendig Using higher order mathematical functions to create asymmetric molding back pieces
US20060097385A1 (en) 2004-10-25 2006-05-11 Negley Gerald H Solid metal block semiconductor light emitting device mounting substrates and packages including cavities and heat sinks, and methods of packaging same
CN100592142C (zh) * 2004-12-22 2010-02-24 诺瓦提斯公司 用于大幅度平移的接触透镜的设计
US7322732B2 (en) 2004-12-23 2008-01-29 Cree, Inc. Light emitting diode arrays for direct backlighting of liquid crystal displays
US20060145370A1 (en) * 2004-12-30 2006-07-06 Lawton Bruce E Optical tool assembly
US20060145369A1 (en) * 2004-12-30 2006-07-06 Lawton Bruce E Non-optical multi-piece core assembly for rapid tool change
US20060145372A1 (en) * 2004-12-30 2006-07-06 Jones Thomas G Optical tool assembly for improved RCW and lens edge formation
US7585167B2 (en) * 2004-12-30 2009-09-08 Bausch + Lomb Incorporated Core locking assembly and method for orientation of asymmetric tooling
US7304694B2 (en) * 2005-01-12 2007-12-04 Cree, Inc. Solid colloidal dispersions for backlighting of liquid crystal displays
WO2007073496A2 (en) 2005-12-22 2007-06-28 Cree Led Lighting Solutions, Inc. Lighting device
TWI491062B (zh) 2006-01-20 2015-07-01 Cree Inc 空間分離發光膜以偏移固態發光器的光譜內容
US8441179B2 (en) 2006-01-20 2013-05-14 Cree, Inc. Lighting devices having remote lumiphors that are excited by lumiphor-converted semiconductor excitation sources
KR20090031370A (ko) 2006-05-23 2009-03-25 크리 엘이디 라이팅 솔루션즈, 인크. 조명 장치
US20070293410A1 (en) * 2006-06-15 2007-12-20 Surowiak Richard J Contact lens and method for preventing contact lens intolerance
US8540907B2 (en) * 2006-07-24 2013-09-24 Coopervision International Holding Company, Lp Methods for producing ophthalmic lens molds and molded ophthalmic lenses
CA2740212A1 (en) * 2008-10-10 2010-04-15 Widex A/S Method for manufacturing a hearing aid having a custom fitted resilient component
US8663538B2 (en) 2009-02-12 2014-03-04 Picolife Technologies, Llc Method of making a membrane for use with a flow control system for a micropump
US8593040B2 (en) 2009-10-02 2013-11-26 Ge Lighting Solutions Llc LED lamp with surface area enhancing fins
US8466611B2 (en) 2009-12-14 2013-06-18 Cree, Inc. Lighting device with shaped remote phosphor
US8772817B2 (en) 2010-12-22 2014-07-08 Cree, Inc. Electronic device submounts including substrates with thermally conductive vias
TW201300845A (zh) 2011-06-17 2013-01-01 Univ Nat Chiao Tung 透鏡裝置及其製造方法
KR101988595B1 (ko) * 2011-09-09 2019-06-12 에제키엘 노미니즈 피티와이 리미티드 다촛점 작동 콘택트렌즈 캐스팅 성형방법
US8790307B2 (en) 2011-12-01 2014-07-29 Picolife Technologies, Llc Drug delivery device and methods therefor
US8771229B2 (en) 2011-12-01 2014-07-08 Picolife Technologies, Llc Cartridge system for delivery of medicament
US10130759B2 (en) 2012-03-09 2018-11-20 Picolife Technologies, Llc Multi-ported drug delivery device having multi-reservoir cartridge system
US9883834B2 (en) 2012-04-16 2018-02-06 Farid Amirouche Medication delivery device with multi-reservoir cartridge system and related methods of use
US9500355B2 (en) 2012-05-04 2016-11-22 GE Lighting Solutions, LLC Lamp with light emitting elements surrounding active cooling device
US10245420B2 (en) 2012-06-26 2019-04-02 PicoLife Technologies Medicament distribution systems and related methods of use
US9880399B2 (en) 2015-11-16 2018-01-30 Johnson & Johnson Vision Care, Inc. Truncated translating contact lens with optimized performance and method of design
US10786959B2 (en) 2016-07-18 2020-09-29 Johnson & Johnson Vision Care, Inc Mold for contact lens with non-rotationally symmetric rim or edge
EP3887123A1 (en) * 2018-11-26 2021-10-06 Alcon Inc. Injection molding apparatus and method for manufacturing an ophthalmic lens mold through injection molding

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110278A (en) * 1990-11-30 1992-05-05 Pilkington Visioncare, Inc. Injection molding apparatus for producing a toric lens casting mold arbor
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
AU4639293A (en) * 1992-09-29 1994-04-26 Bausch & Lomb Incorporated Method of making plastic molds and process for cast molding contact lenses
US5601759A (en) * 1993-10-05 1997-02-11 Bausch & Lomb Incorporated Method for molding contact lenses
US5407062A (en) * 1994-01-28 1995-04-18 Bausch & Lomb Incorporated Contact lens mold packaging
WO1995020483A1 (en) * 1994-01-31 1995-08-03 Bausch & Lomb Incorporated Method of cast molding toric contact lenses
US5702735A (en) * 1994-06-10 1997-12-30 Johnson & Johnson Vision Products, Inc. Molding arrangement to achieve short mold cycle time
US5843346A (en) * 1994-06-30 1998-12-01 Polymer Technology Corporation Method of cast molding contact lenses
US5716540A (en) * 1996-02-09 1998-02-10 Johnson & Johnson Vision Products, Inc. Apparatus and method for producing center gated lens molds for contact lens manufacture

Also Published As

Publication number Publication date
WO1999000241A1 (en) 1999-01-07
EP0993364A1 (en) 2000-04-19
DE69807334D1 (de) 2002-09-26
CA2293568C (en) 2004-10-12
AU8140698A (en) 1999-01-19
JP2002507160A (ja) 2002-03-05
BR9810501A (pt) 2000-09-05
ES2182332T3 (es) 2003-03-01
EP0993364B1 (en) 2002-08-21
CA2293568A1 (en) 1999-01-07
KR20010014318A (ko) 2001-02-26
CN1067011C (zh) 2001-06-13
US6305661B1 (en) 2001-10-23
DE69807334T2 (de) 2003-04-10
KR100561502B1 (ko) 2006-03-17
US5968422A (en) 1999-10-19
TW386168B (en) 2000-04-01
CN1261845A (zh) 2000-08-02

Similar Documents

Publication Publication Date Title
HK1028216A1 (en) Injection molding process for rotationally asymmetric contact lens surfaces
PL346525A1 (en) Contact lens
EP1215992A4 (en) TREATED SURFACE ON CONTACT LENS
HK1048331A1 (en) Contact lens material
IL131549A0 (en) Molding processes
SG83755A1 (en) Toric contact lenses
HUP0102647A3 (en) Injection moulding
PL328802A1 (en) Contact lens
EP0911959A4 (en) MOLDING MACHINE
HK1013408A1 (en) Method for molding contact lenses
SG71771A1 (en) Toric contact lenses
IL145284A0 (en) Molding method for manufacturing thin thermoplastic lenses
GB9607369D0 (en) Amino resin composition for mold cleaning
GB9801214D0 (en) Lens injector
EP0836111A4 (en) SOLUTION FOR CLEANING CONTACT LENSES AND METHOD FOR CLEANING SUCH CONTACT LENSES USING THE SAME
GB9710781D0 (en) Decentred bifocal contact lenses
AU9107498A (en) Clamping assembly for injection molding apparatus
AU1679897A (en) An injection moulding process
HK1028215A1 (en) Method of molding contact lenses
GB9827568D0 (en) Injection molding machine
GB9726069D0 (en) Hard coating solution for optical plastic lenses
EP0938016A4 (en) CONTACT LENS
GB9701338D0 (en) Contact lens solution
AU9063498A (en) Injection moulding machine
GB2329356B (en) Contact Lens Manufacture

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080609