ZA968176B - Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects. - Google Patents

Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects.

Info

Publication number
ZA968176B
ZA968176B ZA9608176A ZA968176A ZA968176B ZA 968176 B ZA968176 B ZA 968176B ZA 9608176 A ZA9608176 A ZA 9608176A ZA 968176 A ZA968176 A ZA 968176A ZA 968176 B ZA968176 B ZA 968176B
Authority
ZA
South Africa
Prior art keywords
lens
wetting
transiently
production
molds
Prior art date
Application number
ZA9608176A
Other languages
English (en)
Inventor
Michael Widman
James Jen
John Enns
Mehmet Burduroglu
Original Assignee
Johnson & Johnson Vision Prod
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 Johnson & Johnson Vision Prod filed Critical Johnson & Johnson Vision Prod
Publication of ZA968176B publication Critical patent/ZA968176B/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
    • 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
    • B29D11/00519—Reusable 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • 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
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0092—Other properties hydrophilic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
ZA9608176A 1995-09-29 1996-09-27 Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects. ZA968176B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/536,929 US5674557A (en) 1995-09-29 1995-09-29 Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects

Publications (1)

Publication Number Publication Date
ZA968176B true ZA968176B (en) 1998-03-27

Family

ID=24140503

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9608176A ZA968176B (en) 1995-09-29 1996-09-27 Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects.

Country Status (16)

Country Link
US (1) US5674557A (fr)
EP (1) EP0770474B1 (fr)
JP (1) JPH09169059A (fr)
KR (1) KR100442157B1 (fr)
CN (1) CN1106253C (fr)
AT (1) ATE204231T1 (fr)
AU (1) AU701336B2 (fr)
BR (1) BR9603925A (fr)
CA (1) CA2186565C (fr)
DE (1) DE69614478T2 (fr)
IL (1) IL119147A0 (fr)
NO (1) NO964098L (fr)
NZ (1) NZ299287A (fr)
SG (1) SG98359A1 (fr)
TW (1) TW426596B (fr)
ZA (1) ZA968176B (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6113817A (en) * 1997-03-25 2000-09-05 Novartis Ag Molding processes
US6869549B2 (en) * 1999-05-05 2005-03-22 Johnson & Johnson Vision Care, Inc. Method and mold for making ophthalmic devices
KR20020010157A (ko) * 1999-06-11 2002-02-02 로버트 비. 스틸레스 콘택트 렌즈 및 다른 안과 제품의 제조를 위한 보호코팅을 갖는 렌즈 금형
EP1245372B1 (fr) * 2001-03-26 2011-09-28 Novartis AG Moule et procédé pour la fabrication de lentilles opthalmiques
KR20100119802A (ko) * 2002-08-16 2010-11-10 존슨 앤드 존슨 비젼 케어, 인코포레이티드 콘택트 렌즈 제조용 금형
WO2006113290A1 (fr) 2005-04-13 2006-10-26 Benz Research & Development Corporation Polymeres pour lentilles intraoculaires
US20070194486A1 (en) * 2005-05-09 2007-08-23 Sanders Kerry T Ophthalmic lens inspection processing aid
US20070037897A1 (en) * 2005-08-12 2007-02-15 Guigui Wang Method for making contact lenses
US7799248B2 (en) * 2006-03-20 2010-09-21 Coopervision International Holding Company, Lp Demolding aids for silicone hydrogels and related methods
CN101500788B (zh) * 2006-08-11 2013-06-19 诺瓦提斯公司 用于制造眼镜片的具有保护涂层的透镜模具
US7968018B2 (en) * 2007-04-18 2011-06-28 Coopervision International Holding Company, Lp Use of surfactants in extraction procedures for silicone hydrogel ophthalmic lenses
US20090121370A1 (en) * 2007-10-26 2009-05-14 Bausch & Lomb Incorporated Molds for Production of Ophthalmic Devices
MY160588A (en) * 2007-12-20 2017-03-15 Novartis Ag Method for cast molding contact lenses
US8764425B2 (en) 2009-02-12 2014-07-01 Picolife Technologies, Llc Mold for making a membrane for use with a flow control system for a micropump
US8163358B2 (en) 2009-02-18 2012-04-24 Synergeyes, Inc. Surface modification of contact lenses
KR102159909B1 (ko) * 2010-07-30 2020-09-25 알콘 인코포레이티드 수분이 풍부한 표면을 갖는 실리콘 히드로겔 렌즈
EP2637847B1 (fr) 2010-11-10 2014-07-23 Novartis AG Procédé pour fabriquer des lentilles de contact
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
US10245420B2 (en) 2012-06-26 2019-04-02 PicoLife Technologies Medicament distribution systems and related methods of use
MY201826A (en) 2017-12-13 2024-03-19 Alcon Inc Method for producing mps-compatible water gradient contact lenses
US10964569B2 (en) * 2018-06-29 2021-03-30 Taiwan Semiconductor Manufacturing Co., Ltd. Semiconductor die carrier structure
WO2023042060A1 (fr) * 2021-09-14 2023-03-23 Alcon Inc. Chaîne de production destinée à la production de lentilles ophtalmiques
EP4663394A1 (fr) * 2021-09-14 2025-12-17 Alcon Inc. Chaîne de production pour la production de lentilles ophtalmiques

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150073A (en) * 1977-05-25 1979-04-17 Neefe Charles W Method of controlling the adhesion of a molded plastic lens to the mold
US4361657A (en) * 1978-11-30 1982-11-30 Global Vision (U.K.) Ltd. Cross-linked hydrogel copolymers for contact lenses
JPS5695932A (en) * 1979-12-28 1981-08-03 Tokyo Contact Lens Kenkyusho:Kk Hydrophilic treatment of surface of methyl methacrylate resin molded article
US4640489A (en) * 1981-04-30 1987-02-03 Mia-Lens Production A/S Mold for making contact lenses, either the male or female mold sections being relatively more flexible
CS239282B1 (en) * 1983-08-17 1986-01-16 Otto Wichterle Preparation method of objects made from hydrophilic gelsnamely contact lences by polymer casting
CS260213B1 (en) * 1986-03-05 1988-12-15 Jiri Sulc Method of polymerization casting of articles especially lenses from hydrophilic gels and equipment for realization of this method
JPH01302201A (ja) * 1988-05-30 1989-12-06 Dainippon Printing Co Ltd レンズシート成形用樹脂組成物
US4983332A (en) * 1989-08-21 1991-01-08 Bausch & Lomb Incorporated Method for manufacturing hydrophilic contact lenses
JPH04189112A (ja) * 1990-11-22 1992-07-07 Seiko Epson Corp プラスチックレンズの製造方法
US5264161A (en) * 1991-09-05 1993-11-23 Bausch & Lomb Incorporated Method of using surfactants as contact lens processing aids
US5326505A (en) * 1992-12-21 1994-07-05 Johnson & Johnson Vision Products, Inc. Method for treating an ophthalmic lens mold
US5542978A (en) * 1994-06-10 1996-08-06 Johnson & Johnson Vision Products, Inc. Apparatus for applying a surfactant to mold surfaces
US5551663A (en) * 1994-09-20 1996-09-03 Soane Technologies, Inc. Plastic molds for ophthalmic devices and methods for forming same

Also Published As

Publication number Publication date
ATE204231T1 (de) 2001-09-15
CN1155089A (zh) 1997-07-23
TW426596B (en) 2001-03-21
EP0770474B1 (fr) 2001-08-16
EP0770474A2 (fr) 1997-05-02
IL119147A0 (en) 1996-11-14
KR970017735A (ko) 1997-04-30
MX9604509A (es) 1997-07-31
CA2186565C (fr) 2007-01-09
DE69614478T2 (de) 2002-06-06
NO964098D0 (no) 1996-09-27
US5674557A (en) 1997-10-07
DE69614478D1 (de) 2001-09-20
AU6555796A (en) 1997-03-27
EP0770474A3 (fr) 1997-10-08
KR100442157B1 (ko) 2004-10-06
NO964098L (no) 1997-04-01
SG98359A1 (en) 2003-09-19
AU701336B2 (en) 1999-01-28
CA2186565A1 (fr) 1997-03-30
JPH09169059A (ja) 1997-06-30
NZ299287A (en) 1998-07-28
CN1106253C (zh) 2003-04-23
BR9603925A (pt) 1998-08-25

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