ZA982473B - Molding processes - Google Patents

Molding processes

Info

Publication number
ZA982473B
ZA982473B ZA982473A ZA982473A ZA982473B ZA 982473 B ZA982473 B ZA 982473B ZA 982473 A ZA982473 A ZA 982473A ZA 982473 A ZA982473 A ZA 982473A ZA 982473 B ZA982473 B ZA 982473B
Authority
ZA
South Africa
Prior art keywords
molding processes
molding
processes
Prior art date
Application number
ZA982473A
Other languages
English (en)
Inventor
Peter Herbrechtsmeier
Karl-Albert Baur
Roger Biel
John Golby
Roland Hauck
Peter Hagmann
Axel Heinrich
Otto Kretzschmar
Anette Lang
Achim Mueller
Thomas Schulz
Bernhard Seiferling
Werner Steffan
Original Assignee
Novartis Ag
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 Novartis Ag filed Critical Novartis Ag
Publication of ZA982473B publication Critical patent/ZA982473B/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
    • G01M11/0278—Detecting defects of the object to be tested, e.g. scratches or dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • 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
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
    • 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
    • B29C35/0894—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds provided with masks or diaphragms
    • 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
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/44—Measuring, controlling or regulating
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling 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
    • B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
    • 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
    • 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
    • B29D11/00259—Plants for the production of contact 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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0221—Testing optical properties by determining the optical axis or position of 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
    • B29C33/20—Opening, closing or clamping
    • 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
    • B29C33/70—Maintenance
    • B29C33/72—Cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Geometry (AREA)
  • Toxicology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
ZA982473A 1997-03-25 1998-03-24 Molding processes ZA982473B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82486097A 1997-03-25 1997-03-25

Publications (1)

Publication Number Publication Date
ZA982473B true ZA982473B (en) 1998-09-25

Family

ID=25242503

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA982473A ZA982473B (en) 1997-03-25 1998-03-24 Molding processes

Country Status (17)

Country Link
EP (1) EP0969956B1 (ja)
JP (1) JP4125793B2 (ja)
KR (1) KR20010005696A (ja)
CN (1) CN1075439C (ja)
AR (1) AR011459A1 (ja)
AT (1) ATE281927T1 (ja)
AU (1) AU731550B2 (ja)
BR (1) BR9807894A (ja)
CA (1) CA2282090A1 (ja)
DE (1) DE69827481T2 (ja)
ID (1) ID29303A (ja)
IL (1) IL131549A0 (ja)
NO (1) NO994654L (ja)
NZ (1) NZ337346A (ja)
TW (1) TW422772B (ja)
WO (1) WO1998042497A2 (ja)
ZA (1) ZA982473B (ja)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW429327B (en) * 1997-10-21 2001-04-11 Novartis Ag Single mould alignment
US6511311B1 (en) 1998-09-30 2003-01-28 Novartis Ag Lens mold carriers
EP1117523B1 (en) * 1998-09-30 2002-12-11 Novartis AG Lens mold carriers
US20040112008A1 (en) 1998-12-21 2004-06-17 Voss Leslie A. Heat seal apparatus for lens packages
US6494021B1 (en) 1999-02-18 2002-12-17 Johnson & Johnson Vision Care, Inc. Contact lens transfer and material removal system
US6592356B1 (en) 1999-05-05 2003-07-15 Johnson & Johnson Vision Care, Inc. Mold, molding system and molding machine for making ophthalmic devices
AU2001267563A1 (en) 2000-06-26 2002-01-08 Novartis Ag Polyurethane hydrogel contact lens
WO2002006038A2 (en) * 2000-07-19 2002-01-24 Koninklijke Philips Electronics N.V. Method of manufacturing a replica as well as a replica obtained by carrying out a uv light-initiated cationic polymerization
US6836692B2 (en) 2001-08-09 2004-12-28 Johnson & Johnson Vision Care, Inc. System and method for intelligent lens transfer
AU2002367417A1 (en) * 2002-01-11 2003-07-24 Koninklijke Philips Electronics N.V. Method of manufacturing a replica as well as a replica obtained by carrying out an uv light-initiated cationic polymerization
US6846892B2 (en) 2002-03-11 2005-01-25 Johnson & Johnson Vision Care, Inc. Low polydispersity poly-HEMA compositions
JP3675448B2 (ja) * 2003-03-31 2005-07-27 セイコーエプソン株式会社 テープ巻き付け装置
KR101157487B1 (ko) 2004-01-13 2012-07-06 폴리머 싸이언시즈 리미티드 몰딩 공정
MY139184A (en) 2004-12-06 2009-08-28 Novartis Ag Method of drying molds
US7726237B2 (en) 2005-03-18 2010-06-01 Novartis Ag Printing apparatus for making colored contact lenses
MY145965A (en) 2005-04-29 2012-05-31 Novartis Ag Lens molds with coating
US7682532B2 (en) * 2005-07-01 2010-03-23 Novartis Ag Process of dosing a starting material for optical lenses
US20070257387A1 (en) * 2006-05-05 2007-11-08 Hofmann Gregory J Package mold combination
CN101479096B (zh) * 2006-06-26 2013-10-23 诺瓦提斯公司 制造眼用透镜的方法及装置
US8003024B2 (en) * 2006-09-18 2011-08-23 Coopervision International Holding Company, Lp Polyolefin contact lens molds and uses thereof
WO2008042277A1 (en) * 2006-09-29 2008-04-10 Johnson & Johnson Vision Care, Inc. Electrostatic charge during ophthalmic lens manufacture
HUE027342T2 (en) * 2006-10-30 2016-09-28 Novartis Ag Method for applying a hydrophilic coating to a contact lens of silicone hydrogel
US8158192B2 (en) 2006-12-21 2012-04-17 Novartis Ag Process for the coating of biomedical articles
US7905594B2 (en) 2007-08-21 2011-03-15 Johnson & Johnson Vision Care, Inc. Free form ophthalmic lens
US8313828B2 (en) 2008-08-20 2012-11-20 Johnson & Johnson Vision Care, Inc. Ophthalmic lens precursor and lens
US8318055B2 (en) 2007-08-21 2012-11-27 Johnson & Johnson Vision Care, Inc. Methods for formation of an ophthalmic lens precursor and lens
US8317505B2 (en) * 2007-08-21 2012-11-27 Johnson & Johnson Vision Care, Inc. Apparatus for formation of an ophthalmic lens precursor and lens
US9417464B2 (en) 2008-08-20 2016-08-16 Johnson & Johnson Vision Care, Inc. Method and apparatus of forming a translating multifocal contact lens having a lower-lid contact surface
US8240849B2 (en) 2009-03-31 2012-08-14 Johnson & Johnson Vision Care, Inc. Free form lens with refractive index variations
HUE029087T2 (en) 2009-04-09 2017-02-28 Novartis Ag Method and apparatus for the automated production of various toric optical lenses
HUE038824T2 (hu) 2009-10-16 2018-11-28 Novartis Ag Eljárás, valamint egy tartály és egy eszköz együttese kontaktlencsének a tartályból való eltávolítására
CN102686388A (zh) 2009-10-16 2012-09-19 诺瓦提斯公司 用于在同一生产线上同时制造具有不同参数的特别是隐形眼镜的眼用镜片的方法
SG181663A1 (en) 2009-12-17 2012-07-30 Novartis Ag Method of dosing a lens forming material into a mold
EP2512788B1 (en) 2009-12-17 2016-10-26 Novartis AG Method of separating excess lens forming material from a molded ophthalmic lens and apparatus
EP2512787B1 (en) 2009-12-17 2018-10-17 Novartis AG Method and device for removing excess lens forming material from a molded contact lens
US8807076B2 (en) 2010-03-12 2014-08-19 Johnson & Johnson Vision Care, Inc. Apparatus for vapor phase processing ophthalmic devices
WO2012080468A1 (en) 2010-12-16 2012-06-21 Novartis Ag Method and apparatus for transferring objects between two consecutive processing stations being operated with different cycle speeds
MY186756A (en) 2011-10-28 2021-08-18 Alcon Inc Method for molding an ophthalmic lens and device for applying a coating to the surface of an ophthalmic lens mold
CN103958167B (zh) 2011-11-29 2017-03-08 诺华股份有限公司 用于模制眼用透镜的模具的至少一个半模的透镜成形表面的处理方法
NL2009433C2 (nl) * 2012-09-07 2014-03-10 Innovalens B V Systeem en werkwijze voor het vervaardigen van ophthalmische inrichtingen.
EP3204188B1 (en) * 2014-10-07 2021-09-01 Shamir Optical Industry Ltd. Methods and apparatus for inspection and optional rework of blocked ophthalmic lenses
US9645412B2 (en) 2014-11-05 2017-05-09 Johnson & Johnson Vision Care Inc. Customized lens device and method
GB2533408B (en) * 2014-12-19 2020-03-11 Coopervision Int Holding Co Lp Method and apparatus relating to manufacture of molds for forming contact lenses
US10359643B2 (en) 2015-12-18 2019-07-23 Johnson & Johnson Vision Care, Inc. Methods for incorporating lens features and lenses having such features
HUE042750T2 (hu) * 2016-03-04 2019-07-29 Novartis Ag Eljárás maradék nedvesség meghatározására egy lencseformázó felületen és/vagy felületben
CN106042234B (zh) * 2016-07-19 2018-05-04 东毓(宁波)油压工业有限公司 橡胶硫化机的自动换模和清洁机构
EP3672791B1 (en) * 2017-08-24 2023-06-28 Alcon Inc. Manufacturing module for the manufacture of ophthalmic lenses
WO2019038699A1 (en) * 2017-08-24 2019-02-28 Novartis Ag MODULAR PRODUCTION CHAIN FOR THE PRODUCTION OF OPTHALMIC LENSES
TWI787729B (zh) * 2021-02-03 2022-12-21 遠景光學股份有限公司 隱形眼鏡鏡片檢測後的取片方法

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FR1128971A (fr) * 1955-04-13 1957-01-14 Perfectionnements à la fabrication d'éléments ophtalmiques ou optiques en matières plastiques
US3871803A (en) * 1971-12-21 1975-03-18 Beattie Dev Company Apparatus for producing an optical molding plaque
IT1177344B (it) * 1984-11-28 1987-08-26 I O R Ind Ottiche Riunite Spa Impianto per la produzione automatica di lenti organiche
US5080839A (en) * 1990-04-17 1992-01-14 Johnson & Johnson Vision Products, Inc. Process for hydrating soft contact lenses
US5158717A (en) * 1990-11-27 1992-10-27 Bausch & Lomb Incorporated Method of molding shaped polymeric articles
ES2130384T3 (es) * 1993-07-19 1999-07-01 Novartis Ag Procedimiento y dispositivo para la obtencion de cuerpos moldeados, asi como cuerpos moldeados obtenidos segun el procedimiento.
TW272976B (ja) * 1993-08-06 1996-03-21 Ciba Geigy Ag
TW258686B (ja) * 1994-03-07 1995-10-01 Ciba Geigy
IL113691A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Low oxygen molding of soft contact lenses
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
JP2001518028A (ja) 2001-10-09
KR20010005696A (ko) 2001-01-15
CN1075439C (zh) 2001-11-28
NZ337346A (en) 2001-06-29
ID29303A (id) 2001-08-16
AU7209398A (en) 1998-10-20
WO1998042497A2 (en) 1998-10-01
JP4125793B2 (ja) 2008-07-30
WO1998042497A3 (en) 1999-02-18
ATE281927T1 (de) 2004-11-15
NO994654D0 (no) 1999-09-24
NO994654L (no) 1999-11-22
AR011459A1 (es) 2000-08-16
CA2282090A1 (en) 1998-10-01
EP0969956A2 (en) 2000-01-12
DE69827481D1 (de) 2004-12-16
CN1251065A (zh) 2000-04-19
EP0969956B1 (en) 2004-11-10
DE69827481T2 (de) 2005-10-27
TW422772B (en) 2001-02-21
AU731550B2 (en) 2001-04-05
IL131549A0 (en) 2001-01-28
BR9807894A (pt) 2000-03-21

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