IL111873A - Process and apparatus for the manufacture of a contact lens - Google Patents

Process and apparatus for the manufacture of a contact lens

Info

Publication number
IL111873A
IL111873A IL111873A IL11187394A IL111873A IL 111873 A IL111873 A IL 111873A IL 111873 A IL111873 A IL 111873A IL 11187394 A IL11187394 A IL 11187394A IL 111873 A IL111873 A IL 111873A
Authority
IL
Israel
Prior art keywords
mold
contact lens
manufacture
mold half
halves
Prior art date
Application number
IL111873A
Other languages
English (en)
Other versions
IL111873A0 (en
Original Assignee
Ciba Geigy 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8215087&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL111873(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of IL111873A0 publication Critical patent/IL111873A0/xx
Publication of IL111873A publication Critical patent/IL111873A/xx

Links

Classifications

    • 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
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/757—Moulds, cores, dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Manufacture Of Switches (AREA)
IL111873A 1993-12-13 1994-12-05 Process and apparatus for the manufacture of a contact lens IL111873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93810872 1993-12-13

Publications (2)

Publication Number Publication Date
IL111873A0 IL111873A0 (en) 1995-03-15
IL111873A true IL111873A (en) 1997-06-10

Family

ID=8215087

Family Applications (1)

Application Number Title Priority Date Filing Date
IL111873A IL111873A (en) 1993-12-13 1994-12-05 Process and apparatus for the manufacture of a contact lens

Country Status (15)

Country Link
EP (1) EP0657264B1 (fr)
JP (1) JP3110268B2 (fr)
CN (1) CN1110212A (fr)
AT (1) ATE182287T1 (fr)
AU (1) AU694145B2 (fr)
CA (1) CA2137765A1 (fr)
DE (1) DE59408513D1 (fr)
DK (1) DK0657264T3 (fr)
ES (1) ES2136721T3 (fr)
FI (1) FI945797A (fr)
GR (1) GR3031552T3 (fr)
IL (1) IL111873A (fr)
NO (1) NO944807L (fr)
NZ (1) NZ270119A (fr)
ZA (1) ZA949862B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727671C2 (de) * 1997-06-30 2000-04-13 Woehlk Contact Linsen Gmbh Vorrichtung zur Herstellung von Formkörpern aus einer polymerisierbaren Mischung
JP4544710B2 (ja) 1999-08-27 2010-09-15 株式会社メニコン 眼用レンズ物品の成形型及び眼用レンズ物品の製造方法
EP1732750B1 (fr) * 2004-03-24 2008-05-21 Novartis AG Procede de production de verres de contact
MY144506A (en) * 2005-05-04 2011-09-30 Novartis Ag Automated inspection of colored contact lenses
US7320587B2 (en) * 2005-08-09 2008-01-22 Cooper Vision, Inc. Contact lens molds and systems and methods for producing same
JP4335225B2 (ja) * 2006-04-19 2009-09-30 株式会社日本製鋼所 樹脂成形体の製造方法および装置
US7875217B2 (en) * 2006-09-29 2011-01-25 Johnson & Johnson Vision Care, Inc. Excess polymer ring removal during ophthalmic lens manufacture
TW200918294A (en) * 2007-10-17 2009-05-01 Unicon Optical Co Ltd Method and die for forming contact lens
WO2013191148A1 (fr) 2012-06-19 2013-12-27 株式会社メニコンネクト Lentille de contact multicouche et procédé de production de cette dernière
WO2015001584A1 (fr) * 2013-07-02 2015-01-08 株式会社メニコン Lentille de contact et procédé de fabrication de lentille de contact
US20170165050A1 (en) * 2014-02-11 2017-06-15 The Manchester Metropolitan University Artificial eyes and manufacture thereof
MY190699A (en) * 2015-12-22 2022-05-11 Alcon Inc Process for manufacturing contact lenses
CN109803815B (zh) 2016-10-14 2021-06-11 爱尔康公司 制造接触镜片的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074480B (de) * 1953-12-02 1960-01-28 Rieter Werke Dipl Ing Walter Handle K G Konstanz (Bodensee) Vorrichtung zum Ablosen ge preßter Formkörper aus plastischen keramischen Massen aus emer Metallform
FR1497746A (fr) * 1965-10-21 1967-10-13 Continental Can Co Procédé de moulage électrostatique et appareils
US4257755A (en) * 1974-06-25 1981-03-24 Lemelson Jerome H Molding system and method
GB8601967D0 (en) * 1986-01-28 1986-03-05 Coopervision Optics Manufacturing contact lenses
AU633749B2 (en) * 1990-08-02 1993-02-04 Novartis Ag Contact lens casting
US5294379A (en) * 1992-09-18 1994-03-15 Johnson & Johnson Vision Products, Inc. Laser assisted demolding of ophthalmic lenses
US5326505A (en) * 1992-12-21 1994-07-05 Johnson & Johnson Vision Products, Inc. Method for treating an ophthalmic lens mold

Also Published As

Publication number Publication date
ES2136721T3 (es) 1999-12-01
FI945797A (fi) 1995-06-14
JPH07195558A (ja) 1995-08-01
JP3110268B2 (ja) 2000-11-20
ATE182287T1 (de) 1999-08-15
ZA949862B (en) 1995-06-14
EP0657264B1 (fr) 1999-07-21
FI945797A0 (fi) 1994-12-09
AU694145B2 (en) 1998-07-16
IL111873A0 (en) 1995-03-15
DK0657264T3 (da) 2000-02-07
DE59408513D1 (de) 1999-08-26
CN1110212A (zh) 1995-10-18
NO944807L (no) 1995-06-14
EP0657264A1 (fr) 1995-06-14
NZ270119A (en) 1996-06-25
GR3031552T3 (en) 2000-01-31
AU8037394A (en) 1995-06-22
NO944807D0 (no) 1994-12-12
CA2137765A1 (fr) 1995-06-14

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees