ATE217255T1 - Verfahren zum vermindern von linsen-fehlern bei der herstellung von kontaktlinsen-halbzeugen - Google Patents

Verfahren zum vermindern von linsen-fehlern bei der herstellung von kontaktlinsen-halbzeugen

Info

Publication number
ATE217255T1
ATE217255T1 AT96307058T AT96307058T ATE217255T1 AT E217255 T1 ATE217255 T1 AT E217255T1 AT 96307058 T AT96307058 T AT 96307058T AT 96307058 T AT96307058 T AT 96307058T AT E217255 T1 ATE217255 T1 AT E217255T1
Authority
AT
Austria
Prior art keywords
production
finished products
contact lens
defects
semi
Prior art date
Application number
AT96307058T
Other languages
English (en)
Inventor
James Jen
Michael Widman
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
Application granted granted Critical
Publication of ATE217255T1 publication Critical patent/ATE217255T1/de

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
    • 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
    • B29C33/60—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
    • B29D11/00192—Demoulding, e.g. separating lenses from mould halves

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Solid State Image Pick-Up Elements (AREA)
AT96307058T 1995-09-29 1996-09-27 Verfahren zum vermindern von linsen-fehlern bei der herstellung von kontaktlinsen-halbzeugen ATE217255T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/536,944 US5849222A (en) 1995-09-29 1995-09-29 Method for reducing lens hole defects in production of contact lens blanks

Publications (1)

Publication Number Publication Date
ATE217255T1 true ATE217255T1 (de) 2002-05-15

Family

ID=24140562

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96307058T ATE217255T1 (de) 1995-09-29 1996-09-27 Verfahren zum vermindern von linsen-fehlern bei der herstellung von kontaktlinsen-halbzeugen

Country Status (9)

Country Link
US (1) US5849222A (de)
EP (1) EP0765733B1 (de)
JP (1) JP4121577B2 (de)
AT (1) ATE217255T1 (de)
AU (1) AU722583B2 (de)
CA (1) CA2186566C (de)
DE (1) DE69621090T2 (de)
SG (1) SG102521A1 (de)
TW (1) TW527276B (de)

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CN101166623B (zh) * 2005-04-29 2010-12-29 诺瓦提斯公司 具有涂层的透镜模具
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US7799249B2 (en) * 2005-08-09 2010-09-21 Coopervision International Holding Company, Lp Systems and methods for producing silicone hydrogel contact lenses
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US20070037897A1 (en) * 2005-08-12 2007-02-15 Guigui Wang Method for making contact lenses
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Also Published As

Publication number Publication date
EP0765733A2 (de) 1997-04-02
JP4121577B2 (ja) 2008-07-23
DE69621090T2 (de) 2002-10-10
US5849222A (en) 1998-12-15
SG102521A1 (en) 2004-03-26
AU722583B2 (en) 2000-08-10
CA2186566C (en) 2007-01-02
EP0765733A3 (de) 1997-10-08
MX9604513A (es) 1997-07-31
JPH09183131A (ja) 1997-07-15
DE69621090D1 (de) 2002-06-13
CA2186566A1 (en) 1997-03-30
TW527276B (en) 2003-04-11
AU6556696A (en) 1997-04-10
EP0765733B1 (de) 2002-05-08

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