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AU4454897A - Method for treating molded articles - Google Patents

Method for treating molded articles

Info

Publication number
AU4454897A
AU4454897A AU44548/97A AU4454897A AU4454897A AU 4454897 A AU4454897 A AU 4454897A AU 44548/97 A AU44548/97 A AU 44548/97A AU 4454897 A AU4454897 A AU 4454897A AU 4454897 A AU4454897 A AU 4454897A
Authority
AU
Australia
Prior art keywords
molded articles
treating molded
treating
articles
molded
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU44548/97A
Inventor
David Brian Attaway
Charles Woolfolk Smith Jr.
Wilson Leonard Terry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG, Novartis AG filed Critical Ciba Geigy AG
Publication of AU4454897A publication Critical patent/AU4454897A/en
Abandoned legal-status Critical Current

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
    • B29D11/00192—Demoulding, e.g. separating lenses from mould halves
    • 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
    • B29D11/00201—Demoulding, e.g. separating lenses from mould halves using cooling means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Eyeglasses (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
AU44548/97A 1996-08-21 1997-08-20 Method for treating molded articles Abandoned AU4454897A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US70097996A 1996-08-21 1996-08-21
US08700979 1996-08-21
PCT/EP1997/004526 WO1998007554A1 (en) 1996-08-21 1997-08-20 Method for treating molded articles

Publications (1)

Publication Number Publication Date
AU4454897A true AU4454897A (en) 1998-03-06

Family

ID=24815597

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44548/97A Abandoned AU4454897A (en) 1996-08-21 1997-08-20 Method for treating molded articles

Country Status (6)

Country Link
EP (1) EP0923441A1 (en)
JP (1) JP2001502364A (en)
AU (1) AU4454897A (en)
ID (1) ID18055A (en)
WO (1) WO1998007554A1 (en)
ZA (1) ZA977463B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5972249A (en) * 1998-10-26 1999-10-26 Bausch & Lomb Incorporated Method and apparatus for curing contact lenses
AU7478800A (en) 1999-09-24 2001-04-30 Bausch & Lomb Incorporated Process for purifying and reusing solvent used to remove extractables
ATE300418T1 (en) * 1999-10-27 2005-08-15 Novartis Pharma Gmbh DEMOULD OF CONTACT LENSES
US6514438B1 (en) 1999-12-21 2003-02-04 Bausch & Lomb Incorporated Pulse extraction of ocular medical devices
EP1294555B1 (en) * 2000-05-26 2006-02-01 Essilor International (Compagnie Generale D'optique) Process for the automated manufacture of spectacle lenses
US6939487B1 (en) 2000-10-13 2005-09-06 Novartis A.G. Deblocking contact lenses
WO2003066714A1 (en) * 2002-02-07 2003-08-14 Lions Eye Institute Limited Method for improving the surface quality of hydrogel articles
US20030181749A1 (en) 2002-03-21 2003-09-25 Kunzler Jay F. Supercritical fluid extraction of vitreoretinal silicone tamponades
JP2008517796A (en) * 2004-10-25 2008-05-29 ナノン アクティーゼルスカブ Method for producing silicone rubber product and product obtained by the method
US20060186564A1 (en) * 2005-02-22 2006-08-24 Adams Jonathan P Hydrogel processing
TWI626253B (en) * 2017-05-25 2018-06-11 晶碩光學股份有限公司 Water-soluble silicone macromer, silicone hydrogel composition, silicone hydrogel contact lenses and method for manufacturing the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4882107A (en) * 1988-11-23 1989-11-21 Union Carbide Chemicals And Plastics Company Inc. Mold release coating process and apparatus using a supercritical fluid
DE69511067T2 (en) * 1994-01-31 1999-12-09 Bausch & Lomb Inc., Rochester METHOD FOR TREATING CONTACT LENSES WITH SUPERCRITICAL FLUIDUM
JPH07266443A (en) * 1994-03-30 1995-10-17 Hoya Corp Manufacture of soft contact lens

Also Published As

Publication number Publication date
EP0923441A1 (en) 1999-06-23
JP2001502364A (en) 2001-02-20
ZA977463B (en) 1998-03-23
WO1998007554A1 (en) 1998-02-26
ID18055A (en) 1998-02-26

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