ATE240205T1 - Verfahren zur entformung eines durchsichtigen gegenstandes und dessen anwendung zur herstellung eines gegenstandes aus durchsichtigem kunststoff wie z.b. einer kontaktlinse - Google Patents

Verfahren zur entformung eines durchsichtigen gegenstandes und dessen anwendung zur herstellung eines gegenstandes aus durchsichtigem kunststoff wie z.b. einer kontaktlinse

Info

Publication number
ATE240205T1
ATE240205T1 AT00909420T AT00909420T ATE240205T1 AT E240205 T1 ATE240205 T1 AT E240205T1 AT 00909420 T AT00909420 T AT 00909420T AT 00909420 T AT00909420 T AT 00909420T AT E240205 T1 ATE240205 T1 AT E240205T1
Authority
AT
Austria
Prior art keywords
mold
transparent
article
deforming
producing
Prior art date
Application number
AT00909420T
Other languages
English (en)
Inventor
Marignan Gil De
Gaston Derozier
Original Assignee
Essilor Int
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 Essilor Int filed Critical Essilor Int
Application granted granted Critical
Publication of ATE240205T1 publication Critical patent/ATE240205T1/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
    • 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
    • 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
    • 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
    • B29C39/36—Removing moulded articles
    • 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
    • B29D11/00211—Demoulding, e.g. separating lenses from mould halves using heating means
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
AT00909420T 1999-03-17 2000-03-03 Verfahren zur entformung eines durchsichtigen gegenstandes und dessen anwendung zur herstellung eines gegenstandes aus durchsichtigem kunststoff wie z.b. einer kontaktlinse ATE240205T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9903291A FR2790993B1 (fr) 1999-03-17 1999-03-17 Procede de demoulage d'un article en materiau polymere transparent et son utilisation pour la fabrication d'un article en materiau polymere transparent tel qu'une lentille ophtalmique
PCT/FR2000/000538 WO2000054961A1 (fr) 1999-03-17 2000-03-03 Procede de demoulage d'un article en materiau polymere transparent et son utilisation pour la fabrication d'un article en materiau polymere transparent tel qu'une lentille ophtalmique

Publications (1)

Publication Number Publication Date
ATE240205T1 true ATE240205T1 (de) 2003-05-15

Family

ID=9543301

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00909420T ATE240205T1 (de) 1999-03-17 2000-03-03 Verfahren zur entformung eines durchsichtigen gegenstandes und dessen anwendung zur herstellung eines gegenstandes aus durchsichtigem kunststoff wie z.b. einer kontaktlinse

Country Status (8)

Country Link
US (1) US6171529B1 (de)
EP (1) EP1163106B1 (de)
JP (1) JP4434496B2 (de)
AT (1) ATE240205T1 (de)
AU (1) AU3171300A (de)
DE (1) DE60002686T2 (de)
FR (1) FR2790993B1 (de)
WO (1) WO2000054961A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
WO2002087842A1 (en) * 2001-05-02 2002-11-07 Concepcionlicence Ag Method and device for demolding molded lenses
AU2003225227A1 (en) * 2002-05-01 2003-11-17 Innovation Chemical Technologies, Ltd. Invisible logos using hydrophobic and hydrophilic coatings on substrates
DE502004001489D1 (de) * 2004-05-18 2006-10-26 Interglass Technology Ag Verfahren und Vorrichtung zum Trennen einer gegossenen Linse von einer Formschale
US7695666B2 (en) * 2004-05-18 2010-04-13 Interglass Technology Ag Method and device for separating a cast lens from a shell mold
US20060071356A1 (en) * 2004-10-04 2006-04-06 Kevin Beebe Method for separating excess material from a lens mold
US20060097415A1 (en) * 2004-11-05 2006-05-11 Watterson Robert J Jr Methods of demolding ophthalmic lenses
DE102012017008B3 (de) * 2012-08-28 2013-11-21 Rodenstock Gmbh Verfahren zum Ablösen einer Gießform von einer Kunststofflinse
CN105437437A (zh) * 2014-06-12 2016-03-30 关卡系统股份有限公司 铸造有集成线缆的片材
CN104802347B (zh) * 2015-05-11 2017-01-25 江苏万新光学有限公司 一种镜片去胶装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171869A (en) * 1959-12-07 1965-03-02 Bausch & Lomb Process for manufacturing curved optical articles
US4909969A (en) * 1989-08-23 1990-03-20 Wood Kenneth E Method and apparatus for removing a contact lens from a plastic mold
US5358672A (en) * 1992-06-08 1994-10-25 Innotech, Inc. Method for removing finished articles from glass, plastic or metallic molds
JP3267073B2 (ja) * 1994-11-01 2002-03-18 松下電器産業株式会社 光学素子の成形方法及び成形された光学素子
US5718849A (en) * 1995-09-25 1998-02-17 Galic Maus Ventures Method and apparatus for injection-compression molding & ejecting paired thermoplastic spectacle lens suited for fully automated dip hardcoating
US6022498A (en) * 1996-04-19 2000-02-08 Q2100, Inc. Methods for eyeglass lens curing using ultraviolet light

Also Published As

Publication number Publication date
FR2790993A1 (fr) 2000-09-22
DE60002686T2 (de) 2004-03-25
WO2000054961A1 (fr) 2000-09-21
EP1163106B1 (de) 2003-05-14
DE60002686D1 (de) 2003-06-18
EP1163106A1 (de) 2001-12-19
JP2002538995A (ja) 2002-11-19
US6171529B1 (en) 2001-01-09
JP4434496B2 (ja) 2010-03-17
AU3171300A (en) 2000-10-04
FR2790993B1 (fr) 2001-06-15

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Legal Events

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