ES2179309T3 - Procedimiento y aparato para separar las partes de molde para lentes de contacto. - Google Patents

Procedimiento y aparato para separar las partes de molde para lentes de contacto.

Info

Publication number
ES2179309T3
ES2179309T3 ES97910918T ES97910918T ES2179309T3 ES 2179309 T3 ES2179309 T3 ES 2179309T3 ES 97910918 T ES97910918 T ES 97910918T ES 97910918 T ES97910918 T ES 97910918T ES 2179309 T3 ES2179309 T3 ES 2179309T3
Authority
ES
Spain
Prior art keywords
procedure
separating
contact lenses
molding parts
mold
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.)
Expired - Lifetime
Application number
ES97910918T
Other languages
English (en)
Inventor
Michael A Lesczynski
Mingway B Wu
Christopher Bentley
Kevin D Beebe
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.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb Inc
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 Bausch and Lomb Inc filed Critical Bausch and Lomb Inc
Application granted granted Critical
Publication of ES2179309T3 publication Critical patent/ES2179309T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C33/44—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
    • 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
    • B29C33/48—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 with means for collapsing or disassembling
    • 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
    • B29C33/48—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 with means for collapsing or disassembling
    • B29C33/50—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 with means for collapsing or disassembling elastic or flexible
    • 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
    • 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
    • B29D11/00125—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
    • B29D11/00221—Demoulding, e.g. separating lenses from mould halves using prying means
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
    • B29C2043/3652—Elastic moulds or mould parts, e.g. cores or inserts
    • 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
    • B29C37/0007—Discharging moulded articles from the mould using means operable from outside the mould for moving between mould parts, e.g. robots
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

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)

Abstract

ESTA INVENCION SE REFIERE A UN PROCEDIMIENTO PARA SEPARAR UNA PARTE DEL MOLDE DE LA OTRA, ASI COMO A UNA LENTE DE CONTACTO MOLDEADA EN AMBAS PARTES DEL MOLDE. DICHO PROCEDIMIENTO OFRECE UNA MEJOR GARANTIA PARA QUE LA LENTE NO SE DAÑE DURANTE ESTA OPERACION Y PARA QUE SE MANTENGA SELECTIVAMENTE EN LA PARTE DESEADA. ESTA INVENCION SE REFIERE TAMBIEN A VARIAS FORMAS DE REALIZACION DEL APARATO QUE SIRVEN PARA LA EJECUCION DE DICHO PROCEDIMIENTO.
ES97910918T 1996-11-06 1997-10-14 Procedimiento y aparato para separar las partes de molde para lentes de contacto. Expired - Lifetime ES2179309T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3056596P 1996-11-06 1996-11-06

Publications (1)

Publication Number Publication Date
ES2179309T3 true ES2179309T3 (es) 2003-01-16

Family

ID=21854815

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97910918T Expired - Lifetime ES2179309T3 (es) 1996-11-06 1997-10-14 Procedimiento y aparato para separar las partes de molde para lentes de contacto.

Country Status (13)

Country Link
US (2) US6033603A (es)
EP (1) EP0936969B1 (es)
JP (1) JP2002515837A (es)
KR (1) KR20000053099A (es)
AU (1) AU720247B2 (es)
BR (1) BR9712750A (es)
CA (1) CA2268871C (es)
DE (1) DE69713793T2 (es)
ES (1) ES2179309T3 (es)
HK (1) HK1024445A1 (es)
ID (1) ID18718A (es)
TW (1) TW412476B (es)
WO (1) WO1998019854A1 (es)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2179309T3 (es) * 1996-11-06 2003-01-16 Bausch & Lomb Procedimiento y aparato para separar las partes de molde para lentes de contacto.
US6907679B2 (en) * 1998-11-12 2005-06-21 Qlt Usa, Inc. Method for lyophilizing an active agent
JP2003516247A (ja) * 1999-12-09 2003-05-13 ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッド コンタクト・レンズの製造において使用する成形型
US6368522B1 (en) * 2000-01-03 2002-04-09 Johnson & Johnson Vision Care, Inc. Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
US6558584B1 (en) 2000-03-31 2003-05-06 Bausch & Lomb Incorporated Apparatus and method for handling an ophthalmic lens
GB2360730B (en) * 2000-03-31 2004-09-22 Bausch & Lomb Uk Ltd Apparatus and method for separating contact lens molds
US6301055B1 (en) 2000-08-16 2001-10-09 California Institute Of Technology Solid immersion lens structures and methods for producing solid immersion lens structures
US6663801B2 (en) 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
US7241125B2 (en) * 2001-05-25 2007-07-10 Johnson & Johnson Vision Care, Inc. Center touch method and apparatus for forming contact lenses
JP2003011140A (ja) * 2001-07-04 2003-01-15 Canon Inc 回折光学素子の離型方法及び離型装置
US20040061246A1 (en) * 2002-09-30 2004-04-01 John Cardiff Method and apparatus for dry releasing lenses from an anterior mold half
US20050062179A1 (en) * 2003-09-22 2005-03-24 Sanjay Rastogi Automated method for transferring lenses in a hydrated state from molds to receivers
GB2409427A (en) * 2003-12-23 2005-06-29 Bausch & Lomb Handling moulded opthalmic lenses
EP1732750B1 (en) * 2004-03-24 2008-05-21 Novartis AG Method for producing contact lenses
JP4911722B2 (ja) 2004-06-07 2012-04-04 フルイディグム コーポレイション 微小流体素子のための光学レンズシステムおよび方法
US20060071356A1 (en) * 2004-10-04 2006-04-06 Kevin Beebe Method for separating excess material from a lens mold
US20060145372A1 (en) * 2004-12-30 2006-07-06 Jones Thomas G Optical tool assembly for improved RCW and lens edge formation
US20060145370A1 (en) * 2004-12-30 2006-07-06 Lawton Bruce E Optical tool assembly
US20060145369A1 (en) * 2004-12-30 2006-07-06 Lawton Bruce E Non-optical multi-piece core assembly for rapid tool change
US7585167B2 (en) 2004-12-30 2009-09-08 Bausch + Lomb Incorporated Core locking assembly and method for orientation of asymmetric tooling
US7799249B2 (en) * 2005-08-09 2010-09-21 Coopervision International Holding Company, Lp Systems and methods for producing silicone hydrogel contact lenses
US7320587B2 (en) * 2005-08-09 2008-01-22 Cooper Vision, Inc. Contact lens molds and systems and methods for producing same
US9102110B2 (en) * 2005-08-09 2015-08-11 Coopervision International Holding Company, Lp Systems and methods for removing lenses from lens molds
US7731873B2 (en) 2005-08-09 2010-06-08 Coopervision International Holding Company, Lp Contact lens mold assemblies and systems and methods of producing same
US20070138670A1 (en) 2005-12-20 2007-06-21 Bausch And Lomb Incorporated Method and Apparatus for the Dry Release of a Compliant Opthalmic Article from a Mold Surface
EP2066493B1 (en) * 2006-09-21 2011-03-30 Novartis AG Method of de-molding contact lenses
WO2008074541A1 (en) 2006-12-21 2008-06-26 Bausch & Lomb Incorporated Apparatus and method for releasing a lens moulded in a cavity between posterior and anterior mould sections
US8313675B2 (en) * 2009-08-31 2012-11-20 Coopervision International Holding Company, Lp Demolding of ophthalmic lenses during the manufacture thereof
JP5428005B2 (ja) * 2009-11-12 2014-02-26 株式会社メニコンネクト 眼用レンズ成形型を分離する方法及びそれに用いる装置
US9026063B2 (en) * 2011-05-17 2015-05-05 Triquint Semiconductor, Inc. Complementary metal-oxide semiconductor direct current to direct current converter
KR101357533B1 (ko) * 2013-03-05 2014-01-29 주식회사 백산사 콘택트렌즈 하부몰드 위치조정 지그
KR101394310B1 (ko) * 2013-03-05 2014-05-13 주식회사 백산사 미용콘택트렌즈 상부몰드 고정 장치
AR107541A1 (es) 2016-02-05 2018-05-09 Tolmar Therapeutics Inc Placa de recubrimiento ventilada para un conjunto de jeringas
JP6738708B2 (ja) * 2016-09-30 2020-08-12 Hoya株式会社 コンタクトレンズの製造方法、コンタクトレンズの製造装置およびコンタクトレンズの取り出し方法
EP3526017A1 (en) 2016-10-14 2019-08-21 Novartis AG Method for producing contact lenses
USD908916S1 (en) 2018-06-19 2021-01-26 Tolmar Therapeutics, Inc. Syringe restrictor plate
KR102163326B1 (ko) * 2020-01-28 2020-10-08 박근창 콘택트렌즈 성형잔여물 제거방법
TWI753723B (zh) * 2020-12-25 2022-01-21 京旭企業有限公司 反轉撓性透鏡凹向之方法及其裝置

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US4197266A (en) * 1974-05-06 1980-04-08 Bausch & Lomb Incorporated Method for forming optical lenses
US4208364A (en) * 1976-03-24 1980-06-17 Shepherd Thomas H Process for the production of contact lenses
US4155962A (en) * 1977-05-25 1979-05-22 Neefe Optical Laboratory, Inc. Method of removing molded lenses from the mold
CA1263208A (en) * 1985-12-19 1989-11-28 Kirk K.S. Hwang Method and apparatus for making optical devices
GB8601967D0 (en) * 1986-01-28 1986-03-05 Coopervision Optics Manufacturing contact lenses
US4865779A (en) * 1987-12-15 1989-09-12 Minnesota Mining And Manufacturing Company Lens molding apparatus and method
EP0561481B1 (en) * 1988-11-02 1997-01-08 Btg International Limited Contact lens cast moulding and packaging
US4909969A (en) * 1989-08-23 1990-03-20 Wood Kenneth E Method and apparatus for removing a contact lens from a plastic mold
US5264161A (en) * 1991-09-05 1993-11-23 Bausch & Lomb Incorporated Method of using surfactants as contact lens processing aids
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
EP0637490B1 (de) * 1993-07-19 1999-03-31 Novartis AG Verfahren und Vorrichtung zur Herstellung von Kontaktlinsen
US5850107A (en) * 1994-06-10 1998-12-15 Johnson & Johnson Vision Products, Inc. Mold separation method and apparatus
IL113826A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Method and apparatus for demolding ophthalmic contact lenses
US5693268A (en) * 1996-04-01 1997-12-02 Johnson & Johnson Vision Products, Inc. Wedge demolding of cast lens mold assemblies
ES2179309T3 (es) * 1996-11-06 2003-01-16 Bausch & Lomb Procedimiento y aparato para separar las partes de molde para lentes de contacto.

Also Published As

Publication number Publication date
WO1998019854A1 (en) 1998-05-14
ID18718A (id) 1998-04-30
AU720247B2 (en) 2000-05-25
DE69713793T2 (de) 2002-11-07
CA2268871C (en) 2003-12-23
TW412476B (en) 2000-11-21
US6428723B1 (en) 2002-08-06
US6033603A (en) 2000-03-07
CA2268871A1 (en) 1998-05-14
JP2002515837A (ja) 2002-05-28
EP0936969A1 (en) 1999-08-25
DE69713793D1 (de) 2002-08-08
AU4817997A (en) 1998-05-29
HK1024445A1 (en) 2000-10-13
EP0936969B1 (en) 2002-07-03
KR20000053099A (ko) 2000-08-25
BR9712750A (pt) 1999-10-19

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