ATE187679T1 - Verfahren und vorrichtung zur behandlung einer giessform für opthalmischen linsen - Google Patents

Verfahren und vorrichtung zur behandlung einer giessform für opthalmischen linsen

Info

Publication number
ATE187679T1
ATE187679T1 AT95302355T AT95302355T ATE187679T1 AT E187679 T1 ATE187679 T1 AT E187679T1 AT 95302355 T AT95302355 T AT 95302355T AT 95302355 T AT95302355 T AT 95302355T AT E187679 T1 ATE187679 T1 AT E187679T1
Authority
AT
Austria
Prior art keywords
lens
piece
mold
treated
flange
Prior art date
Application number
AT95302355T
Other languages
English (en)
Inventor
Jonathan P Adams
Edmund C Rastrelli
John C Heaton
Kenneth J Weber
Thomas J Wagner
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 ATE187679T1 publication Critical patent/ATE187679T1/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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
    • 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
    • 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
    • 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
    • B29C59/12—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment in an environment other than air
    • 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
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/005—Using a particular environment, e.g. sterile fluids other than air
    • 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
    • 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
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
    • 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
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • 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
    • 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
    • Y10S425/806—Flash removal
    • 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)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Toxicology (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Prostheses (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
AT95302355T 1994-04-08 1995-04-10 Verfahren und vorrichtung zur behandlung einer giessform für opthalmischen linsen ATE187679T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/225,293 US5573715A (en) 1992-12-21 1994-04-08 Method for treating an ophthalmic lens mold

Publications (1)

Publication Number Publication Date
ATE187679T1 true ATE187679T1 (de) 2000-01-15

Family

ID=22844326

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95302355T ATE187679T1 (de) 1994-04-08 1995-04-10 Verfahren und vorrichtung zur behandlung einer giessform für opthalmischen linsen

Country Status (11)

Country Link
US (2) US5573715A (de)
EP (1) EP0677373B1 (de)
JP (1) JP3942659B2 (de)
AT (1) ATE187679T1 (de)
AU (1) AU709518B2 (de)
BR (1) BR9501512A (de)
CA (1) CA2146486C (de)
CZ (1) CZ89295A3 (de)
DE (1) DE69513872T2 (de)
IL (1) IL113272A0 (de)
ZA (1) ZA952908B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1005663C2 (nl) * 1997-01-31 1998-08-03 Ict Axxicon Bv Inrichting voor het door spuitgieten vervaardigen van informatie-dragers.
FR2782077B1 (fr) * 1998-08-04 2001-11-30 Cerdec France Sa Procede de reduction de collage a chaud dans des processus de moulage, et dispositif pour la mise en oeuvre de ce procede
AR021819A1 (es) * 1998-09-30 2002-08-07 Novartis Ag Aparato y metodo para limpiar componentes oftalmicos
WO2000076738A1 (en) 1999-06-11 2000-12-21 Bausch & Lomb Incorporated Lens molds with protective coatings for production of contact lenses and other ophthalmic products
JP2002355830A (ja) * 2001-03-26 2002-12-10 Novartis Ag 眼科用レンズの製造のための型及び方法
US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
US6708397B2 (en) * 2001-08-09 2004-03-23 Johnson & Johnson Vision Care, Inc. Inlay station with alignment assemblies and transfer tubes
US6562414B2 (en) 2001-10-10 2003-05-13 Sport Court, Inc. Method of coating polyolefin floor tile
US20040058089A1 (en) * 2001-10-10 2004-03-25 Sport Court, Inc. Floor tile coating method and system
DE10202766B4 (de) * 2002-01-25 2006-02-02 Schott Ag Verfahren zur Steuerung der Eindringtiefe einer strukturierten Oberfläche eines elektrisch leitenden Formwerkzeuges und Vorrichtung zur Durchführung des Verfahrens
US7059335B2 (en) 2002-01-31 2006-06-13 Novartis Ag Process for treating moulds or mould halves for the production of ophthalmic lenses
EP1332856B1 (de) * 2002-01-31 2008-02-27 Novartis AG Verfahren zur Behandlung eines Formwerkzeuges oder einer Formhälfte für die Herstellung von ophthalmischen Linsen
US20040075039A1 (en) 2002-08-16 2004-04-22 Dubey Dharmesh K. Molds for producing contact lenses
US7748177B2 (en) 2004-02-25 2010-07-06 Connor Sport Court International, Inc. Modular tile with controlled deflection
US7849642B2 (en) 2004-03-12 2010-12-14 Connor Sport Court International, Inc. Tile with wide coupling configuration and method for the same
US8407951B2 (en) 2004-10-06 2013-04-02 Connor Sport Court International, Llc Modular synthetic floor tile configured for enhanced performance
US8397466B2 (en) 2004-10-06 2013-03-19 Connor Sport Court International, Llc Tile with multiple-level surface
USD656250S1 (en) 2005-03-11 2012-03-20 Connor Sport Court International, Llc Tile with wide mouth coupling
US20070138699A1 (en) * 2005-12-21 2007-06-21 Asml Netherlands B.V. Imprint lithography
HUE029850T2 (en) * 2008-01-25 2017-04-28 Novartis Ag Apparatus for plasma treatment of contact lens forms made of glass
US8691331B2 (en) * 2009-02-09 2014-04-08 Prashant D. Santan Surface modification of hydrophobic and/or oleophobic coatings
US20150151500A1 (en) * 2013-12-03 2015-06-04 Johnson & Johnson Vision Care, Inc. Method for treating a contact lens mold

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423488A (en) * 1966-05-11 1969-01-21 Ppg Industries Inc Process for casting resinous lenses in thermoplastic cast replica molds
US4017238A (en) * 1975-04-21 1977-04-12 American Optical Corporation Mold for casting contact lenses utilizing and electron beam to polymerize the resin lens
US4468184A (en) * 1983-05-02 1984-08-28 International Hydron Corporation Gas feed means for use in centrifugal casting devices
CS245569B1 (en) * 1984-04-06 1986-10-16 Oto Wichterle Method of polymere gels casting from monomers' volatile mixtures in open moulds and equipment for application of this method
US4815690A (en) * 1988-02-09 1989-03-28 Shepherd Thomas H Apparatus for the production of monolithic intraocular implants
IL97175A (en) * 1990-03-16 1996-01-31 Ciba Geigy Pattern for casting contact lenses
US5158718A (en) * 1990-08-02 1992-10-27 Pilkington Visioncare, Inc. Contact lens casting
AU633749B2 (en) * 1990-08-02 1993-02-04 Novartis Ag Contact lens casting
US5236636A (en) * 1991-10-07 1993-08-17 Ford Motor Company In-mold plasma treatment
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
DE69513872D1 (de) 2000-01-20
US5679385A (en) 1997-10-21
AU709518B2 (en) 1999-09-02
CA2146486A1 (en) 1995-10-09
EP0677373B1 (de) 1999-12-15
CZ89295A3 (en) 1996-09-11
JP3942659B2 (ja) 2007-07-11
CA2146486C (en) 2006-01-24
AU1636895A (en) 1995-10-19
EP0677373A1 (de) 1995-10-18
DE69513872T2 (de) 2000-05-18
JPH08146359A (ja) 1996-06-07
ZA952908B (en) 1996-10-07
BR9501512A (pt) 1997-08-05
US5573715A (en) 1996-11-12
IL113272A0 (en) 1995-07-31

Similar Documents

Publication Publication Date Title
ATE187679T1 (de) Verfahren und vorrichtung zur behandlung einer giessform für opthalmischen linsen
ATE154782T1 (de) Verfahren und vorrichtung zur behandlung einer giessform für eine ophthalmische linse
DE59408026D1 (de) Verfahren und Vorrichtung zur Herstellung von Kontaktlinsen
DE59404515D1 (de) Verfahren und Vorrichtung zur Herstellung von Formkörpern
ATE187386T1 (de) Verfahren und vorrichtung zur entformung der opthalmischen kontakt-linsen
ATE196442T1 (de) Verfahren und vorrichtung zur herstellung eines oberflächenstrukturierten, folienartigen halbzeugs aus einem thermoplasten
DE59507663D1 (de) Verfahren und Vorrichtung zur Herstellung optischen Linsen
DE50200222D1 (de) Verfahren zur Herstellung einer Prägewalze aus Silikonkautschuk zum kontinuierlichen Prägen der Oberfläche einer thermoplastischen Folie
ATE501823T1 (de) Verfahren und vorrichtung zur herstellung von kunststoff-formfolien
ATE62177T1 (de) Verfahren und vorrichtung zum herstellen kaschierter formteile.
ATE19489T1 (de) Verfahren und vorrichtung zum runderneuern von reifen.
JPS57125005A (en) Method and apparatus for forming stool with bent drain pipe