DE69523508D1 - Spritzgiessformteile und Spritzgiessenanlage zur Herstellung von Kontakt-Linsen - Google Patents

Spritzgiessformteile und Spritzgiessenanlage zur Herstellung von Kontakt-Linsen

Info

Publication number
DE69523508D1
DE69523508D1 DE69523508T DE69523508T DE69523508D1 DE 69523508 D1 DE69523508 D1 DE 69523508D1 DE 69523508 T DE69523508 T DE 69523508T DE 69523508 T DE69523508 T DE 69523508T DE 69523508 D1 DE69523508 D1 DE 69523508D1
Authority
DE
Germany
Prior art keywords
production
contact lenses
molding system
mold parts
injection
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
DE69523508T
Other languages
English (en)
Other versions
DE69523508T2 (de
Inventor
Victor Lust
Michael F Widman
Kornelis Renkema
Ture Kindt-Larsen
Der Meulen Wybren Van
Daniel Tsu-Fang Wang
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.)
Johnson and Johnson Vision Care Inc
Original Assignee
Johnson and Johnson Vision Products 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 Johnson and Johnson Vision Products Inc filed Critical Johnson and Johnson Vision Products Inc
Publication of DE69523508D1 publication Critical patent/DE69523508D1/de
Application granted granted Critical
Publication of DE69523508T2 publication Critical patent/DE69523508T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00038Production of contact lenses
    • B29D11/00125Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00192Demoulding, e.g. separating lenses from mould halves
    • B29D11/00221Demoulding, e.g. separating lenses from mould halves using prying means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/0011Moulds or cores; Details thereof or accessories therefor thin-walled moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0046Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/0048Moulds for lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00Shaping characteristics in general
    • B29C2791/004Shaping under special conditions
    • B29C2791/005Using a particular environment, e.g. sterile fluids other than air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/10Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/38Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40Plastics, e.g. foam or rubber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2825/00Use of polymers of vinyl-aromatic compounds or derivatives thereof as mould material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • B29L2011/0041Contact lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/757Moulds, cores, dies
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808Lens mold

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DE69523508T 1994-06-10 1995-06-09 Spritzgiessformteile und Spritzgiessenanlage zur Herstellung von Kontakt-Linsen Expired - Lifetime DE69523508T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/257,785 US5540410A (en) 1994-06-10 1994-06-10 Mold halves and molding assembly for making contact lenses

Publications (2)

Publication Number Publication Date
DE69523508D1 true DE69523508D1 (de) 2001-12-06
DE69523508T2 DE69523508T2 (de) 2002-05-08

Family

ID=22977738

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523508T Expired - Lifetime DE69523508T2 (de) 1994-06-10 1995-06-09 Spritzgiessformteile und Spritzgiessenanlage zur Herstellung von Kontakt-Linsen

Country Status (11)

Country Link
US (1) US5540410A (de)
EP (1) EP0686486B1 (de)
JP (1) JP4004558B2 (de)
AT (1) ATE207809T1 (de)
AU (1) AU708550B2 (de)
BR (1) BR9502742A (de)
CA (1) CA2151326C (de)
CZ (1) CZ147695A3 (de)
DE (1) DE69523508T2 (de)
IL (1) IL113942A0 (de)
ZA (1) ZA954808B (de)

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US6592356B1 (en) 1999-05-05 2003-07-15 Johnson & Johnson Vision Care, Inc. Mold, molding system and molding machine for making ophthalmic devices
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US6638451B1 (en) 1999-08-31 2003-10-28 Novartis Ag Plastic casting molds
US6444145B1 (en) * 1999-09-03 2002-09-03 Johnson & Johnson Vision Products, Inc. Molds for use in contact lens production
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
US7628485B2 (en) 2000-03-31 2009-12-08 Coopervision International Holding Company, Lp Contact lens having a uniform horizontal thickness profile
US6467903B1 (en) * 2000-03-31 2002-10-22 Ocular Sciences, Inc. Contact lens having a uniform horizontal thickness profile
US6830712B1 (en) * 2000-08-28 2004-12-14 Johnson & Johnson Vision Care, Inc. Deformable molds and methods for their use in the manufacture of ophthalmic lenses
ATE526135T1 (de) 2001-03-26 2011-10-15 Novartis Ag Giessform und verfahren zur herstellung von opthalmischen linsen
US6708397B2 (en) 2001-08-09 2004-03-23 Johnson & Johnson Vision Care, Inc. Inlay station with alignment assemblies and transfer tubes
US6997693B2 (en) 2001-10-19 2006-02-14 Novartis Ag Casting mold half and casting mold for producing contact lenses
US20040075182A1 (en) * 2002-04-10 2004-04-22 Stephane Gobron Stackable contact lens molds
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US7731873B2 (en) * 2005-08-09 2010-06-08 Coopervision International Holding Company, Lp Contact lens mold assemblies and systems and methods of producing same
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
US7799249B2 (en) 2005-08-09 2010-09-21 Coopervision International Holding Company, Lp Systems and methods for producing silicone hydrogel contact lenses
US8287269B2 (en) * 2005-12-12 2012-10-16 Johnson & Johnson Vision Care, Inc. Molds for use in contact lens production
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US8535043B2 (en) * 2006-10-30 2013-09-17 Johnson & Johnson Vision Care, Inc. Molds for use in contact lens production
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US8690319B2 (en) * 2007-05-21 2014-04-08 Johnson & Johnson Vision Care, Inc. Ophthalmic lenses for prevention of myopia progression
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US7753521B2 (en) 2008-03-31 2010-07-13 Johnson & Johnson Vision Care, Inc. Lenses for the correction of presbyopia and methods of designing the lenses
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HUE039327T2 (hu) * 2008-12-18 2018-12-28 Novartis Ag Szerszám és eljárás szemészeti lencsék gyártására
US8960901B2 (en) 2009-02-02 2015-02-24 Johnson & Johnson Vision Care, Inc. Myopia control ophthalmic lenses
US8789947B2 (en) 2009-06-25 2014-07-29 Johnson & Johnson Vision Care, Inc. Myopia control ophthalmic lenses
US8313675B2 (en) * 2009-08-31 2012-11-20 Coopervision International Holding Company, Lp Demolding of ophthalmic lenses during the manufacture thereof
CN107031080A (zh) * 2009-10-16 2017-08-11 诺华股份有限公司 用于制造眼用镜片的方法
US8439499B2 (en) 2009-12-17 2013-05-14 Johnson & Johnson Vision Care, Inc. Method for producing stabilized contact lenses
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Also Published As

Publication number Publication date
EP0686486A2 (de) 1995-12-13
CA2151326C (en) 2006-08-22
ZA954808B (en) 1996-12-09
AU2056395A (en) 1995-12-21
BR9502742A (pt) 1996-03-12
CA2151326A1 (en) 1995-12-11
EP0686486B1 (de) 2001-10-31
CZ147695A3 (en) 1996-09-11
ATE207809T1 (de) 2001-11-15
JPH0890666A (ja) 1996-04-09
US5540410A (en) 1996-07-30
JP4004558B2 (ja) 2007-11-07
EP0686486A3 (de) 1997-04-23
AU708550B2 (en) 1999-08-05
IL113942A0 (en) 1995-08-31
DE69523508T2 (de) 2002-05-08

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN