ATE213198T1 - Spritzgiessenanlage zum verkürzen der formgebungstaktzeit - Google Patents

Spritzgiessenanlage zum verkürzen der formgebungstaktzeit

Info

Publication number
ATE213198T1
ATE213198T1 AT95303998T AT95303998T ATE213198T1 AT E213198 T1 ATE213198 T1 AT E213198T1 AT 95303998 T AT95303998 T AT 95303998T AT 95303998 T AT95303998 T AT 95303998T AT E213198 T1 ATE213198 T1 AT E213198T1
Authority
AT
Austria
Prior art keywords
insert
molding
shorten
mold cavity
cycle time
Prior art date
Application number
AT95303998T
Other languages
English (en)
Inventor
Victor Lust
W Anthony Martin
Kornelis Renkema
Der Meulen Wybren Van
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22977775&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE213198(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Johnson & Johnson Vision Prod filed Critical Johnson & Johnson Vision Prod
Application granted granted Critical
Publication of ATE213198T1 publication Critical patent/ATE213198T1/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
    • B29D11/0048—Moulds for lenses
    • 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
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/306—Exchangeable mould parts, e.g. cassette moulds, mould 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • 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
    • 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
    • B29D11/0023—Transferring contact lenses
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7343—Heating or cooling of the mould heating or cooling different mould parts at different temperatures
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7362—Heating or cooling of the mould turbulent flow of heating or cooling fluid
    • 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
    • Y10S425/808—Lens mold
    • 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
    • Y10S425/812—Venting

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)
  • Moulding By Coating Moulds (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AT95303998T 1994-06-10 1995-06-09 Spritzgiessenanlage zum verkürzen der formgebungstaktzeit ATE213198T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/257,794 US5545366A (en) 1994-06-10 1994-06-10 Molding arrangement to achieve short mold cycle time and method of molding

Publications (1)

Publication Number Publication Date
ATE213198T1 true ATE213198T1 (de) 2002-02-15

Family

ID=22977775

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95303998T ATE213198T1 (de) 1994-06-10 1995-06-09 Spritzgiessenanlage zum verkürzen der formgebungstaktzeit

Country Status (11)

Country Link
US (1) US5545366A (de)
EP (2) EP1084818B1 (de)
JP (1) JP3894966B2 (de)
AT (1) ATE213198T1 (de)
AU (1) AU2056095A (de)
BR (1) BR9502732A (de)
CA (1) CA2151327C (de)
CZ (1) CZ147195A3 (de)
DE (2) DE69534639T2 (de)
IL (1) IL113692A0 (de)
ZA (1) ZA954800B (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5702735A (en) * 1994-06-10 1997-12-30 Johnson & Johnson Vision Products, Inc. Molding arrangement to achieve short mold cycle time
US5861114A (en) * 1994-06-10 1999-01-19 Johnson&Johnson Vision Products, Inc. Method of manufacturing complex optical designs in soft contact lenses
AU712870B2 (en) * 1995-09-29 1999-11-18 Johnson & Johnson Vision Products, Inc. Automated apparatus and method for consolidating products for packaging
US5938988A (en) * 1996-08-19 1999-08-17 Johnson & Johnson Vision Products, Inc. Multiple optical curve molds formed in a solid piece of polymer
US5776514A (en) * 1996-09-20 1998-07-07 Johnson & Johnson Vision Products, Inc. On-demand fast cycle mold
US5849238A (en) * 1997-06-26 1998-12-15 Ut Automotive Dearborn, Inc. Helical conformal channels for solid freeform fabrication and tooling applications
JP3890128B2 (ja) * 1997-10-28 2007-03-07 沖電気工業株式会社 反射型プリズム
US6042361A (en) * 1998-03-12 2000-03-28 Larry J. Winget Mold for use in plastic injection molding system and venting pin assembly for use therein
US6164953A (en) * 1998-03-12 2000-12-26 Patent Holding Company Method and mold to make plastic articles having reduced surface defects and assembly for use therein
DK1068311T3 (da) 1998-04-08 2011-08-08 Commw Scient Ind Res Org Fremgangsmåder og midler til opnåelse af modificerede fænotyper
JPH11320571A (ja) 1998-05-15 1999-11-24 Menicon Co Ltd 眼用レンズの成形型及びその製造方法並びにそれを用いた眼用レンズの製造法
US6038889A (en) * 1999-04-14 2000-03-21 Libbey Glass Inc. Cooling system for a glassware machine
US6592356B1 (en) * 1999-05-05 2003-07-15 Johnson & Johnson Vision Care, Inc. Mold, molding system and molding machine for making ophthalmic devices
US6638451B1 (en) * 1999-08-31 2003-10-28 Novartis Ag Plastic casting molds
WO2001015883A1 (en) * 1999-09-01 2001-03-08 Tomey Corporation Method and device for producing contact lens elements and injection mold used therefor
US6994812B1 (en) 1999-10-12 2006-02-07 Intier Automotive Inc. Mold tool and method for forming a trim covered foam substrate of a seat assembly
US6248271B1 (en) 1999-12-16 2001-06-19 Owens Corning Fiberglas Technology, Inc. Method of making an insert for use in a mold for molding roof covering products
JP2001179748A (ja) * 1999-12-28 2001-07-03 Teeantee:Kk 樹脂モールド用金型
EP1245372B1 (de) 2001-03-26 2011-09-28 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
US6939486B2 (en) * 2002-06-25 2005-09-06 Bausch & Lomb Incorporated Apparatus and method for making intraocular lenses
US20040096535A1 (en) * 2002-11-15 2004-05-20 Hudecek Robert W. Compression molding apparatus having replaceable mold inserts
US7392970B2 (en) * 2004-05-25 2008-07-01 Douglas J Bachan Cooling injection mold
US20060017184A1 (en) * 2004-07-22 2006-01-26 Dermot Keena Predictive method of assigning power to an ophthalmic lens or lens lot
US20060055071A1 (en) * 2004-08-18 2006-03-16 Stephen Kendig Using higher order mathematical functions to create asymmetric molding back pieces
US20060145369A1 (en) * 2004-12-30 2006-07-06 Lawton Bruce E Non-optical multi-piece core assembly for rapid tool change
JP4773789B2 (ja) * 2005-05-26 2011-09-14 富士フイルム株式会社 成形用金型及びその製造方法
US7320587B2 (en) * 2005-08-09 2008-01-22 Cooper Vision, Inc. Contact lens molds and systems and methods for producing same
WO2007039454A1 (en) 2005-09-20 2007-04-12 Basf Plant Science Gmbh Methods for controlling gene expression using ta-siran
US7935294B2 (en) * 2006-03-29 2011-05-03 Cadillac Products Automotive Company Reduced density foam and method for molding reduced density foam
US20070264383A1 (en) * 2006-05-12 2007-11-15 Husky Injection Molding Systems Ltd. Mold-cooling device having vortex-inducing cooling-fluid chamber
US8540907B2 (en) 2006-07-24 2013-09-24 Coopervision International Holding Company, Lp Methods for producing ophthalmic lens molds and molded ophthalmic lenses
US20080246171A1 (en) * 2006-09-27 2008-10-09 Berckmiller Gregory L Chilled injection molding during ophthalmic lens manufacture
US7658193B2 (en) 2007-06-04 2010-02-09 Hayloft Enterprises, Inc. Interocclusal appliance and method
US7704417B2 (en) * 2008-03-06 2010-04-27 Bausch & Lomb Incorporated Heated mold tooling
CN101602238B (zh) * 2008-06-10 2012-08-29 鸿富锦精密工业（深圳）有限公司 模仁及其加工方法
US20110067710A1 (en) * 2009-09-23 2011-03-24 Dentek Oral Care Inc. Night time dental protector
WO2011111986A2 (ko) * 2010-03-08 2011-09-15 주식회사 나다이노베이션 전열히터와 함께 배치된 다공질 부재를 구비한 성형용 금형 및 그 성형용 금형의 급속 가열/냉각 방법 및 장치
EP2637847B1 (de) 2010-11-10 2014-07-23 Novartis AG Verfahren zur herstellung von kontaktlinsen
NL2006921C2 (nl) * 2011-06-09 2012-12-11 Innovalens B V Gietmal voor het vervaardigen van contactlenzen of intra-oculaire lenzen.
WO2013184768A1 (en) 2012-06-05 2013-12-12 University Of Georgia Research Foundation, Inc. Compositions and methods of gene silencing in plants
JP6179522B2 (ja) * 2012-09-18 2017-08-16 コニカミノルタ株式会社 成形金型、光学素子の製造方法、及び光学素子
US9938034B2 (en) 2014-12-19 2018-04-10 Coopervision International Holding Company, Lp Method and apparatus relating to manufacture of molds for forming contact lenses
GB2533408B (en) * 2014-12-19 2020-03-11 Coopervision Int Holding Co Lp Method and apparatus relating to manufacture of molds for forming contact lenses
US9764501B2 (en) 2014-12-19 2017-09-19 Coopervision International Holding Company, Lp Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses
US10137612B2 (en) 2014-12-19 2018-11-27 Coopervision International Holding Company, Lp Methods and apparatus for manufacture of ophthalmic lenses
US9937640B2 (en) 2014-12-19 2018-04-10 Coopervision International Holding Company, Lp Apparatus and method for closure of ophthalmic lens molds
US10029402B2 (en) 2014-12-19 2018-07-24 Coopervision International Holding Company, Lp Method and apparatus for manufacturing contact lenses
JP7057126B2 (ja) * 2017-12-26 2022-04-19 デクセリアルズ株式会社 原盤、転写物及び原盤の製造方法
CN108312430B (zh) * 2018-01-12 2024-10-15 福建富兰光学股份有限公司 一种带柱面光学球罩及其模具
KR101876701B1 (ko) 2018-01-25 2018-07-09 부산대학교 산학협력단 3차원 세포배양을 위한 하이드로겔 지지체 제조용 몰드 및 이를 이용한 하이드로겔 지지체의 제조방법
CN109849273B (zh) * 2019-01-22 2021-10-01 宁波久欣世宇模具有限公司 水桶注塑模具
CN110696396B (zh) * 2019-08-26 2023-05-23 苏州茂特斯自动化设备有限公司 一种隐形眼镜脱模一体化生产设备
EP4301573B1 (de) * 2021-03-01 2024-12-11 Alcon Inc. Verfahren zur überprüfung der genauen montage von formeinsätzen auf einer werkzeugplatte einer spritzgiessvorrichtung zum formen von ophthalmischen linsenformen
JP2023176158A (ja) 2022-05-31 2023-12-13 セイコーエプソン株式会社 射出成形装置、および、成形型

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828509A (en) * 1954-11-03 1958-04-01 Crown Machine And Tool Company Plastic molding machines
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses
US4054629A (en) * 1976-01-22 1977-10-18 American Can Company Transfer blow molding technique
US4129628A (en) * 1976-07-19 1978-12-12 Rca Corporation Method of making a thermoplastic lens by vacuum forming
US4565348A (en) * 1981-04-30 1986-01-21 Mia-Lens Production A/S Mold for making contact lenses, the male mold member being more flexible than the female mold member
US4495313A (en) * 1981-04-30 1985-01-22 Mia Lens Production A/S Preparation of hydrogel for soft contact lens with water displaceable boric acid ester
US4640489A (en) * 1981-04-30 1987-02-03 Mia-Lens Production A/S Mold for making contact lenses, either the male or female mold sections being relatively more flexible
JPS60217114A (ja) * 1984-04-12 1985-10-30 Matsushita Electric Ind Co Ltd 金型装置
JPS6135221A (ja) * 1984-07-26 1986-02-19 Shizuka Ogoshi プラスチツクレンズ成形用金型
US4680336A (en) * 1984-11-21 1987-07-14 Vistakon, Inc. Method of forming shaped hydrogel articles
JPS61182918A (ja) * 1985-02-12 1986-08-15 Hitachi Ltd 射出圧縮成形金型
JPS6295210A (ja) * 1985-10-23 1987-05-01 Hitachi Ltd プラスチツク成形用金型
US4983346A (en) * 1985-11-12 1991-01-08 Mt. Vernon Plastics Corporation Method for molding a one-piece molded end closure
US4691820A (en) * 1985-11-18 1987-09-08 Vistakon, Inc. Package for hydrophilic contact lens
JPH0622838B2 (ja) * 1987-07-22 1994-03-30 富士写真フイルム株式会社 射出成形用金型
JPH0270407A (ja) * 1988-09-07 1990-03-09 Hitachi Ltd 成形金型
US5039459A (en) * 1988-11-25 1991-08-13 Johnson & Johnson Vision Products, Inc. Method of forming shaped hydrogel articles including contact lenses
US4889664A (en) * 1988-11-25 1989-12-26 Vistakon, Inc. Method of forming shaped hydrogel articles including contact lenses
DE69129412T2 (de) * 1990-03-22 1998-09-03 Fanuc Ltd Spritzgiessmaschine vom typ mit automatischem formwechsel
US5080839A (en) * 1990-04-17 1992-01-14 Johnson & Johnson Vision Products, Inc. Process for hydrating soft contact lenses
US5094609A (en) * 1990-04-17 1992-03-10 Vistakon, Inc. Chamber for hydrating contact lenses
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
WO1994007684A1 (en) * 1992-09-29 1994-04-14 Bausch & Lomb Incorporated Method of making plastic molds and process for cast molding contact lenses
US5352398A (en) * 1993-05-06 1994-10-04 Eastman Kodak Company Apparatus and method for attaching a cap to a mold core
JPH06337912A (ja) * 1993-05-28 1994-12-06 Haseko Corp 建築設計ｃａｄメニュー表示方法

Also Published As

Publication number Publication date
DE69534639D1 (de) 2005-12-29
BR9502732A (pt) 1996-03-12
JP3894966B2 (ja) 2007-03-22
CA2151327C (en) 2007-04-03
EP0687551A2 (de) 1995-12-20
EP0687551A3 (de) 1997-04-23
DE69534639T2 (de) 2006-08-10
DE69525389T2 (de) 2002-08-29
JPH081673A (ja) 1996-01-09
AU2056095A (en) 1995-12-21
EP1084818A1 (de) 2001-03-21
US5545366A (en) 1996-08-13
CZ147195A3 (en) 1996-09-11
ZA954800B (en) 1996-12-09
DE69525389D1 (de) 2002-03-21
CA2151327A1 (en) 1995-12-11
IL113692A0 (en) 1995-08-31
EP0687551B1 (de) 2002-02-13
EP1084818B1 (de) 2005-11-23

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