DE69816142D1 - Entwürfe einer Giessform zur Herstellung von Gegenständen mit einer gekrümmten Oberfläche um Adhäsion zwischen dem HEMA-Annulus und der Giessform zu erhalten - Google Patents
Entwürfe einer Giessform zur Herstellung von Gegenständen mit einer gekrümmten Oberfläche um Adhäsion zwischen dem HEMA-Annulus und der Giessform zu erhaltenInfo
- Publication number
- DE69816142D1 DE69816142D1 DE69816142T DE69816142T DE69816142D1 DE 69816142 D1 DE69816142 D1 DE 69816142D1 DE 69816142 T DE69816142 T DE 69816142T DE 69816142 T DE69816142 T DE 69816142T DE 69816142 D1 DE69816142 D1 DE 69816142D1
- Authority
- DE
- Germany
- Prior art keywords
- basecurve
- mold
- excess polymer
- hema ring
- annular area
- 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
Links
Classifications
-
- 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
- B29C33/0055—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
- 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
-
- 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)
- Moulds For Moulding Plastics Or The Like (AREA)
- Golf Clubs (AREA)
- Forging (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79486297A | 1997-02-05 | 1997-02-05 | |
US794862 | 1997-02-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69816142D1 true DE69816142D1 (de) | 2003-08-14 |
DE69816142T2 DE69816142T2 (de) | 2004-04-15 |
Family
ID=25163908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69816142T Expired - Lifetime DE69816142T2 (de) | 1997-02-05 | 1998-02-04 | Entwürfe einer Giessform zur Herstellung von Gegenständen mit einer gekrümmten Oberfläche um Adhäsion zwischen dem HEMA-Annulus und der Giessform zu erhalten |
Country Status (9)
Country | Link |
---|---|
US (1) | US5975875A (de) |
EP (1) | EP0857565B1 (de) |
JP (1) | JP4121601B2 (de) |
AT (1) | ATE244632T1 (de) |
AU (1) | AU5289498A (de) |
CA (1) | CA2228961C (de) |
DE (1) | DE69816142T2 (de) |
SG (1) | SG77623A1 (de) |
TW (1) | TW363917B (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2790706B1 (fr) * | 1999-03-08 | 2001-06-08 | Essilor Int | Moule en trois parties pour la fabrication d'articles oculaires en materiau polymere transparent |
GB9906240D0 (en) * | 1999-03-19 | 1999-05-12 | Ocular Sciences Limited | Lens mould |
US6869549B2 (en) * | 1999-05-05 | 2005-03-22 | Johnson & Johnson Vision Care, Inc. | Method and mold for making ophthalmic devices |
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 |
US6551531B1 (en) | 2000-03-22 | 2003-04-22 | Johnson & Johnson Vision Care, Inc. | Molds for making ophthalmic devices |
GR1004506B (el) * | 2000-04-21 | 2004-03-26 | Συσκευη για τη μορφοποιηση θερμοαντιστρεπτης υδρογελης στην επιφανεια του κερατοειδους | |
US6368096B1 (en) | 2000-07-31 | 2002-04-09 | Bausch & Lomb Incorporated | Apparatus for separating material from a mold surface |
US6708397B2 (en) | 2001-08-09 | 2004-03-23 | Johnson & Johnson Vision Care, Inc. | Inlay station with alignment assemblies and transfer tubes |
KR20100119802A (ko) * | 2002-08-16 | 2010-11-10 | 존슨 앤드 존슨 비젼 케어, 인코포레이티드 | 콘택트 렌즈 제조용 금형 |
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 |
JP5363503B2 (ja) | 2007-12-31 | 2013-12-11 | ボーシュ アンド ローム インコーポレイティド | 眼科デバイスを含むバイオメディカルデバイスを形成するためのキャスティングモールド |
DE102009055080B4 (de) * | 2009-12-21 | 2019-11-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Herstellen einer Struktur, Abformwerkzeug |
DE102009055088B4 (de) | 2009-12-21 | 2015-04-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Herstellen einer Struktur, optisches Bauteil, optischer Schichtstapel |
EP2637847B1 (de) | 2010-11-10 | 2014-07-23 | Novartis AG | Verfahren zur herstellung von kontaktlinsen |
US20120242814A1 (en) * | 2011-03-25 | 2012-09-27 | Kenneth Kubala | Miniature Wafer-Level Camera Modules |
US9283718B2 (en) * | 2012-05-25 | 2016-03-15 | Johnson & Johnson Vision Care, Inc. | Reduced-tilt back plastic feature for a contact lens mold |
JP5621117B2 (ja) | 2012-06-19 | 2014-11-05 | 株式会社メニコンネクト | 多層コンタクトレンズおよびその製造方法 |
US9352493B2 (en) * | 2013-02-08 | 2016-05-31 | Johnson & Johnson Vision Care, Inc. | Casting cup assembly for forming an ophthalmic device |
DE102013218136B3 (de) | 2013-09-11 | 2015-02-12 | Carl Zeiss Vision International Gmbh | Brillenglas-Halb- oder -Fertigfabrikat, Verfahren zu dessen Herstellung und Verfahren zum Beschichten eines Brillenglas-Halb- oder -Fertigfabrikats |
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 |
US9937640B2 (en) | 2014-12-19 | 2018-04-10 | Coopervision International Holding Company, Lp | Apparatus and method for closure of ophthalmic lens molds |
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 |
US10029402B2 (en) | 2014-12-19 | 2018-07-24 | Coopervision International Holding Company, Lp | Method and apparatus for manufacturing contact lenses |
US10137612B2 (en) | 2014-12-19 | 2018-11-27 | Coopervision International Holding Company, Lp | Methods and apparatus for manufacture of ophthalmic lenses |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4208364A (en) * | 1976-03-24 | 1980-06-17 | Shepherd Thomas H | Process for the production of contact lenses |
GB8601967D0 (en) * | 1986-01-28 | 1986-03-05 | Coopervision Optics | Manufacturing contact lenses |
US4889664A (en) * | 1988-11-25 | 1989-12-26 | Vistakon, Inc. | Method of forming shaped hydrogel articles including contact lenses |
US5252056A (en) * | 1990-03-16 | 1993-10-12 | Ciba-Geigy Corporation | Contact lens casting mould |
US5158718A (en) * | 1990-08-02 | 1992-10-27 | Pilkington Visioncare, Inc. | Contact lens casting |
US5160749A (en) * | 1990-10-30 | 1992-11-03 | Minnesota Mining And Manufacturing Company | Three piece mold assembly for making an ocular device |
US5271875A (en) * | 1991-09-12 | 1993-12-21 | Bausch & Lomb Incorporated | Method for molding lenses |
US5238388A (en) * | 1991-12-06 | 1993-08-24 | Johnson & Johnson Vision Products, Inc. | Ophthalmic lens mold seal |
TW221383B (de) * | 1992-06-08 | 1994-03-01 | Sumitomo Gomo Kogyo Kk | |
ES2102857T3 (es) * | 1993-06-11 | 1997-08-01 | Minnesota Mining & Mfg | Utensilio de reproduccion maquinado por laser. |
TW325744U (en) * | 1993-07-21 | 1998-01-21 | Ciba Geigy Ag | Two-sided contact lens mold |
US5542978A (en) * | 1994-06-10 | 1996-08-06 | Johnson & Johnson Vision Products, Inc. | Apparatus for applying a surfactant to mold surfaces |
-
1998
- 1998-02-03 CA CA002228961A patent/CA2228961C/en not_active Expired - Lifetime
- 1998-02-03 AU AU52894/98A patent/AU5289498A/en not_active Abandoned
- 1998-02-04 SG SG1998000240A patent/SG77623A1/en unknown
- 1998-02-04 AT AT98300806T patent/ATE244632T1/de not_active IP Right Cessation
- 1998-02-04 EP EP98300806A patent/EP0857565B1/de not_active Expired - Lifetime
- 1998-02-04 DE DE69816142T patent/DE69816142T2/de not_active Expired - Lifetime
- 1998-02-05 JP JP03798798A patent/JP4121601B2/ja not_active Expired - Lifetime
- 1998-03-09 US US09/037,102 patent/US5975875A/en not_active Expired - Lifetime
- 1998-04-17 TW TW087101445A patent/TW363917B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SG77623A1 (en) | 2001-01-16 |
US5975875A (en) | 1999-11-02 |
EP0857565B1 (de) | 2003-07-09 |
CA2228961C (en) | 2007-06-19 |
JP4121601B2 (ja) | 2008-07-23 |
ATE244632T1 (de) | 2003-07-15 |
DE69816142T2 (de) | 2004-04-15 |
EP0857565A1 (de) | 1998-08-12 |
JPH10309728A (ja) | 1998-11-24 |
AU5289498A (en) | 1998-08-13 |
TW363917B (en) | 1999-07-11 |
CA2228961A1 (en) | 1998-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN |