ATE187386T1 - Verfahren und vorrichtung zur entformung der opthalmischen kontakt-linsen - Google Patents
Verfahren und vorrichtung zur entformung der opthalmischen kontakt-linsenInfo
- Publication number
- ATE187386T1 ATE187386T1 AT95303999T AT95303999T ATE187386T1 AT E187386 T1 ATE187386 T1 AT E187386T1 AT 95303999 T AT95303999 T AT 95303999T AT 95303999 T AT95303999 T AT 95303999T AT E187386 T1 ATE187386 T1 AT E187386T1
- Authority
- AT
- Austria
- Prior art keywords
- mold half
- contact lenses
- upper mold
- lenses
- prying
- Prior art date
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
- B29D11/00211—Demoulding, e.g. separating lenses from mould halves using heating 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/20—Opening, closing or clamping
-
- 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
- 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
- B29D11/00125—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
-
- 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)
- Prostheses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25787194A | 1994-06-10 | 1994-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE187386T1 true ATE187386T1 (de) | 1999-12-15 |
Family
ID=22978131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95303999T ATE187386T1 (de) | 1994-06-10 | 1995-06-09 | Verfahren und vorrichtung zur entformung der opthalmischen kontakt-linsen |
Country Status (11)
Country | Link |
---|---|
US (1) | US5935492A (de) |
EP (1) | EP0686487B1 (de) |
JP (1) | JP3776149B2 (de) |
AT (1) | ATE187386T1 (de) |
AU (1) | AU709955B2 (de) |
BR (1) | BR9502729A (de) |
CA (1) | CA2151339C (de) |
CZ (1) | CZ147595A3 (de) |
DE (1) | DE69513725T2 (de) |
IL (1) | IL113826A0 (de) |
ZA (1) | ZA954807B (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU706496B2 (en) * | 1995-11-21 | 1999-06-17 | Johnson & Johnson Vision Products, Inc. | Infra-red heat source for demolding contact lenses |
JP3772243B2 (ja) * | 1996-09-25 | 2006-05-10 | 湘南デザイン株式会社 | 複製製品の成形方法 |
JP2002515837A (ja) * | 1996-11-06 | 2002-05-28 | ボシュ アンド ロム インコーポレイテッド | コンタクトレンズの金型部分からの分離方法および装置 |
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 |
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 |
ATE526135T1 (de) * | 2001-03-26 | 2011-10-15 | Novartis Ag | Giessform und verfahren zur herstellung von opthalmischen linsen |
US6663801B2 (en) * | 2001-04-06 | 2003-12-16 | Johnson & Johnson Vision Care, Inc. | Silicon carbide IR-emitter heating device and method for demolding lenses |
WO2002087842A1 (en) * | 2001-05-02 | 2002-11-07 | Concepcionlicence Ag | Method and device for demolding molded lenses |
JP4695797B2 (ja) * | 2001-09-28 | 2011-06-08 | 株式会社メニコンネクト | レンズ型開き手段及び方法 |
US20050056955A1 (en) * | 2003-08-18 | 2005-03-17 | Axel Heinrich | Demolding process |
EP1732750B1 (de) * | 2004-03-24 | 2008-05-21 | Novartis AG | Verfahren zur herstellung von kontaktlinsen |
US20060097415A1 (en) * | 2004-11-05 | 2006-05-11 | Watterson Robert J Jr | Methods of demolding ophthalmic lenses |
CA2524187A1 (en) * | 2004-11-22 | 2006-05-22 | Johnson & Johnson Vision Care, Inc. | Multistage ophthalmic lens demold |
US7799249B2 (en) | 2005-08-09 | 2010-09-21 | Coopervision International Holding Company, Lp | Systems and methods for producing silicone hydrogel contact lenses |
US9102110B2 (en) * | 2005-08-09 | 2015-08-11 | Coopervision International Holding Company, Lp | Systems and methods for removing lenses from lens molds |
EP1981691B1 (de) * | 2006-02-01 | 2010-12-08 | Johnson and Johnson Vision Care, Inc. | Achsensteuerung bei der herstellung von torischen kontaktlinsen |
CN101405623A (zh) * | 2006-03-20 | 2009-04-08 | 库柏维景国际控股公司 | 用于硅氧水凝胶的脱模助剂和相关方法 |
US8231218B2 (en) | 2006-06-15 | 2012-07-31 | Coopervision International Holding Company, Lp | Wettable silicone hydrogel contact lenses and related compositions and methods |
CN101516610B (zh) * | 2006-09-21 | 2012-09-05 | 诺瓦提斯公司 | 隐形眼镜的脱模方法 |
US20080217800A1 (en) * | 2007-03-06 | 2008-09-11 | Kernick Edward R | Method for stabilizing lens mold assembly |
CN101579907B (zh) * | 2008-05-16 | 2013-05-08 | 鸿富锦精密工业(深圳)有限公司 | 分模装置 |
US20100109176A1 (en) * | 2008-11-03 | 2010-05-06 | Chris Davison | Machined lens molds and methods for making and using same |
US8313675B2 (en) * | 2009-08-31 | 2012-11-20 | Coopervision International Holding Company, Lp | Demolding of ophthalmic lenses during the manufacture thereof |
WO2012064699A1 (en) | 2010-11-10 | 2012-05-18 | Novartis Ag | Method for making contact lenses |
CN109803815B (zh) | 2016-10-14 | 2021-06-11 | 爱尔康公司 | 制造接触镜片的方法 |
US10967544B2 (en) * | 2017-12-01 | 2021-04-06 | Himax Technologies Limited | Mold separation device and separation method thereof |
CN109955420B (zh) * | 2017-12-14 | 2021-05-18 | 奇景光电股份有限公司 | 模具分离装置及其分离方法 |
CN113400529B (zh) * | 2021-07-01 | 2023-07-21 | 西朗自动化设备(常州)有限公司 | 隐形眼镜脱模取片机及其脱模取片方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1579166A1 (de) * | 1965-11-30 | 1970-07-16 | Continental Gummi Werke Ag | Verfahren und Vorrichtung zum OEffnen von Vulkanisierformen an Kautschuk-Spritzmaschinen |
US3624672A (en) * | 1968-06-13 | 1971-11-30 | Phillips Petroleum Co | Molding of cellular objects |
US4121896A (en) | 1976-03-24 | 1978-10-24 | Shepherd Thomas H | Apparatus for the production of contact lenses |
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 |
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 |
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 |
GB2127345B (en) * | 1982-09-16 | 1985-10-02 | Old Acre Eng Co Ltd | Vacuum presses |
JPS60192606A (ja) * | 1984-03-14 | 1985-10-01 | Du Pont Mitsui Fluorochem Co Ltd | プラスチツク成形物をガラス型から剥離する方法 |
JPS6178613A (ja) * | 1984-09-26 | 1986-04-22 | Mitsubishi Rayon Co Ltd | 重合体成形物の製造方法 |
JPS61283509A (ja) * | 1985-06-10 | 1986-12-13 | Shimada Phys & Chem Ind Co Ltd | プラスチツクレンズの母型からの分離方法 |
CA1263208A (en) * | 1985-12-19 | 1989-11-28 | Kirk K.S. Hwang | Method and apparatus for making optical devices |
US4889664A (en) * | 1988-11-25 | 1989-12-26 | Vistakon, Inc. | Method of forming shaped hydrogel articles including contact lenses |
US5039459A (en) | 1988-11-25 | 1991-08-13 | Johnson & Johnson Vision Products, Inc. | Method of forming shaped hydrogel articles including contact lenses |
US5094609A (en) | 1990-04-17 | 1992-03-10 | Vistakon, Inc. | Chamber for hydrating contact lenses |
US5080839A (en) | 1990-04-17 | 1992-01-14 | Johnson & Johnson Vision Products, Inc. | Process for hydrating soft contact lenses |
FR2662969B1 (fr) * | 1990-06-08 | 1992-10-16 | Anver | Appareil de moulage haute frequence de matiere plastique. |
JPH0459314A (ja) * | 1990-06-29 | 1992-02-26 | Toray Ind Inc | プラスチック製レンズの離型方法およびその装置 |
IL102556A (en) * | 1991-08-16 | 1998-02-08 | Johnson & Johnson Vision Prod | Device and process for fusing detachable lens mold units |
US5294379A (en) * | 1992-09-18 | 1994-03-15 | Johnson & Johnson Vision Products, Inc. | Laser assisted demolding of ophthalmic lenses |
US5326505A (en) * | 1992-12-21 | 1994-07-05 | Johnson & Johnson Vision Products, Inc. | Method for treating an ophthalmic lens mold |
US5850107A (en) * | 1994-06-10 | 1998-12-15 | Johnson & Johnson Vision Products, Inc. | Mold separation method and apparatus |
-
1995
- 1995-05-23 IL IL11382695A patent/IL113826A0/xx unknown
- 1995-06-07 CZ CZ951475A patent/CZ147595A3/cs unknown
- 1995-06-08 BR BR9502729A patent/BR9502729A/pt not_active IP Right Cessation
- 1995-06-08 CA CA002151339A patent/CA2151339C/en not_active Expired - Lifetime
- 1995-06-09 JP JP16817395A patent/JP3776149B2/ja not_active Expired - Lifetime
- 1995-06-09 DE DE69513725T patent/DE69513725T2/de not_active Expired - Lifetime
- 1995-06-09 AT AT95303999T patent/ATE187386T1/de active
- 1995-06-09 ZA ZA954807A patent/ZA954807B/xx unknown
- 1995-06-09 EP EP95303999A patent/EP0686487B1/de not_active Expired - Lifetime
- 1995-06-09 AU AU20568/95A patent/AU709955B2/en not_active Expired
-
1997
- 1997-11-26 US US08/979,663 patent/US5935492A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69513725T2 (de) | 2000-06-08 |
EP0686487B1 (de) | 1999-12-08 |
BR9502729A (pt) | 1996-03-12 |
US5935492A (en) | 1999-08-10 |
CZ147595A3 (en) | 1996-02-14 |
ZA954807B (en) | 1996-12-09 |
AU709955B2 (en) | 1999-09-09 |
AU2056895A (en) | 1995-12-21 |
JPH0899370A (ja) | 1996-04-16 |
EP0686487A2 (de) | 1995-12-13 |
JP3776149B2 (ja) | 2006-05-17 |
CA2151339C (en) | 2006-06-06 |
IL113826A0 (en) | 1995-08-31 |
CA2151339A1 (en) | 1995-12-11 |
DE69513725D1 (de) | 2000-01-13 |
EP0686487A3 (de) | 1996-11-20 |
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