DE69303562T2 - Laserunterstützte Formtrennung von ophthalmischen Linsen - Google Patents
Laserunterstützte Formtrennung von ophthalmischen LinsenInfo
- Publication number
- DE69303562T2 DE69303562T2 DE69303562T DE69303562T DE69303562T2 DE 69303562 T2 DE69303562 T2 DE 69303562T2 DE 69303562 T DE69303562 T DE 69303562T DE 69303562 T DE69303562 T DE 69303562T DE 69303562 T2 DE69303562 T2 DE 69303562T2
- Authority
- DE
- Germany
- Prior art keywords
- mold
- laser
- polymer
- lens
- mold portions
- 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
- 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
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/06—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using radiation, e.g. electro-magnetic waves, induction heating
-
- 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
- B29D11/00211—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
- 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
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0838—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using laser
-
- 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
- B29C2791/009—Using laser
-
- 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
- B29L2011/0041—Contact lenses
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/947,218 US5294379A (en) | 1992-09-18 | 1992-09-18 | Laser assisted demolding of ophthalmic lenses |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69303562D1 DE69303562D1 (de) | 1996-08-14 |
DE69303562T2 true DE69303562T2 (de) | 1996-12-19 |
Family
ID=25485761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69303562T Expired - Lifetime DE69303562T2 (de) | 1992-09-18 | 1993-09-17 | Laserunterstützte Formtrennung von ophthalmischen Linsen |
Country Status (10)
Country | Link |
---|---|
US (2) | US5294379A (de) |
EP (1) | EP0588660B1 (de) |
JP (1) | JP3293975B2 (de) |
AT (1) | ATE140180T1 (de) |
AU (1) | AU662835B2 (de) |
CA (1) | CA2106328C (de) |
CZ (1) | CZ193893A3 (de) |
DE (1) | DE69303562T2 (de) |
DK (1) | DK0588660T3 (de) |
IL (1) | IL106653A (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5770119A (en) * | 1992-09-18 | 1998-06-23 | Johnson & Johnson Vision Products, Inc. | Laser demolding method |
US5326505A (en) * | 1992-12-21 | 1994-07-05 | Johnson & Johnson Vision Products, Inc. | Method for treating an ophthalmic lens mold |
EP0657264B1 (de) * | 1993-12-13 | 1999-07-21 | Novartis AG | Verfahren und Vorrichtung zur Herstellung einer Kontaktlinse |
US5894002A (en) * | 1993-12-13 | 1999-04-13 | Ciba Vision Corporation | Process and apparatus for the manufacture of a contact lens |
DE69511067T2 (de) | 1994-01-31 | 1999-12-09 | Bausch & Lomb | Verfahren zur behandlung von kontaktlinsen mit superkritischen fluidum |
IL113826A0 (en) * | 1994-06-10 | 1995-08-31 | Johnson & Johnson Vision Prod | Method and apparatus for demolding ophthalmic contact lenses |
US5656208A (en) * | 1994-06-10 | 1997-08-12 | Johnson & Johnson Vision Products, Inc. | Method and apparatus for contact lens mold filling and assembly |
US5804107A (en) | 1994-06-10 | 1998-09-08 | Johnson & Johnson Vision Products, Inc. | Consolidated contact lens molding |
US5850107A (en) * | 1994-06-10 | 1998-12-15 | Johnson & Johnson Vision Products, Inc. | Mold separation method and apparatus |
IL113695A0 (en) * | 1994-06-10 | 1995-08-31 | Johnson & Johnson Vision Prod | Laser demolding apparatus and method |
US5690865A (en) * | 1995-03-31 | 1997-11-25 | Johnson & Johnson Vision Products, Inc. | Mold material with additives |
US5849209A (en) * | 1995-03-31 | 1998-12-15 | Johnson & Johnson Vision Products, Inc. | Mold material made with additives |
AU713558B2 (en) * | 1995-05-01 | 1999-12-02 | Johnson & Johnson Vision Products, Inc. | Laser demolding apparatus and method |
AU706496B2 (en) * | 1995-11-21 | 1999-06-17 | Johnson & Johnson Vision Products, Inc. | Infra-red heat source for demolding contact lenses |
US5693268A (en) * | 1996-04-01 | 1997-12-02 | Johnson & Johnson Vision Products, Inc. | Wedge demolding of cast lens mold assemblies |
US5820895A (en) * | 1996-06-04 | 1998-10-13 | Johnson & Johnson Vision Products, Inc. | Conductive probe for heating contact lens mold assemblies during demolding |
US5815238A (en) * | 1996-09-10 | 1998-09-29 | Johnson & Johnson Vision Products, Inc. | Scanning laser demolding of ophthalmic lenses |
US5936704A (en) | 1997-12-22 | 1999-08-10 | Gabrielian; Grant | Marked contact lens bearing optical marking element |
US6203156B1 (en) | 1998-03-31 | 2001-03-20 | Johnson & Johnson Vision Care, Inc. | Contact lenses bearing marks |
US6024448A (en) * | 1998-03-31 | 2000-02-15 | Johnson & Johnson Vision Products, Inc. | Contact lenses bearing identifying marks |
US20070157553A1 (en) * | 1998-12-21 | 2007-07-12 | Voss Leslie A | Heat seal apparatus for lens packages |
US20040112008A1 (en) | 1998-12-21 | 2004-06-17 | Voss Leslie A. | Heat seal apparatus for lens packages |
US20040074525A1 (en) * | 2001-03-27 | 2004-04-22 | Widman Michael F. | Transfer apparatus and method and a transfer apparatus cleaner and method |
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 |
US20030164563A1 (en) * | 2002-03-04 | 2003-09-04 | Olin Calvin | Use of microwave energy to disassemble, release, and hydrate contact lenses |
EP1747879A3 (de) | 2002-03-04 | 2007-03-07 | Johnson & Johnson Vision Care, Inc. | Benutzung von Mikrowellenenergie zur Entformung,Lösung und Hydration von Kontakt-Linsen |
CA2496024C (en) * | 2002-08-16 | 2010-05-25 | Johnson & Johnson Vision Care, Inc. | Molds for producing contact lenses |
CN100594394C (zh) * | 2004-10-28 | 2010-03-17 | 诺瓦提斯公司 | 用于传输短弧灯发射的光的设备 |
US20060097415A1 (en) * | 2004-11-05 | 2006-05-11 | Watterson Robert J Jr | Methods of demolding ophthalmic lenses |
US7799249B2 (en) * | 2005-08-09 | 2010-09-21 | Coopervision International Holding Company, Lp | Systems and methods for producing silicone hydrogel contact lenses |
DE102006020771B3 (de) | 2006-05-03 | 2008-01-10 | Eisenmann Anlagenbau Gmbh & Co. Kg | Hubtisch insbesondere für kleine Hubhöhen |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE662573A (de) * | 1964-05-05 | |||
DD95679A1 (de) * | 1972-02-16 | 1973-02-12 | Funk Hans Joachim | Verfahren und vorrichtung zur herstellung von gfp-formteilen |
US3938775A (en) * | 1973-08-20 | 1976-02-17 | Sarofeen George M J | Mold assembly for casting synthetic lenses |
US4155962A (en) * | 1977-05-25 | 1979-05-22 | Neefe Optical Laboratory, Inc. | Method of removing molded lenses from the mold |
FR2477058A1 (fr) * | 1980-02-28 | 1981-09-04 | Medicornea Sa | Procede de fabrication par moulage de lentilles de contact, et lentilles obtenues |
FR2477059A1 (fr) * | 1980-02-28 | 1981-09-04 | Medicornea Sa | Procede de fabrication par moulage de lentilles de contact et lentilles obtenues |
FR2523505A2 (fr) * | 1982-03-17 | 1983-09-23 | Medicornea Sa | Procede perfectionne pour la fabrication, par moulage, de lentilles de contact et dispositif de mise en oeuvre |
US4652721A (en) * | 1985-01-03 | 1987-03-24 | Dow Corning Corporation | Method and apparatus for edge contouring lenses |
US4728469A (en) * | 1986-01-28 | 1988-03-01 | Sperti Drug Products, Inc. | Method and apparatus for making a plastic lens |
US4909969A (en) * | 1989-08-23 | 1990-03-20 | Wood Kenneth E | Method and apparatus for removing a contact lens from a plastic mold |
US5160749A (en) * | 1990-10-30 | 1992-11-03 | Minnesota Mining And Manufacturing Company | Three piece mold assembly for making an ocular device |
-
1992
- 1992-09-18 US US07/947,218 patent/US5294379A/en not_active Expired - Lifetime
-
1993
- 1993-08-10 IL IL10665393A patent/IL106653A/en not_active IP Right Cessation
- 1993-09-03 AU AU46130/93A patent/AU662835B2/en not_active Expired
- 1993-09-16 CA CA002106328A patent/CA2106328C/en not_active Expired - Lifetime
- 1993-09-17 AT AT93307360T patent/ATE140180T1/de active
- 1993-09-17 EP EP93307360A patent/EP0588660B1/de not_active Expired - Lifetime
- 1993-09-17 DE DE69303562T patent/DE69303562T2/de not_active Expired - Lifetime
- 1993-09-17 CZ CZ931938A patent/CZ193893A3/cs unknown
- 1993-09-17 DK DK93307360.3T patent/DK0588660T3/da active
- 1993-09-17 JP JP25359793A patent/JP3293975B2/ja not_active Expired - Fee Related
-
1994
- 1994-03-07 US US08/207,443 patent/US5417557A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CZ193893A3 (en) | 1994-05-18 |
ATE140180T1 (de) | 1996-07-15 |
AU662835B2 (en) | 1995-09-14 |
CA2106328A1 (en) | 1994-03-19 |
US5417557A (en) | 1995-05-23 |
JP3293975B2 (ja) | 2002-06-17 |
JPH06190940A (ja) | 1994-07-12 |
US5294379A (en) | 1994-03-15 |
DE69303562D1 (de) | 1996-08-14 |
EP0588660B1 (de) | 1996-07-10 |
EP0588660A1 (de) | 1994-03-23 |
AU4613093A (en) | 1994-03-24 |
CA2106328C (en) | 2001-11-27 |
IL106653A (en) | 1996-01-19 |
IL106653A0 (en) | 1993-12-08 |
DK0588660T3 (da) | 1996-08-05 |
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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 |