DE69710038T2 - Entformungsverfahren für optische Linsen durch einen Laserstrahlabtaster - Google Patents
Entformungsverfahren für optische Linsen durch einen LaserstrahlabtasterInfo
- Publication number
- DE69710038T2 DE69710038T2 DE69710038T DE69710038T DE69710038T2 DE 69710038 T2 DE69710038 T2 DE 69710038T2 DE 69710038 T DE69710038 T DE 69710038T DE 69710038 T DE69710038 T DE 69710038T DE 69710038 T2 DE69710038 T2 DE 69710038T2
- Authority
- DE
- Germany
- Prior art keywords
- mold
- polymer
- lens
- mold portions
- laser beam
- 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
- B29D11/00211—Demoulding, e.g. separating lenses from mould halves using heating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
-
- 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)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Ophthalmology & Optometry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Eyeglasses (AREA)
- Laser Beam Processing (AREA)
- Radiation-Therapy Devices (AREA)
- Laser Surgery Devices (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/709,832 US5815238A (en) | 1996-09-10 | 1996-09-10 | Scanning laser demolding of ophthalmic lenses |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69710038D1 DE69710038D1 (de) | 2002-03-14 |
DE69710038T2 true DE69710038T2 (de) | 2002-07-11 |
Family
ID=24851468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69710038T Expired - Lifetime DE69710038T2 (de) | 1996-09-10 | 1997-09-09 | Entformungsverfahren für optische Linsen durch einen Laserstrahlabtaster |
Country Status (9)
Country | Link |
---|---|
US (1) | US5815238A (de) |
EP (1) | EP0850751B1 (de) |
JP (1) | JP4435880B2 (de) |
AT (1) | ATE212288T1 (de) |
AU (1) | AU736009B2 (de) |
CA (1) | CA2215063C (de) |
DE (1) | DE69710038T2 (de) |
SG (1) | SG72757A1 (de) |
TW (1) | TW362064B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6609041B1 (en) * | 1999-05-05 | 2003-08-19 | Johnson & Johnson Vision Care, Inc. | Method and system for SKU tracking and changeover |
US6638451B1 (en) * | 1999-08-31 | 2003-10-28 | Novartis Ag | Plastic casting molds |
EP1245372B1 (de) * | 2001-03-26 | 2011-09-28 | 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 |
EP2637847B1 (de) | 2010-11-10 | 2014-07-23 | Novartis AG | Verfahren zur herstellung von kontaktlinsen |
DE102016122060B3 (de) * | 2016-11-16 | 2018-03-29 | Csm Maschinen Gmbh | Laserpressschweißen |
JP6999273B2 (ja) * | 2017-02-06 | 2022-02-10 | 株式会社ニデック | 染色装置及び染色方法 |
EP3931626A4 (de) * | 2019-03-01 | 2023-03-15 | Sightglass Vision, Inc. | Brillengläser zur verminderung der myopischen progression und verfahren zur herstellung davon |
CN111231055A (zh) * | 2020-01-07 | 2020-06-05 | 国网四川省电力公司映秀湾水力发电总厂 | 一种混流式水轮机转轮叶片三维模型的逆向反求方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3809921A1 (de) * | 1988-03-24 | 1989-10-12 | Diehl Gmbh & Co | Grossflaechiger hochenergie-laserspiegel und verfahren zum herstellen eines solchen spiegels |
US4869745A (en) * | 1989-04-24 | 1989-09-26 | Flaming Dale G | Apparatus for forming micropipette of controlled configuration by moving the point of heat application |
DE4228528A1 (de) * | 1991-08-29 | 1993-03-04 | Okuma Machinery Works Ltd | Verfahren und vorrichtung zur metallblechverarbeitung |
US5334815A (en) * | 1992-01-15 | 1994-08-02 | Wear Guard Corp. | Apparatus and method for producing a printing screen |
US5269982A (en) * | 1992-02-12 | 1993-12-14 | Brotz Gregory R | Process for manufacturing a shaped product |
US5294379A (en) * | 1992-09-18 | 1994-03-15 | Johnson & Johnson Vision Products, Inc. | Laser assisted demolding of ophthalmic lenses |
-
1996
- 1996-09-10 US US08/709,832 patent/US5815238A/en not_active Expired - Lifetime
-
1997
- 1997-09-08 CA CA002215063A patent/CA2215063C/en not_active Expired - Fee Related
- 1997-09-09 JP JP28246097A patent/JP4435880B2/ja not_active Expired - Fee Related
- 1997-09-09 DE DE69710038T patent/DE69710038T2/de not_active Expired - Lifetime
- 1997-09-09 EP EP97306995A patent/EP0850751B1/de not_active Expired - Lifetime
- 1997-09-09 AU AU37473/97A patent/AU736009B2/en not_active Ceased
- 1997-09-09 AT AT97306995T patent/ATE212288T1/de active
- 1997-09-09 SG SG1997003349A patent/SG72757A1/en unknown
- 1997-12-19 TW TW086113237A patent/TW362064B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
MX9706914A (es) | 1998-05-31 |
US5815238A (en) | 1998-09-29 |
AU3747397A (en) | 1998-03-12 |
CA2215063C (en) | 2006-08-15 |
TW362064B (en) | 1999-06-21 |
DE69710038D1 (de) | 2002-03-14 |
EP0850751A1 (de) | 1998-07-01 |
AU736009B2 (en) | 2001-07-26 |
ATE212288T1 (de) | 2002-02-15 |
SG72757A1 (en) | 2000-05-23 |
CA2215063A1 (en) | 1998-03-10 |
JPH10128772A (ja) | 1998-05-19 |
JP4435880B2 (ja) | 2010-03-24 |
EP0850751B1 (de) | 2002-01-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE140180T1 (de) | Laserunterstützte formtrennung von ophthalmischen linsen | |
DE69710038D1 (de) | Entformungsverfahren für optische Linsen durch einen Laserstrahlabtaster | |
CN100436112C (zh) | 红外线发射器加热设备和使镜片脱模的方法 | |
ES2116319T3 (es) | Dispositivo y procedimiento para la fusion desprendible de piezas moldeadas de lentes. | |
US20200198163A1 (en) | Polymeric Cutting Edge Structures And Method of Manufacturing Polymeric Cutting Edge Structures | |
JP4109234B2 (ja) | 微細転写方法および装置 | |
CN102246070A (zh) | 光学上平滑光导的制作 | |
WO1997033352A1 (fr) | Lentille, element laser a semi-conducteur, dispositif d'usinage de la lentille et de l'element, procede de fabrication de l'element laser a semi-conducteur, element optique et dispositif et procede d'usinage dudit element optique | |
Heckele et al. | Hot embossing and injection molding for micro-optical components | |
Pan et al. | Cylindrical plastic lens array fabricated by a micro intrusion process | |
Sáez-Rodríguez et al. | Simple room temperature method for polymer optical fibre cleaving | |
JP5751796B2 (ja) | 光学素子の製造方法および光学素子 | |
JP2005205860A (ja) | 光学素子の製造方法 | |
Kahle et al. | Direct, Laser-based Production of Optics. | |
JP3869296B2 (ja) | プラスチック光学素子及びその製造方法 | |
Bruno et al. | Thermally actuated free-form MEMS mirrors | |
Hasanah et al. | Direct formation of periodic parallel microgrooves on glass using CO2 laser irradiation | |
Rezem | Replication of planar polymer micro-optical waveguides and components | |
JP2002154161A (ja) | レーザーを利用した成形方法 | |
JP2003266504A (ja) | プラスチック光学素子及びその製造方法 | |
JPH1119956A (ja) | プラスチックレンズ成形方法及びプラスチックレンズ | |
MXPA97006914A (en) | Demolde of ophthalmic lenses with laser deescudriñamie | |
JP2001172030A (ja) | 光学素子の成形方法、光学素子、及び、光学素子の成形装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN |