DE3582339D1 - Schneidevorrichtung und verfahren zur praezisen entgratung des randes einer zentrifugal gegossenen linse. - Google Patents
Schneidevorrichtung und verfahren zur praezisen entgratung des randes einer zentrifugal gegossenen linse.Info
- Publication number
- DE3582339D1 DE3582339D1 DE8585400140T DE3582339T DE3582339D1 DE 3582339 D1 DE3582339 D1 DE 3582339D1 DE 8585400140 T DE8585400140 T DE 8585400140T DE 3582339 T DE3582339 T DE 3582339T DE 3582339 D1 DE3582339 D1 DE 3582339D1
- Authority
- DE
- Germany
- Prior art keywords
- deburring
- precisely
- edge
- cutting device
- centrifugal cast
- 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 - Fee Related
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
- B29D11/00932—Combined cutting and grinding thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
-
- 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
- B29C37/02—Deburring or deflashing
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/29—Cutting by use of rotating axially moving tool with means to deForm work temporarily
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/561—Having tool-opposing, work-engaging surface
- Y10T408/5623—Having tool-opposing, work-engaging surface with presser foot
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/83—Tool-support with means to move Tool relative to tool-support
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/384—By tool inside hollow work
- Y10T83/394—One tool having unidirectional rotary motion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Eyeglasses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Turning (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/575,250 US4534723A (en) | 1984-01-30 | 1984-01-30 | Cutting device for the precision trimming of the edge of a centrifugally cast lens |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3582339D1 true DE3582339D1 (de) | 1991-05-08 |
Family
ID=24299526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585400140T Expired - Fee Related DE3582339D1 (de) | 1984-01-30 | 1985-01-28 | Schneidevorrichtung und verfahren zur praezisen entgratung des randes einer zentrifugal gegossenen linse. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4534723A (de) |
EP (1) | EP0152330B1 (de) |
JP (1) | JPS60199618A (de) |
AU (1) | AU569138B2 (de) |
CA (1) | CA1246985A (de) |
DE (1) | DE3582339D1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4678422A (en) * | 1985-11-12 | 1987-07-07 | York Kenneth K | Systems and methods for precise, accurate formation of products by photoablation |
JPS6391230A (ja) * | 1986-10-03 | 1988-04-21 | Toyo Contact Lens Co Ltd | 眼内レンズの製造方法 |
US5076683A (en) * | 1988-09-14 | 1991-12-31 | Allergan, Inc. | Spuncast compound contact lens |
GB8900616D0 (en) * | 1989-01-12 | 1989-03-08 | Galley Geoffrey H | Methods of manufacturing contact lenses |
JPH03110428U (de) * | 1990-02-26 | 1991-11-13 | ||
US5158718A (en) * | 1990-08-02 | 1992-10-27 | Pilkington Visioncare, Inc. | Contact lens casting |
US5378412A (en) * | 1992-12-02 | 1995-01-03 | Bausch & Lomb Incorporated | Method of edging a contact lens or lens blank |
US5620720A (en) * | 1994-11-29 | 1997-04-15 | Allergan | Cast molding of intraocular lenses |
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 |
GB2409427A (en) * | 2003-12-23 | 2005-06-29 | Bausch & Lomb | Handling moulded opthalmic lenses |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US673847A (en) * | 1900-06-08 | 1901-05-07 | Antonin Rueckl | Process of making lenses. |
US2237744A (en) * | 1939-12-30 | 1941-04-08 | John E Mullen | Contact lens and method of making the same |
US2990574A (en) * | 1959-06-08 | 1961-07-04 | Newton K Wesley | Lens molding apparatus |
US3005234A (en) * | 1959-07-06 | 1961-10-24 | Danker & Wohlk Inc | Apparatus for molding optical lenses |
US3224038A (en) * | 1962-03-28 | 1965-12-21 | Schmalbach Ag J A | Apparatus for the manufacture of blown, hollow articles |
US3391588A (en) * | 1965-11-08 | 1968-07-09 | Brown Machine Co Of Michigan | Apparatus and methods for removing flash from a plastic container |
US3365988A (en) * | 1965-11-12 | 1968-01-30 | Karlan Paul | Adjustable cutter |
US3514908A (en) * | 1967-11-29 | 1970-06-02 | Bausch & Lomb | Process for finishing contact lenses |
US3690783A (en) * | 1970-06-22 | 1972-09-12 | Kennametal Inc | Adjusting collar arrangement, especially for a boring bar |
US3736115A (en) * | 1971-07-06 | 1973-05-29 | Bausch & Lomb | Apparatus for and method of edge machining flexible contact lenses |
US3896688A (en) * | 1972-07-13 | 1975-07-29 | Bausch & Lomb | Method of edging a non-rigid lens |
US3832920A (en) * | 1972-07-13 | 1974-09-03 | Bausch & Lomb | Apparatus for and method of edging a non-rigid lens |
US3835596A (en) * | 1972-08-10 | 1974-09-17 | Bausch & Lomb | Apparatus for and method of removing material from a flexible contact lens |
FR2195930A5 (de) * | 1972-08-10 | 1974-03-08 | Bausch & Lomb | |
US3871610A (en) * | 1972-09-14 | 1975-03-18 | Beattie Dev Company | Optical mold forming means |
US4121896A (en) * | 1976-03-24 | 1978-10-24 | Shepherd Thomas H | Apparatus for the production of contact lenses |
FR2456304A1 (fr) * | 1979-05-07 | 1980-12-05 | Essilor Int | Dispositif permettant de mesurer la distance entre un point predetermine du contour desire d'une lentille optalmique et le plan tangent au pole de la surface convexe de la lentille |
US4407766A (en) * | 1981-05-26 | 1983-10-04 | National Patent Development Corporation | Molds and procedure for producing truncated contact lenses |
JPS5995118A (ja) * | 1982-11-22 | 1984-06-01 | Toyo Contact Lens Co Ltd | 軟質材料製のコンタクトレンズの製造法 |
-
1984
- 1984-01-30 US US06/575,250 patent/US4534723A/en not_active Expired - Lifetime
-
1985
- 1985-01-24 AU AU38047/85A patent/AU569138B2/en not_active Ceased
- 1985-01-28 EP EP19850400140 patent/EP0152330B1/de not_active Expired - Lifetime
- 1985-01-28 DE DE8585400140T patent/DE3582339D1/de not_active Expired - Fee Related
- 1985-01-29 CA CA000473102A patent/CA1246985A/en not_active Expired
- 1985-01-30 JP JP60016372A patent/JPS60199618A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4534723A (en) | 1985-08-13 |
EP0152330A2 (de) | 1985-08-21 |
EP0152330A3 (en) | 1987-08-19 |
AU569138B2 (en) | 1988-01-21 |
AU3804785A (en) | 1985-08-08 |
CA1246985A (en) | 1988-12-20 |
JPS60199618A (ja) | 1985-10-09 |
EP0152330B1 (de) | 1991-04-03 |
JPH0227129B2 (de) | 1990-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING. KLITZSCH, G., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HYDRON LTD., FARNBOROUGH, HAMPSHIRE, GB |
|
8339 | Ceased/non-payment of the annual fee |