JPH0227129B2 - - Google Patents
Info
- Publication number
- JPH0227129B2 JPH0227129B2 JP1637285A JP1637285A JPH0227129B2 JP H0227129 B2 JPH0227129 B2 JP H0227129B2 JP 1637285 A JP1637285 A JP 1637285A JP 1637285 A JP1637285 A JP 1637285A JP H0227129 B2 JPH0227129 B2 JP H0227129B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- cutting
- lens
- support
- annular surface
- 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
- B29D11/00932—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 (2)
| 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 |
| US575250 | 1984-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60199618A JPS60199618A (ja) | 1985-10-09 |
| JPH0227129B2 true JPH0227129B2 (enExample) | 1990-06-14 |
Family
ID=24299526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60016372A Granted JPS60199618A (ja) | 1984-01-30 | 1985-01-30 | 遠心注型レンズの縁を精密トリミングするための切削装置および方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4534723A (enExample) |
| EP (1) | EP0152330B1 (enExample) |
| JP (1) | JPS60199618A (enExample) |
| AU (1) | AU569138B2 (enExample) |
| CA (1) | CA1246985A (enExample) |
| DE (1) | DE3582339D1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03110428U (enExample) * | 1990-02-26 | 1991-11-13 |
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 |
| 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 |
| EP3943282B1 (en) * | 2020-07-24 | 2025-09-10 | Essilor International | Deflashing machine and method of deflashing a lens-mold-assembly |
Family Cites Families (18)
| 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 |
| US3832920A (en) * | 1972-07-13 | 1974-09-03 | Bausch & Lomb | Apparatus for and method of edging a non-rigid lens |
| US3896688A (en) * | 1972-07-13 | 1975-07-29 | Bausch & Lomb | 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 (enExample) * | 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 |
-
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/en 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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03110428U (enExample) * | 1990-02-26 | 1991-11-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3804785A (en) | 1985-08-08 |
| AU569138B2 (en) | 1988-01-21 |
| JPS60199618A (ja) | 1985-10-09 |
| US4534723A (en) | 1985-08-13 |
| EP0152330A3 (en) | 1987-08-19 |
| CA1246985A (en) | 1988-12-20 |
| DE3582339D1 (de) | 1991-05-08 |
| EP0152330B1 (en) | 1991-04-03 |
| EP0152330A2 (en) | 1985-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0079952B1 (en) | Molds and procedure for producing truncated contact lenses | |
| EP0359539B1 (en) | Spuncast compound lens and method of manufacture | |
| CA1075419A (en) | Apparatus for the production of contact lenses and processs for the utilization thereof | |
| US4208364A (en) | Process for the production of contact lenses | |
| US4517139A (en) | Device and method for centrifugally casting articles on a continuous basis | |
| JPH0227129B2 (enExample) | ||
| CA1235274A (en) | Device with automatic feed means for centrifugally casting articles | |
| US4647261A (en) | Cutting device and method for the precision trimming of the edge of a cast lens | |
| US4469646A (en) | Method of molding plastic contact lenses | |
| US4517138A (en) | Device and method for centrifugally casting articles | |
| CA1176414A (en) | Molded toric contact lenses | |
| US4517140A (en) | Device and method for centrifugally casting articles | |
| US4584148A (en) | Method for the precision trimming of the edge of a centrifugally cast lens | |
| US4468184A (en) | Gas feed means for use in centrifugal casting devices | |
| AU569089B2 (en) | Improvements relating to molding hydrosel contact lenses | |
| JPH0316892B2 (enExample) | ||
| CA2019685C (en) | Spuncast compound lens and method of manufacture | |
| CA1236662A (en) | Device and method for centrifugally casting articles | |
| JP2950866B2 (ja) | スパン注型複合レンズ及び製造方法 | |
| CA1218545A (en) | Molds and procedure for producing truncated contact lenses | |
| IE56239B1 (en) | Device and method for centrifugally casting articles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |