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
Application number
JP1637285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60199618A (ja
Inventor
Eru Roringusu Deebitsudo
Ansonii Deiran Maikeru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HORIMATEITSUKU INBESUTOMENTO CORP NV
Original Assignee
HORIMATEITSUKU INBESUTOMENTO CORP NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HORIMATEITSUKU INBESUTOMENTO CORP NV filed Critical HORIMATEITSUKU INBESUTOMENTO CORP NV
Publication of JPS60199618A publication Critical patent/JPS60199618A/ja
Publication of JPH0227129B2 publication Critical patent/JPH0227129B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00932Combined cutting and grinding thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B29/00Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04Tool holders for a single cutting tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/02Deburring or deflashing
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808Lens mold
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/29Cutting by use of rotating axially moving tool with means to deForm work temporarily
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/55Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/561Having tool-opposing, work-engaging surface
    • Y10T408/5623Having tool-opposing, work-engaging surface with presser foot
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/83Tool-support with means to move Tool relative to tool-support
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/384By tool inside hollow work
    • Y10T83/394One tool having unidirectional rotary motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Turning (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP60016372A 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 Granted JPS60199618A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US575250 1984-01-30
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 (2)

Publication Number Publication Date
JPS60199618A JPS60199618A (ja) 1985-10-09
JPH0227129B2 true JPH0227129B2 (en]) 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 (en])
EP (1) EP0152330B1 (en])
JP (1) JPS60199618A (en])
AU (1) AU569138B2 (en])
CA (1) CA1246985A (en])
DE (1) DE3582339D1 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03110428U (en]) * 1990-02-26 1991-11-13

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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
EP3943282A1 (en) * 2020-07-24 2022-01-26 Essilor International Deflashing machine and method of deflashing a lens-mold-assembly

Family Cites Families (18)

* Cited by examiner, † Cited by third party
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
FR2195930A5 (en]) * 1972-08-10 1974-03-08 Bausch & Lomb
US3835596A (en) * 1972-08-10 1974-09-17 Bausch & Lomb Apparatus for and method of removing material from a flexible contact lens
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03110428U (en]) * 1990-02-26 1991-11-13

Also Published As

Publication number Publication date
US4534723A (en) 1985-08-13
EP0152330A3 (en) 1987-08-19
CA1246985A (en) 1988-12-20
AU569138B2 (en) 1988-01-21
JPS60199618A (ja) 1985-10-09
EP0152330A2 (en) 1985-08-21
AU3804785A (en) 1985-08-08
EP0152330B1 (en) 1991-04-03
DE3582339D1 (de) 1991-05-08

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
US4517139A (en) Device and method for centrifugally casting articles on a continuous basis
US4568501A (en) Method and apparatus with automatic feed means for centrifugally casting articles
JPH0227129B2 (en])
US4469646A (en) Method of molding plastic contact lenses
US4517138A (en) Device and method for centrifugally casting articles
CA1176414A (en) Molded toric contact lenses
US4647261A (en) Cutting device and method for the precision trimming of the edge of a cast lens
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 (en])
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
IE56239B1 (en) Device and method for centrifugally casting articles

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees