GB1488001A - Contact lenses - Google Patents

Contact lenses

Info

Publication number
GB1488001A
GB1488001A GB4677573A GB4677573A GB1488001A GB 1488001 A GB1488001 A GB 1488001A GB 4677573 A GB4677573 A GB 4677573A GB 4677573 A GB4677573 A GB 4677573A GB 1488001 A GB1488001 A GB 1488001A
Authority
GB
United Kingdom
Prior art keywords
lens
blank
machining
support
edge
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
Application number
GB4677573A
Other languages
English (en)
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.)
GLOBAL VISION Ltd
Original Assignee
GLOBAL VISION Ltd
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 GLOBAL VISION Ltd filed Critical GLOBAL VISION Ltd
Priority to GB4677573A priority Critical patent/GB1488001A/en
Priority to JP11398674A priority patent/JPS5641361B2/ja
Priority to IT2799474A priority patent/IT1022556B/it
Priority to CA210,694A priority patent/CA1028881A/en
Priority to DE19742447490 priority patent/DE2447490C2/de
Priority to ES430697A priority patent/ES430697A1/es
Priority to NL7413141A priority patent/NL178852C/xx
Priority to FR7433545A priority patent/FR2246369B1/fr
Priority to BE149272A priority patent/BE820771A/xx
Priority to US05/610,244 priority patent/US4084458A/en
Publication of GB1488001A publication Critical patent/GB1488001A/en
Priority to CA295,342A priority patent/CA1049818A/en
Priority to JP464980A priority patent/JPS56157945A/ja
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Eyeglasses (AREA)
  • Turning (AREA)
GB4677573A 1973-10-06 1973-10-06 Contact lenses Expired GB1488001A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB4677573A GB1488001A (en) 1973-10-06 1973-10-06 Contact lenses
JP11398674A JPS5641361B2 (enrdf_load_stackoverflow) 1973-10-06 1973-10-06
IT2799474A IT1022556B (it) 1973-10-06 1974-10-02 Procedimento e macchina per fabbricare lenti a contatto molli nonchelenti a contatio cosi ottenute
CA210,694A CA1028881A (en) 1973-10-06 1974-10-03 Manufacture of contact lenses
ES430697A ES430697A1 (es) 1973-10-06 1974-10-04 Un metodo de fabricar una lente de contacto.
DE19742447490 DE2447490C2 (de) 1973-10-06 1974-10-04 Verfahren und Vorrichtung zum Herstellen von weichen Kontaktlinsen
NL7413141A NL178852C (nl) 1973-10-06 1974-10-04 Werkwijze en inrichting voor de vervaardiging van een zachte contactlens.
FR7433545A FR2246369B1 (enrdf_load_stackoverflow) 1973-10-06 1974-10-04
BE149272A BE820771A (fr) 1973-10-06 1974-10-07 Fabrication de lentilles dites de contact
US05/610,244 US4084458A (en) 1973-10-06 1975-09-29 Manufacture of contact lenses
CA295,342A CA1049818A (en) 1973-10-06 1978-01-20 Apparatus for the manufacture of contact lenses
JP464980A JPS56157945A (en) 1973-10-06 1980-01-21 Manufacturing device for contact lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4677573A GB1488001A (en) 1973-10-06 1973-10-06 Contact lenses

Publications (1)

Publication Number Publication Date
GB1488001A true GB1488001A (en) 1977-10-05

Family

ID=10442545

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4677573A Expired GB1488001A (en) 1973-10-06 1973-10-06 Contact lenses

Country Status (9)

Country Link
JP (2) JPS5641361B2 (enrdf_load_stackoverflow)
BE (1) BE820771A (enrdf_load_stackoverflow)
CA (1) CA1028881A (enrdf_load_stackoverflow)
DE (1) DE2447490C2 (enrdf_load_stackoverflow)
ES (1) ES430697A1 (enrdf_load_stackoverflow)
FR (1) FR2246369B1 (enrdf_load_stackoverflow)
GB (1) GB1488001A (enrdf_load_stackoverflow)
IT (1) IT1022556B (enrdf_load_stackoverflow)
NL (1) NL178852C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745672A (en) * 1982-05-14 1988-05-24 Sealey Michael J Method of manufacturing contact lenses

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6321552U (enrdf_load_stackoverflow) * 1977-08-02 1988-02-12
FR2509483A1 (fr) * 1981-04-15 1983-01-14 Essilor Int Lentille de contact

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112581A (en) * 1961-02-03 1963-12-03 Hoffman Jacob Contact lens finishing machine
DE1495381B2 (de) * 1963-09-07 1971-06-24 Czeskoslovenska akademie ved , Prag Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen
FR2195930A5 (enrdf_load_stackoverflow) * 1972-08-10 1974-03-08 Bausch & Lomb

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745672A (en) * 1982-05-14 1988-05-24 Sealey Michael J Method of manufacturing contact lenses
US5115553A (en) * 1982-05-14 1992-05-26 The Cooper Companies, Inc. Contact lens manufacturing apparatus

Also Published As

Publication number Publication date
JPS56157945A (en) 1981-12-05
FR2246369B1 (enrdf_load_stackoverflow) 1978-07-07
DE2447490A1 (de) 1975-04-17
JPS5078339A (enrdf_load_stackoverflow) 1975-06-26
CA1028881A (en) 1978-04-04
NL7413141A (nl) 1975-04-08
ES430697A1 (es) 1977-04-16
IT1022556B (it) 1978-04-20
NL178852C (nl) 1986-06-02
DE2447490C2 (de) 1985-11-07
JPS5641361B2 (enrdf_load_stackoverflow) 1981-09-28
NL178852B (nl) 1986-01-02
BE820771A (fr) 1975-02-03
FR2246369A1 (enrdf_load_stackoverflow) 1975-05-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921003