GB2329356B - Contact Lens Manufacture - Google Patents

Contact Lens Manufacture

Info

Publication number
GB2329356B
GB2329356B GB9719867A GB9719867A GB2329356B GB 2329356 B GB2329356 B GB 2329356B GB 9719867 A GB9719867 A GB 9719867A GB 9719867 A GB9719867 A GB 9719867A GB 2329356 B GB2329356 B GB 2329356B
Authority
GB
United Kingdom
Prior art keywords
contact lens
lens manufacture
manufacture
contact
lens
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
Application number
GB9719867A
Other versions
GB2329356A (en
GB9719867D0 (en
Inventor
William R Mccall
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9719867A priority Critical patent/GB2329356B/en
Publication of GB9719867D0 publication Critical patent/GB9719867D0/en
Publication of GB2329356A publication Critical patent/GB2329356A/en
Application granted granted Critical
Publication of GB2329356B publication Critical patent/GB2329356B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29D11/00009—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
    • 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
    • B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB9719867A 1997-09-19 1997-09-19 Contact Lens Manufacture Expired - Fee Related GB2329356B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9719867A GB2329356B (en) 1997-09-19 1997-09-19 Contact Lens Manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9719867A GB2329356B (en) 1997-09-19 1997-09-19 Contact Lens Manufacture

Publications (3)

Publication Number Publication Date
GB9719867D0 GB9719867D0 (en) 1997-11-19
GB2329356A GB2329356A (en) 1999-03-24
GB2329356B true GB2329356B (en) 2002-07-03

Family

ID=10819276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9719867A Expired - Fee Related GB2329356B (en) 1997-09-19 1997-09-19 Contact Lens Manufacture

Country Status (1)

Country Link
GB (1) GB2329356B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8287269B2 (en) 2005-12-12 2012-10-16 Johnson & Johnson Vision Care, Inc. Molds for use in contact lens production
GB2521628A (en) * 2013-12-23 2015-07-01 Sauflon Cl Ltd Contact lens mould

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB685759A (en) * 1949-04-26 1953-01-14 American Optical Corp Improvements in or relating to contact lenses and blanks therefor
GB982528A (en) * 1962-11-19 1965-02-03 Combined Optical Ind Ltd Manufacture of lenses
US4208364A (en) * 1976-03-24 1980-06-17 Shepherd Thomas H Process for the production of contact lenses
GB2160677A (en) * 1984-06-18 1985-12-24 Ceskoslovenska Akademie Ved Toric contact lens with the centre of gravity displaced towards its edge, and moulds therefor
GB2185933A (en) * 1986-01-28 1987-08-05 Coopervision Optics Moulding contact lenses
US4985186A (en) * 1986-04-11 1991-01-15 Canon Kabushiki Kaisha Process for producing optical element

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB685759A (en) * 1949-04-26 1953-01-14 American Optical Corp Improvements in or relating to contact lenses and blanks therefor
GB982528A (en) * 1962-11-19 1965-02-03 Combined Optical Ind Ltd Manufacture of lenses
US4208364A (en) * 1976-03-24 1980-06-17 Shepherd Thomas H Process for the production of contact lenses
GB2160677A (en) * 1984-06-18 1985-12-24 Ceskoslovenska Akademie Ved Toric contact lens with the centre of gravity displaced towards its edge, and moulds therefor
GB2185933A (en) * 1986-01-28 1987-08-05 Coopervision Optics Moulding contact lenses
US4985186A (en) * 1986-04-11 1991-01-15 Canon Kabushiki Kaisha Process for producing optical element

Also Published As

Publication number Publication date
GB2329356A (en) 1999-03-24
GB9719867D0 (en) 1997-11-19

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Legal Events

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

Effective date: 20110919