GB2187999B - Contact lens mould - Google Patents

Contact lens mould

Info

Publication number
GB2187999B
GB2187999B GB8705862A GB8705862A GB2187999B GB 2187999 B GB2187999 B GB 2187999B GB 8705862 A GB8705862 A GB 8705862A GB 8705862 A GB8705862 A GB 8705862A GB 2187999 B GB2187999 B GB 2187999B
Authority
GB
United Kingdom
Prior art keywords
contact lens
lens mould
mould
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
Application number
GB8705862A
Other versions
GB2187999A (en
GB8705862D0 (en
Inventor
Michael James Sealey
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
Publication of GB8705862D0 publication Critical patent/GB8705862D0/en
Publication of GB2187999A publication Critical patent/GB2187999A/en
Application granted granted Critical
Publication of GB2187999B publication Critical patent/GB2187999B/en
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
    • B29D11/00009—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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB8705862A 1986-03-17 1987-03-12 Contact lens mould Expired GB2187999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868606505A GB8606505D0 (en) 1986-03-17 1986-03-17 Contact lens mould

Publications (3)

Publication Number Publication Date
GB8705862D0 GB8705862D0 (en) 1987-04-15
GB2187999A GB2187999A (en) 1987-09-23
GB2187999B true GB2187999B (en) 1989-06-28

Family

ID=10594724

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868606505A Pending GB8606505D0 (en) 1986-03-17 1986-03-17 Contact lens mould
GB8705862A Expired GB2187999B (en) 1986-03-17 1987-03-12 Contact lens mould

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868606505A Pending GB8606505D0 (en) 1986-03-17 1986-03-17 Contact lens mould

Country Status (1)

Country Link
GB (2) GB8606505D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4865779A (en) * 1987-12-15 1989-09-12 Minnesota Mining And Manufacturing Company Lens molding apparatus and method
US5137441A (en) * 1990-10-30 1992-08-11 Minnesota Mining And Manufacturing Company Mold assembly for making an ocular lens blank
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
IL102556A (en) * 1991-08-16 1998-02-08 Johnson & Johnson Vision Prod Apparatus and method for releasably fusing mold lens pieces
US5238388A (en) * 1991-12-06 1993-08-24 Johnson & Johnson Vision Products, Inc. Ophthalmic lens mold seal
JP2003011139A (en) * 2001-06-27 2003-01-15 Menicon Co Ltd Mold for molding contact lens and method for manufacturing contact lens

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1338965A (en) * 1970-10-19 1973-11-28 Lunetterie Et Doptique Ratione Manufacture of contact lenses
US4138086A (en) * 1977-04-28 1979-02-06 Nippon Contact Lens Manufacturing Ltd. Mold for manufacturing contact lenses
US4208365A (en) * 1978-12-20 1980-06-17 National Patent Development Corporation Method and apparatus for molding toric contact lenses
US4208364A (en) * 1976-03-24 1980-06-17 Shepherd Thomas H Process for the production of contact lenses
US4285890A (en) * 1977-04-28 1981-08-25 Nippon Contact Lens Manufacturing Ltd. Method for manufacturing silicone contact lenses

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1338965A (en) * 1970-10-19 1973-11-28 Lunetterie Et Doptique Ratione Manufacture of contact lenses
US4208364A (en) * 1976-03-24 1980-06-17 Shepherd Thomas H Process for the production of contact lenses
US4138086A (en) * 1977-04-28 1979-02-06 Nippon Contact Lens Manufacturing Ltd. Mold for manufacturing contact lenses
US4285890A (en) * 1977-04-28 1981-08-25 Nippon Contact Lens Manufacturing Ltd. Method for manufacturing silicone contact lenses
US4208365A (en) * 1978-12-20 1980-06-17 National Patent Development Corporation Method and apparatus for molding toric contact lenses

Also Published As

Publication number Publication date
GB8606505D0 (en) 1986-04-23
GB2187999A (en) 1987-09-23
GB8705862D0 (en) 1987-04-15

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990312