GB8919532D0 - Contact lens mould - Google Patents

Contact lens mould

Info

Publication number
GB8919532D0
GB8919532D0 GB898919532A GB8919532A GB8919532D0 GB 8919532 D0 GB8919532 D0 GB 8919532D0 GB 898919532 A GB898919532 A GB 898919532A GB 8919532 A GB8919532 A GB 8919532A GB 8919532 D0 GB8919532 D0 GB 8919532D0
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.)
Pending
Application number
GB898919532A
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.)
MJS Scientific Ltd
Original Assignee
MJS Scientific 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 MJS Scientific Ltd filed Critical MJS Scientific Ltd
Priority to GB898919532A priority Critical patent/GB8919532D0/en
Publication of GB8919532D0 publication Critical patent/GB8919532D0/en
Priority to GB9017839A priority patent/GB2235407B/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/26—Moulds or cores
    • 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
    • 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
    • B29D11/0048—Moulds for lenses
    • B29D11/005—Moulds for lenses having means for aligning the front and back moulds
    • 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
    • B29C37/005—Compensating volume or shape change during moulding, in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers

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)
GB898919532A 1989-08-29 1989-08-29 Contact lens mould Pending GB8919532D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB898919532A GB8919532D0 (en) 1989-08-29 1989-08-29 Contact lens mould
GB9017839A GB2235407B (en) 1989-08-29 1990-08-14 Contact lens mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898919532A GB8919532D0 (en) 1989-08-29 1989-08-29 Contact lens mould

Publications (1)

Publication Number Publication Date
GB8919532D0 true GB8919532D0 (en) 1989-10-11

Family

ID=10662221

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898919532A Pending GB8919532D0 (en) 1989-08-29 1989-08-29 Contact lens mould
GB9017839A Expired - Fee Related GB2235407B (en) 1989-08-29 1990-08-14 Contact lens mould

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9017839A Expired - Fee Related GB2235407B (en) 1989-08-29 1990-08-14 Contact lens mould

Country Status (1)

Country Link
GB (2) GB8919532D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5620720A (en) * 1994-11-29 1997-04-15 Allergan Cast molding of intraocular lenses
EP1152883A1 (en) * 1999-12-09 2001-11-14 Johnson & Johnson Vision Care, Inc. Molds for use in contact lens production
US8287269B2 (en) * 2005-12-12 2012-10-16 Johnson & Johnson Vision Care, Inc. Molds for use in contact lens production
US9283718B2 (en) * 2012-05-25 2016-03-15 Johnson & Johnson Vision Care, Inc. Reduced-tilt back plastic feature for a contact lens mold
CA2985739C (en) 2015-05-13 2019-02-26 Bausch & Lomb Incorporated Cast molding toric contact lenses

Also Published As

Publication number Publication date
GB2235407A (en) 1991-03-06
GB9017839D0 (en) 1990-09-26
GB2235407B (en) 1993-01-13

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