GB2533409B - Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses - Google Patents

Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses

Info

Publication number
GB2533409B
GB2533409B GB1422769.8A GB201422769A GB2533409B GB 2533409 B GB2533409 B GB 2533409B GB 201422769 A GB201422769 A GB 201422769A GB 2533409 B GB2533409 B GB 2533409B
Authority
GB
United Kingdom
Prior art keywords
lens mold
contact lens
methods
contact
making
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.)
Active
Application number
GB1422769.8A
Other versions
GB2533409A (en
Inventor
Robert Gibson John
Douglas Sydney Payne Geoffrey
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.)
CooperVision International Holding Co LP
Original Assignee
CooperVision International Holding Co LP
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 CooperVision International Holding Co LP filed Critical CooperVision International Holding Co LP
Priority to GB1422769.8A priority Critical patent/GB2533409B/en
Publication of GB2533409A publication Critical patent/GB2533409A/en
Application granted granted Critical
Publication of GB2533409B publication Critical patent/GB2533409B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • 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
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B29C39/006—Monomers or prepolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—Contact lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB1422769.8A 2014-12-19 2014-12-19 Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses Active GB2533409B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1422769.8A GB2533409B (en) 2014-12-19 2014-12-19 Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1422769.8A GB2533409B (en) 2014-12-19 2014-12-19 Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses

Publications (2)

Publication Number Publication Date
GB2533409A GB2533409A (en) 2016-06-22
GB2533409B true GB2533409B (en) 2018-10-03

Family

ID=56072111

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1422769.8A Active GB2533409B (en) 2014-12-19 2014-12-19 Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses

Country Status (1)

Country Link
GB (1) GB2533409B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0888871A1 (en) * 1997-06-30 1999-01-07 Wöhlk Contact-Linsen GmbH Device for producing objects from a polymerisable mixture and a contact lens made using this device
WO2000059713A1 (en) * 1999-03-31 2000-10-12 Novartis Ag Mold for forming contact lenses
EP1561560A1 (en) * 2002-10-30 2005-08-10 Menicon Co., Ltd. Forming die for contact lens and contact lens manufacturing method using the forming die
EP1752281A2 (en) * 2005-08-09 2007-02-14 CooperVision Inc. Contact lens molds and systems and methods for producing same
US20080102151A1 (en) * 2006-10-30 2008-05-01 Perez Jose L Molds for use in contact lens production
WO2008078395A1 (en) * 2006-12-26 2008-07-03 Menicon Co., Ltd. Process for manufacturing ophthalmic lens and apparatus therefor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0888871A1 (en) * 1997-06-30 1999-01-07 Wöhlk Contact-Linsen GmbH Device for producing objects from a polymerisable mixture and a contact lens made using this device
WO2000059713A1 (en) * 1999-03-31 2000-10-12 Novartis Ag Mold for forming contact lenses
EP1561560A1 (en) * 2002-10-30 2005-08-10 Menicon Co., Ltd. Forming die for contact lens and contact lens manufacturing method using the forming die
EP1752281A2 (en) * 2005-08-09 2007-02-14 CooperVision Inc. Contact lens molds and systems and methods for producing same
US20080102151A1 (en) * 2006-10-30 2008-05-01 Perez Jose L Molds for use in contact lens production
WO2008078395A1 (en) * 2006-12-26 2008-07-03 Menicon Co., Ltd. Process for manufacturing ophthalmic lens and apparatus therefor

Also Published As

Publication number Publication date
GB2533409A (en) 2016-06-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20201231 AND 20210106