SG10202101802PA - Process for dispensing a contact lens forming fluid material - Google Patents

Process for dispensing a contact lens forming fluid material

Info

Publication number
SG10202101802PA
SG10202101802PA SG10202101802PA SG10202101802PA SG10202101802PA SG 10202101802P A SG10202101802P A SG 10202101802PA SG 10202101802P A SG10202101802P A SG 10202101802PA SG 10202101802P A SG10202101802P A SG 10202101802PA SG 10202101802P A SG10202101802P A SG 10202101802PA
Authority
SG
Singapore
Prior art keywords
dispensing
contact lens
fluid material
lens forming
forming fluid
Prior art date
Application number
SG10202101802PA
Inventor
Alice Weimin Liu
Steve Crowley
Original Assignee
Alcon Inc
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 Alcon Inc filed Critical Alcon Inc
Publication of SG10202101802PA publication Critical patent/SG10202101802PA/en

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
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/042—Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the 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
    • 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
    • B29C39/24—Feeding the material into the mould
    • 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
    • B29C39/42—Casting under special conditions, e.g. vacuum
    • 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
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Robotics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
SG10202101802PA 2016-08-30 2017-08-28 Process for dispensing a contact lens forming fluid material SG10202101802PA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201662381275P 2016-08-30 2016-08-30

Publications (1)

Publication Number Publication Date
SG10202101802PA true SG10202101802PA (en) 2021-04-29

Family

ID=59974734

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10202101802PA SG10202101802PA (en) 2016-08-30 2017-08-28 Process for dispensing a contact lens forming fluid material
SG11201811717VA SG11201811717VA (en) 2016-08-30 2017-08-28 Process for dispensing a contact lens forming fluid material

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201811717VA SG11201811717VA (en) 2016-08-30 2017-08-28 Process for dispensing a contact lens forming fluid material

Country Status (5)

Country Link
US (1) US20180056613A1 (en)
EP (1) EP3507086A1 (en)
CN (1) CN109641411A (en)
SG (2) SG10202101802PA (en)
WO (1) WO2018042315A1 (en)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938392A (en) * 1970-01-16 1976-02-17 Rodrigues Associates, Inc. Pipette
GB8601967D0 (en) 1986-01-28 1986-03-05 Coopervision Optics Manufacturing contact lenses
ATE147323T1 (en) 1988-11-02 1997-01-15 British Tech Group CASTING AND PACKAGING CONTACT LENSES
US6800225B1 (en) 1994-07-14 2004-10-05 Novartis Ag Process and device for the manufacture of mouldings and mouldings manufactured in accordance with that process
US5894002A (en) 1993-12-13 1999-04-13 Ciba Vision Corporation Process and apparatus for the manufacture of a contact lens
US5804107A (en) * 1994-06-10 1998-09-08 Johnson & Johnson Vision Products, Inc. Consolidated contact lens molding
US5656208A (en) * 1994-06-10 1997-08-12 Johnson & Johnson Vision Products, Inc. Method and apparatus for contact lens mold filling and assembly
US5658602A (en) * 1994-06-10 1997-08-19 Johnson & Johnson Vision Products, Inc. Method and apparatus for contact lens mold filling and assembly
TW429327B (en) 1997-10-21 2001-04-11 Novartis Ag Single mould alignment
US7008570B2 (en) * 2001-08-09 2006-03-07 Stephen Pegram Method and apparatus for contact lens mold assembly
US7384590B2 (en) 2002-12-17 2008-06-10 Novartis Ag System and method for curing polymeric moldings
US7387759B2 (en) 2002-12-17 2008-06-17 Novartis Ag System and method for curing polymeric moldings having a masking collar
FR2850319B1 (en) * 2003-01-24 2005-03-04 Essilor Int METHOD FOR FILLING A MOLD WITH LIQUID ORGANIC MATERIAL FOR MOLDING AN OPTICAL MEMBER, AND MOLDING METHOD INCLUDING THE FILLING METHOD
FR2850443B1 (en) * 2003-01-24 2005-03-04 Essilor Int POINTEAU VALVE FOR FILLING A MOLD WITH LIQUID ORGANIC MATERIAL AND METHOD FOR MOLDING AN OPTICAL MEMBER USING SUCH A VALVE
US20060202368A1 (en) * 2005-03-09 2006-09-14 Yasuo Matsuzawa Method for producing contact lenses
US20080239237A1 (en) * 2007-03-30 2008-10-02 Ansell Scott F Molds with thermoplastic elastomers for producing ophthalmic lenses
HUE031918T2 (en) * 2009-12-17 2017-08-28 Novartis Ag Process and apparatus for dispensing a flowable material into a mold
HUE039910T2 (en) 2009-12-17 2019-02-28 Novartis Ag Method and apparatus for dosing a lens forming material into a mold
CN103038055B (en) * 2010-07-09 2015-12-02 库柏维景国际控股公司 Polar thermoplastic ophthalmic lens mold, wherein molded ophthalmic lens and correlation technique

Also Published As

Publication number Publication date
US20180056613A1 (en) 2018-03-01
WO2018042315A1 (en) 2018-03-08
SG11201811717VA (en) 2019-03-28
EP3507086A1 (en) 2019-07-10
CN109641411A (en) 2019-04-16

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