IL97175A - Pattern for casting contact lenses - Google Patents

Pattern for casting contact lenses

Info

Publication number
IL97175A
IL97175A IL9717591A IL9717591A IL97175A IL 97175 A IL97175 A IL 97175A IL 9717591 A IL9717591 A IL 9717591A IL 9717591 A IL9717591 A IL 9717591A IL 97175 A IL97175 A IL 97175A
Authority
IL
Israel
Prior art keywords
casting mould
contact lens
mould halves
halves
female part
Prior art date
Application number
IL9717591A
Other languages
English (en)
Hebrew (he)
Other versions
IL97175A0 (en
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of IL97175A0 publication Critical patent/IL97175A0/xx
Publication of IL97175A publication Critical patent/IL97175A/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
    • B29D11/00057—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
    • 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
    • B29C33/20—Opening, closing or clamping
    • B29C33/202—Clamping means operating on closed or nearly closed mould parts, the clamping means being independently movable of the opening or closing means
    • 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
    • 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
    • B29C39/40—Compensating volume change, e.g. retraction

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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Led Device Packages (AREA)
  • Push-Button Switches (AREA)
  • Table Devices Or Equipment (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Materials For Photolithography (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Lens Barrels (AREA)
IL9717591A 1990-03-16 1991-02-07 Pattern for casting contact lenses IL97175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH87390 1990-03-16

Publications (2)

Publication Number Publication Date
IL97175A0 IL97175A0 (en) 1992-05-25
IL97175A true IL97175A (en) 1996-01-31

Family

ID=4197163

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9717591A IL97175A (en) 1990-03-16 1991-02-07 Pattern for casting contact lenses

Country Status (13)

Country Link
EP (1) EP0447361B1 (pt)
JP (1) JP3035673B2 (pt)
KR (1) KR0160779B1 (pt)
AT (1) ATE106317T1 (pt)
AU (1) AU639538B2 (pt)
CA (1) CA2038283A1 (pt)
DE (1) DE59101743D1 (pt)
DK (1) DK0447361T3 (pt)
ES (1) ES2054472T3 (pt)
HK (1) HK205696A (pt)
IE (1) IE64685B1 (pt)
IL (1) IL97175A (pt)
PT (1) PT97018B (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
US5238388A (en) * 1991-12-06 1993-08-24 Johnson & Johnson Vision Products, Inc. Ophthalmic lens mold seal
US5326505A (en) * 1992-12-21 1994-07-05 Johnson & Johnson Vision Products, Inc. Method for treating an ophthalmic lens mold
US5573715A (en) * 1992-12-21 1996-11-12 Johnson & Johnson Vision Products, Inc. Method for treating an ophthalmic lens mold
US5407062A (en) * 1994-01-28 1995-04-18 Bausch & Lomb Incorporated Contact lens mold packaging
US5540410A (en) * 1994-06-10 1996-07-30 Johnson & Johnson Vision Prod Mold halves and molding assembly for making contact lenses
DE19727671C2 (de) * 1997-06-30 2000-04-13 Woehlk Contact Linsen Gmbh Vorrichtung zur Herstellung von Formkörpern aus einer polymerisierbaren Mischung
US6592356B1 (en) * 1999-05-05 2003-07-15 Johnson & Johnson Vision Care, Inc. Mold, molding system and molding machine for making ophthalmic devices
USD458023S1 (en) 1999-10-13 2002-06-04 Johnson & Johnson Vision Care, Inc. Contact lens container
US6368522B1 (en) 2000-01-03 2002-04-09 Johnson & Johnson Vision Care, Inc. Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
EP1441898B1 (en) * 2001-10-11 2008-08-20 Coopervision International Holding Company, LP. Insert and method for cast molding contact lenses with a rounded edge form
KR100882283B1 (ko) * 2005-05-03 2009-03-06 정규선 콘택트렌즈 제조장치
US7850878B2 (en) 2007-12-31 2010-12-14 Bausch & Lomb Incorporated Method of forming a biomedical device including an ophthalmic device
CN101890817B (zh) * 2009-05-22 2013-11-20 鸿富锦精密工业（深圳）有限公司 压印成型透镜阵列的方法
KR200476473Y1 (ko) * 2014-08-28 2015-03-09 김규만 콘택트렌즈 제조용 주형 및 오목주형 성형장치
CA2985739C (en) * 2015-05-13 2019-02-26 Bausch & Lomb Incorporated Cast molding toric contact lenses

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1779712A1 (de) * 1968-09-14 1971-09-09 Wilhelm Lehnhardt Vorrichtung zum Herstellen von in sich geschlossenen Bauteilen,insbesondere Fensterrahmen u.dgl.aus von einem glasfaserverstaerkten Giessharzmantel umgebenen Kern
GB8601967D0 (en) * 1986-01-28 1986-03-05 Coopervision Optics Manufacturing contact lenses
GB2216065A (en) * 1988-02-24 1989-10-04 Galley Geoffrey H Contact lens production
GB8900616D0 (en) * 1989-01-12 1989-03-08 Galley Geoffrey H Methods of manufacturing contact lenses

Also Published As

Publication number Publication date
JPH04226310A (ja) 1992-08-17
KR910016472A (ko) 1991-11-05
EP0447361B1 (de) 1994-06-01
AU639538B2 (en) 1993-07-29
JP3035673B2 (ja) 2000-04-24
PT97018A (pt) 1993-05-31
IE910891A1 (en) 1991-10-09
IL97175A0 (en) 1992-05-25
DE59101743D1 (de) 1994-07-07
IE64685B1 (en) 1995-08-23
DK0447361T3 (da) 1994-06-20
PT97018B (pt) 1998-10-30
EP0447361A1 (de) 1991-09-18
ES2054472T3 (es) 1994-08-01
HK205696A (en) 1996-11-22
ATE106317T1 (de) 1994-06-15
KR0160779B1 (ko) 1999-01-15
CA2038283A1 (en) 1991-09-17
AU7357891A (en) 1991-09-19

Similar Documents

Publication Publication Date Title
US5252056A (en) Contact lens casting mould
AU639538B2 (en) Contact lens casting mould
US5407062A (en) Contact lens mold packaging
JP3370327B2 (ja) レンズの成形方法および装置
EP0985520B1 (en) Mold assembly for forming opthalmic lens, method of producing the same, and method of producing opthalmic lens using the mold assembly
EP0383425B1 (en) Moulds for manufacturing contact lenses
US4208364A (en) Process for the production of contact lenses
US4208365A (en) Method and apparatus for molding toric contact lenses
US4121896A (en) Apparatus for the production of contact lenses
AU601398B2 (en) Moulding contact lenses
US4155962A (en) Method of removing molded lenses from the mold
EP2643152B1 (en) Contact lens manufacturing method
US4562018A (en) Method of casting optical surfaces on lens blanks
EP0970801B1 (en) Mold assembly for forming ophthalmic lens
US4239712A (en) Method of making bifocal contact lenses
US20040099971A1 (en) Lens molds and method of using the same
US4659524A (en) Method of molding bifocal contact lenses
US4457880A (en) Method of making contact lens blanks
US6419860B1 (en) Device for the production of optical lenses of polymerizable material
CA1235263A (en) Lens casting mold
JPH0780860A (ja) コンタクトレンズ製造用の樹脂型およびそれを用いたコンタクトレンズの製造方法
GB2082957A (en) An Improved Method of Making Bifocal Contact Lenses

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
HC Change of name of proprietor(s)
MM9K Patent not in force due to non-payment of renewal fees