DE2760153C2 - Verfahren zur Herstellung von Kontaktlinsen - Google Patents

Verfahren zur Herstellung von Kontaktlinsen

Info

Publication number
DE2760153C2
DE2760153C2 DE2760153A DE2760153A DE2760153C2 DE 2760153 C2 DE2760153 C2 DE 2760153C2 DE 2760153 A DE2760153 A DE 2760153A DE 2760153 A DE2760153 A DE 2760153A DE 2760153 C2 DE2760153 C2 DE 2760153C2
Authority
DE
Germany
Prior art keywords
mold
lenses
mold halves
contact lenses
mold half
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
DE2760153A
Other languages
German (de)
English (en)
Inventor
Thomas H. Hopewell N.J. Shepherd
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 Inc
Original Assignee
Coopervision Inc San Jose Calif
CooperVision 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 Coopervision Inc San Jose Calif, CooperVision Inc filed Critical Coopervision Inc San Jose Calif
Application granted granted Critical
Publication of DE2760153C2 publication Critical patent/DE2760153C2/de
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
    • B29D11/0048—Moulds for lenses
    • B29D11/00519—Reusable 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
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/76—Office equipment or accessories
    • B29L2031/7602—Maps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/044—Rubber mold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
DE2760153A 1976-03-24 1977-03-22 Verfahren zur Herstellung von Kontaktlinsen Expired DE2760153C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/670,031 US4121896A (en) 1976-03-24 1976-03-24 Apparatus for the production of contact lenses

Publications (1)

Publication Number Publication Date
DE2760153C2 true DE2760153C2 (de) 1986-01-23

Family

ID=24688696

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2760153A Expired DE2760153C2 (de) 1976-03-24 1977-03-22 Verfahren zur Herstellung von Kontaktlinsen
DE2712437A Expired - Lifetime DE2712437C2 (de) 1976-03-24 1977-03-22 Form aus thermoplastischem Material zur Herstellung von Kontaktlinsen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE2712437A Expired - Lifetime DE2712437C2 (de) 1976-03-24 1977-03-22 Form aus thermoplastischem Material zur Herstellung von Kontaktlinsen

Country Status (24)

Country Link
US (1) US4121896A (enEXAMPLES)
JP (1) JPS5929411B2 (enEXAMPLES)
AR (1) AR221685A1 (enEXAMPLES)
AT (1) AT368940B (enEXAMPLES)
AU (1) AU510468B2 (enEXAMPLES)
BE (1) BE852755A (enEXAMPLES)
BR (1) BR7701752A (enEXAMPLES)
CA (1) CA1075419A (enEXAMPLES)
CH (1) CH631652A5 (enEXAMPLES)
DE (2) DE2760153C2 (enEXAMPLES)
DK (1) DK147357C (enEXAMPLES)
ES (1) ES456927A1 (enEXAMPLES)
FR (1) FR2345279A1 (enEXAMPLES)
GB (1) GB1575694A (enEXAMPLES)
IE (1) IE44908B1 (enEXAMPLES)
IL (1) IL51711A (enEXAMPLES)
IN (1) IN147193B (enEXAMPLES)
IT (1) IT1073486B (enEXAMPLES)
MX (1) MX145158A (enEXAMPLES)
NL (1) NL180186C (enEXAMPLES)
NZ (1) NZ183685A (enEXAMPLES)
SE (1) SE460078B (enEXAMPLES)
SU (1) SU674658A3 (enEXAMPLES)
ZA (1) ZA771723B (enEXAMPLES)

Families Citing this family (103)

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US4191717A (en) * 1977-05-13 1980-03-04 Weber Hermann P Casting process for plastic lenses
DE2839249A1 (de) * 1977-09-12 1979-03-22 Toray Industries Verfahren zur herstellung einer weichen kontaktlinse und ausgangsloesung zur durchfuehrung des verfahrens
US4167385A (en) * 1978-02-02 1979-09-11 J. M. Leaver Concrete mold
FR2416104A1 (fr) * 1978-02-07 1979-08-31 Essilor Int Dispositif de moulage, en particulier pour lentille de contact souple
US4364878A (en) * 1978-08-10 1982-12-21 Omnitech Inc. Method for molding ophthalmic lenses
US4208365A (en) * 1978-12-20 1980-06-17 National Patent Development Corporation Method and apparatus for molding toric contact lenses
US4209289A (en) * 1979-05-14 1980-06-24 American Optical Corporation Contact lens mold
US4247492A (en) * 1979-06-28 1981-01-27 Neefe Optical Laboratory, Inc. Method of controlling the adhesion of cast lenses to the mold
FR2477059A1 (fr) * 1980-02-28 1981-09-04 Medicornea Sa Procede de fabrication par moulage de lentilles de contact et lentilles obtenues
US4284399A (en) * 1980-06-23 1981-08-18 American Optical Corporation Contact lens mold
US4407766A (en) * 1981-05-26 1983-10-04 National Patent Development Corporation Molds and procedure for producing truncated contact lenses
GB2117807A (en) * 1982-03-31 1983-10-19 Rolls Royce Refractory material
GB8311788D0 (en) * 1983-04-29 1983-06-02 Coopervision Uk Hydrogel contact lenses
JPS60501426A (ja) * 1983-05-26 1985-08-29 アラーガン・インコーポレーテッド 三曲面親水性コンタクトレンズの金属製種型及び該種型の光学表面の製造法
AU582123B2 (en) * 1983-08-30 1989-03-16 Iolco Pty Ltd Intraocular lens implants
USD281505S (en) 1983-10-17 1985-11-26 Mia Lens Production A/S Molding frame for lenses
JPS60112408A (ja) * 1983-11-24 1985-06-18 Hoya Corp 眼鏡用プラスチックレンズの製造方法
JPS60112407A (ja) * 1983-11-24 1985-06-18 Hoya Corp 眼鏡用プラスチックレンズの製造方法
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GB8507007D0 (en) * 1985-03-19 1985-04-24 Coopervision Optics Casting lenses
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US4820038A (en) * 1986-08-14 1989-04-11 Coopervision, Inc. Hydrogel contact lens
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US4782946A (en) * 1987-09-17 1988-11-08 Allergan, Inc. Soft contact lens hydration device and kit
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US4865779A (en) * 1987-12-15 1989-09-12 Minnesota Mining And Manufacturing Company Lens molding apparatus and method
US4815690A (en) * 1988-02-09 1989-03-28 Shepherd Thomas H Apparatus for the production of monolithic intraocular implants
US5252056A (en) * 1990-03-16 1993-10-12 Ciba-Geigy Corporation Contact lens casting mould
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
JP2545311Y2 (ja) * 1990-10-30 1997-08-25 ミネソタ マイニング アンド マニュファクチャリング カンパニー 眼科用具製造用成形型組立体
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US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
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KR100259225B1 (ko) * 1992-09-29 2000-06-15 스티븐 에이. 헬렁 플라스틱 주형 제조 방법
US5326505A (en) * 1992-12-21 1994-07-05 Johnson & Johnson Vision Products, Inc. Method for treating an ophthalmic lens mold
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US5407062A (en) * 1994-01-28 1995-04-18 Bausch & Lomb Incorporated Contact lens mold packaging
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US5681510A (en) † 1994-10-13 1997-10-28 Bausch & Lomb Incorporated Method for treating plastic mold pieces
US5620720A (en) * 1994-11-29 1997-04-15 Allergan Cast molding of intraocular lenses
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US6444145B1 (en) 1999-09-03 2002-09-03 Johnson & Johnson Vision Products, Inc. Molds for use in contact lens production
USD458023S1 (en) 1999-10-13 2002-06-04 Johnson & Johnson Vision Care, Inc. Contact lens container
DE60042841D1 (de) * 1999-12-16 2009-10-08 Asahikasei Aime Co Ltd Zum tragen über lange zeiträume geeignete weiche kontaktlinsen
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
US6467903B1 (en) 2000-03-31 2002-10-22 Ocular Sciences, Inc. Contact lens having a uniform horizontal thickness profile
US7628485B2 (en) 2000-03-31 2009-12-08 Coopervision International Holding Company, Lp Contact lens having a uniform horizontal thickness profile
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US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
JP2003011139A (ja) * 2001-06-27 2003-01-15 Menicon Co Ltd コンタクトレンズ用成形型およびそれを用いたコンタクトレンズの製造方法
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US20040119174A1 (en) * 2002-12-19 2004-06-24 Hofmann Gregory J. Method for forming ophthalmic lenses using reusable molds
GB0304148D0 (en) * 2003-02-25 2003-03-26 Concavex Ltd Contact lens mould
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JP4787542B2 (ja) * 2005-05-26 2011-10-05 富士フイルム株式会社 成形用金型および成形品の製造方法
US9102110B2 (en) * 2005-08-09 2015-08-11 Coopervision International Holding Company, Lp Systems and methods for removing lenses from lens molds
US8231218B2 (en) 2006-06-15 2012-07-31 Coopervision International Holding Company, Lp Wettable silicone hydrogel contact lenses and related compositions and methods
US8287782B2 (en) * 2006-08-08 2012-10-16 Coopervision International Holding Company, Lp Interference fitting polar resin ophthalmic lens molding devices and related methods
US8540906B2 (en) 2007-06-14 2013-09-24 Aji Co., Ltd. Method of molding, process for producing lens, molding apparatus, process for producing stamper, master production apparatus, stamper production system, and stamper production apparatus
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US8262952B2 (en) * 2007-10-31 2012-09-11 Bausch & Lomb Incorporated Molds for production of ophthalmic devices
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TWI859401B (zh) 2020-01-27 2024-10-21 新加坡商科萊博新加坡私人有限公司 光化可交聯的聚矽氧烷－聚甘油嵌段共聚物及其製造和使用方法
US11691363B2 (en) * 2020-03-20 2023-07-04 Steris Instrument Management Services, Inc. Method of forming and incorporating a polymeric lens within a lens housing
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US3660545A (en) * 1961-12-27 1972-05-02 Ceskoslovenska Akademie Ved Method of centrifugally casting thin edged corneal contact lenses
DE2507389A1 (de) * 1974-05-27 1975-12-11 Hoya Lens Co Ltd Weichkontaktlinse und verfahren zu ihrer herstellung

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DE2152062A1 (de) * 1970-10-19 1972-04-27 Lunetterie Et D Optique Ration Verfahren,Pressform und Presssteg zur Herstellung von Kontaktlinsen,insbesondere biegsamen Kontaktlinsen
DE2507389A1 (de) * 1974-05-27 1975-12-11 Hoya Lens Co Ltd Weichkontaktlinse und verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
AU510468B2 (en) 1980-06-26
FR2345279A1 (fr) 1977-10-21
DE2712437A1 (de) 1977-10-06
IT1073486B (it) 1985-04-17
AR221685A1 (es) 1981-03-13
CA1075419A (en) 1980-04-15
NZ183685A (en) 1979-11-01
AU2352077A (en) 1978-09-28
DK147357C (da) 1985-01-14
BE852755A (fr) 1977-07-18
DE2712437C2 (de) 1990-08-02
IL51711A0 (en) 1977-05-31
SE7703226L (sv) 1977-09-25
IE44908L (en) 1977-09-24
IN147193B (enEXAMPLES) 1979-12-15
NL180186B (nl) 1986-08-18
GB1575694A (en) 1980-09-24
IL51711A (en) 1980-02-29
ES456927A1 (es) 1978-02-01
JPS5929411B2 (ja) 1984-07-20
CH631652A5 (de) 1982-08-31
IE44908B1 (en) 1982-05-19
MX145158A (es) 1982-01-12
ATA198177A (de) 1982-04-15
SE460078B (sv) 1989-09-04
SU674658A3 (ru) 1979-07-15
FR2345279B1 (enEXAMPLES) 1982-10-01
US4121896A (en) 1978-10-24
BR7701752A (pt) 1978-01-17
AT368940B (de) 1982-11-25
JPS52117647A (en) 1977-10-03
DK122277A (da) 1977-09-25
NL7703034A (nl) 1977-09-27
ZA771723B (en) 1978-11-29
NL180186C (nl) 1987-01-16
DK147357B (da) 1984-07-02

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