BR7701752A - Molde e processo para a producao de lentes de contato - Google Patents

Molde e processo para a producao de lentes de contato

Info

Publication number
BR7701752A
BR7701752A BR7701752A BR7701752A BR7701752A BR 7701752 A BR7701752 A BR 7701752A BR 7701752 A BR7701752 A BR 7701752A BR 7701752 A BR7701752 A BR 7701752A BR 7701752 A BR7701752 A BR 7701752A
Authority
BR
Brazil
Prior art keywords
template
production
contact lenses
lenses
contact
Prior art date
Application number
BR7701752A
Other languages
English (en)
Inventor
T Shepherd
Original Assignee
Shepherd Thomas H
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 Shepherd Thomas H filed Critical Shepherd Thomas H
Publication of BR7701752A publication Critical patent/BR7701752A/pt

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)
BR7701752A 1976-03-24 1977-03-22 Molde e processo para a producao de lentes de contato BR7701752A (pt)

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
BR7701752A true BR7701752A (pt) 1978-01-17

Family

ID=24688696

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7701752A BR7701752A (pt) 1976-03-24 1977-03-22 Molde e processo para a producao de lentes de contato

Country Status (24)

Country Link
US (1) US4121896A (pt)
JP (1) JPS5929411B2 (pt)
AR (1) AR221685A1 (pt)
AT (1) AT368940B (pt)
AU (1) AU510468B2 (pt)
BE (1) BE852755A (pt)
BR (1) BR7701752A (pt)
CA (1) CA1075419A (pt)
CH (1) CH631652A5 (pt)
DE (2) DE2712437C2 (pt)
DK (1) DK147357C (pt)
ES (1) ES456927A1 (pt)
FR (1) FR2345279A1 (pt)
GB (1) GB1575694A (pt)
IE (1) IE44908B1 (pt)
IL (1) IL51711A (pt)
IN (1) IN147193B (pt)
IT (1) IT1073486B (pt)
MX (1) MX145158A (pt)
NL (1) NL180186C (pt)
NZ (1) NZ183685A (pt)
SE (1) SE460078B (pt)
SU (1) SU674658A3 (pt)
ZA (1) ZA771723B (pt)

Families Citing this family (98)

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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
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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
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GB2117807A (en) * 1982-03-31 1983-10-19 Rolls Royce Refractory material
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GB8507007D0 (en) * 1985-03-19 1985-04-24 Coopervision Optics Casting lenses
JPS6239582U (pt) * 1985-08-23 1987-03-09
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US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
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IL113826A0 (en) 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Method and apparatus for demolding ophthalmic contact lenses
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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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
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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
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US9322958B2 (en) 2004-08-27 2016-04-26 Coopervision International Holding Company, Lp Silicone hydrogel contact lenses
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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
EP2168746B1 (en) 2007-06-14 2018-04-18 Aji Co., Ltd. Method and apparatus for moulding aspherical lenses
US20090121370A1 (en) * 2007-10-26 2009-05-14 Bausch & Lomb Incorporated Molds for Production of Ophthalmic Devices
US8262952B2 (en) * 2007-10-31 2012-09-11 Bausch & Lomb Incorporated Molds for production of ophthalmic devices
CN101909864B (zh) * 2007-12-31 2014-07-02 博士伦公司 用于形成包括眼科器件在内的生物医学器件的浇注模具
US20100109176A1 (en) 2008-11-03 2010-05-06 Chris Davison Machined lens molds and methods for making and using same
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Also Published As

Publication number Publication date
AU2352077A (en) 1978-09-28
DE2712437A1 (de) 1977-10-06
IT1073486B (it) 1985-04-17
MX145158A (es) 1982-01-12
NZ183685A (en) 1979-11-01
AR221685A1 (es) 1981-03-13
ZA771723B (en) 1978-11-29
AT368940B (de) 1982-11-25
FR2345279A1 (fr) 1977-10-21
CH631652A5 (de) 1982-08-31
IN147193B (pt) 1979-12-15
AU510468B2 (en) 1980-06-26
SE7703226L (sv) 1977-09-25
SU674658A3 (ru) 1979-07-15
NL180186C (nl) 1987-01-16
IE44908L (en) 1977-09-24
NL180186B (nl) 1986-08-18
ES456927A1 (es) 1978-02-01
DE2712437C2 (de) 1990-08-02
IE44908B1 (en) 1982-05-19
IL51711A (en) 1980-02-29
NL7703034A (nl) 1977-09-27
CA1075419A (en) 1980-04-15
ATA198177A (de) 1982-04-15
DK122277A (da) 1977-09-25
GB1575694A (en) 1980-09-24
FR2345279B1 (pt) 1982-10-01
JPS5929411B2 (ja) 1984-07-20
BE852755A (fr) 1977-07-18
IL51711A0 (en) 1977-05-31
DE2760153C2 (de) 1986-01-23
DK147357B (da) 1984-07-02
DK147357C (da) 1985-01-14
US4121896A (en) 1978-10-24
JPS52117647A (en) 1977-10-03
SE460078B (sv) 1989-09-04

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