ZA771723B - Apparatus for the production of contact lenses and process for the utilization thereof - Google Patents

Apparatus for the production of contact lenses and process for the utilization thereof

Info

Publication number
ZA771723B
ZA771723B ZA00771723A ZA771723A ZA771723B ZA 771723 B ZA771723 B ZA 771723B ZA 00771723 A ZA00771723 A ZA 00771723A ZA 771723 A ZA771723 A ZA 771723A ZA 771723 B ZA771723 B ZA 771723B
Authority
ZA
South Africa
Prior art keywords
utilization
production
contact lenses
lenses
contact
Prior art date
Application number
ZA00771723A
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 ZA771723B publication Critical patent/ZA771723B/xx

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)
ZA00771723A 1976-03-24 1977-03-22 Apparatus for the production of contact lenses and process for the utilization thereof ZA771723B (en)

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
ZA771723B true ZA771723B (en) 1978-11-29

Family

ID=24688696

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00771723A ZA771723B (en) 1976-03-24 1977-03-22 Apparatus for the production of contact lenses and process for the utilization thereof

Country Status (24)

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

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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
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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
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US4693446A (en) * 1985-09-20 1987-09-15 Techna Vision, Inc. Gasket for molding plastic 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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US9102110B2 (en) * 2005-08-09 2015-08-11 Coopervision International Holding Company, Lp Systems and methods for removing lenses from lens molds
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US20090121370A1 (en) * 2007-10-26 2009-05-14 Bausch & Lomb Incorporated Molds for Production of Ophthalmic Devices
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CN102574345B (zh) * 2009-10-16 2017-03-08 诺华股份有限公司 用于制造眼用镜片的方法
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Also Published As

Publication number Publication date
AR221685A1 (es) 1981-03-13
JPS52117647A (en) 1977-10-03
NL180186C (nl) 1987-01-16
CH631652A5 (de) 1982-08-31
DK122277A (da) 1977-09-25
IL51711A0 (en) 1977-05-31
FR2345279B1 (de) 1982-10-01
NZ183685A (en) 1979-11-01
NL7703034A (nl) 1977-09-27
DK147357C (da) 1985-01-14
GB1575694A (en) 1980-09-24
MX145158A (es) 1982-01-12
IL51711A (en) 1980-02-29
SU674658A3 (ru) 1979-07-15
SE7703226L (sv) 1977-09-25
DK147357B (da) 1984-07-02
ATA198177A (de) 1982-04-15
ES456927A1 (es) 1978-02-01
IE44908B1 (en) 1982-05-19
BR7701752A (pt) 1978-01-17
IT1073486B (it) 1985-04-17
FR2345279A1 (fr) 1977-10-21
AU2352077A (en) 1978-09-28
AT368940B (de) 1982-11-25
CA1075419A (en) 1980-04-15
DE2760153C2 (de) 1986-01-23
IN147193B (de) 1979-12-15
NL180186B (nl) 1986-08-18
IE44908L (en) 1977-09-24
US4121896A (en) 1978-10-24
BE852755A (fr) 1977-07-18
AU510468B2 (en) 1980-06-26
DE2712437A1 (de) 1977-10-06
SE460078B (sv) 1989-09-04
DE2712437C2 (de) 1990-08-02
JPS5929411B2 (ja) 1984-07-20

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