IN162620B - - Google Patents

Info

Publication number
IN162620B
IN162620B IN76/CAL/85A IN76CA1985A IN162620B IN 162620 B IN162620 B IN 162620B IN 76CA1985 A IN76CA1985 A IN 76CA1985A IN 162620 B IN162620 B IN 162620B
Authority
IN
India
Application number
IN76/CAL/85A
Other languages
English (en)
Inventor
Donald H Petcen
Robert I Sinclair
Original Assignee
Coburn Optical Ind
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 Coburn Optical Ind filed Critical Coburn Optical Ind
Publication of IN162620B publication Critical patent/IN162620B/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
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0037—Forming articles from a moulding composition enclosed in a deformable bag
    • 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
    • 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
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/68—Release sheets
    • 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
    • B29D11/00134—Curing of the contact lens material
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
    • 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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Resistance Heating (AREA)
  • Communication Cables (AREA)
  • Polymerisation Methods In General (AREA)
IN76/CAL/85A 1984-02-02 1985-02-02 IN162620B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/576,181 US4540532A (en) 1984-02-02 1984-02-02 Method and apparatus for molding ophthalmic lenses

Publications (1)

Publication Number Publication Date
IN162620B true IN162620B (fr) 1988-06-18

Family

ID=24303303

Family Applications (1)

Application Number Title Priority Date Filing Date
IN76/CAL/85A IN162620B (fr) 1984-02-02 1985-02-02

Country Status (15)

Country Link
US (1) US4540532A (fr)
EP (1) EP0152840A3 (fr)
JP (1) JPS60203415A (fr)
KR (1) KR850005790A (fr)
AU (1) AU575904B2 (fr)
BR (1) BR8500502A (fr)
CA (1) CA1241513A (fr)
DK (1) DK45985A (fr)
FI (1) FI850442L (fr)
IE (1) IE850236L (fr)
IL (1) IL74227A0 (fr)
IN (1) IN162620B (fr)
NO (1) NO850388L (fr)
NZ (1) NZ211029A (fr)
ZA (1) ZA85807B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540532A (en) * 1984-02-02 1985-09-10 Coburn Optical Industries, Inc. Method and apparatus for molding ophthalmic lenses
GB8507007D0 (en) * 1985-03-19 1985-04-24 Coopervision Optics Casting lenses
US4680149A (en) * 1986-05-19 1987-07-14 International Hydron Corporation Mold and method for spin casting a precisely configured article
US4978352A (en) * 1989-06-07 1990-12-18 Fedorov Svjatoslav N Process for producing collagen-based cross-linked biopolymer, an implant from said biopolymer, method for producing said implant, and method for hermetization of corneal or scleral wounds involved in eye injuries, using said implant
FR2665662A1 (fr) * 1990-08-07 1992-02-14 Miviere Pascal Procede de moulage d'objets formes de differentes pieces assemblees a la facon d'un puzzle en trois dimensions.
IL113691A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Low oxygen molding of soft contact lenses
US5681510A (en) * 1994-10-13 1997-10-28 Bausch & Lomb Incorporated Method for treating plastic mold pieces
JP3779801B2 (ja) * 1997-09-12 2006-05-31 株式会社メニコン 眼内レンズの製造方法
JPH11320571A (ja) * 1998-05-15 1999-11-24 Menicon Co Ltd 眼用レンズの成形型及びその製造方法並びにそれを用いた眼用レンズの製造法
US6462884B2 (en) 1999-07-16 2002-10-08 Technology Resource International Corporation Polymerizable composition and optical articles using the same
WO2003011552A1 (fr) 2001-07-20 2003-02-13 Low Cost Eyeglasses, Inc. Appareil de moulage de lentilles et procedes associes
US8944795B2 (en) * 2008-12-18 2015-02-03 Novartis Ag Mold release sheet
EP2373477B1 (fr) * 2008-12-18 2016-07-20 Novartis AG Procédé destiné à fabriquer un moule pour lentille ophtalmique moulée par injection et un tel moule
US9310628B2 (en) * 2013-08-27 2016-04-12 Johnson & Johnson Vision Care, Inc. Ophthalmic lens including ultra-thin optical parts
US20150224685A1 (en) * 2014-02-13 2015-08-13 Caterpillar Inc. System and method for manufacturing an article
WO2016050655A1 (fr) * 2014-09-30 2016-04-07 Essilor International (Compagnie Generale D'optique) Procédé permettant de déterminer une ébauche de lentille destinée à être utilisée pour fabriquer une lentille optique
US11207807B1 (en) 2018-03-08 2021-12-28 Facebook Technologies, Llc Method of manufacture for thin, multi-bend optics by vacuum molding
US11220028B1 (en) * 2018-03-08 2022-01-11 Facebook Technologies, Llc Method of manufacture for thin, multi-bend optics by compression molding

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE495628A (fr) *
US2613397A (en) * 1946-05-29 1952-10-14 Owens Corning Fiberglass Corp Manufacture of molded articles
US2542386A (en) * 1947-12-03 1951-02-20 John O Beattie Manufacture of plastic lenses from monomeric materials
US2673371A (en) * 1951-02-01 1954-03-30 Us Rubber Co Method of molding thermoplastic articles
US2962767A (en) * 1956-03-01 1960-12-06 Oceana International Inc Molding process
DE1495381B2 (de) * 1963-09-07 1971-06-24 Czeskoslovenska akademie ved , Prag Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen
US3325861A (en) * 1964-04-02 1967-06-20 Kay Mfg Corp Mold for casting polyurethane articles
US3475521A (en) * 1966-03-04 1969-10-28 John H Stroop Method of making plastic contact lenses
US3423488A (en) * 1966-05-11 1969-01-21 Ppg Industries Inc Process for casting resinous lenses in thermoplastic cast replica molds
DE1779815C3 (de) * 1968-09-28 1974-07-25 Gustav 7026 Bonlanden Koenig Verfahren zur Herstellung von vorzugsweise armierten Fertigplatten und Formkörpern aus Kunstharzen
US3552711A (en) * 1969-02-26 1971-01-05 Rainbow Crafts Inc Molding device
US3894710A (en) * 1973-08-29 1975-07-15 George M J Sarofeen Mold forms coating synthetic resin lenses
US4038014A (en) * 1976-09-24 1977-07-26 American Optical Corporation Lens mold
CA1143518A (fr) * 1979-01-15 1983-03-29 George T. Croft Methode et dispositif de fabrication de verres d'optique en plastique
US4273809A (en) * 1979-10-25 1981-06-16 American Optical Corporation Method of preparing cast resin lenses
US4540532A (en) * 1984-02-02 1985-09-10 Coburn Optical Industries, Inc. Method and apparatus for molding ophthalmic lenses

Also Published As

Publication number Publication date
FI850442A0 (fi) 1985-02-01
NZ211029A (en) 1986-06-11
EP0152840A2 (fr) 1985-08-28
ZA85807B (en) 1985-09-25
CA1241513A (fr) 1988-09-06
AU575904B2 (en) 1988-08-11
KR850005790A (ko) 1985-09-26
IE850236L (en) 1985-08-02
JPS60203415A (ja) 1985-10-15
IL74227A0 (en) 1985-05-31
US4540532A (en) 1985-09-10
DK45985D0 (da) 1985-02-01
EP0152840A3 (fr) 1986-07-30
FI850442L (fi) 1985-08-03
BR8500502A (pt) 1985-09-24
AU3842885A (en) 1985-08-08
NO850388L (no) 1985-08-05
DK45985A (da) 1985-08-03

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