CA1143518A - Method and apparatus for making plastic lenses - Google Patents

Method and apparatus for making plastic lenses

Info

Publication number
CA1143518A
CA1143518A CA000340521A CA340521A CA1143518A CA 1143518 A CA1143518 A CA 1143518A CA 000340521 A CA000340521 A CA 000340521A CA 340521 A CA340521 A CA 340521A CA 1143518 A CA1143518 A CA 1143518A
Authority
CA
Canada
Prior art keywords
main body
strip
lens
casting
cups
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
CA000340521A
Other languages
English (en)
French (fr)
Inventor
George T. Croft
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.)
Sola International Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1143518A publication Critical patent/CA1143518A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C39/38—Heating or cooling
    • 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
    • B29C33/0011—Moulds or cores; Details thereof or accessories therefor thin-walled moulds
    • B29C33/0016—Lost moulds, e.g. staying on the moulded object
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • 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
    • 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
    • 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
    • B29D11/00932—Combined cutting and grinding thereof
    • B29D11/00942—Combined cutting and grinding thereof where the lens material is mounted in a support for mounting onto a cutting device, e.g. a lathe, and where the support is of machinable material, e.g. plastics
    • 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
    • B29C33/0022—Multi-cavity 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
CA000340521A 1979-01-15 1979-11-23 Method and apparatus for making plastic lenses Expired CA1143518A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US314779A 1979-01-15 1979-01-15
US003,147 1979-01-15

Publications (1)

Publication Number Publication Date
CA1143518A true CA1143518A (en) 1983-03-29

Family

ID=21704402

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000340521A Expired CA1143518A (en) 1979-01-15 1979-11-23 Method and apparatus for making plastic lenses

Country Status (4)

Country Link
CA (1) CA1143518A (it)
DE (1) DE3001253A1 (it)
FR (1) FR2446161A1 (it)
GB (1) GB2040213B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133336A (en) * 1982-12-14 1984-07-25 Square Grip Ltd Concrete spacer monitoring
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
US4913857A (en) * 1987-04-03 1990-04-03 Kei Mori Method for molding a transparent capsule
US4921205A (en) * 1988-05-17 1990-05-01 Sola Usa, Inc. Lens mold assembly
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
GB2237241B (en) * 1988-11-02 1993-01-13 Nat Res Dev Contact lens cast moulding and packaging
DE68923345T2 (de) * 1988-11-02 1995-12-21 British Tech Group Giessen von Kontaktlinsen.
GB8827947D0 (en) * 1988-11-30 1989-01-05 Wylde S J Lens fabrication system & method
US5837156A (en) * 1994-04-21 1998-11-17 Cumming; J. Stuart Methods of fabricating intraocular lenses and lens molds
US6012471A (en) * 1994-06-10 2000-01-11 Johnson & Johnson Vision Products, Inc. Automated method and apparatus for single sided hydration of soft contact lenses in package carriers
US5524419A (en) * 1995-02-02 1996-06-11 Bausch & Lomb Incorporated Method and apparatus for molding contact lenses and making their container
US6207086B1 (en) 1999-02-18 2001-03-27 Johnson & Johnson Vision Care, Inc. Method and apparatus for washing or hydration of ophthalmic devices
GB2355686A (en) * 1999-10-25 2001-05-02 Hydron Ltd A method of forming an ophthalmic device
US7001138B2 (en) 2002-03-01 2006-02-21 Johnson & Johnson Vision Care, Inc. Split collar for mechanical arm connection
ES1058317Y (es) * 2004-08-06 2005-07-01 Balaustres Del Valles S L Kit para la fabricacion de balaustres.
DE102010044893A1 (de) * 2010-03-10 2011-09-15 Rodenstock Gmbh Neuer Glasherstellungsprozess für Kunststoffgläser
NL2009432C2 (nl) * 2012-09-07 2014-03-10 Innovalens B V Werkwijze voor het vervaardigen van een halffabrikaat bestemd voor het vormen van een ophthalmische inrichting.
DE102013222232B4 (de) * 2013-10-31 2021-01-28 Carl Zeiss Vision International Gmbh Herstellungsverfahren für ein Brillenglas
DE102016223516A1 (de) * 2016-11-28 2018-05-30 Osram Gmbh Herstellen eines Lichtdurchtrittkörpers für eine Leuchte

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1090073A (fr) * 1953-09-22 1955-03-28 L O S Lentilles Ophtalmiques S Procédé de fabrication de lentilles en résines synthétiques
FR2160328B1 (it) * 1971-11-16 1976-02-13 Vergo Sa Fr
US3871803A (en) * 1971-12-21 1975-03-18 Beattie Dev Company Apparatus for producing an optical molding plaque
AT335723B (de) * 1972-04-10 1977-03-25 Ludwig Dr Kamlander Verfahren und form zur kontinuierlichen herstellung von linsenrohlingen
US4129628A (en) * 1976-07-19 1978-12-12 Rca Corporation Method of making a thermoplastic lens by vacuum forming

Also Published As

Publication number Publication date
FR2446161A1 (fr) 1980-08-08
FR2446161B1 (it) 1984-02-10
GB2040213A (en) 1980-08-28
DE3001253A1 (de) 1980-07-24
GB2040213B (en) 1983-01-26

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Legal Events

Date Code Title Description
MKEX Expiry