GB2040213B - Method and apparatus for making plastics lenses - Google Patents

Method and apparatus for making plastics lenses

Info

Publication number
GB2040213B
GB2040213B GB7943824A GB7943824A GB2040213B GB 2040213 B GB2040213 B GB 2040213B GB 7943824 A GB7943824 A GB 7943824A GB 7943824 A GB7943824 A GB 7943824A GB 2040213 B GB2040213 B GB 2040213B
Authority
GB
United Kingdom
Prior art keywords
making plastics
plastics lenses
lenses
making
plastics
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
GB7943824A
Other versions
GB2040213A (en
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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of GB2040213A publication Critical patent/GB2040213A/en
Application granted granted Critical
Publication of GB2040213B publication Critical patent/GB2040213B/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
GB7943824A 1979-01-15 1979-12-20 Method and apparatus for making plastics lenses Expired GB2040213B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US314779A 1979-01-15 1979-01-15

Publications (2)

Publication Number Publication Date
GB2040213A GB2040213A (en) 1980-08-28
GB2040213B true GB2040213B (en) 1983-01-26

Family

ID=21704402

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7943824A Expired GB2040213B (en) 1979-01-15 1979-12-20 Method and apparatus for making plastics lenses

Country Status (4)

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

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
GB2237241B (en) * 1988-11-02 1993-01-13 Nat Res Dev Contact lens cast moulding and packaging
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
ES2096846T3 (en) * 1988-11-02 1997-03-16 British Tech Group MOLDING AND CONTAINER CONTACT LENSES.
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 (en) * 2004-08-06 2005-07-01 Balaustres Del Valles S L KIT FOR THE MANUFACTURE OF BALAUSTRES.
DE102010044893A1 (en) * 2010-03-10 2011-09-15 Rodenstock Gmbh New glass manufacturing process for plastic glasses
NL2009432C2 (en) * 2012-09-07 2014-03-10 Innovalens B V METHOD FOR MANUFACTURING A SEMI-MANUFACTURE INTENDED FOR FORMING A SHTHALMIC DEVICE
DE102013222232B4 (en) * 2013-10-31 2021-01-28 Carl Zeiss Vision International Gmbh Manufacturing process for a spectacle lens
DE102016223516A1 (en) * 2016-11-28 2018-05-30 Osram Gmbh Producing a light passage body for a lamp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1090073A (en) * 1953-09-22 1955-03-28 L O S Lentilles Ophtalmiques S Manufacturing process of synthetic resin lenses
FR2160328B1 (en) * 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 (en) * 1972-04-10 1977-03-25 Ludwig Dr Kamlander METHOD AND FORM FOR THE CONTINUOUS MANUFACTURING OF LENS BLANKS
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
DE3001253A1 (en) 1980-07-24
FR2446161B1 (en) 1984-02-10
FR2446161A1 (en) 1980-08-08
CA1143518A (en) 1983-03-29
GB2040213A (en) 1980-08-28

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee