FR81513E - Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics - Google Patents

Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics

Info

Publication number
FR81513E
FR81513E FR890848A FR890848A FR81513E FR 81513 E FR81513 E FR 81513E FR 890848 A FR890848 A FR 890848A FR 890848 A FR890848 A FR 890848A FR 81513 E FR81513 E FR 81513E
Authority
FR
France
Prior art keywords
plastics
optical elements
ophthalmic lenses
manufacturing optical
lenses made
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
FR890848A
Other languages
French (fr)
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.)
Lentilles Ophtalmiques Rationnelles
Original Assignee
Lentilles Ophtalmiques Rationnelles
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 Lentilles Ophtalmiques Rationnelles filed Critical Lentilles Ophtalmiques Rationnelles
Priority to FR890848A priority Critical patent/FR81513E/en
Priority to DE19631504505 priority patent/DE1504505B2/en
Priority to GB980763A priority patent/GB967148A/en
Application granted granted Critical
Publication of FR81513E publication Critical patent/FR81513E/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
    • 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
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • 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
    • 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
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • 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

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)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR890848A 1962-03-13 1962-03-13 Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics Expired FR81513E (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR890848A FR81513E (en) 1962-03-13 1962-03-13 Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics
DE19631504505 DE1504505B2 (en) 1962-03-13 1963-02-08 CASTING FORM FOR MANUFACTURING OPTICAL ELEMENTS, IN PARTICULAR EYE LENSES FROM PLASTICS
GB980763A GB967148A (en) 1962-03-13 1963-03-12 Improvements in or relating to moulds for the production of optical elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR890848A FR81513E (en) 1962-03-13 1962-03-13 Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics

Publications (1)

Publication Number Publication Date
FR81513E true FR81513E (en) 1963-10-04

Family

ID=8774576

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890848A Expired FR81513E (en) 1962-03-13 1962-03-13 Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics

Country Status (3)

Country Link
DE (1) DE1504505B2 (en)
FR (1) FR81513E (en)
GB (1) GB967148A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441193A1 (en) * 1978-06-21 1980-06-06 Spofa Vereinigte Pharma Werke PROCESS FOR ADAPTING HYDROPHILIC GEL CONTACT LENSES TO THE STATE OF APERIAL XEROGEL
WO1987004390A1 (en) * 1986-01-28 1987-07-30 Coopervision Optics Limited Moulding contact lenses
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
US5578332A (en) * 1988-11-02 1996-11-26 British Technology Group Ltd. Contact lens mould

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894129A (en) * 1973-03-15 1975-07-08 American Optical Corp Method of manufacture of strain free contact lenses
US4273809A (en) * 1979-10-25 1981-06-16 American Optical Corporation Method of preparing cast resin lenses
EP3354449B1 (en) * 2017-01-27 2024-01-10 Essilor International Method for injection molding plus power lens, method for producing a lens assembly, plus power lens, lens assembly

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441193A1 (en) * 1978-06-21 1980-06-06 Spofa Vereinigte Pharma Werke PROCESS FOR ADAPTING HYDROPHILIC GEL CONTACT LENSES TO THE STATE OF APERIAL XEROGEL
WO1987004390A1 (en) * 1986-01-28 1987-07-30 Coopervision Optics Limited Moulding contact lenses
US4955580A (en) * 1986-01-28 1990-09-11 Coopervision Optics Limited Contact lens mold
AU601398B2 (en) * 1986-01-28 1990-09-13 Coopervision Optics Limited Moulding contact lenses
US5036971A (en) * 1986-01-28 1991-08-06 Coopervision Optics, Ltd. Moulding contact lenses
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
US5578332A (en) * 1988-11-02 1996-11-26 British Technology Group Ltd. Contact lens mould

Also Published As

Publication number Publication date
DE1504505A1 (en) 1969-02-06
DE1504505B2 (en) 1972-04-06
GB967148A (en) 1964-08-19

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