FR1467028A - Process for the manufacture of contact lenses, in particular of weakly crosslinked hydrogel, as well as lenses conforming to those obtained by the present process or similar process - Google Patents

Process for the manufacture of contact lenses, in particular of weakly crosslinked hydrogel, as well as lenses conforming to those obtained by the present process or similar process

Info

Publication number
FR1467028A
FR1467028A FR23334A FR23334A FR1467028A FR 1467028 A FR1467028 A FR 1467028A FR 23334 A FR23334 A FR 23334A FR 23334 A FR23334 A FR 23334A FR 1467028 A FR1467028 A FR 1467028A
Authority
FR
France
Prior art keywords
lenses
manufacture
well
those obtained
conforming
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
FR23334A
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Priority to FR23334A priority Critical patent/FR1467028A/en
Application granted granted Critical
Publication of FR1467028A publication Critical patent/FR1467028A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact 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
    • B29D11/00038—Production of contact lenses
    • B29D11/00115—Production of contact lenses made by rotational casting
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—Contact lenses
    • 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
FR23334A 1964-07-02 1965-07-02 Process for the manufacture of contact lenses, in particular of weakly crosslinked hydrogel, as well as lenses conforming to those obtained by the present process or similar process Expired FR1467028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR23334A FR1467028A (en) 1964-07-02 1965-07-02 Process for the manufacture of contact lenses, in particular of weakly crosslinked hydrogel, as well as lenses conforming to those obtained by the present process or similar process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS381764 1964-07-02
FR23334A FR1467028A (en) 1964-07-02 1965-07-02 Process for the manufacture of contact lenses, in particular of weakly crosslinked hydrogel, as well as lenses conforming to those obtained by the present process or similar process

Publications (1)

Publication Number Publication Date
FR1467028A true FR1467028A (en) 1967-01-27

Family

ID=25745892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23334A Expired FR1467028A (en) 1964-07-02 1965-07-02 Process for the manufacture of contact lenses, in particular of weakly crosslinked hydrogel, as well as lenses conforming to those obtained by the present process or similar process

Country Status (1)

Country Link
FR (1) FR1467028A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595361A1 (en) * 1986-03-06 1987-09-11 Ceskoslovenska Akademie Ved CROSSLINKED GELS BASED ON METHACRYLIC ACID ESTERS AND GLYCOL WITH INCREASED SWELLING CAPACITY IN WATER AND PROCESS FOR THEIR MANUFACTURE
EP0645235A2 (en) * 1990-04-17 1995-03-29 JOHNSON & JOHNSON VISION PRODUCTS, INC. Process for hydrating soft contact lenses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595361A1 (en) * 1986-03-06 1987-09-11 Ceskoslovenska Akademie Ved CROSSLINKED GELS BASED ON METHACRYLIC ACID ESTERS AND GLYCOL WITH INCREASED SWELLING CAPACITY IN WATER AND PROCESS FOR THEIR MANUFACTURE
EP0645235A2 (en) * 1990-04-17 1995-03-29 JOHNSON & JOHNSON VISION PRODUCTS, INC. Process for hydrating soft contact lenses
EP0645235A3 (en) * 1990-04-17 1996-04-24 Johnson & Johnson Vision Prod Process for hydrating soft contact lenses.

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