FR1492305A - Improvements to organic glass lens molding devices and their manufacturing processes - Google Patents

Improvements to organic glass lens molding devices and their manufacturing processes

Info

Publication number
FR1492305A
FR1492305A FR68805A FR68805A FR1492305A FR 1492305 A FR1492305 A FR 1492305A FR 68805 A FR68805 A FR 68805A FR 68805 A FR68805 A FR 68805A FR 1492305 A FR1492305 A FR 1492305A
Authority
FR
France
Prior art keywords
manufacturing processes
organic glass
glass lens
lens molding
molding devices
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
FR68805A
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.)
OPTIQUE LUNETTERIE A LAMARD
Original Assignee
OPTIQUE LUNETTERIE A LAMARD
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 OPTIQUE LUNETTERIE A LAMARD filed Critical OPTIQUE LUNETTERIE A LAMARD
Priority to FR68805A priority Critical patent/FR1492305A/en
Application granted granted Critical
Publication of FR1492305A publication Critical patent/FR1492305A/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
    • 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
FR68805A 1966-07-08 1966-07-08 Improvements to organic glass lens molding devices and their manufacturing processes Expired FR1492305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR68805A FR1492305A (en) 1966-07-08 1966-07-08 Improvements to organic glass lens molding devices and their manufacturing processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR68805A FR1492305A (en) 1966-07-08 1966-07-08 Improvements to organic glass lens molding devices and their manufacturing processes

Publications (1)

Publication Number Publication Date
FR1492305A true FR1492305A (en) 1967-08-18

Family

ID=8612894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR68805A Expired FR1492305A (en) 1966-07-08 1966-07-08 Improvements to organic glass lens molding devices and their manufacturing processes

Country Status (1)

Country Link
FR (1) FR1492305A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2152062A1 (en) * 1970-10-19 1972-04-27 Lunetterie Et D Optique Ration Method, mold and press web for the production of contact lenses, in particular flexible contact lenses
DE2734416A1 (en) * 1976-08-12 1978-02-16 American Optical Corp LENS CASTING CELL

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2152062A1 (en) * 1970-10-19 1972-04-27 Lunetterie Et D Optique Ration Method, mold and press web for the production of contact lenses, in particular flexible contact lenses
DE2734416A1 (en) * 1976-08-12 1978-02-16 American Optical Corp LENS CASTING CELL

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