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FR973216A - Process for obtaining optical or other parts molded from transparent organic materials - Google Patents

Process for obtaining optical or other parts molded from transparent organic materials

Info

Publication number
FR973216A
FR973216A FR973216DA FR973216A FR 973216 A FR973216 A FR 973216A FR 973216D A FR973216D A FR 973216DA FR 973216 A FR973216 A FR 973216A
Authority
FR
France
Prior art keywords
organic materials
transparent organic
obtaining optical
parts molded
molded
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
Other languages
French (fr)
Inventor
Pierre-Alfred-Marie Beuchon
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 filed Critical
Application granted granted Critical
Publication of FR973216A publication Critical patent/FR973216A/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
    • B29D11/00413—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
FR973216D 1941-07-21 1941-07-21 Process for obtaining optical or other parts molded from transparent organic materials Expired FR973216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973216T 1941-07-21

Publications (1)

Publication Number Publication Date
FR973216A true FR973216A (en) 1951-02-08

Family

ID=9516572

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973216D Expired FR973216A (en) 1941-07-21 1941-07-21 Process for obtaining optical or other parts molded from transparent organic materials

Country Status (1)

Country Link
FR (1) FR973216A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234567A1 (en) * 1986-02-28 1987-09-02 VESIL S.p.A. Mould for producing organic lenses by casting
EP0674989A1 (en) * 1994-03-29 1995-10-04 ESSILOR INTERNATIONAL (Compagnie Générale d'Optique) Procedure for the constitution of a mould suitable for obtaining an optical lens, corresponding mould and obtained optical lens
EP4197762A1 (en) * 2021-12-16 2023-06-21 Essilor International Process and device for making a mold assembly suitable for molding an ophthalmic lens

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234567A1 (en) * 1986-02-28 1987-09-02 VESIL S.p.A. Mould for producing organic lenses by casting
WO1987005260A1 (en) * 1986-02-28 1987-09-11 Vesil S.P.A. Mould for producing organic lenses by casting
EP0674989A1 (en) * 1994-03-29 1995-10-04 ESSILOR INTERNATIONAL (Compagnie Générale d'Optique) Procedure for the constitution of a mould suitable for obtaining an optical lens, corresponding mould and obtained optical lens
FR2718075A1 (en) * 1994-03-29 1995-10-06 Essilor Int Method for forming a mold suitable for obtaining an optical lens, corresponding mold and optical lens obtained.
US5611969A (en) * 1994-03-29 1997-03-18 Essilor International, Compagnie Generale D'optique Optical lens mold and method of making the mold
EP4197762A1 (en) * 2021-12-16 2023-06-21 Essilor International Process and device for making a mold assembly suitable for molding an ophthalmic lens
WO2023110920A1 (en) * 2021-12-16 2023-06-22 Essilor International Process and device for making a mold assembly suitable for molding an ophthalmic lens

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