FR1128971A - Improvements in the manufacture of ophthalmic or optical elements in plastics - Google Patents

Improvements in the manufacture of ophthalmic or optical elements in plastics

Info

Publication number
FR1128971A
FR1128971A FR1128971DA FR1128971A FR 1128971 A FR1128971 A FR 1128971A FR 1128971D A FR1128971D A FR 1128971DA FR 1128971 A FR1128971 A FR 1128971A
Authority
FR
France
Prior art keywords
ophthalmic
plastics
manufacture
optical elements
optical
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
Joseph Clerc
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 FR1128971A publication Critical patent/FR1128971A/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
    • 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
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • 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
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
FR1128971D 1955-04-13 1955-04-13 Improvements in the manufacture of ophthalmic or optical elements in plastics Expired FR1128971A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1128971T 1955-04-13

Publications (1)

Publication Number Publication Date
FR1128971A true FR1128971A (en) 1957-01-14

Family

ID=9636527

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1128971D Expired FR1128971A (en) 1955-04-13 1955-04-13 Improvements in the manufacture of ophthalmic or optical elements in plastics

Country Status (1)

Country Link
FR (1) FR1128971A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997034752A1 (en) * 1996-03-18 1997-09-25 Novartis Ag Method of mutually positioning a pair of shaping-tool halves facing each other, and shaping tool for the manufacture of precision-made articles, in particular contact lenses
WO1998042497A2 (en) * 1997-03-25 1998-10-01 Novartis Ag Molding processes
US6113817A (en) * 1997-03-25 2000-09-05 Novartis Ag Molding processes
WO2000078531A1 (en) * 1999-06-22 2000-12-28 Essilor International Method for moulding ophthalmic lenses
US7143990B2 (en) 2001-03-26 2006-12-05 Novartis Ag Apparatus and method for the production of ophthalmic lenses

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997034752A1 (en) * 1996-03-18 1997-09-25 Novartis Ag Method of mutually positioning a pair of shaping-tool halves facing each other, and shaping tool for the manufacture of precision-made articles, in particular contact lenses
WO1998042497A2 (en) * 1997-03-25 1998-10-01 Novartis Ag Molding processes
WO1998042497A3 (en) * 1997-03-25 1999-02-18 Novartis Ag Molding processes
US6113817A (en) * 1997-03-25 2000-09-05 Novartis Ag Molding processes
WO2000078531A1 (en) * 1999-06-22 2000-12-28 Essilor International Method for moulding ophthalmic lenses
FR2795361A1 (en) * 1999-06-22 2000-12-29 Essilor Int Ophthalmic lens is moulded and hardened between two moulds and then removed; one mould has desired shape of lens
US7144529B1 (en) 1999-06-22 2006-12-05 Essilor International Method for molding ophthalmic lenses
US7143990B2 (en) 2001-03-26 2006-12-05 Novartis Ag Apparatus and method for the production of ophthalmic lenses

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