FR1090073A - Procédé de fabrication de lentilles en résines synthétiques - Google Patents

Procédé de fabrication de lentilles en résines synthétiques

Info

Publication number
FR1090073A
FR1090073A FR1090073DA FR1090073A FR 1090073 A FR1090073 A FR 1090073A FR 1090073D A FR1090073D A FR 1090073DA FR 1090073 A FR1090073 A FR 1090073A
Authority
FR
France
Prior art keywords
manufacturing process
synthetic resin
resin lenses
lenses
synthetic
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
English (en)
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.)
L O S LENTILLES OPHTALMIQUES S
Original Assignee
L O S LENTILLES OPHTALMIQUES S
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 L O S LENTILLES OPHTALMIQUES S filed Critical L O S LENTILLES OPHTALMIQUES S
Application granted granted Critical
Publication of FR1090073A publication Critical patent/FR1090073A/fr
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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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)
FR1090073D 1953-09-22 1953-09-22 Procédé de fabrication de lentilles en résines synthétiques Expired FR1090073A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1090073T 1953-09-22

Publications (1)

Publication Number Publication Date
FR1090073A true FR1090073A (fr) 1955-03-28

Family

ID=9614702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1090073D Expired FR1090073A (fr) 1953-09-22 1953-09-22 Procédé de fabrication de lentilles en résines synthétiques

Country Status (1)

Country Link
FR (1) FR1090073A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2160328A1 (fr) * 1971-11-16 1973-06-29 Vergo Sa
FR2446161A1 (fr) * 1979-01-15 1980-08-08 American Optical Corp Moule et procede pour la fabrication de lentilles en matiere plastique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2160328A1 (fr) * 1971-11-16 1973-06-29 Vergo Sa
FR2446161A1 (fr) * 1979-01-15 1980-08-08 American Optical Corp Moule et procede pour la fabrication de lentilles en matiere plastique

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