FR1316497A - Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses - Google Patents

Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses

Info

Publication number
FR1316497A
FR1316497A FR874077A FR874077A FR1316497A FR 1316497 A FR1316497 A FR 1316497A FR 874077 A FR874077 A FR 874077A FR 874077 A FR874077 A FR 874077A FR 1316497 A FR1316497 A FR 1316497A
Authority
FR
France
Prior art keywords
manufacture
molded plastic
ophthalmic lenses
plastic articles
articles
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
FR874077A
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.)
Laubman and Pank Pty Ltd
Original Assignee
Laubman and Pank Pty Ltd
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 Laubman and Pank Pty Ltd filed Critical Laubman and Pank Pty Ltd
Priority to FR874077A priority Critical patent/FR1316497A/en
Application granted granted Critical
Publication of FR1316497A publication Critical patent/FR1316497A/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
    • 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
    • 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
    • B29D11/00538—Feeding arrangements
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR874077A 1961-09-25 1961-09-25 Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses Expired FR1316497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR874077A FR1316497A (en) 1961-09-25 1961-09-25 Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR874077A FR1316497A (en) 1961-09-25 1961-09-25 Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses

Publications (1)

Publication Number Publication Date
FR1316497A true FR1316497A (en) 1963-02-01

Family

ID=8763429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874077A Expired FR1316497A (en) 1961-09-25 1961-09-25 Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses

Country Status (1)

Country Link
FR (1) FR1316497A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492807A1 (en) * 1980-10-24 1982-04-30 Corning Glass Works LAMINATED GLASS AND POLYCARBONATE ARTICLE AND PROCESS FOR PRODUCING THE POLYCARBONATE ELEMENT
EP0209382A2 (en) * 1985-07-16 1987-01-21 Mitsubishi Petrochemical Co., Ltd. Cast molding of acrylic plastics
FR2794055A1 (en) * 1999-05-26 2000-12-01 Essilor Int METHOD FOR MOLDING AN OPTICAL LENS AND CORRESPONDING INSTALLATION

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492807A1 (en) * 1980-10-24 1982-04-30 Corning Glass Works LAMINATED GLASS AND POLYCARBONATE ARTICLE AND PROCESS FOR PRODUCING THE POLYCARBONATE ELEMENT
EP0209382A2 (en) * 1985-07-16 1987-01-21 Mitsubishi Petrochemical Co., Ltd. Cast molding of acrylic plastics
EP0209382A3 (en) * 1985-07-16 1988-01-13 Mitsubishi Petrochemical Co., Ltd. Cast molding of acrylic plastics
FR2794055A1 (en) * 1999-05-26 2000-12-01 Essilor Int METHOD FOR MOLDING AN OPTICAL LENS AND CORRESPONDING INSTALLATION
WO2000073048A1 (en) * 1999-05-26 2000-12-07 Essilor International (Compagnie Generale D'optique) Method for moulding an optical lens and corresponding installation

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