[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

FR1133705A - Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics - Google Patents

Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics

Info

Publication number
FR1133705A
FR1133705A FR1133705DA FR1133705A FR 1133705 A FR1133705 A FR 1133705A FR 1133705D A FR1133705D A FR 1133705DA FR 1133705 A FR1133705 A FR 1133705A
Authority
FR
France
Prior art keywords
plastics
optical elements
ophthalmic lenses
manufacturing optical
lenses made
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)
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.)
Lentilles Ophtalmiques Speciales SA
Original Assignee
Lentilles Ophtalmiques Speciales SA
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 Lentilles Ophtalmiques Speciales SA filed Critical Lentilles Ophtalmiques Speciales SA
Application granted granted Critical
Publication of FR1133705A publication Critical patent/FR1133705A/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00932—Combined cutting and grinding thereof
    • 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)
FR1133705D 1955-10-15 1955-10-15 Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics Expired FR1133705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1133705T 1955-10-15

Publications (1)

Publication Number Publication Date
FR1133705A true FR1133705A (en) 1957-04-01

Family

ID=9639019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1133705D Expired FR1133705A (en) 1955-10-15 1955-10-15 Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics

Country Status (1)

Country Link
FR (1) FR1133705A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1133879B (en) * 1958-04-25 1962-07-26 Lentilles Ophtalmiques Special Casting mold formed from a reusable permanent mold for the manufacture of lenses for optical purposes from thermosetting synthetic resin
US5143660A (en) * 1988-11-02 1992-09-01 National Research Development Corporation Method of casting a contact lens
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1133879B (en) * 1958-04-25 1962-07-26 Lentilles Ophtalmiques Special Casting mold formed from a reusable permanent mold for the manufacture of lenses for optical purposes from thermosetting synthetic resin
US5143660A (en) * 1988-11-02 1992-09-01 National Research Development Corporation Method of casting a contact lens
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
US5578332A (en) * 1988-11-02 1996-11-26 British Technology Group Ltd. Contact lens mould

Similar Documents

Publication Publication Date Title
FR1499774A (en) Process for the manufacture of tinted contact lenses and ocular prostheses
FR1370642A (en) Colored eye contact lens and process for its manufacture
FR81513E (en) Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics
FR1133844A (en) Manufacturing process of plastic brushes
FR1133705A (en) Process for manufacturing optical elements and in particular ophthalmic lenses made of plastics
FR1128971A (en) Improvements in the manufacture of ophthalmic or optical elements in plastics
FR1136887A (en) Method and device for the manufacture of optical elements and in particular lenses
FR1166582A (en) Method and apparatus for molding lenses and other precision optical elements
FR1069739A (en) Manufacturing process of plastic optical elements
FR1114996A (en) Safety sunglasses glass and its manufacturing process
FR1188962A (en) Optical glasses and process for their manufacture
FR1219344A (en) Advanced method of molding optical elements
FR1301143A (en) Process for manufacturing transparent articles in synthetic resin, in particular optical lenses
FR1170917A (en) Precision optical element molding process
FR1124516A (en) Plastic structures and their manufacturing process
FR1209921A (en) Process of finishing textile glass intended for the manufacture of reinforced plastic materials
FR1204627A (en) Improvements in the manufacture of optical and ophthalmic lenses in thermosetting synthetic resins
FR1191113A (en) Improvements in the manufacture of optical and ophthalmic lenses in synthetic resins
FR1130634A (en) Method of manufacturing optical surfaces and lenses having the surfaces thus obtained
FR1211005A (en) spectacle lenses or lens blanks and their manufacturing process
FR1166113A (en) Method and apparatus for the manufacture of optical glasses or plastic lenses
CH350435A (en) Process for manufacturing an optical filter and filter obtained by this process
FR1138421A (en) Precision glass tube and its manufacturing process
FR1098591A (en) Lenses of regularly degraded tint, in particular for glasses and windshields, and their manufacturing process
FR1165954A (en) Manufacturing process of plastic sheets