IT969255B - Procedimento per la formatura di lenti ottiche in materiale organico e lenti ottenute col tale procedi mento - Google Patents

Procedimento per la formatura di lenti ottiche in materiale organico e lenti ottenute col tale procedi mento

Info

Publication number
IT969255B
IT969255B IT1300772A IT1300772A IT969255B IT 969255 B IT969255 B IT 969255B IT 1300772 A IT1300772 A IT 1300772A IT 1300772 A IT1300772 A IT 1300772A IT 969255 B IT969255 B IT 969255B
Authority
IT
Italy
Prior art keywords
lenses
procedure
forming
organic material
optical lenses
Prior art date
Application number
IT1300772A
Other languages
English (en)
Inventor
C Ortlieb
G Perrin
Original Assignee
Vergo 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 Vergo Sa filed Critical Vergo Sa
Application granted granted Critical
Publication of IT969255B publication Critical patent/IT969255B/it

Links

Classifications

    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B29D11/00009—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
    • 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
    • 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
    • B29C33/0022—Multi-cavity moulds
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
IT1300772A 1971-11-16 1972-11-14 Procedimento per la formatura di lenti ottiche in materiale organico e lenti ottenute col tale procedi mento IT969255B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7141633A FR2160328B1 (it) 1971-11-16 1971-11-16

Publications (1)

Publication Number Publication Date
IT969255B true IT969255B (it) 1974-03-30

Family

ID=9086105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1300772A IT969255B (it) 1971-11-16 1972-11-14 Procedimento per la formatura di lenti ottiche in materiale organico e lenti ottenute col tale procedi mento

Country Status (5)

Country Link
JP (1) JPS4862441A (it)
DE (1) DE2255923A1 (it)
FR (1) FR2160328B1 (it)
GB (1) GB1395203A (it)
IT (1) IT969255B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979001091A1 (en) * 1978-05-22 1979-12-13 Shinano Kikaku Co Ltd Optical device for wide-scope
CA1143518A (en) * 1979-01-15 1983-03-29 George T. Croft Method and apparatus for making plastic lenses
GB2155388A (en) * 1984-03-09 1985-09-25 Philips Electronic Associated Moulding an accurately centred lens surface
DE102004043385B3 (de) * 2004-09-08 2006-05-18 Seereal Technologies Gmbh Verfahren und Einrichtung zur Replikation fein strukturierter Flachoptiken und optischen Masken mit derartigen strukturierten Optiken
US7615180B2 (en) 2005-07-08 2009-11-10 Gentex Optics, Inc. Method for injection molding with direct insert thermal control
DE102007057987A1 (de) * 2007-12-03 2009-06-10 Christoph Egger Verfahren zur Herstellung von Gussteilen aus Polyurethan
JP2011098487A (ja) * 2009-11-05 2011-05-19 Fujifilm Corp 素子アレイ成形型、及び該成形型を用いて成形された素子アレイ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516373A (en) * 1946-11-09 1950-07-25 Domar Products Inc Mold for making integral plastic frames and lenses
FR1090073A (fr) * 1953-09-22 1955-03-28 L O S Lentilles Ophtalmiques S Procédé de fabrication de lentilles en résines synthétiques

Also Published As

Publication number Publication date
FR2160328B1 (it) 1976-02-13
GB1395203A (en) 1975-05-21
DE2255923A1 (de) 1973-05-24
JPS4862441A (it) 1973-08-31
FR2160328A1 (it) 1973-06-29

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