DE2255923A1 - Verfahren zum abformen von optischen linsen aus organischem material sowie nach diesem verfahren hergestellte linsen - Google Patents

Verfahren zum abformen von optischen linsen aus organischem material sowie nach diesem verfahren hergestellte linsen

Info

Publication number
DE2255923A1
DE2255923A1 DE19722255923 DE2255923A DE2255923A1 DE 2255923 A1 DE2255923 A1 DE 2255923A1 DE 19722255923 DE19722255923 DE 19722255923 DE 2255923 A DE2255923 A DE 2255923A DE 2255923 A1 DE2255923 A1 DE 2255923A1
Authority
DE
Germany
Prior art keywords
individual
lenses
mold
polished
carrier plates
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.)
Withdrawn
Application number
DE19722255923
Other languages
German (de)
English (en)
Inventor
Paul-Andre Mottet
Claude Ortlieb
Gerard Perrin
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.)
Vergo SA
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
Publication of DE2255923A1 publication Critical patent/DE2255923A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021Compression 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00413Production 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/0048Moulds for lenses
    • B29D11/00528Consisting of two mould halves joined by an annular gasket
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/0048Moulds for lenses
    • B29D11/00538Feeding arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/0022Multi-cavity moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/76Office equipment or accessories
    • B29L2031/7602Maps

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)
DE19722255923 1971-11-16 1972-11-15 Verfahren zum abformen von optischen linsen aus organischem material sowie nach diesem verfahren hergestellte linsen Withdrawn DE2255923A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2255923A1 true DE2255923A1 (de) 1973-05-24

Family

ID=9086105

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722255923 Withdrawn DE2255923A1 (de) 1971-11-16 1972-11-15 Verfahren zum abformen von optischen linsen aus organischem material sowie nach diesem verfahren hergestellte linsen

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154382A3 (en) * 1984-03-09 1986-02-12 Philips Electronic And Associated Industries Limited Method of producing a lens element having an accurately centred aspherical surface formed by replication, and apparatus for carrying out the method
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
WO2009071279A1 (de) * 2007-12-03 2009-06-11 Christoph Egger Verfahren zur herstellung von gussteilen aus polyurethan

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH640951A5 (fr) * 1978-05-22 1984-01-31 Shinano Kikaku Co Ltd Unite accessoire a fixer sur un objectif.
CA1143518A (en) * 1979-01-15 1983-03-29 George T. Croft Method and apparatus for making plastic lenses
US7615180B2 (en) 2005-07-08 2009-11-10 Gentex Optics, Inc. Method for injection molding with direct insert thermal control
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154382A3 (en) * 1984-03-09 1986-02-12 Philips Electronic And Associated Industries Limited Method of producing a lens element having an accurately centred aspherical surface formed by replication, and apparatus for carrying out the method
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
WO2009071279A1 (de) * 2007-12-03 2009-06-11 Christoph Egger Verfahren zur herstellung von gussteilen aus polyurethan

Also Published As

Publication number Publication date
FR2160328B1 (enrdf_load_stackoverflow) 1976-02-13
FR2160328A1 (enrdf_load_stackoverflow) 1973-06-29
JPS4862441A (enrdf_load_stackoverflow) 1973-08-31
GB1395203A (en) 1975-05-21
IT969255B (it) 1974-03-30

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