FR2160328B1 - - Google Patents

Info

Publication number
FR2160328B1
FR2160328B1 FR7141633A FR7141633A FR2160328B1 FR 2160328 B1 FR2160328 B1 FR 2160328B1 FR 7141633 A FR7141633 A FR 7141633A FR 7141633 A FR7141633 A FR 7141633A FR 2160328 B1 FR2160328 B1 FR 2160328B1
Authority
FR
France
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
FR7141633A
Other languages
French (fr)
Other versions
FR2160328A1 (it
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 Fr
Original Assignee
Vergo SA Fr
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 Fr filed Critical Vergo SA Fr
Priority to FR7141633A priority Critical patent/FR2160328B1/fr
Priority to GB5225872A priority patent/GB1395203A/en
Priority to IT1300772A priority patent/IT969255B/it
Priority to DE19722255923 priority patent/DE2255923A1/de
Priority to JP11434572A priority patent/JPS4862441A/ja
Publication of FR2160328A1 publication Critical patent/FR2160328A1/fr
Application granted granted Critical
Publication of FR2160328B1 publication Critical patent/FR2160328B1/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
    • 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
FR7141633A 1971-11-16 1971-11-16 Expired FR2160328B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7141633A FR2160328B1 (it) 1971-11-16 1971-11-16
GB5225872A GB1395203A (en) 1971-11-16 1972-11-13 Manufacture of optical lenses of organic material
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
DE19722255923 DE2255923A1 (de) 1971-11-16 1972-11-15 Verfahren zum abformen von optischen linsen aus organischem material sowie nach diesem verfahren hergestellte linsen
JP11434572A JPS4862441A (it) 1971-11-16 1972-11-16

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2160328A1 FR2160328A1 (it) 1973-06-29
FR2160328B1 true FR2160328B1 (it) 1976-02-13

Family

ID=9086105

Family Applications (1)

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

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
DE2950515C1 (de) * 1978-05-22 1985-04-18 Shinano Kikaku Co.Ltd., Tokio/Tokyo Vorsatzobjektiv fuer optische Geraete
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
DE2255923A1 (de) 1973-05-24
FR2160328A1 (it) 1973-06-29
IT969255B (it) 1974-03-30
GB1395203A (en) 1975-05-21
JPS4862441A (it) 1973-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse