IT1164952B - Processo di stampaggio di elementi ottici di vetro come i vetri dei fari di autoveicoli o simili - Google Patents

Processo di stampaggio di elementi ottici di vetro come i vetri dei fari di autoveicoli o simili

Info

Publication number
IT1164952B
IT1164952B IT19046/79A IT1904679A IT1164952B IT 1164952 B IT1164952 B IT 1164952B IT 19046/79 A IT19046/79 A IT 19046/79A IT 1904679 A IT1904679 A IT 1904679A IT 1164952 B IT1164952 B IT 1164952B
Authority
IT
Italy
Prior art keywords
similar
optical elements
molding process
vehicle headlight
glass optical
Prior art date
Application number
IT19046/79A
Other languages
English (en)
Other versions
IT7919046A0 (it
Original Assignee
Seima
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 Seima filed Critical Seima
Publication of IT7919046A0 publication Critical patent/IT7919046A0/it
Application granted granted Critical
Publication of IT1164952B publication Critical patent/IT1164952B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/082—Construction of plunger or mould for making solid articles, e.g. lenses having profiled, patterned or microstructured surfaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/10—Construction of plunger or mould for making hollow or semi-hollow articles
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/122—Heating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/125—Cooling
    • C03B11/127—Cooling of hollow or semi-hollow articles or their moulds
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/41—Profiled surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
IT19046/79A 1978-01-27 1979-01-03 Processo di stampaggio di elementi ottici di vetro come i vetri dei fari di autoveicoli o simili IT1164952B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7802389A FR2415607A1 (fr) 1978-01-27 1978-01-27 Procede de moulage d'elements optiques en verre tels que les glaces des projecteurs d'automobiles ou analogues

Publications (2)

Publication Number Publication Date
IT7919046A0 IT7919046A0 (it) 1979-01-03
IT1164952B true IT1164952B (it) 1987-04-22

Family

ID=9203917

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19046/79A IT1164952B (it) 1978-01-27 1979-01-03 Processo di stampaggio di elementi ottici di vetro come i vetri dei fari di autoveicoli o simili

Country Status (2)

Country Link
FR (1) FR2415607A1 (it)
IT (1) IT1164952B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8948094A0 (it) * 1989-06-16 1989-06-16 Siv Soc Italiana Vetro Procedimento ed apparecchiatura per la fabbricazione di uno specchio a forma prismatica, atto ad essere utilizzato come specchio retrovisore in un autoveicolo
FR2706445B1 (fr) * 1993-06-18 1995-09-08 Holophane Procédé de fabrication de glace de phare, glace ainsi obtenue et moule pour la mise en Óoeuvre de ce procédé.
DE10216706B9 (de) 2002-04-16 2007-02-08 Schott Ag Verfahren zur Herstellung einer Projektionsscheinwerferlinse
DE102004048500B9 (de) * 2004-10-06 2010-03-25 Schott Ag Verfahren zur Herstellung einer Projektionsscheinwerferlinse und Werkzeug zum Blankpressen
DE102005043819A1 (de) 2005-09-13 2007-03-29 Doctor Optics Gmbh Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer
FR3110359B1 (fr) * 2020-05-19 2022-06-03 Pochet Du Courval Récipient monolithique compartimenté, en verre épais, équipement et procédé de moulage d’un tel récipient

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB271766A (en) * 1926-12-31 1927-06-02 William Asbury Dorey Improvements in diffuse prismatic reflector and method of making the same
FR802890A (fr) * 1935-02-02 1936-09-17 Verreries Gobeleteries L Esper Procédé de fabrication par soufflage d'objets en verre et moule pour la réalisation de ce procédé
FR832810A (fr) * 1937-02-05 1938-10-04 Corning Glass Works Procédé de fabrication d'articles en verre à surfaces optiques précises, et articles produits d'après ce procédé
US3244497A (en) * 1962-09-27 1966-04-05 Bausch & Lomb Glass press mold structure with temperature regulation
FR1386634A (fr) * 1964-01-24 1965-01-22 Bausch & Lomb ébauche de lentille et procédé de fabrication de ladite ébauche
US3468654A (en) * 1966-05-02 1969-09-23 Owens Illinois Inc Method and apparatus for controlling the heat build-up within glassware forming apparatus
BE509738A (it) * 1967-06-19
DE2001977C3 (de) * 1970-01-17 1981-05-14 Jenaer Glaswerk Schott & Gen., 6500 Mainz Vorformeinrichtung zur Erzeugung eines Vorpreßlings für vorzugsweise Hohlglaskörper

Also Published As

Publication number Publication date
IT7919046A0 (it) 1979-01-03
FR2415607A1 (fr) 1979-08-24
FR2415607B1 (it) 1984-09-07

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950125