ES2124857T3 - Procedimiento de fabricacion de un cristal para faros. - Google Patents

Procedimiento de fabricacion de un cristal para faros.

Info

Publication number
ES2124857T3
ES2124857T3 ES94401303T ES94401303T ES2124857T3 ES 2124857 T3 ES2124857 T3 ES 2124857T3 ES 94401303 T ES94401303 T ES 94401303T ES 94401303 T ES94401303 T ES 94401303T ES 2124857 T3 ES2124857 T3 ES 2124857T3
Authority
ES
Spain
Prior art keywords
glass
gob
lighthouse
manufacturing procedure
headlamp
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 - Lifetime
Application number
ES94401303T
Other languages
English (en)
Inventor
Michel Blin
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.)
HOLOPHANE LA SA
Original Assignee
HOLOPHANE LA 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 HOLOPHANE LA SA filed Critical HOLOPHANE LA SA
Application granted granted Critical
Publication of ES2124857T3 publication Critical patent/ES2124857T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C03B11/10—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
    • C03B11/06—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
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/41—Profiled surfaces
    • C03B2215/412—Profiled surfaces fine structured, e.g. fresnel lenses, prismatic reflectors, other sharp-edged surface profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Glass Compositions (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Confectionery (AREA)
  • Steroid Compounds (AREA)

Abstract

PROCEDIMIENTO DE FABRICACION DE UN CRISTAL DE FARO (1) DESTINADO A MONTARSE EN UN SOPORTE, EN ESPECIAL UNA CARCASA DE UN BLOQUE OPTICO, QUE COMPRENDE LAS ETAPAS DE PRESIONAR UNA GOTA DE VIDRIO EN UN MOLDE (2) DE MANERA QUE SE OBTIENE UNA PIEZA (3) DE DIMENSION SUPERIOR AL CRISTAL DE FARO (1), Y DE RECORTAR DE LA PIEZA DICHO CRISTAL DE FARO (1) DE MODO QUE SE OBTENGAN DESECHOS Y UN CRISTAL CON LAS DIMENSIONES Y/O FORMAS QUE NO PUEDEN OBTENERSE DIRECTAMENTE POR MOLDEADO UTILIZANDO LA TOTALIDAD DE LA GOTA DE VIDRIO, YA QUE LA GOTA DE VIDRIO SE DEPOSITA EN EL MOLDE DE MANERA QUE LOS DEFECTOS INHERENTES AL MOLDEADO SE FORMAN EN LOS DESECHOS.
ES94401303T 1993-06-18 1994-06-10 Procedimiento de fabricacion de un cristal para faros. Expired - Lifetime ES2124857T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9307428A FR2706445B1 (fr) 1993-06-18 1993-06-18 Procédé de fabrication de glace de phare, glace ainsi obtenue et moule pour la mise en Óoeuvre de ce procédé.

Publications (1)

Publication Number Publication Date
ES2124857T3 true ES2124857T3 (es) 1999-02-16

Family

ID=9448319

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94401303T Expired - Lifetime ES2124857T3 (es) 1993-06-18 1994-06-10 Procedimiento de fabricacion de un cristal para faros.

Country Status (5)

Country Link
EP (1) EP0629588B1 (es)
AT (1) ATE171923T1 (es)
DE (1) DE69413749T2 (es)
ES (1) ES2124857T3 (es)
FR (1) FR2706445B1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6410192B1 (en) * 1999-11-15 2002-06-25 Corning Incorporated Photolithography method, photolithography mask blanks, and method of making
JP3874066B2 (ja) * 2000-12-27 2007-01-31 信越化学工業株式会社 シリカガラス基板の選別方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB458556A (en) * 1936-05-01 1936-12-22 Walter Redlhammer Improvements in or relating to devices for moulding glass under pressure
US2691905A (en) * 1949-12-19 1954-10-19 Gen Motors Corp Apparatus for making dies
FR1274570A (fr) * 1960-09-12 1961-10-27 Machal Projecteurs Moule pour l'exécution de glaces de projecteurs multiples pour véhicules automobiles
FR2415607A1 (fr) * 1978-01-27 1979-08-24 Seima Procede de moulage d'elements optiques en verre tels que les glaces des projecteurs d'automobiles ou analogues

Also Published As

Publication number Publication date
DE69413749D1 (de) 1998-11-12
EP0629588A1 (fr) 1994-12-21
FR2706445A1 (fr) 1994-12-23
FR2706445B1 (fr) 1995-09-08
DE69413749T2 (de) 1999-05-27
EP0629588B1 (fr) 1998-10-07
ATE171923T1 (de) 1998-10-15

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