FR2738237B1 - Procede et dispositif de fabrication d'une barre a section droite rectangulaire, en un materiau presentant un gradient de composition perpendiculairement a deux faces longitudinales opposees de la barre - Google Patents

Procede et dispositif de fabrication d'une barre a section droite rectangulaire, en un materiau presentant un gradient de composition perpendiculairement a deux faces longitudinales opposees de la barre

Info

Publication number
FR2738237B1
FR2738237B1 FR9510343A FR9510343A FR2738237B1 FR 2738237 B1 FR2738237 B1 FR 2738237B1 FR 9510343 A FR9510343 A FR 9510343A FR 9510343 A FR9510343 A FR 9510343A FR 2738237 B1 FR2738237 B1 FR 2738237B1
Authority
FR
France
Prior art keywords
gradient
manufacturing
section bar
straight section
opposite longitudinal
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 - Fee Related
Application number
FR9510343A
Other languages
English (en)
Other versions
FR2738237A1 (fr
Inventor
Michel Prassas
Alain Kerdoncuff
Claude Francois Maurice Gille
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.)
Corning Inc
Original Assignee
Corning Inc
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
Priority to FR9510343A priority Critical patent/FR2738237B1/fr
Application filed by Corning Inc filed Critical Corning Inc
Priority to DE1996619682 priority patent/DE69619682T2/de
Priority to EP96927354A priority patent/EP0848688B1/fr
Priority to US09/011,839 priority patent/US6138479A/en
Priority to JP51119697A priority patent/JPH11512374A/ja
Priority to PCT/US1996/012916 priority patent/WO1997009278A1/fr
Publication of FR2738237A1 publication Critical patent/FR2738237A1/fr
Application granted granted Critical
Publication of FR2738237B1 publication Critical patent/FR2738237B1/fr
Priority to US09/664,823 priority patent/US6318128B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/02—Forming molten glass coated with coloured layers; Forming molten glass of different compositions or layers; Forming molten glass comprising reinforcements or inserts
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/02—Forming molten glass coated with coloured layers; Forming molten glass of different compositions or layers; Forming molten glass comprising reinforcements or inserts
    • C03B17/025—Tubes or rods
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
    • C03B37/01268—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by casting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
FR9510343A 1995-09-04 1995-09-04 Procede et dispositif de fabrication d'une barre a section droite rectangulaire, en un materiau presentant un gradient de composition perpendiculairement a deux faces longitudinales opposees de la barre Expired - Fee Related FR2738237B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9510343A FR2738237B1 (fr) 1995-09-04 1995-09-04 Procede et dispositif de fabrication d'une barre a section droite rectangulaire, en un materiau presentant un gradient de composition perpendiculairement a deux faces longitudinales opposees de la barre
EP96927354A EP0848688B1 (fr) 1995-09-04 1996-08-07 Procede de fabrication d'un article a gradient de composition
US09/011,839 US6138479A (en) 1995-09-04 1996-08-07 Method for making an article having a gradient of composition
JP51119697A JPH11512374A (ja) 1995-09-04 1996-08-07 組成勾配を有する製品を製造する方法
DE1996619682 DE69619682T2 (de) 1995-09-04 1996-08-07 Verfahren zum herstellen einer gegenstand mit gradientzusammensetzung
PCT/US1996/012916 WO1997009278A1 (fr) 1995-09-04 1996-08-07 Procede de fabrication d'un article a gradient de composition
US09/664,823 US6318128B1 (en) 1995-09-04 2000-09-19 Method of making an article having a gradient composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9510343A FR2738237B1 (fr) 1995-09-04 1995-09-04 Procede et dispositif de fabrication d'une barre a section droite rectangulaire, en un materiau presentant un gradient de composition perpendiculairement a deux faces longitudinales opposees de la barre

Publications (2)

Publication Number Publication Date
FR2738237A1 FR2738237A1 (fr) 1997-03-07
FR2738237B1 true FR2738237B1 (fr) 1997-11-14

Family

ID=9482244

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9510343A Expired - Fee Related FR2738237B1 (fr) 1995-09-04 1995-09-04 Procede et dispositif de fabrication d'une barre a section droite rectangulaire, en un materiau presentant un gradient de composition perpendiculairement a deux faces longitudinales opposees de la barre

Country Status (2)

Country Link
US (1) US6318128B1 (fr)
FR (1) FR2738237B1 (fr)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US972433A (en) * 1907-10-17 1910-10-11 Lawrence R Blackmore Apparatus for making glass tiling.
US1108205A (en) * 1912-03-04 1914-08-25 George R Meyercord Process of making heavy structural white glass.
FR592225A (fr) * 1923-05-08 1925-07-29 Appareil pour la fabrication continue de feuilles de verre
US1748587A (en) * 1927-05-02 1930-02-25 Anderson B Smedley Window glass or the like
US1770335A (en) * 1928-07-31 1930-07-08 Gen Electric Method and apparatus for making blown-glass articles
DE592954C (de) * 1932-07-02 1934-02-19 Schlesische Spiegelglas Manufa Verfahren zum Herstellen von gewalzten, auch gemusterten Glasscheiben
US1984924A (en) * 1933-08-05 1934-12-18 Pittsburgh Plate Glass Co Apparatus for making insulating glass
US3256081A (en) * 1957-04-24 1966-06-14 Saint Gobain Manufacture of flat glass
US3575789A (en) * 1966-12-27 1971-04-20 Owens Corning Fiberglass Corp Fiber ceramic composites and method of producing same
US3804690A (en) * 1970-05-11 1974-04-16 Kanegafuchi Spinning Co Ltd Method for preparing a multi-layer structure
US3899314A (en) * 1974-03-18 1975-08-12 American Optical Corp Lens manufacturing process
CA1044930A (fr) * 1974-12-16 1978-12-26 Emil W. Deeg Mode de fabrication de lentilles a plusieurs foyers
US4929065A (en) * 1988-11-03 1990-05-29 Isotec Partners, Ltd. Glass plate fusion for macro-gradient refractive index materials
WO1995015927A1 (fr) * 1993-12-08 1995-06-15 Lightpath Technologies, Inc. Procede de fabrication de lentilles a gradient d'indices de refraction
US5689374A (en) * 1995-03-08 1997-11-18 Lightpath Technologies, Inc. GRIN lens and method of manufacturing
US5858046A (en) * 1995-05-30 1999-01-12 Corning Incorporated Method of making an internally channeled glass article

Also Published As

Publication number Publication date
FR2738237A1 (fr) 1997-03-07
US6318128B1 (en) 2001-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060531