FR2291158B1 - - Google Patents

Info

Publication number
FR2291158B1
FR2291158B1 FR7535175A FR7535175A FR2291158B1 FR 2291158 B1 FR2291158 B1 FR 2291158B1 FR 7535175 A FR7535175 A FR 7535175A FR 7535175 A FR7535175 A FR 7535175A FR 2291158 B1 FR2291158 B1 FR 2291158B1
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
FR7535175A
Other versions
FR2291158A1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2291158A1 publication Critical patent/FR2291158A1/fr
Application granted granted Critical
Publication of FR2291158B1 publication Critical patent/FR2291158B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
FR7535175A 1974-11-18 1975-11-18 Procede pour la realisation d'objets en verre de quartz par etirage a partir d'un bain et objets ainsi obtenus Granted FR2291158A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7414978A NL7414978A (nl) 1974-11-18 1974-11-18 Werkwijze voor de vervaardiging van voorwerpen van kwartsglas door trekken.

Publications (2)

Publication Number Publication Date
FR2291158A1 FR2291158A1 (fr) 1976-06-11
FR2291158B1 true FR2291158B1 (fr) 1979-04-13

Family

ID=19822488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535175A Granted FR2291158A1 (fr) 1974-11-18 1975-11-18 Procede pour la realisation d'objets en verre de quartz par etirage a partir d'un bain et objets ainsi obtenus

Country Status (7)

Country Link
US (1) US4032315A (fr)
JP (1) JPS5820894B2 (fr)
BR (1) BR7507612A (fr)
CA (1) CA1071410A (fr)
DE (1) DE2550706A1 (fr)
FR (1) FR2291158A1 (fr)
NL (1) NL7414978A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3227786C2 (de) * 1982-07-24 1984-08-02 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur Herstellung eines Quarzglasrohres
DE3227785C2 (de) * 1982-07-24 1984-07-19 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur Herstellung eines stab- oder rohrförmigen Quarzglaskörpers
US5236483A (en) * 1985-07-16 1993-08-17 Seiko Epson Corporation Method of preparing silica glass
JPS62164502U (fr) * 1986-04-08 1987-10-19
JPH0271017A (ja) * 1988-09-05 1990-03-09 Matsushita Electric Ind Co Ltd 冷蔵機能付電子レンジ
JPH0271018A (ja) * 1988-09-05 1990-03-09 Matsushita Electric Ind Co Ltd 冷蔵機能付電子レンジ
US5356449A (en) * 1993-05-24 1994-10-18 At&T Bell Laboratories Vad process improvements
JPH1011022A (ja) 1996-06-18 1998-01-16 Sharp Corp 表示装置の駆動回路
US6289698B1 (en) 1996-08-02 2001-09-18 Corning Incorporated Method of making a fiber preform with increases in alumina concentration at radial distances
US8789393B2 (en) * 2004-11-29 2014-07-29 The Furukawa Electric Co., Ltd. Optical fiber preform, method of manufacturing optical fiber preform, and method of manufacturing optical fiber
DE102012006914B4 (de) 2012-04-05 2018-01-18 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung synthetischer Quarzglaskörnung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505001A (en) * 1946-03-28 1950-04-25 Corning Glass Works Method of making ultraviolet transmitting high silica glass
US3459522A (en) * 1963-07-08 1969-08-05 Corning Glass Works Method of treating a porous,high silica content glass
US3717450A (en) * 1970-12-01 1973-02-20 Sylvania Electric Prod Furnace for manufacture of striationfree quartz tubing
US3764286A (en) * 1971-04-22 1973-10-09 Gen Electric Manufacture of elongated fused quartz member
US3775077A (en) * 1971-06-28 1973-11-27 Corning Glass Works Manufacture of vitreous silica bodies
NL7214796A (fr) * 1972-11-02 1974-05-06

Also Published As

Publication number Publication date
BR7507612A (pt) 1976-08-03
DE2550706A1 (de) 1976-05-26
NL7414978A (nl) 1976-05-20
CA1071410A (fr) 1980-02-12
FR2291158A1 (fr) 1976-06-11
JPS5173018A (fr) 1976-06-24
US4032315A (en) 1977-06-28
JPS5820894B2 (ja) 1983-04-26

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Legal Events

Date Code Title Description
ST Notification of lapse