DE3885184D1 - Ofen zum erwärmen von glaswerkstoffen für optische fasern und verfahren zur herstellung. - Google Patents
Ofen zum erwärmen von glaswerkstoffen für optische fasern und verfahren zur herstellung.Info
- Publication number
- DE3885184D1 DE3885184D1 DE88901646T DE3885184T DE3885184D1 DE 3885184 D1 DE3885184 D1 DE 3885184D1 DE 88901646 T DE88901646 T DE 88901646T DE 3885184 T DE3885184 T DE 3885184T DE 3885184 D1 DE3885184 D1 DE 3885184D1
- Authority
- DE
- Germany
- Prior art keywords
- oven
- production
- optical fibers
- glass materials
- heating glass
- 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
Links
Classifications
-
- 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
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
-
- 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
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
- C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/10—Muffles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/0003—Linings or walls
- F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3477087 | 1987-02-16 | ||
JP3476987 | 1987-02-16 | ||
JP3477187 | 1987-02-16 | ||
JP3477287 | 1987-02-16 | ||
JP14403587 | 1987-06-11 | ||
JP14876987 | 1987-06-15 | ||
PCT/JP1988/000151 WO1988006145A1 (en) | 1987-02-16 | 1988-02-16 | Heating furnace for glass materials for optical fiber and method of manufacturing same |
CA000572413A CA1323193C (en) | 1987-06-15 | 1988-07-19 | Furnace for heating glass preform for optical fiber and method for producing glass preform |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3885184D1 true DE3885184D1 (de) | 1993-12-02 |
DE3885184T2 DE3885184T2 (de) | 1994-04-14 |
Family
ID=27560930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88901646T Expired - Fee Related DE3885184T2 (de) | 1987-02-16 | 1988-02-16 | Ofen zum erwärmen von glaswerkstoffen für optische fasern und verfahren zur herstellung. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0302121B1 (de) |
AU (1) | AU593724B2 (de) |
DE (1) | DE3885184T2 (de) |
HK (1) | HK91594A (de) |
WO (1) | WO1988006145A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2553633B2 (ja) * | 1988-05-19 | 1996-11-13 | 住友電気工業株式会社 | 高温炉の断熱方法 |
AU626362B2 (en) * | 1988-12-29 | 1992-07-30 | Sumitomo Electric Industries, Ltd. | Furnace for producing high purity quartz glass preform |
JPH02196045A (ja) * | 1989-01-23 | 1990-08-02 | Sumitomo Electric Ind Ltd | 高純度石英母材製造用加熱炉 |
JPH03131544A (ja) * | 1989-06-29 | 1991-06-05 | Sumitomo Electric Ind Ltd | 光ファイバ用ガラス母材の加熱炉および製法 |
JP2808857B2 (ja) * | 1989-09-06 | 1998-10-08 | 住友電気工業株式会社 | 光ファイバ用ガラス母材の加熱炉および製法 |
US5259856A (en) * | 1989-09-06 | 1993-11-09 | Sumitomo Electric Industrial, Ltd. | Method of producing glass preform in furnace for heating glass |
CA2025880A1 (en) * | 1989-09-25 | 1991-03-26 | Ichiro Tsuchiya | Furnace for production of optical fiber preform |
ES2069877T3 (es) * | 1990-02-05 | 1995-05-16 | Furukawa Electric Co Ltd | Vidrio de cuarzo dopado con elemento de tierras raras y su produccion. |
GB9210327D0 (en) * | 1992-05-14 | 1992-07-01 | Tsl Group Plc | Heat treatment facility for synthetic vitreous silica bodies |
WO1993024219A1 (de) * | 1992-05-26 | 1993-12-09 | Lonza Ag | Wirbelschicht-reaktionsrohr mit gasverteiler und dessen verwendung |
JP3060782B2 (ja) * | 1993-06-08 | 2000-07-10 | 住友電気工業株式会社 | 高純度透明ガラスの製造方法 |
NL1024943C2 (nl) * | 2003-12-04 | 2005-06-07 | Draka Fibre Technology Bv | Werkwijze ter vervaardiging van een optische vezel. |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1101164A (en) * | 1977-04-30 | 1981-05-19 | Sumitomo Electric Industries, Ltd. | Method and apparatus for producing fibers for optical transmission |
JPS57100933A (en) * | 1980-12-12 | 1982-06-23 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of base material for optical fiber |
AU546073B2 (en) * | 1982-02-15 | 1985-08-15 | Nippon Telegraph & Telephone Corporation | Regulation of growth of optical fibre preform face |
JPS60145923A (ja) * | 1984-01-05 | 1985-08-01 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造装置 |
JPS6136129A (ja) * | 1984-07-30 | 1986-02-20 | Sumitomo Electric Ind Ltd | 光フアイバ用ガラス母材の製造方法 |
JPS61201634A (ja) * | 1985-03-01 | 1986-09-06 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
JPS61215226A (ja) * | 1985-03-22 | 1986-09-25 | Furukawa Electric Co Ltd:The | 光学系ガラスス−ト用透明ガラス化炉 |
US4741748A (en) * | 1986-01-30 | 1988-05-03 | Corning Glass Works | Heating oven for preparing optical waveguide fibers |
DE3711281C1 (de) * | 1987-04-03 | 1988-06-16 | Heraeus Schott Quarzschmelze | Verfahren zum Verglasen eines poroesen,aus Glasruss bestehenden Koerpers und Ofen zu dessen Durchfuehrung |
-
1988
- 1988-02-16 EP EP19880901646 patent/EP0302121B1/de not_active Expired - Lifetime
- 1988-02-16 WO PCT/JP1988/000151 patent/WO1988006145A1/ja active IP Right Grant
- 1988-02-16 AU AU12918/88A patent/AU593724B2/en not_active Ceased
- 1988-02-16 DE DE88901646T patent/DE3885184T2/de not_active Expired - Fee Related
-
1994
- 1994-09-01 HK HK91594A patent/HK91594A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU593724B2 (en) | 1990-02-15 |
EP0302121A4 (de) | 1989-06-21 |
HK91594A (en) | 1994-09-09 |
EP0302121B1 (de) | 1993-10-27 |
DE3885184T2 (de) | 1994-04-14 |
EP0302121A1 (de) | 1989-02-08 |
AU1291888A (en) | 1988-09-14 |
WO1988006145A1 (en) | 1988-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |