IT8025227A0 - PROCEDURE FOR THE MANUFACTURE OF PREFORMED FIBER OPTICS. - Google Patents
PROCEDURE FOR THE MANUFACTURE OF PREFORMED FIBER OPTICS.Info
- Publication number
- IT8025227A0 IT8025227A0 IT8025227A IT2522780A IT8025227A0 IT 8025227 A0 IT8025227 A0 IT 8025227A0 IT 8025227 A IT8025227 A IT 8025227A IT 2522780 A IT2522780 A IT 2522780A IT 8025227 A0 IT8025227 A0 IT 8025227A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacture
- fiber optics
- preformed fiber
- preformed
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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]
- C03B37/01413—Reactant delivery systems
- C03B37/0142—Reactant deposition burners
-
- 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]
- C03B37/0144—Means for after-treatment or catching of worked reactant gases
-
- 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
-
- 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
- C03B2203/24—Single mode [SM or monomode]
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/06—Concentric circular ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/10—Split ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/16—Non-circular ports, e.g. square or oval
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/18—Eccentric ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/42—Assembly details; Material or dimensions of burner; Manifolds or supports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/50—Multiple burner arrangements
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/60—Relationship between burner and deposit, e.g. position
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/60—Relationship between burner and deposit, e.g. position
- C03B2207/64—Angle
-
- 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
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12953079A JPS6044258B2 (en) | 1979-10-09 | 1979-10-09 | synthesis torch |
JP3480A JPS5696740A (en) | 1980-01-07 | 1980-01-07 | Preparation of optical fiber matrix |
JP3380A JPS5938171B2 (en) | 1980-01-07 | 1980-01-07 | Manufacturing method of optical fiber base material |
JP9384180A JPS6041627B2 (en) | 1980-07-11 | 1980-07-11 | Manufacturing method of optical fiber base material |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8025227A0 true IT8025227A0 (en) | 1980-10-09 |
IT1133839B IT1133839B (en) | 1986-07-24 |
Family
ID=27453081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25227/80A IT1133839B (en) | 1979-10-09 | 1980-10-09 | PROCEDURE FOR THE MANUFACTURE OF PREFORMED FOR OPTICAL FIBERS |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE3036915A1 (en) |
FR (1) | FR2467180B1 (en) |
GB (3) | GB2059944B (en) |
IT (1) | IT1133839B (en) |
NL (1) | NL189814C (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57100933A (en) * | 1980-12-12 | 1982-06-23 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of base material for optical fiber |
JPS57100934A (en) * | 1980-12-12 | 1982-06-23 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of optical fiber preform |
US4378985A (en) * | 1981-06-04 | 1983-04-05 | Corning Glass Works | Method and apparatus for forming an optical waveguide fiber |
NL8103648A (en) * | 1981-08-03 | 1983-03-01 | Philips Nv | METHOD FOR MANUFACTURING FORMS FOR DRAWING OPTICAL FIBERS AND FORMS ACCORDING TO THIS METHOD AND FOR APPARATUS FOR MANUFACTURING OPTICAL FIBERS |
US4389229A (en) * | 1981-10-01 | 1983-06-21 | Western Electric Co., Inc. | Methods and apparatus for fabricating a lightguide preform |
JPS6059178B2 (en) * | 1982-03-12 | 1985-12-24 | 日本電信電話株式会社 | Method for manufacturing base material for optical fiber |
WO1983003777A1 (en) * | 1982-04-26 | 1983-11-10 | Western Electric Company, Inc. | Vapor-phase axial deposition system |
DE3219544A1 (en) * | 1982-05-25 | 1983-12-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Process for the production of an optical waveguide |
US4568370A (en) * | 1982-09-29 | 1986-02-04 | Corning Glass Works | Optical fiber preform and method |
DE3240355C1 (en) * | 1982-11-02 | 1983-11-17 | Heraeus Quarzschmelze Gmbh, 6450 Hanau | Process for the production of an elongated glass body with an inhomogeneous refractive index distribution |
JPS59232934A (en) * | 1983-06-17 | 1984-12-27 | Sumitomo Electric Ind Ltd | Production of base material for optical fiber |
DE3474657D1 (en) * | 1984-01-31 | 1988-11-24 | Nippon Telegraph & Telephone | Method of fabricating optical fiber preforms |
CA1284921C (en) * | 1984-02-27 | 1991-06-18 | Hiroyuki Suda | Method, apparatus and burner for fabricating an optical fiber preform |
JPS6126532A (en) * | 1984-07-13 | 1986-02-05 | Sumitomo Electric Ind Ltd | Production of base material for optical fiber |
JPS61197439A (en) * | 1985-02-27 | 1986-09-01 | Furukawa Electric Co Ltd:The | Production of porous glass rod and devices therefor |
US5110335A (en) * | 1990-06-25 | 1992-05-05 | At&T Bell Laboratories | Method of glass soot deposition using ultrasonic nozzle |
JP3118822B2 (en) * | 1990-09-07 | 2000-12-18 | 住友電気工業株式会社 | Method for manufacturing glass articles |
JP3832008B2 (en) * | 1997-02-28 | 2006-10-11 | 株式会社ニコン | Quartz glass manufacturing equipment |
USD415315S (en) | 1998-04-24 | 1999-10-12 | The Gillette Company | Razor cartridge |
DE10058558C2 (en) * | 2000-11-24 | 2002-11-07 | Heraeus Quarzglas | Method and device for producing a quartz glass body |
PL2853362T3 (en) | 2013-09-25 | 2017-01-31 | Bic Violex S.A. | A shaving blade cartridge |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4135901A (en) * | 1974-12-18 | 1979-01-23 | Sumitomo Electric Industries, Ltd. | Method of manufacturing glass for optical waveguide |
FR2313327A1 (en) * | 1975-06-06 | 1976-12-31 | Quartz & Silice | VERY HIGH PURITY GLASS PREPARATION PROCESS USED IN PARTICULAR FOR THE MANUFACTURE OF OPTICAL FIBERS |
CH620181A5 (en) * | 1975-08-16 | 1980-11-14 | Heraeus Schott Quarzschmelze | Process for the preparation of synthetic quartz glass, apparatus to carry out the process, and the use of the synthetic quartz glass |
JPS52121341A (en) * | 1976-04-06 | 1977-10-12 | Nippon Telegr & Teleph Corp <Ntt> | Production of optical fiber base materials and production apparatus fo r the same |
JPS5927728B2 (en) * | 1977-08-11 | 1984-07-07 | 日本電信電話株式会社 | Manufacturing method of sooty glass rod |
JPS54112218A (en) * | 1978-02-20 | 1979-09-03 | Nippon Telegr & Teleph Corp <Ntt> | Production of optical fiber |
JPS54116429A (en) * | 1978-03-03 | 1979-09-10 | Hitachi Ltd | Production of material for optical fiber |
-
1980
- 1980-09-30 DE DE19803036915 patent/DE3036915A1/en active Granted
- 1980-10-02 GB GB8031821A patent/GB2059944B/en not_active Expired
- 1980-10-07 NL NLAANVRAGE8005546,A patent/NL189814C/en not_active IP Right Cessation
- 1980-10-08 FR FR8021512A patent/FR2467180B1/en not_active Expired
- 1980-10-09 IT IT25227/80A patent/IT1133839B/en active
-
1983
- 1983-01-14 GB GB08301031A patent/GB2128982B/en not_active Expired
- 1983-01-14 GB GB08301030A patent/GB2128981B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2128981A (en) | 1984-05-10 |
DE3036915A1 (en) | 1981-04-23 |
IT1133839B (en) | 1986-07-24 |
GB2128981B (en) | 1984-10-10 |
GB8301031D0 (en) | 1983-02-16 |
GB2128982A (en) | 1984-05-10 |
FR2467180B1 (en) | 1986-07-11 |
DE3036915C2 (en) | 1987-01-22 |
GB8301030D0 (en) | 1983-02-16 |
NL8005546A (en) | 1981-04-13 |
FR2467180A1 (en) | 1981-04-17 |
GB2128982B (en) | 1984-10-31 |
GB2059944B (en) | 1983-11-30 |
GB2059944A (en) | 1981-04-29 |
NL189814C (en) | 1993-08-02 |
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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: 19970926 |