IT1144279B - Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche - Google Patents

Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche

Info

Publication number
IT1144279B
IT1144279B IT67936/81A IT6793681A IT1144279B IT 1144279 B IT1144279 B IT 1144279B IT 67936/81 A IT67936/81 A IT 67936/81A IT 6793681 A IT6793681 A IT 6793681A IT 1144279 B IT1144279 B IT 1144279B
Authority
IT
Italy
Prior art keywords
variations
diameter
measuring
procedure
equipment
Prior art date
Application number
IT67936/81A
Other languages
English (en)
Other versions
IT8167936A0 (it
Inventor
Giorgio Grego
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of IT8167936A0 publication Critical patent/IT8167936A0/it
Priority to IT67936/81A priority Critical patent/IT1144279B/it
Priority to AU85088/82A priority patent/AU550133B2/en
Priority to CA000405823A priority patent/CA1221138A/en
Priority to JP57106981A priority patent/JPS587505A/ja
Priority to DK281582A priority patent/DK150862C/da
Priority to ES513588A priority patent/ES8305121A1/es
Priority to BR8203823A priority patent/BR8203823A/pt
Priority to DE8282105882T priority patent/DE3264262D1/de
Priority to DE198282105882T priority patent/DE69352T1/de
Priority to AT82105882T priority patent/ATE13947T1/de
Priority to EP82105882A priority patent/EP0069352B1/en
Priority to US06/394,535 priority patent/US4523938A/en
Priority to NO822345A priority patent/NO157355C/no
Application granted granted Critical
Publication of IT1144279B publication Critical patent/IT1144279B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/125—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters of objects while moving
    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/0253—Controlling or regulating
IT67936/81A 1981-07-06 1981-07-06 Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche IT1144279B (it)

Priority Applications (13)

Application Number Priority Date Filing Date Title
IT67936/81A IT1144279B (it) 1981-07-06 1981-07-06 Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche
AU85088/82A AU550133B2 (en) 1981-07-06 1982-06-22 Measuring optical-fibre diameter
CA000405823A CA1221138A (en) 1981-07-06 1982-06-23 Process and apparatus for measuring optical-fibre diameter
JP57106981A JPS587505A (ja) 1981-07-06 1982-06-23 光フアイバの直径を測定する方法および装置
DK281582A DK150862C (da) 1981-07-06 1982-06-23 Apparat til maaling af diameteren af optiske fibre
BR8203823A BR8203823A (pt) 1981-07-06 1982-06-30 Processo e aparelho para medicao do diametro de fibras oticas
ES513588A ES8305121A1 (es) 1981-07-06 1982-06-30 Procedimiento y aparato para medir el diametro de fibras opticas.
DE8282105882T DE3264262D1 (en) 1981-07-06 1982-07-01 Process and apparatus for measuring optical-fibre diameter
DE198282105882T DE69352T1 (de) 1981-07-06 1982-07-01 Verfahren und vorrichtung zur messung des durchmessers von optischen fasern.
AT82105882T ATE13947T1 (de) 1981-07-06 1982-07-01 Verfahren und vorrichtung zur messung des durchmessers von optischen fasern.
EP82105882A EP0069352B1 (en) 1981-07-06 1982-07-01 Process and apparatus for measuring optical-fibre diameter
US06/394,535 US4523938A (en) 1981-07-06 1982-07-02 Method of and apparatus for continuously monitoring diameter variations of an optical fiber being drawn
NO822345A NO157355C (no) 1981-07-06 1982-07-05 Fremgangsmaate og anordning til maaling av optiske fibres diametre.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67936/81A IT1144279B (it) 1981-07-06 1981-07-06 Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche

Publications (2)

Publication Number Publication Date
IT8167936A0 IT8167936A0 (it) 1981-07-06
IT1144279B true IT1144279B (it) 1986-10-29

Family

ID=11306506

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67936/81A IT1144279B (it) 1981-07-06 1981-07-06 Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche

Country Status (12)

Country Link
US (1) US4523938A (it)
EP (1) EP0069352B1 (it)
JP (1) JPS587505A (it)
AT (1) ATE13947T1 (it)
AU (1) AU550133B2 (it)
BR (1) BR8203823A (it)
CA (1) CA1221138A (it)
DE (2) DE3264262D1 (it)
DK (1) DK150862C (it)
ES (1) ES8305121A1 (it)
IT (1) IT1144279B (it)
NO (1) NO157355C (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029769U (ja) * 1983-08-06 1985-02-28 三菱自動車工業株式会社 車両用パワ−ステアリング装置
IT1179098B (it) * 1984-09-06 1987-09-16 Cselt Centro Studi Lab Telecom Perfezionamenti alle apparecchiature a condensatore per la misura del diametro di fibre dielettriche
US4594763A (en) * 1984-12-21 1986-06-17 At&T Technologies, Inc. Method and apparatus for inserting a glass rod into a glass tube
US4600424A (en) * 1985-03-21 1986-07-15 Flaming Dale G Method of forming an ultrafine micropipette
IN169141B (it) * 1985-08-21 1991-09-07 Stc Plc
JP2765033B2 (ja) * 1989-04-14 1998-06-11 住友電気工業株式会社 光ファイバーの線引方法
US5443610A (en) * 1994-01-29 1995-08-22 Corning Incorporated Apparatus for controlling fiber diameter during drawing
EP0701105A1 (en) * 1994-09-12 1996-03-13 AT&T Corp. Method and apparatus for controlling the cross-sectional dimensions of optical fibers during fabrication
DE69800722T2 (de) * 1997-05-30 2001-08-02 Shinetsu Chemical Co Verfahren zum Ziehen einer Glasvorform zu einem Stab
US5908484A (en) * 1998-10-16 1999-06-01 Lucent Technologies Inc. Method of making a coated optical fiber comprising measuring the delamination resistance of the coating
JP5460346B2 (ja) * 2010-01-15 2014-04-02 古河電気工業株式会社 光ファイバの線引き方法
CN103925867A (zh) * 2014-04-29 2014-07-16 威海华菱光电股份有限公司 厚度传感器和厚度测量方法
CN103929562B (zh) * 2014-04-29 2017-08-01 威海华菱光电股份有限公司 图像传感器、图像扫描和厚度检测方法
CN103971445A (zh) * 2014-05-13 2014-08-06 威海华菱光电股份有限公司 纸币厚度的检测装置
CN103985189A (zh) * 2014-05-13 2014-08-13 威海华菱光电股份有限公司 纸币厚度的测量装置
CN103971446A (zh) * 2014-05-13 2014-08-06 威海华菱光电股份有限公司 纸币厚度的检测工装
CN103968749A (zh) * 2014-05-16 2014-08-06 威海华菱光电股份有限公司 物体厚度检测装置及其检测方法
EP3158284B1 (en) 2014-06-17 2022-03-16 Heraeus Quartz North America LLC Apparatus and method for heating and measuring of transparent cylindrical articles
CN105136012A (zh) * 2015-09-30 2015-12-09 威海华菱光电股份有限公司 膜厚的检测装置
CN105136011B (zh) * 2015-09-30 2018-09-14 威海华菱光电股份有限公司 膜厚的检测装置
CN105318819B (zh) * 2015-11-04 2018-09-18 威海华菱光电股份有限公司 膜厚的检测装置
CN105318820A (zh) * 2015-11-05 2016-02-10 威海华菱光电股份有限公司 厚度传感器
US10421268B2 (en) * 2015-11-18 2019-09-24 Stratasys, Inc. Filament feeding device having a capacitive filament displacement sensor for use in additive manufacturing system
CN105333809A (zh) * 2015-12-04 2016-02-17 威海华菱光电股份有限公司 厚度检测传感器
CN106197248B (zh) * 2016-07-21 2018-05-29 威海华菱光电股份有限公司 膜厚的检测装置
CN115093113B (zh) * 2022-06-17 2023-12-05 中国工程物理研究院激光聚变研究中心 一种用于微纳光纤拉制的直径在线监控系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516768A (en) * 1946-04-29 1950-07-25 Zellweger Uster Ag Apparatus for gauging textiles, particularly yarns and sliver
GB680695A (en) * 1950-02-09 1952-10-08 Rene Visele Improvements in devices for controlling the thickness of products in the form of yarns, strips, sheets and the like
GB855595A (en) * 1956-05-11 1960-12-07 British Nylon Spinners Ltd Improvements relating to the electrical measurement of the thickness of a thread
US3088297A (en) * 1960-06-01 1963-05-07 American Optical Corp Apparatus for drawing fibers
NL120426C (it) * 1961-07-25
US3865564A (en) * 1973-07-09 1975-02-11 Bell Telephone Labor Inc Fabrication of glass fibers from preform by lasers
US3879660A (en) * 1973-10-24 1975-04-22 John S Piso Capacitive measuring system
CH603842A5 (it) * 1975-10-10 1978-08-31 Peyer Siegfried
JPS5311039A (en) * 1976-07-19 1978-02-01 Hitachi Ltd Controller of diameter of optical fiber
GB2020816B (en) * 1977-08-09 1983-02-02 Micro Sensors Inc Capacitive measuring system with automatic calibration means

Also Published As

Publication number Publication date
US4523938A (en) 1985-06-18
IT8167936A0 (it) 1981-07-06
NO157355B (no) 1987-11-23
CA1221138A (en) 1987-04-28
DK150862B (da) 1987-07-06
AU550133B2 (en) 1986-03-06
EP0069352B1 (en) 1985-06-19
ATE13947T1 (de) 1985-07-15
JPH0134321B2 (it) 1989-07-19
NO157355C (no) 1988-03-02
ES513588A0 (es) 1983-03-16
NO822345L (no) 1983-01-07
EP0069352A1 (en) 1983-01-12
BR8203823A (pt) 1983-06-28
DE3264262D1 (en) 1985-07-25
JPS587505A (ja) 1983-01-17
AU8508882A (en) 1983-01-13
DK281582A (da) 1983-01-07
DE69352T1 (de) 1983-04-28
ES8305121A1 (es) 1983-03-16
DK150862C (da) 1988-01-11

Similar Documents

Publication Publication Date Title
IT1144279B (it) Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche
IT8020745A0 (it) Metodo ed apparato per la fabbricazione di fibre ottiche e fibre ottiche fabbricate conl'ausilio di tale metodo.
NO154854C (no) Koplingsstykke for optiske fibre.
IT7927477A0 (it) Metodo di fabbricazione di preforme di fibre ottiche.
IT1097910B (it) Filatura di fibre
FR2295439A1 (fr) Gaine de protection pour fibres optiques et son procede de fabrication
IT8467878A1 (it) Perfezionamenti alle apparecchiature a condensatore per la misura del diametro di fibre dielettriche.
IT1093179B (it) Metodo ed apparecchio per la produzione di carta con sospensioni di fibre ad elevata consistenza
BE879246A (fr) Procede de fabrication de preformes et de fibres optiques de haute resistance
BE863438A (fr) Procede pour surveiller la concentricite de revetements de fibres optiques
IT1119362B (it) Procedimento ed apparecchiatura per la produzione di preforme per fibre ottiche
FR2306947A1 (fr) Transducteurs et segments de fibres optiques ainsi que leur procede de fabrication
IT1115592B (it) Procedimento per la produzione di fibre ottiche
IT1166558B (it) Metodo per la produzione di fibre ottiche per telecomunicazioni
IT1119342B (it) Dispositivo per determinare il profilo di indice di rifrazione di fibre ottiche
IT1130724B (it) Passante ermetico per fibre ottiche
IT1108104B (it) Procedimento e dispositivo per il pompaggio di sospensioni di fibre particolarmente per cartiera
IT1055232B (it) Dispositivo apritore del nastro di fibre per un dispositivo di filatura ad estremita aperta
IT1062538B (it) Procedimento per la preparazione di fibre acriliche o di fili acrilici filati ad umido dotati di un elevata capacita di ritiro
DE3066520D1 (en) Method of determining the refractive index profile of an optical fibre
IT8022414A0 (it) Fabbricazione di fibre monomodo.
IT8268476A0 (it) Metodo per la compensazione del profilo di indice di rifrazione di fibre ottiche
IT7831431A0 (it) Apparato per la produzione e la raccolta di fibre di vetro.
IT8019036A0 (it) Procedimento perfezionato per la fabbricazione di fibre ottiche.
IT1156409B (it) Procedimento e dispositivo per la misura del raggio del nucleo e della apertura numerica massima di fibre ottiche