Device for manufacturing crystalline fibres using a gravity-controlled falling system

A method for manufacturing crystalline fibres in which the material intended to form the fibre is heated to the melting temperature inside a crucible 1 and is made to flow through a substantially vertical, small-diameter, terminal portion 4, at the outlet end of which the material solidifies so as t...

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Hauptverfasser: PAZZI GIAN PAOLO, LINARI ROBERTO, FABENI PASQUALE
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creator PAZZI GIAN PAOLO
LINARI ROBERTO
FABENI PASQUALE
description A method for manufacturing crystalline fibres in which the material intended to form the fibre is heated to the melting temperature inside a crucible 1 and is made to flow through a substantially vertical, small-diameter, terminal portion 4, at the outlet end of which the material solidifies so as to form the fibre, is improved by maintaining inside said crucible 1 a controlled pressure for regulating the flow of material from said terminal portion and by effecting, by traction means, removal of the material undergoing solidification at the outlet of said small-diameter terminal portion 4. Fig. 2 Un metodo per la fabbricazione di fibre cristalline in cui il materiale destinato a formare la fibra viene portato alla temperatura di fusione in un crogiolo (1) e fatto fluire attraverso una porzione terminale (4) di piccolo diametro sostanzialmente verticale, alla cui estremità di uscita il materiale solidifica per formare la fibra, viene perfezionato prevedendo che in detto crogiolo (1) venga mantenuta una pressione controllata per regolare il flusso di materiale da detta porzione terminale, e che all'uscita di detta porzione terminale (4) di piccolo diametro il materiale in corso di solidificazione venga prelevato da mezzi di trazione. (Fig. 2)
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Fig. 2 Un metodo per la fabbricazione di fibre cristalline in cui il materiale destinato a formare la fibra viene portato alla temperatura di fusione in un crogiolo (1) e fatto fluire attraverso una porzione terminale (4) di piccolo diametro sostanzialmente verticale, alla cui estremità di uscita il materiale solidifica per formare la fibra, viene perfezionato prevedendo che in detto crogiolo (1) venga mantenuta una pressione controllata per regolare il flusso di materiale da detta porzione terminale, e che all'uscita di detta porzione terminale (4) di piccolo diametro il materiale in corso di solidificazione venga prelevato da mezzi di trazione. 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subjects OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title Device for manufacturing crystalline fibres using a gravity-controlled falling system
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