| 摘要 |
With the fibres 1 travelling vertically downwards in a chamber 2 heated by heating elements 4a, 4b, 4c, an inert gas is introduced into the furnace by at least two entry orifices 6, 8b to form curtains of inert gas and to remove the decomposition gases released during the passage of the fibres in the furnace. Application to the production of carbon fibres from cellulose fibres. <IMAGE>
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