PROCEDE DE FABRICATION DE FIBRES UNIDIRECTIONNELLES PORTANT UN REVETEMENT UNIFORME, ET DES PRODUITS DE FABRICATION UTILISANT CES FIBRES

• Main Author: LAWRENCE RONALD NEWKIRK, FLAVIO ADENOIS VALENCIA, ROBERT ELDON RILEY ET TERRY CHARLES WALLACE SR
• Format: Patent
• Language: French
• Published: 13.02.1981
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS; DIFFUSION TREATMENT OF METALLIC MATERIAL; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LAUNDERING; MECHANICAL FINISHING OF YARNS OR ROPES; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS; WARPING OR BEAMING; YARNS; YARNS OR THREADS

L'INVENTION CONCERNE UN PROCEDE DE FABRICATION DE FIBRES UNIDIRECTIONNELLES PORTANT UN REVETEMENT METALLIQUE UNIFORME, ET DES PRODUITS DE FABRICATION UTILISANT CES FIBRES.LES FIBRES SONT FABRIQUEES EN UNE OPERATION CONTINUE CONSISTANT A FAIRE PASSER UN OU PLUSIEURS FILS DANS UNE CHAMBRE DE REVETEMENT DANS LAQUELLE CIRCULE UN MELANGE GAZEUX D'UN HALOGENURE DU METAL A DEPOSER ET D'HYDROGENE, A UNE TEMPERATURE ET UNE PRESSION TELLES QUE LE METAL DE L'HALOGENURE SE DEPOSE SUR LES FIBRES INDIVIDUELLES, AVEC UNE EPAISSEUR UNIFORME.L'INVENTION S'APPLIQUE NOTAMMENT A LA FABRICATION DE PRODUITS TISSES ET COMPRIMES RESISTANTS AUX TEMPERATURES ELEVEES. A problem addressed by this invention was how to obtain very long lengths of refractory metal-coated multifilamentary yarns having a uniform coating on the filaments which make up each yarn, the coating being uniform throughout the length of the yarn such that the coated yarns are suitable for being woven and are suitable for a variety of other uses. The solution is a continuous process which employs a chemical vapor deposition reaction at relatively low temperature and pressure and a separation of the gaseous reaction products from the coated yarn prior to allowing the coated yarn to cool.