PROCESS AND SPINNING FOR PRODUCING TUBULAR YARNS AND DEVICE FOR OBTAINING THE PROCESS

Inventia se refera la un procedeu pentru obtinerea firelor tubulare calibrate realizat prin filarea unei topituri de polimer într-un extruder la un regim de temperaturi de 230...290 degree C, dozata cu agent de calibrare-aer sau azot-filarea avînd loc la 270...290 degree C, presiunea de 40...80 at,...

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Hauptverfasser:	MIHAI NICU, CONSTANTIN NICOLAI, LUPEI VASILE, ASANDEI NICOLAE, NICU VIORICA
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES
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