Process for making cellulose acetate tow

A process for making a cigarette tow comprising: spinning a dope; taking-up the as-spun cellulose acetate filaments; lubricating the filaments; forming a tow from the filaments; crimping the tow with a stuffer box crimper; drying the crimped tow; and baling the dried crimped tow. The process further...

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Bibliographische Detailangaben
Hauptverfasser:	STILWELL DONALD T, CAENEN PHILIP I. L, SCARBOROUGH MARK E, ELLISON GARY B, KUTSCHER DAVID O, SANDERSON WILLIAM S
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MECHANICAL FINISHING OF YARNS OR ROPES MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING 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
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Beschreibung
Zusammenfassung:	A process for making a cigarette tow comprising: spinning a dope; taking-up the as-spun cellulose acetate filaments; lubricating the filaments; forming a tow from the filaments; crimping the tow with a stuffer box crimper; drying the crimped tow; and baling the dried crimped tow. The process further comprises at least two of the following: A. crimping further comprising one roller of the pair of nip rollers being adapted to induce crimp into the tow; B. crimping further comprising one roller of the pair of nip rollers being made of a solid ceramic material; C. crimping further comprising a pair of tow edge lubricators; D. crimping further comprising a steam injector; E. further comprising plasticizing the tow; F. lubricating the filaments further comprises a finish consisting of a water emulsion.