CELLULOSE FILAMENT MANUFACTURE METHOD AND APPARATUS Russian patent published in 1998 - IPC

Abstract RU 2120504 C1

FIELD: cellulose filament production. SUBSTANCE: method involves forming filaments from solution of cellulose in amino oxide in warm state; cooling and placing filaments in settling tank for settling solved cellulose. Cooling is carried out in laminar gas flow. Apparatus has cooling gas supply device and spinneret with spinning openings arranged in annular path for forming annular filament yarns. Cooling gas supply device is positioned centrally of circle defined by spinning openings. Construction of cooling gas supply device allows laminar flow of cooling gas to come into contact with filaments for cooling them. EFFECT: improved spinning process and quality of filaments possessing high textile characteristics. 5 cl, 3 dwg, 1 tbl, 1 ex

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RU 2 120 504 C1

Authors

Tsikeli Stefan

Eker Fridrikh

Shvenninger Frants

Jurkovits Rajmund

Rjuf Khartmut

Dates

1998-10-20Published

1994-06-29Filed