Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Production of continuous or running length
Patent
1994-03-31
1997-03-04
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Production of continuous or running length
264562, 264563, 264186, 264203, B29C 4788
Patent
active
056076398
ABSTRACT:
Method for the preparation of cellulose sheet by extrusion of a heated solution of cellulose in a tertiary amine-oxide, which method includes using an extrusion die with an extrusion orifice, characterised in that, immediately below the extrusion orifice there is provided an inlet for cooling gas to cool the extruded sheet. The method according to the invention is especially suitable for the preparation of cellulose tubular films.
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Ecker Friedrich
Rauch Ernst
Renner Klaus
Sch onberg Anton
Zikeli Stefan
Lenzing Aktiengesellschaft
Vargot Mathieu D.
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