D - Textiles – Paper – 01 – D
Patent
D - Textiles, Paper
01
D
18/507, 18/561
D01D 5/11 (2006.01)
Patent
CA 1114120
DEVICE OR APPARATUS FOR PREPARING FIBROUS MATERIALS SUITABLE FOR THE MANUFACTURE OF SYNTHETIC PAPER (Case FE.2502 ) Abstract of the Disclosure Apparatus is disclosed for preparing fibrous materials suitable for manufacturing pulps for paper, in accordance with the mehod of extruding solutions, emulsions and dispersions of synthetic polymers in liquid media under flash conditions and under the action of a high-speed cutting fluid; said apparatus comprising: (a) a pipe or channel for feeding the polymeric composition to be extruded; and (b) at least one nozzle of the convergent-divergent type inserted, with at least a portion of its divergent section in such feeding channel, the so-inserted divergent section being divided into two distinct parts by a contin- uous slit, suitable for extruding the polymeric composi- tion into such divergent section, said split being normal to the main axis of the nozzle and communicating with the feeding channel. The feeding channel has the shape of a circular crown, a multi- plicity of nozzles of the convergent-divergent type, preferably of the DeLaval type, arranged in parallel, being inserted in said circular crown, and being positioned substantially equidistantly with respect to the axis of the circular crown.
313100
Macrae & Co.
Montedison S.p.a.
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