COMPOSITE NONWOVEN MATERIAL MANUFACTURING METHOD AND MACHINE FOR ITS IMPLEMENTATION Russian patent published in 2008 - IPC D04H5/08 B32B5/02 

Abstract RU 2331724 C2

FIELD: textile, paper.

SUBSTANCE: invention refers to composite nonwoven material manufacturing method and to machine for its implementation. The material consists of two layers, namely: lower layer, which contains long artificial and/or synthetic threads, whose length is 15-80 mm; and upper layer, which contains short natural threads, whose length is 0.5-8.0 mm. The manufacturing method includes the following stages: first of all, dispersion of natural threads in water; application of water dispersion to film fiber of lower layer, formed here or prior to that; removal of water excess through lower layer; crowding of the layer threads under influence of water streams; and, finally, dehumidification and coiling of the composite nonwoven material.

EFFECT: decrease in composite nonwoven material manufacturing cost.

19 cl, 1 dwg, 1 ex

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RU 2 331 724 C2

Authors

Zhembar Patrik

Dates

2008-08-20Published

2004-01-13Filed