NON-WOVEN FABRIC “SPUNBOND” FOR COLLECTING/DISTRIBUTING LAYER Russian patent published in 2021 - IPC A61F13/537 

Abstract RU 2758538 C2

FIELD: textile industry.

SUBSTANCE: non-woven fabric “spunbond” for a collecting/distributing layer contains: first layer (1) of elementary threads, wherein first layer (1) consists of continuous twisted two-component elementary threads with a non-centered core/shell structure, while elementary threads are characterized by a diameter in the range of 15-35 microns and show at least 3 spirals per centimeter, second layer (2) of elementary threads located on first layer (1) and being in direct interaction with it, wherein second layer (2) of elementary threads contains continuous twisted two-component elementary threads with a non-centered core/shell structure, wherein elementary threads are characterized by a diameter value that is less than the diameter value of elementary threads in first layer (1) and that is in the range of 10-20 microns, and demonstrate at least 3 spirals per centimeter.

EFFECT: obtaining non-woven fabric “spunbond” for a collecting/distributing layer.

12 cl, 5 dwg

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RU 2 758 538 C2

Authors

Mecl, Zdenek

Klaska, Frantisek

Kroutilova, Jana

Dates

2021-10-29Published

2017-09-29Filed