FILTER FABRIC Russian patent published in 2019 - IPC B01D39/08 D03D15/00

Abstract RU 2707221 C1

FIELD: fabric production.

SUBSTANCE: invention relates to technical filtering fabrics, and can be used for fabrication of bag filters. Disclosed is a filter fabric of a twill weave, in base and weft which is used Arselon yarn, formed by circular spinning method with subsequent application of double torsion. Also, paraamide yarn is additionally used in weft. Number of threads per 10 cm by base 325–500 and by weft 166–186, surface density 315–450 g/m², air impermeability 55–130 dm³/m²⋅s.

EFFECT: invention increases service life of filter cloth.

5 cl, 1 tbl

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RU 2 707 221 C1

Authors

Supruniuk Oleg Konstantinovich

Dates

2019-11-26—Published

2019-07-08—Filed