FILTRATION CLOTH Russian patent published in 1999 - IPC

Abstract RU 2127779 C1

FIELD: filtration technics. SUBSTANCE: cloth is made by serge interlacing of warp and weft threads constituting cable polyester yarn with constant linear density and is characterized by air permeability 265-300 cu.dm/sq. m s and surface density 300-335 g/sq.m. Warp and weft threads have elliptical cross-section. Ratio of transverse and longitudinal elliptic axes in cross-section varies within the range of 1:(1.37-1.45). EFFECT: increased degree of industrial air purification. 2 cl

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RU 2 127 779 C1

Authors

Dates

1999-03-20—Published

1997-04-15—Filed