Wool filter for dust-proof mask comprising a nonwoven fabric of

Details Wool filter for dust-proof mask comprising a nonwoven fabric of Wool filter for dust-proof mask comprising a nonwoven fabric of

1995-02-01

1996-06-25

Withers, James

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

55522, 55527, 55528, 210505, 210507, 210508, 428296, 428297, 428303, B01D 2400, B01D 3902, B01D 3908, B32B 506

Patent

active

055298389

ABSTRACT:
A wool filter for a dust-proof mask is disclosed, in which wool fibers are mixed with chemical resin film slitting yarns so as to manufacture a non-woven fabric, thereby doubling the electrostatic force to improve the dust filtering function. In manufacturing the wool filter for a dust-proof mask, 40 to 90 weight % of wool yarns is uniformly mixed with 10 to 60 weight % of chemical resin film slitting yarns, preferably polyolefinic resin film slitting yarns.

REFERENCES:
patent: 5262234 (1993-11-01), Minor et al.

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