Dust filter bag

Details Dust filter bag Dust filter bag

B - Operations, Transporting

01

D

B01D 39/18 (2006.01) A47L 9/14 (2006.01) B01D 39/16 (2006.01)

Patent

CA 2276647

A dust filter bag is disclosed with a fibrous layer laminated to a paper layer. The fibrous layer consists of synthetic polymeric fibers and is positioned on the clean gas side of the paper layer. To increase the strength of the dust filter bag, the fibrous layer includes melt-bonded polymeric regions end is strengthened itself by the polymeric regions and connected thereby with the paper layer. The polymeric regions have a hot melt area of 0.5 to 10% of the surface, preferably 1 to 3%, whereby a sufficient laminate strength is achieved with minor pressure loss.

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