FILTER BAG FOR VACUUM CLEANER Russian patent published in 2012 - IPC A47L9/00 

Abstract RU 2465806 C2

FIELD: personal use articles.

SUBSTANCE: invention relates to a filter bag for a vacuum cleaner that has composite material comprising a first layer of mesh or a perforated sheet with air permeability of at least 10000 l/(m2·s) and the first fibrous layer consisting of artificial and/or vegetable fibers, which is connected to one side of the first layer, and the mesh is an extruded mesh or a filet net.

EFFECT: increased mechanical strength of the filter bag.

26 cl, 3 dwg

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RU 2 465 806 C2

Authors

Shul'Tink Jan

Zauehr Ral'F

Dates

2012-11-10Published

2008-07-03Filed