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
Authors
Dates
2012-11-10—Published
2008-07-03—Filed