Filter bag for a vacuum cleaner and use thereof

Details Filter bag for a vacuum cleaner and use thereof Filter bag for a vacuum cleaner and use thereof

2006-12-08

2011-12-06

Smith, Duane (Department: 1776)

Gas separation: processes

Filtering

Plural separate media

C055S382000, C055S486000, C055SDIG020, C015S347000, C015SDIG012

Reexamination Certificate

active

08070858

ABSTRACT:
A filter bag for a vacuum cleaner includes at least three layers, at least two layers which include at least one nonwoven fabric layer and one nonwoven fibre layer being connected by a weld, a high bulk resulting due to the small number of welds per surface area.

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