Filter bag and method for the production thereof
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United States of America Patent
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Nov 8, 2011
Grant Date -
Apr 9, 2009
app pub date -
Dec 15, 2006
filing date -
Dec 15, 2005
priority date (Note) -
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Abstract
A filter bag for a vacuum cleaner includes a tubular bag made of a casing which has at least one nonwoven layer. The casing has a first end region which is sealed at least partially and a second sealed end region situated opposite the first end region. The first end region is folded and forms a base.
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