Vacuum Cleaner Filter Bag for an Upright Vacuum Cleaner
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United States of America Patent
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app pub date -
Mar 19, 2015
filing date -
Apr 8, 2014
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Abstract
The present invention relates to a vacuum cleaner filter bag for an upright vacuum cleaner. The vacuum cleaner filter bag according to the invention thereby has a greater length than width, one long side and one narrow side resulting. It is formed from two bag walls which are joined together circumferentially so that an internal space is configured between the two bag walls. One bag wall thereby has an inlet opening through which air to be cleaned can flow into the vacuum cleaner filter bag. The vacuum cleaner filter bag according to the invention is distinguished by the bag wall in which the inlet opening is introduced having folding which extends in the longitudinal direction of the vacuum cleaner filter bag, as a result of which this bag wall has increased flexibility and the vacuum cleaner filter bag opens during folding-over of the retaining plate when inserting the filter bag in a vacuum cleaner such that the air can enter essentially unimpeded into the filter bag.
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