| 摘要 |
The invention relates to a dust filter bag for a vacuum cleaner, having a holding plate (1) consisting of a cardboard paper material, which holding plate (1) has a sealingclosable opening (9) for a suction pipe of a vacuum cleaner, the opening (9) being adapted to be closed from the outside by a separate closure tab (10) which has an insertion region, and, in order to obtain an improved dust filter bag, it proposes that the cardboard-paper material be developed in three layers (layers a, b, c) in the region of the opening (9) and in at least two layers in the remaining region of the holding plate (1), a rubber gasket (11) being gripped between two layers, preferably the second and third layers (b, c). Fig. 5
|
