BAG FOR VACUUM CLEANER Russian patent published in 2012 - IPC A47L9/14 

FIELD: personal use articles.

SUBSTANCE: invention relates to a vacuum cleaner bag. Bag (8) for a vacuum cleaner with a breathable bag (10) and a flange (9), which provides an inlet (11) for introduction of the connecting pipe (5, 5') of a vacuum cleaner (1), with the inlet (11) is provided with an annular seal (13, 14) fixed to the inner edge (16) of the groove (15) of the flange (9), with a sealing tab (24), and the seal (13, 14) is made suitable for introduction of various connecting pipes (5, 5') of different size and has an internal diameter (22), less than the minimum diameter (19') of the first input connecting pipe (5'), and has an outer diameter (25) greater than the maximum diameter (19) of the second input connecting pipe (5), and the outer edge of the seal (13, 14) coincides with the inner edge (16) of the groove (15), characterised in that the ratio of outer diameter (25) and the inner diameter (22) of the seal (13, 14) is from 1.7 to 2.5, the flange (9) is made of a polymeric material, and the seal (13, 14) is formed on the flange (9) as a single entity with a flange (9) of a polymeric material by injection moulding.

EFFECT: invention preferably implements the flange of the vacuum cleaner bag, which is securely and tightly connected to pipes having different diameters.

3 cl, 5 dwg