| 摘要 |
PROBLEM TO BE SOLVED: To provide a dust collection bag for a vacuum cleaner which can be adapted to a plurality of models of vacuum cleaners, where dust is prevented from being leaked from a gap between the introduction port of the dust collection bag and a vacuum cleaner body, and which can be produced by simply equipment and at low costs. SOLUTION: Regarding the dust collection bag for the vacuum cleaner, on the outer surface of a bag body 10 having an opening part 11, the rear surface of a port paper 20 having the introduction port 21 is bonded so that the opening part 11 and the introduction port 21 may conduct. The port paper 20 is provided with first annular perforations 21b outside of the introduction port 21. In addition, on the surface of the port paper 20, an annular packing 30 with a hole of the same shape as that of the introduction port 21 of the port paper 20 is bonded so that the periphery of the introduction port 21 may be superposed with that of the hole 31. The packing 30 is provided with second annular perforations 31b at a position which is nearly superposed with the first perforations 21b. COPYRIGHT: (C)2005,JPO&NCIPI
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