| 摘要 |
PROBLEM TO BE SOLVED: To provide an easily openable dust bag with a simple structure, retained on a dust storage container firmly, easy in removing from the dust storage container and closing an opening part. SOLUTION: This dust bag is constituted of a tubular synthetic resin film, wherein at least a pair of a protruding piece for tying is extended at the upper part of a bag body 1 on its opening side formed with a bottom seal 3 at its lower part, and a hooking hole is formed at the protruding piece for tying or in an area ranging to a bag body opening part therefrom and so as to be fitted into a cover engagement protruding part of the dust storage container.
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