DUST COLLECTING BAG FOR VACUUM CLEANER

摘要

PROBLEM TO BE SOLVED: To provide a dust collecting bag for vacuum cleaner, which does not generate dust leaking from the rolled-in adhered edge. SOLUTION: A bag body comprising a filter medium with air-permeability and flexibility is made laterally long cylinder whose open both end edges 10 are rolled in and adhered to form a dust collecting bag 1. Both edge ends of the dust collecting bag 1 are twice rolled in. Assuming the first and second rolled-in parts a, b respectively and a<b and the position of an applied adhesive to the edge side afar a distance L from the open end edges and a+b<L<2b, the open end edges 10 are rolled in and closed upon adhering.