Dust collector bag for vacuum cleaner, has inlet opening that is provided to intake the duct-acted upon suction air, and air-permeable foam layer that is arranged on the exhaust side of filter layer

摘要

The dust collector bag (1) has an inlet opening to intake the duct-acted upon suction air. An air-permeable foam layer is arranged on the exhaust side of a filter layer. An exhaust air side foam material layer is arranged in the foam layer. A resilient element is arranged to provide an unfolding force to the bag portion for transferring from the storage position to working position.