Vacuum cleaner has suction line, collecting tank and wall that is formed as fabric with warp wires and weft wires or is formed as micro-perforated metal sheet or as expanded metal sheet

摘要

The vacuum cleaner (1) has a suction line (2), a collecting tank and a wall (7) that is formed as a fabric with warp wires and weft wires or is formed as a micro-perforated metal sheet or as an expanded metal sheet. The expanded metal sheet is provided with slots, where pores are defined between the warp wires and the weft wires.