Abstract: The invention relates to a respirator mask comprising a filter material piece made of an air-permeable material and at least one securing band, wherein the air-permeable material comprises at least one layer of a non-woven fabric and the at least one securing band is designed to secure the respirator mask to the head, wherein the air-permeable material and the at least one securing band are made of the same plastic material.

Abstract: The invention provides a respirator mask comprising a filter material piece made from an air-permeable material and at least one securing band, wherein the air-permeable material comprises at least one layer of a non-woven biodegradable material, wherein the at least one securing band is designed for securing the respirator mask to the head.

Abstract: The invention provides a respirator mask comprising a filter material piece made of an air-permeable material and at least one securing band, wherein the air-permeable material comprises at least one layer of a non-woven fabric and the layer of a non-woven fabric is creped, and wherein the at least one securing band is designed for securing the respirator mask to the head.

Abstract: The invention provides a respirator mask comprising a filter material piece made of an air-permeable material and at least one securing band, wherein the air-permeable material comprises at least one layer of a non-woven fabric comprising or consisting of fibres formed from one or more recycled plastic materials, and wherein the at least one securing band is designed for securing the respirator mask to the head.

Abstract: The invention relates to a retainer plate for a vacuum cleaner filter bag, comprising at least one sealing element, a base plate in which a passage opening is formed, and a centering device which extends at least partly around the periphery of the passage opening, said centering device having at least one first spring element which, upon deformation in the radial direction, exerts a restoring force directed counter to the deformation.

Abstract: The present invention provides a holding plate for a vacuum cleaner filter bag, comprising a base plate made of a plastic and having a passage opening formed therein, and a sealing membrane made of an elastic plastic material, which covers the passage opening and which is connected to the base plate, wherein the sealing membrane has a slit in the area of the passage opening, wherein the sealing membrane is, at least sectionwise, provided with a thickened area along the slit.

Abstract: The invention relates to a retainer plate for a vacuum cleaner filter bag, comprising a base plate in which a passage opening is formed, and a sealing element which is arranged at the edge of the passage opening, wherein the sealing element comprises at least one extruded film made of a thermoplastic elastomer, TPE.

Abstract: The present invention relates to a retaining plate 1 for a vacuum cleaner filter bag, comprising a base plate 2 having a passage opening 3 formed therein and a closure device for closing the passage opening 3, wherein the closure device comprises two closure parts 4, 5 arranged in a plane parallel to the passage opening 3, and wherein the closure parts 4, 5 are movable relative to each other in the plane, so that, by a closing movement in the plane, they are movable to a closure position at which they close the passage opening 3 by overlapping each a respective part of the passage opening 3.

Abstract: The present invention provides a floor vacuum cleaner, comprising a dust collecting unit supported on rollers and/or skids and including a motor fan unit, wherein the dust collecting unit comprises a housing having provided therein a dust chamber for accommodating a filter bag and a fan chamber for accommodating the motor fan unit, wherein the fan chamber containing the motor fan unit is arranged side by side with the dust chamber, the dust chamber and the fan chamber being separated from one another by a partition, wherein the dust chamber is fluidically connected to the fan chamber via a suction duct, wherein the suction duct is arranged such that, by means of the motor fan unit, air can be sucked upwards from the dust chamber, through the suction duct, into the fan chamber.

Abstract: The invention relates to a vacuum cleaner robot comprising a suction device mounted on wheels and a power supply device mounted on wheels, where the suction device comprises a floor nozzle, a dust separator and a motorized fan unit for suctioning an air stream in through the floor nozzle, where the suction device comprises a drive device for driving at least one of the wheels of the suction device, and where the power supply device comprises a drive device for driving at least one of the wheels of the power supply device, where said power supply device is via a power supply cable connected to said suction device for supplying said suction device with power.

Abstract: The invention relates to a holding plate for a vacuum cleaner filter bag having a bag wall, the holding plate including a base plate made of a first plastic material with a passage opening, and a connecting element that is connected to the base plate by a material bond and is made of a second plastic material, for connecting the base plate to the bag wall by a material bond, in particular by means of ultrasonic welding, characterized in that the connecting element is arranged on the side of the base plate that is to be connected to the bag wall.

Abstract: The invention relates to a device for a vacuum cleaner filter bag comprising a holding device with a passage opening and a closure device for closing the passage opening of the holding device, wherein the closure device comprises a closure flap and an elastic element made of a cross-linked silicone elastomer, and the elastic element is pretensioned in a state in which the closure flap closes the passage opening of the holding device.

Abstract: The invention relates to a retaining plate (2) for a vacuum cleaner filter bag, comprising a base plate in which a passage opening (3) is formed, and a sealing flap (5) for sealing the passage opening (3), wherein the sealing flap (5) is sealed via an elastic element (7; 10) in the sealed position, and wherein a cover element (9) is provided which is connected to the base plate, the sealing flap (5) and/or the elastic element (7) and partially or completely covers the elastic element (7).

Abstract: The invention relates to a retaining plate (2) for a vacuum cleaner filter bag, comprising a base plate in which a passage opening (3) is formed, and a sealing flap (5) for sealing the passage opening (3), wherein the sealing flap (5) is biased in the sealed position via an elastic element (7), wherein the elastic element (7) is arranged in front of the sealing flap (5) when viewed in the sealing direction; and wherein the elastic member (7) comprises an elastomer, or the elastic member (7) comprises a coil spring (9), wherein the coil spring (9) is at least partially enclosed by a sheath (10).

Abstract: The invention relates to a vacuum cleaner filter bag, including a bag wall which is made of filter material and has a through-passage through which the air to be cleaned can flow into the vacuum cleaner filter bag, in which the bag wall includes an at least partially pleated non-woven fabric material and the bag wall includes a first and a second filter material layer which are joined to one another by a peripheral weld seam, wherein the first and/or second filter material layers comprise include the at least partially pleated non-woven fabric material.

Abstract: The invention relates to a vacuum cleaner filter bag comprising a first bag wall (104) comprising a filter material and a second bag wall also comprising a filter material and a base (103). The first and the second bag wall are joined to the base along one part of the periphery thereof and are joined together along the remaining part of the periphery. The connection between the first bag wall, the second bag wall and the base is formed such that the vacuum cleaner filter bag is completely closed. The filter material of the first and the second bag walls is made of non-woven material. Said vacuum cleaner filter bag comprises an opening (102) through which the air which is to be filtered can pass through into the vacuum cleaner filter bag, and a retaining plate. Said vacuum cleaner filter bag is characterised in that the first and/or the second bag wall comprises at least five folds (101).

Abstract: The invention relates to a vacuum cleaner filter bag, including a first bag wall containing a filter material and a second bag wall containing a filter material. The first and the second bag walls are joined together along the periphery thereof such that the vacuum cleaner filter bag is completely closed. The filter material of the first and the second bag walls is made of a non-woven fabric. The vacuum cleaner filter bag includes an inlet through which the air which is to be filtered can flow into the vacuum cleaner filter bag, also including a retaining plate. The vacuum cleaner filter bag is characterized in that the first and/or the second bag wall includes at least five folds.

Abstract: The invention relates to a vacuum cleaning device with a tank-type vacuum cleaner, a suction hose which is connected to the housing of the tank-type vacuum cleaner, and a filter bag. The tank-type vacuum cleaner has a motor fan unit which is designed such that the average electric input power of the fan unit ranges from 1000 W to 200 W and results in a vacuum of more than 12.5 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 4.0 kPa in the measuring chamber when using aperture 8 in the event of an average electric power input ranging from 1000 W to 800 W; a vacuum of more than 10.0 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 3.4 kPa in the measuring chamber when using aperture 8 in the event of an average electric power input ranging from 799 W to 600 W; a vacuum of more than 7.0 kPa in the measuring chamber when using aperture 6 and a vacuum of more than 2.

Abstract: The invention provides a vacuum cleaner filter bag comprising a first filter layer and a second filter layer, wherein the first filter layer is arranged upstream of the second filter layer in air flow direction, and wherein the first filter layer has at least 3 and at most 25 individual plies, especially at least 5 and at most 15 individual plies, wherein each individual ply is a dry-laid nonwoven having a basis weight of 5 g/m2 to 50 g/m2, especially having a basis weight of 8 g/m2 to 30 g/m2.

Abstract: The invention relates to a robotic vacuum cleaner comprising a base mounted on wheels, a dust collector, and a floor nozzle arranged on the base for taking in an air flow into the robotic vacuum cleaner, the floor nozzle being adjustable in height with respect to the base.