Abstract: The invention relates to a method for optimizing a vacuum cleaning system comprising a cylinder vacuum cleaning device and a filter bag, wherein the cylinder vacuum cleaning device comprises a motor-fan unit having a characteristic motor-fan curve, a filter bag receptacle, a hose, a tube, a connection port for the filter bag, and a cleaning head, and wherein the filter bag comprises filter material made of nonwoven material comprising the step of: adapting the motor-fan characteristic curve and the size, the shape and the material of the filter bag and the size and the shape of the filter bag receptacle and the length and the inner diameter of the tube and the length and the inner diameter of the hose and the inner diameter of the connection port for the filter bag and the cleaning head to each other such that the vacuum cleaning system achieves an efficiency of at least 24%, preferably of at least 28%, particularly preferably of at least 32%, when vacuuming according to the Standard on a Standard carpet type

Abstract: The invention relates to heat-curing reactive compositions based on natural and/or synthetic liquid elastomers containing olefinic double bonds and on vulcanizing agents, where these comprise a quantity, relative to the entire composition, of from 1 to 25% by weight, preferably from 1 to 15% by weight, of at least one liquid polyisoprene, preferably at least one cis-1,4 polyisoprene; a quantity, relative to the entire composition, of from 0.5 to 10% by weight, preferably from 0.

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.

Abstract: The invention relates to a retaining plate for a vacuum cleaner bag which has an inlet opening, the retaining plate being formed by thermoforming and subsequent stamping of a film made of a thermoplastic material.

Abstract: The invention relates to a vacuum cleaning apparatus comprising a vacuum cleaner and a filter bag.

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 present invention relates to a vacuum cleaner robot comprising a floor nozzle supported on wheels and a dust collection unit, wherein the floor nozzle comprises a driving device for driving at least one of the wheels of the floor nozzle, wherein one of the wheels, a plurality of or all of the wheels of the floor nozzle are omnidirectional wheels, wherein the floor nozzle comprises a base plate with a base surface, which, when the vacuum cleaner robot is in operation, faces the surface to be cleaned, the base plate having provided therein an air flow channel, which extends parallel to the base surface and through which air to be cleaned enters the floor nozzle, and wherein the floor nozzle comprises a rotating means for rotating the air flow channel about an axis perpendicular to the base surface.

Abstract: The invention relates to a vacuum cleaner robot comprising a dust collector arrangement mounted on wheels, a suction hose and a floor nozzle mounted on wheels, where the floor nozzle is fluidically connected to the dust collector arrangement via the suction hose, also comprising a motorized fan unit for suctioning an air stream in through the floor nozzle, where the motorized fan unit is arranged between the floor nozzle and the dust collector arrangement in such a manner that an air stream suctioned in through the floor nozzle flows through the motorized fan unit and into the dust collector arrangement. where the dust collector arrangement comprises a drive device in order to drive at least one of the wheels of the dust collector arrangement, and where the floor nozzle comprises a drive device in order to drive at least one of the wheels of the floor nozzle.

Abstract: The invention relates to a floor vacuum cleaner comprising a dust collector arrangement mounted on rollers and/or runners, a suction hose, a suction tube, and a floor nozzle, wherein the floor nozzle is fluidically connected to the dust collector arrangement via the suction tube and the suction hose, wherein the dust collector arrangement comprises a dust separator, wherein the dust collector arrangement comprises a motorized fan unit for suctioning an air stream through the floor nozzle, wherein the motorized fan unit is arranged so that an air stream suctioned in through the floor nozzle, the suction tube, and the suction hose flows through the motorized fan unit and into the dust separator, wherein the dust collector arrangement has a housing and the motorized fan unit is mounted on or in the housing, wherein the dust separator is mounted in the housing.

Abstract: The invention relates to a floor vacuum cleaner comprising a dust collector arrangement mounted on rollers and/or runners, a suction hose, a suction tube and a floor nozzle, wherein the floor nozzle is fluidically connected to the dust collector arrangement via the suction tube and the suction hose, also comprising a motorized fan unit for suctioning an air stream through the floor nozzle, wherein the motorized fan unit is arranged between the floor nozzle and the suction tube such that an air stream suctioned in through the floor nozzle flows through the motorized fan unit and into the suction tube.

Abstract: The present invention relates to an autonomously operable vacuum cleaner that has a modular design. The vacuum cleaner in this respect comprises a cleaning head module as well as a separate canister module. The cleaning head module and the canister module are in this respect connected to one another via a hose so that dust sucked in via the cleaning head module can be conveyed into the canister module.

Abstract: The present invention relates to a vacuum cleaner filter bag made of a thermally weldable filter material which forms the sealed internal space of the vacuum cleaner filter bag. The internal space is thereby closed at least on one side by means of a weld seam configured according to the invention, in the case of which at least two layers of the filter material are welded together. The weld seam configured according to the present invention is distinguished by a far higher tearing strength, compared with weld seams as are known from the state of the art. The invention relates in addition to a method for the production of the vacuum cleaner filter bag, to a tool for the production of the high-strength weld seam and also to an ultrasonic welding unit in which this tool is integrated.

Abstract: The invention relates to a vacuum cleaning apparatus comprising a vacuum cleaner and a filter bag.

Abstract: The present invention relates to a vacuum cleaner filter bag for an upright vacuum cleaner. The vacuum cleaner filter bag according to the invention thereby has a greater length than width, one long side and one narrow side resulting. It is formed from two bag walls which are joined together circumferentially so that an internal space is configured between the two bag walls. One bag wall thereby has an inlet opening through which air to be cleaned can flow into the vacuum cleaner filter bag. The vacuum cleaner filter bag according to the invention is distinguished by the bag wall in which the inlet opening is introduced having folding which extends in the longitudinal direction of the vacuum cleaner filter bag, as a result of which this bag wall has increased flexibility and the vacuum cleaner filter bag opens during folding-over of the retaining plate when inserting the filter bag in a vacuum cleaner such that the air can enter essentially unimpeded into the filter bag.

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 relates to a vacuuming apparatus having a vacuum cleaner, a suction hose which is connected to the housing of the vacuum cleaner, and a filter bag, wherein the cylinder-type vacuum cleaner has a motor/fan unit which is designed in such a way that the average electrical input power of said motor/fan unit lies between 1000 W and 200 W and a negative pressure in the measurement chamber at aperture 6 of greater than 12.5 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 4.0 kPa result at an average electrical input power of between 1000 W and 800 W, a negative pressure in the measurement chamber at aperture 6 of greater than 10.0 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 3.4 kPa result at an average electrical input power of between 799 W and 600 W, a negative pressure in the measurement chamber at aperture 6 of greater than 7.0 kPa, and a negative pressure in the measurement chamber at aperture 8 of greater than 2.

Abstract: The invention relates to a vacuum-cleaning apparatus with a vacuum-cleaner unit and a filter bag, in which the filter bag is designed as a flat bag, as a nonwoven filter bag and as a disposable filter bag, and the vacuum-cleaner unit has a filter-bag-accommodating chamber with rigid walls, wherein the filter-bag-accommodating chamber has an opening which can be closed by a flap and has a predetermined opening surface area, through which the filter bag can be inserted into the filter-bag-accommodating chamber. The invention is distinguished in that the ratio between the surface area of a rectangle corresponding to the opening surface area and the surface area of the filter bag is greater than 0.70, preferably greater than 0.85, and highly preferably greater than 1.0.

Abstract: The present application provides heat-curing preparations containing (a) a triglyceride fraction, the fatty acid distribution of which has a proportion of at least 5 wt. %, in particular at least 60 wt. %, of one or more ?-3 fatty acids and/or one or more ?-6 fatty acids, (b) at least one vulcanizing agent selected from the group consisting of (b1) sulfur, (b2) peroxidic vulcanizing agents, (b3) quinones and/or quinone dioximes and/or (b4) dinitrosobenzenes, and (c) at least one inorganic filler.

Abstract: The invention relates to heat-curing reactive compositions based on natural and/or synthetic liquid elastomers containing olefinic double bonds and on vulcanizing agents, where these comprise a quantity, relative to the entire composition, of from 1 to 25% by weight, preferably from 1 to 15% by weight, of at least one liquid polyisoprene, preferably at least one cis-1,4 polyisoprene; a quantity, relative to the entire composition, of from 0.5 to 10% by weight, preferably from 0.

Abstract: The invention relates to a vacuum cleaning apparatus having a vacuum cleaning unit and a filter bag, in which the vacuum cleaning unit has a motor-fan unit which is designed in such a way that the vacuum cleaning unit with filter bag inserted with aperture 0 generates a negative pressure between 13 kPa and 6 kPa, preferably a negative pressure of between 20 kPa and 8 kPa and particularly preferably a negative pressure between 15 kPa and 8 kPa and, with aperture 8 (40 mm), generates an air flow between 25 l/s and 49 l/s, preferably an air flow between 30 l/s and 45 l/a, and particularly preferably an air flow between 35 l/s and 45 l/s, and the filter bag is a disposable filter bag made of nonwoven material which, during the testing of the reduction in the maximum air flow with a partially filled dust container analogous to EN 60312, exhibits a reduction in the air flow of less than 15%, preferably less than 10%, particularly preferably less than 5%.