| Patent application number | Description | Published |
|---|
| 20080314005 | Vacuum Cleaner Filter Bag and Use of Said Bag - The invention relates to a vacuum cleaner filter bag with an inlet opening, comprising a deflection device which is arranged in the interior of the vacuum cleaner filter bag in the area of the inlet opening and which is implemented such that an air current flowing in through the inlet opening can be deflected by the deflection device, and an air-permeable material layer which is arranged in the interior of the vacuum cleaner filter bag, which is connected to said vacuum cleaner filter bag at least one point, and which includes at least one part that is not connected to the vacuum cleaner filter bag and that includes part of the boundary of the material layer. | 12-25-2008 |
| 20090031683 | Filter Bag for a Vacuum Cleaner and Use Thereof - A filter bag for a vacuum cleaner includes at least three layers, at least two layers which comprise at least one nonwoven fabric layer and one nonwoven fibre layer being connected by a weld, a high bulk resulting due to the small number of welds per surface area. | 02-05-2009 |
| 20090090092 | Filter Bag and Method for the Production Thereof - A filter bag for a vacuum cleaner includes a tubular bag made of a casing which has at least one nonwoven layer. The casing has a first end region which is sealed at least partially and a second sealed end region situated opposite the first end region. The first end region is folded and forms a base. | 04-09-2009 |
| 20090211211 | Vacuum Cleaner Filter Bag - The invention relates to a vacuum cleaner filter bag made of a filter material, comprising at least three layers with at least two layers of a non-woven or non-woven fabric layer, and at least one layer of a fibre web layer of fibres and/or filaments, wherein the at least two non-woven layers and the at least one fibre web layer are connected to each other by a thermal bonding connection. | 08-27-2009 |
| 20090266233 | Filter Bag for a Vacuum Cleaner and also Use Thereof - A filter bag for a vacuum cleaner made of a composite material comprising at least three layers, at least two layers which comprise a nonwoven fabric layer and at least one nonwoven fibre layer being connected by a weld. | 10-29-2009 |
| 20090272083 | Holding Plate for a Vacuum Cleaner Filter Bag - The invention relates to a holding plate ( | 11-05-2009 |
| 20090308032 | Dust Filter Bag - A dust filter bag is in the shape of a flat bag for a vacuum cleaner, which is formed from a first layer and a second layer made of a weldable material. The layers are welded together circumferentially along the circumference thereof. | 12-17-2009 |
| 20100212273 | Vacuum Cleaner Filter Bag - The invention relates to a vacuum cleaner filter bag having a composite material comprising a first layer consisting of a netting or a perforated sheet with an air permeability of at least 10,000 l/(m | 08-26-2010 |
| 20100218470 | Vacuum Cleaner Filter Bag - The invention relates to a vacuum cleaner filter bag having a filter medium comprising a first layer consisting of a netting, a perforated sheet or a perforated non-woven with an air permeability of at least 10,000 l/(m | 09-02-2010 |
| 20100325833 | Vacuum Cleaner Filter Bag Comprising a Sealing Device - The present invention relates to a vacuum cleaner filter bag comprising an inlet opening, a retaining plate, which is situated on the exterior of the bag in the vicinity of the inlet opening and can be attached to a retaining device of a vacuum cleaner in order to fix the vacuum cleaner filter bag, and a closing device situated in the vicinity of the inlet opening, which is configured in such a way that it adopts a first position when the retaining plate is not attached to the retaining device and a second position by the attachment of the retaining plate to the retaining device, wherein the inlet opening is closed in the first position of the closing device and is open in the second position of the closing device. | 12-30-2010 |
| 20110047945 | Vacuum Filter Cleaner Bag - A vacuum cleaner filter bag includes (a) a bag wall made of filter material, an inlet opening being provided in the bag wall, (b) a deflecting strip for deflecting an air flow entering through the inlet opening, the deflecting strip being disposed in the interior of the vacuum cleaner filter bag, (c) a material strip which is disposed in the interior of the vacuum cleaner filter bag and connected to the bag wall, at least a part of the edge of the material strip not being connected to the bag wall, and (d) a spacing means which is configured such that the material strip is at a spacing at least partially from the bag wall during operation of the vacuum cleaner filter bag. | 03-03-2011 |
| 20110203239 | Vacuum Cleaner Filter Bag - The invention relates to a vacuum cleaner filter bag, comprising an inlet opening ( | 08-25-2011 |
| 20120131890 | Flat bag for vacuum cleaners - A flat bag for vacuum cleaners includes, in the interior thereof, at least two diffusers made of strips of material and/or sheet materials with oblong-shaped flow openings. Such flat bags are distinguished by excellent dust storage capacity and extension of the useful life. | 05-31-2012 |
| 20120186204 | Block-base bag for vacuum cleaners - A block-base bag is for vacuum cleaners. The bag includes, in the interior thereof, a diffuser made of strips of material and/or sheet materials with oblong-shaped flow openings. Such bags are distinguished by excellent dust storage capacity and extension of the useful life. | 07-26-2012 |
| 20120210684 | Vacuum Cleaner Filter Bag - The invention relates to a vacuum cleaner filter bag ( | 08-23-2012 |
| 20120211625 | Retaining Plate for a Vacuum Cleaner Filter Bag - The invention relates to a retaining plate for a vacuum-cleaner filter bag comprising a through-passage opening and a closure flap for closing the through-passage opening, wherein the closure flap comprises a first region comprising a first material of a first hardness and a second region comprising a second material of a second hardness, wherein the second hardness is at a lower level than the first hardness, wherein the second region is arranged, at least in part, on the periphery of the closure flap, and wherein the second material, at least in part, has a thickness of less than 1 mm. | 08-23-2012 |
| 20120216493 | Vacuum Cleaner Filter Bag - The Invention relates to a vacuum cleaner filter bag comprising a bag wall, wherein the bag wall comprises precisely one nonwoven layer in the form of a melt-spur microfibrous nonwoven layer. | 08-30-2012 |
| 20120216494 | Holding Plate for a Vacuum Cleaner Filter Bag - The invention relates to a holding plate for a vacuum cleaner filter bag having a bag wall, the holding plate comprising 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 an the side of the base plate that is to be connected to the bag wall. | 08-30-2012 |
| 20120272628 | Flat bag for vacuum cleaners - A flat bag is for vacuum cleaners. The bad includes, in the interior thereof, at least one diffuser which forms an intermediate plane and is made of strips of material and/or sheet materials with oblong-shaped flow openings. Such flat bags are distinguished by excellent dust storage capacity and extension of the useful life. | 11-01-2012 |
| 20130036717 | Vacuum Cleaner Filter Bag Having a Side Fold - The invention comprises a vacuum cleaner filter bag having at least one side fold formed by two fold legs, wherein the vacuum cleaner filter bag is designed as a tubular bag, wherein, in a turned-in state, the at least one side fold has at least three edges, wherein two of the edges are formed by a respective weld seam, and wherein the side fold can be turned out with the edges formed by a weld seam. | 02-14-2013 |
| 20130055900 | Vacuum Cleaner Filter Bag - The invention relates to a vacuum cleaner filter bag, comprising 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 comprises an at least partially pleated non-woven fabric material and the bag wall comprises 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 the at least partially pleated non-woven fabric material. | 03-07-2013 |
| 20130061566 | Vacuum Cleaner Filter Bag - The invention relates to a vacuum cleaner filter bag, comprising 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. Said filter material of the first and the second bag walls is made of a non-woven fabric. The vacuum cleaner filter bag comprises an inlet through which the air which is to be filtered can flow into the vacuum cleaner filter bag, also comprising 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. | 03-14-2013 |
| 20130198994 | Vacuum-Cleaning Apparatus with Vacuum-Cleaner Unit and Filter Bag - 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. | 08-08-2013 |
| 20140059798 | Vacuuming Device Comprising a Vacuum Cleaner and a Bag Filter - The invention relates to a vacuum-cleaning apparatus comprising a vacuum cleaner and a filter bag, in which the filter bag is formed as a non-woven fabric filter bag, as a disposable filter bag and as a flat bag having a first filter bag wall and a second filter bag wall, the filter bag has at least one surface fold, wherein each surface fold comprises areas that are positioned within the surface area of the filter bag wall, and areas that project over the surface area of the filter bag wall and can be unfolded during the vacuum-cleaning, the vacuum cleaner comprises a filter bag receiving space with rigid walls, wherein on the walls of the filter bag receiving space at least a first spacer device is provided to space the areas of at least one surface fold positioned within the surface area of the filter bag wall away from the wall of the filter bag receiving space, and at least a second spacer device is provided to space the unfolded areas of the at least one surface fold away from the wall of the filter bag receiving space. | 03-06-2014 |
| 20140165325 | Vacuuming Device Comprising a Vacuum Cleaner and a Bag Filter - The invention relates to a vacuum-ceaning apparatus comprising a vacuum cleaner and a filter bag made of non-woven fabric, wherein the vacuum cleaner has a nominal electric input power of less than 1200 W, preferably less than 1100 W, more preferably less than 900 W, wherein the vacuum cleaner comprises a motor-fan unit and a controlling device controlling the vacuum cleaner such that the airflow is kept substantially constant at a value of at least 34 l/s, preferably substantially constant at a value of at least 37 l/s, more preferably substantially constant at a value of at least 40 l/s when the filter bag is loaded with DMT8 test dust analogous to EN 60312, and wherein the filter bag is a disposable filter bag made of non-woven fabric which has an airflow drop of less than 15%, preferably less than 10%, more preferably less than 5% in tests demonstrating the reduction of the maximum airflow with a partially filled dust container analogous to EN 60312. | 06-19-2014 |
| 20140352102 | Retaining Plate - 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. | 12-04-2014 |
| 20150026918 | Vacuum Cleaning Apparatus Having a Vacuum Cleaning Unit and a Filter Bag - 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 | 01-29-2015 |
