Abrégé

The invention relates to a vacuum cleaner filter bag comprising a wall which is made of an air-permeable material and surrounds an inner space, and an inlet opening introduced into the wall, wherein the air-permeable material comprises at least one layer made of a non-woven and/or a layer made of a fiber web, said non-woven and/or a fiber web comprising fibers or consisting thereof, which are made from a recycled plastic or a plurality of recycled plastics, wherein the recycled plastic or the plurality of recycled plastics comprise or are chemically recycled polypropylene.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques

Abrégé

The invention provides a vacuum cleaner filter bag, comprising a wall enclosing an interior and made of an air-permeable material and an inlet opening introduced into the wall, characterized in that the air-permeable material comprises at least one layer of a nonwoven fabric which comprises powdery and/or fibrous recycled material from the production of textiles, in particular cotton textiles, and/or from wool shearing and/or seed fibers.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• B01D 39/18 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques la substance étant la cellulose ou ses dérivés
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Produits et services

Dust filters and bags for vacuum cleaners. Filters for respiratory masks; Respiratory mask filters [non-medical]; Dust masks; Respiratory masks, other than for artificial respiration. Masks for use by medical personnel; High filter surgical masks; Filter inserts for masks for medical and dental personnel; Filter inserts for surgical masks with a high filter effect; Filters for blood and blood components. Filters for air extractor hoods; Filters for use with apparatus for air conditioning; Filters for use with air purification devices.

Abrégé

The invention comprises a retaining plate (1), comprising a first plate (2) and a second plate (3) arranged in a first plane, and a third plate (8) arranged in a second plane which runs in parallel to the first plane, the third plate (8) having a lower flexural stiffness than the first plate (2) and the second plate (3), wherein the first plate (2) and the second plate (3) are interconnected by means of the third plate (8) such that a hinge is formed between the first plate (2) and the second plate (3) about the hinge axis (A) of which the first plate (2) and/or the second plate (3) can be bent together with the respective part of the third plate (8) connected thereto.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The invention comprises a vacuum-cleaner filter bag (1) having a bag wall (2) and a retaining plate (3), the retaining plate (3) the retaining plate (3) comprising an least partially cylindrical connection piece (4) extending in the direction of the through opening (5) formed in the retaining plate (3), the bag wall (2) being connected to the lateral surface of the connection piece (4) along the periphery of the connection piece.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• A47L 5/24 - Aspirateurs tenus à la main

Abrégé

The invention comprises a vacuum cleaner filter bag (1), comprising a bag wall (2) and a retaining plate (3), wherein the retaining plate (3) is connected to an at least partially cylindrical connection piece (4) which extends in a direction perpendicular to a passage opening (5) formed in the retaining plate (3), wherein the bag wall (2) is connected with the lateral surface of the connection piece (4) along the circumference thereof.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B01D 46/02 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p. ex. appareils de précipitation de poussières
• B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p. ex. appareils de précipitation de poussières
• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs

Abrégé

The invention relates to a vacuum-cleaner filter bag comprising a wall which is made of an air-permeable material and surrounds an inner chamber, and an inlet opening introduced into the wall, wherein the air-permeable material comprises at least one layer made of a non-woven fabric and/or a layer made from a fibrous non-woven, said non-woven fabric or fibrous non-woven comprising fibers or consisting thereof, which are made from a recycled plastic or a plurality of recycled plastics, wherein the recycled plastic or the plurality of recycled plastics comprise or are chemically recycled polypropylene.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques

Abrégé

3/g.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B01D 39/04 - Substance organique, p. ex. cellulose, coton
• B01D 39/06 - Substance inorganique, p. ex. fibres d'amiante, perles ou fibres de verre
• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• B01D 39/20 - Autres substances filtrantes autoportantes en substance inorganique, p. ex. papier d'amiante ou substance filtrante métallique faite de fils métalliques non-tissés

Abrégé

The present invention relates to a vacuum cleaner filter bag composed primarily of plastic recyclates.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques

Abrégé

The invention relates to a vacuum-cleaner filter bag comprising a wall made of an air permeable material and surrounding an inner chamber, and an inlet opening introduced into the wall. The vacuum-cleaner filter bag is characterized in that the air permeable material comprises at least one layer made from a non-woven fabric and/or a layer made from a fiber web which comprises fibers or is made from fibers which are made from a recycled plastic or a plurality of recycled plastics.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• B01D 39/18 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques la substance étant la cellulose ou ses dérivés
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

3.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• B01D 39/18 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques la substance étant la cellulose ou ses dérivés

Abrégé

The present invention relates to vacuum cleaner filter bags made of waste products of the textile industry. In addition, possibilities for use of waste products of the textile industry for vacuum cleaner filter bags are indicated.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques

Abrégé

The present invention relates to vacuum cleaner filter bags made of waste products from the textile industry. In addition, possible uses of waste products from the textile industry for vacuum cleaner filter bags are specified. The vacuum cleaner filter bag, which comprises a wall, enclosing an interior, made of an air-permeable material and an inlet opening introduced into the wall, is characterized in that the air-permeable material comprises at least one layer of a nonwoven, which comprises fibrous and/or dust-form recycled textile material and/or cotton linters, wherein the specific volume of the layer of nonwoven is at least 20 cm3/g.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• B01D 39/20 - Autres substances filtrantes autoportantes en substance inorganique, p. ex. papier d'amiante ou substance filtrante métallique faite de fils métalliques non-tissés
• B01D 39/02 - Substance filtrante non agglomérée, p. ex. fibres

Abrégé

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.

Classes IPC  ?

• A47L 9/28 - Montage de l'équipement électrique, p. ex. adaptation ou fixation à l'aspirateurCommande des aspirateurs par des moyens électriques
• A47L 5/36 - Aspirateurs munis d'un tube souple entre la buse et le corpsAspirateurs se fixant sur les escaliersAspirateurs se transportant sur le dos
• A47L 9/24 - Tuyaux flexiblesLeurs pièces d'assemblage
• A47L 5/22 - Caractéristiques de structures des aspirateurs à pompes à air ou compresseurs à moteur, p. ex. fonctionnant par le vide créé par le moteur d'un véhicule à ailettes rotatives
• A47L 9/16 - Agencement ou disposition des cyclones ou autres dispositifs à action centrifuge
• A47L 9/22 - Pièces d'assemblage des ailettes et du moteur
• A47L 9/04 - Buses avec brosses ou agitateurs commandés
• A47L 9/06 - Buses avec brosses ou similaires fixes, p. ex. à fixation réglable

Abrégé

The invention relates to a vacuum cleaner filter bag comprising a wall that encloses an inner space and consists of an air-permeable material, as well as an inlet opening that is introduced into said wall, characterised in that the air-permeable material has at least one layer of a non-woven fabric that comprises dust-like and/or fibre-like recycled material from the production of textiles, particularly cotton textiles, and/or from clipping wool, and/or seed fibres.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• B01D 39/18 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques la substance étant la cellulose ou ses dérivés

Abrégé

The invention relates to a vacuum-cleaner filter bag comprising a wall made of an air-permeable material and surrounding an inner chamber, and an inlet opening introduced into the wall. The air-permeable material comprises at least one layer of a non-woven fabric made from dust and/or fibre-like recycled material from the production of textiles, in particular cotton textiles, the at least one layer of the non-woven fabric which comprises the dust and/or fiber-like recycled material has a density of 0.005 g/cm³ - 0.03 g/cm³, in particular from 0.007 g/cm³ - 0.02 g/cm³.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

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.

Classes IPC  ?

• B01D 46/02 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p. ex. appareils de précipitation de poussières
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B29C 65/08 - Assemblage d'éléments préformésAppareils à cet effet par chauffage, avec ou sans pressage avec des vibrations ultrasonores
• B29C 65/00 - Assemblage d'éléments préformésAppareils à cet effet
• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B29L 31/00 - Autres objets particuliers
• B29C 65/02 - Assemblage d'éléments préformésAppareils à cet effet par chauffage, avec ou sans pressage

Abrégé

The invention relates to a vacuum-cleaner filter bag comprising a wall made of an air permeable material and surrounding an inner chamber, and an inlet opening introduced into the wall. The vacuum-cleaner filter bag is characterized in that the air permeable material comprises at least one layer made from a non-woven fabric and/or a layer made from a fibrous nonwoven which comprises the fibres or is made from the fibres which are made from a recycled plastic or a plurality of recycled plastics.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• B01D 39/18 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques la substance étant la cellulose ou ses dérivés

Abrégé

The present invention relates to a vacuum cleaner filter bag made from waste products in the textile industry. In addition, possible uses of waste products in the textile industry for vacuum cleaner filter bags are provided.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The invention related to a vacuum-cleaner filter bag which is primarily made from plastic recyclates.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques

Abrégé

The present invention relates to methods for establishing an improved integral connection between a retaining plate and the wall of a vacuum-cleaner filter bag. According to a first variant, rather than the retaining plate being applied directly to the wall of the vacuum-cleaner filter bag, a textile material is arranged between the retaining plate and the wall. The retaining plate and the wall of the vacuum-cleaner filter bag are connected in this case via the textile material. According to a second variant, a film made of a thermoplastic material is arranged in certain regions between the retaining plate and wall of the vacuum-cleaner filter bag. The retaining plate and the wall of the vacuum-cleaner filter bag are connected in this case via the film. According to a third variant, the retaining plate is connected directly to the wall of the vacuum-cleaner filter bag. In this case, at least in the region in which the retaining plate is applied, the wall is in the form of a film made of special thermoplastic materials. The present invention likewise relates to vacuum-cleaner filter bags in which the retaining plate is connected integrally to the wall of the vacuum-cleaner filter bag in accordance with the above-mentioned principles.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Produits et services

Vacuum cleaners; Parts for all the aforesaid goods included in class 7, in particular vacuum cleaner bags, dust filter bags; Dust filters and bags for vacuum cleaners; Vacuum cleaner accessories; Paper replacement bags for vacuum cleaners. Filtering materials of paper.

Abrégé

The invention relates to an autonomously driven floor vacuum cleaner which is modular in design. Said floor vacuum cleaner comprises a cleaning head module and a separate canister module. The cleaning head module and the canister module are connected together by means of a pipe such that dust can be suctioned into the canister module by means of the cleaning head module

Classes IPC  ?

• A47L 9/16 - Agencement ou disposition des cyclones ou autres dispositifs à action centrifuge

Abrégé

The invention relates to a vacuum cleaner filter bag composed of a thermally weldable filter material, which forms the closed off interior of the vacuum cleaner filter bag. The interior is closed at least on one side by means of a weld seam designed according to the invention, in the case of which weld seam at least two layers of the filter material are welded to each other. The weld seam designed according to the invention is characterized by a far higher tear strength in comparison with weld seams known from the prior art. The invention further relates to a method for producing the vacuum cleaner filter bag, to a tool for producing the high-strength weld seam, and to an ultrasonic welding system in which said tool is integrated.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B29C 65/08 - Assemblage d'éléments préformésAppareils à cet effet par chauffage, avec ou sans pressage avec des vibrations ultrasonores

Abrégé

The invention relates to a vacuum cleaner filter bag for an upright vacuum cleaner. The vacuum cleaner bag according to the invention has a greater length than width, resulting in a longitudinal side and a narrow side. Said bag is formed by two bag walls which are circumferentially connected to each other such that an interior chamber is formed between the two bag walls. One bag wall has an inlet opening through which the air to be cleaned can flow into the vacuum cleaner filter bag. The vacuum cleaner filter bag according to the invention is characterized in that the bag wall in which the inlet opening is incorporated has a fold extending in the longitudinal direction of the vacuum cleaner filter bag, by means of which said bag wall has increased flexibility and, upon turning down the holding plate upon inserting the filter bag into a vacuum cleaner, the vacuum cleaner filter bag opens such that the air can enter the filter bag substantially unimpeded.

Classes IPC  ?

• A47L 9/00 - Parties constitutives ou accessoires des aspirateurs, p. ex. moyens mécaniques pour commander l'aspiration ou pour entraîner une action de battementDispositifs de rangement spécialement conçus pour les aspirateurs ou les pièces de ceux-ciVéhicules porteurs spécialement conçus pour les aspirateurs

Abrégé

The invention relates to a method for optimizing a vacuum cleaning system comprising a substantially hoseless and tubeless vacuum cleaning device and a filter bag, where the substantially hoseless and tubeless vacuum cleaning device comprises a motor-fan unit having a characteristic motor-fan curve, a filter bag receptacle, a connection port for the filter bag and a cleaning head, and where the filter bag comprises filter material made of nonwoven material, comprising the step of: adapting the characteristic motor-fan 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 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 30%, preferably of at least 34%, particularly preferably of at least 38% when vacuuming according to the Standard on a Standard carpet type Wilton with an empty filter bag, where vacuuming according to the Standard is performed according to Standard EN 60312 and the Standard carpet type Wilton is provided according to Standard EN 60312. The Invention furthermore relates to a vacuum cleaning system having a substantially hoseless and tubeless vacuum cleaning device and a filter bag which is developed and/or manufactured using this method.

Classes IPC  ?

• A47L 9/00 - Parties constitutives ou accessoires des aspirateurs, p. ex. moyens mécaniques pour commander l'aspiration ou pour entraîner une action de battementDispositifs de rangement spécialement conçus pour les aspirateurs ou les pièces de ceux-ciVéhicules porteurs spécialement conçus pour les aspirateurs
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• A47L 9/22 - Pièces d'assemblage des ailettes et du moteur
• A47L 9/28 - Montage de l'équipement électrique, p. ex. adaptation ou fixation à l'aspirateurCommande des aspirateurs par des moyens électriques

Abrégé

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 Wilton with an empty filter bag, where vacuuming according to the Standard is performed according to Standard EN 60312 and the Standard carpet type Wilton is provided according to Standard EN 60312. The Invention furthermore relates to a vacuum cleaning system having a cylinder vacuum cleaning device and a filter bag which is developed and/or manufactured using this method.

Classes IPC  ?

• A47L 9/00 - Parties constitutives ou accessoires des aspirateurs, p. ex. moyens mécaniques pour commander l'aspiration ou pour entraîner une action de battementDispositifs de rangement spécialement conçus pour les aspirateurs ou les pièces de ceux-ciVéhicules porteurs spécialement conçus pour les aspirateurs
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The invention relates to a vacuum cleaner filter bag made of non-woven fabric, which at least at one location on the edge side has a tie-up of the non-woven layers thus closing the bag. At at least one location of the edge, a spacing means is incorporated, which is formed by a double weld seam or stiffening elements, which are attached in this region. The characteristic feature of the vacuum cleaner filter bag according to the invention is an increased three-point bending stiffness.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The invention relates to a filter bag for a vacuum cleaner which is formed from a filter material which comprises at least three filter material layers. At least one layer of the filter material layers is a scrim and at least one layer is a fiber fleece layer, which comprises unconnected pile fibers and/or unconnected filaments.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques

Abrégé

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.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

teil is the vacuum, in [kPa], in the filter bag-holding compartment with a partly filled filter bag, and ψ is the filtration efficiency, in [%], of the filter bag material of more than 13, preferably more than 15, especially preferably more than 17.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

teil is the input power of the motor/fan unit of the vacuum cleaning apparatus with a partly filled filter bag according to EN 60312 with orifice diameter 8 after collecting 400 g of DMT8 test dust, and ψ is the filtration efficiency of the filter bag material).

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

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

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The invention relates to a face mask comprising a filter material having at least one intermediate layer between the inner layer and the outer layer. The intermediate layer is formed from electrostatically charged staple fibers and/or electrostatically charged filaments and/or fiber networks, wherein a powdered absorption material is applied to the surface of the fibers of the intermediate layer.

Classes IPC  ?

• A62B 23/02 - Filtres en vue de la protection des voies respiratoires pour appareils respiratoires
• A41D 13/11 - Masques de protection du visage, p. ex. pour utilisation chirurgicale ou pour utilisation en atmosphère polluée

Abrégé

The invention relates to a block-bottom bag (1) for vacuum cleaners, which on the inside has at least one diffuser (8) made of material strips and/or flat structures with elongated flow openings. Bags (1) such as these are characterized by an excellent dust storage capacity and a longer service life.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The present invention relates to a flat bag for vacuum cleaners, comprising at least one diffuser made of material strips and/or web material from at least one intermediate level and having longitudinally shaped flow openings. Such flat bags are characterized by excellent dust holding capacity and extended service life.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• A47L 9/10 - FiltresSéparateurs de poussièreEnlèvement de la poussièreÉchange automatique des filtres

Abrégé

The present invention relates to a flat bag for vacuum cleaners which, in the interior thereof, has at least two diffusers made of strips of material and/or textile structures and having elongated flow openings. Flat bags of this type are distinguished by an excellent dust retaining capacity and a prolongation of the period of use.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

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.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

A filter bag for a vacuum cleaner made of a composite material including at least three layers, at least two layers which include a nonwoven fabric layer and at least one nonwoven fiber layer being connected by a weld.

Classes IPC  ?

• B01D 46/02 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p. ex. appareils de précipitation de poussières

Abrégé

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.

Classes IPC  ?

• B01D 46/02 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p. ex. appareils de précipitation de poussières

Abrégé

A filter bag for a vacuum cleaner includes at least three layers, at least two layers which include 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.

Classes IPC  ?

• B01D 46/02 - Séparateurs de particules comportant des filtres creux faits en un matériau souple, p. ex. appareils de précipitation de poussières

Abrégé

The invention relates to a dust filter bag in the form of a flat bag (1) for a vacuum cleaner which is formed by a first layer (8) and a second layer (7) made from a bondable material, wherein the layers (7, 8) are bonded to each other along the length of their periphery.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The invention relates to a filter bag for a vacuum cleaner. Said filter bag is made of a composite material encompassing at least three layers. At least two layers, which are composed of a fleece layer and at least one fiber fleece layer, are connected by means of a welded joint. The invention further relates to the use of such a filter bag.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The invention relates to a filter bag for a vacuum cleaner, comprising a tubular bag, which consists of an outer covering that has at least one nonwoven layer, with a first end region (2), which is at least partially sealed and a second sealed end region (5) that lies opposite the first end region. The first end region is folded to form a base. The invention also relates to a method for producing a filter bag of this type.

Classes IPC  ?

• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci
• B31B 41/00 - Mécanismes caractérisés par le fait que les enveloppes ou sacs fabriqués ont d'autres formes ou structures spécifiques

Abrégé

The invention relates to a filter bag for a vacuum cleaner, comprising at least three layers, whereby at least two layers, consisting of at least one non-woven fabric layer and one non-woven fibre layer, are connected together by a weld. A high degree of fluffiness is obtained due to the low number of welds per surface. The invention also relates to the use of said type of filter bag.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

The invention relates to a vacuum cleaner filter bag which is made of a filter material and which comprises at least three layers. At least two layers consist of a non-woven fabric layer, and at least one layer consists of a non-woven fabric layer of fibres and/or filaments. The at least two non-woven fabric layers and the at least one non-woven fibre layer are connected together by a weld.

Classes IPC  ?

• B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
• A47L 9/14 - Sacs ou similairesFixation des sacs ou fermeture de ceux-ci

Abrégé

Described is a vacuum-cleaner bag which is made of an air-permeable filter material and forms a closed dust-collecting chamber, the vacuum-cleaner bag containing a material which can be whirled up under a given air flow.

Classes IPC  ?

• A47L 7/00 - Aspirateurs adaptés à d'autres emploisTables avec orifices d'aspiration en vue du nettoyageRécipients pour articles de nettoyage par aspirationAspirateurs conçus pour le nettoyage des brossesAspirateurs conçus pour l'absorption de liquides
• A47L 7/04 - Aspirateurs adaptés à d'autres emploisTables avec orifices d'aspiration en vue du nettoyageRécipients pour articles de nettoyage par aspirationAspirateurs conçus pour le nettoyage des brossesAspirateurs conçus pour l'absorption de liquides pour utiliser l'air d'échappement à d'autres fins, p. ex. pour répandre des produits chimiques dans une pièce, pour stériliser l'air

Produits et services

Replacement bags and filters for vacuum cleaners.

Produits et services

Vacuum cleaner attachments for disseminating perfumes and disinfectants; vacuum cleaner hoses, filters, nozzles; vacuum cleaner parts and accessories not included in other classes. Paper, cardboard and goods made from these materials; vacuum cleaner bags of paper and filtering materials of paper.

Produits et services

Vacuum cleaner attachments for disseminating perfumes and disinfectants; vacuum cleaner hoses, filters, nozzles; vacuum cleaner parts and accessories not included in other classes. Paper, cardboard and goods made from these materials; vacuum cleaner bags of paper and filtering materials of paper.