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EP2510858A1 - Bag for a vacuum cleaner - Google Patents

Bag for a vacuum cleaner Download PDF

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Publication number
EP2510858A1
EP2510858A1 EP12159465A EP12159465A EP2510858A1 EP 2510858 A1 EP2510858 A1 EP 2510858A1 EP 12159465 A EP12159465 A EP 12159465A EP 12159465 A EP12159465 A EP 12159465A EP 2510858 A1 EP2510858 A1 EP 2510858A1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
storage element
cleaner bag
bag according
filter material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12159465A
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German (de)
French (fr)
Other versions
EP2510858B1 (en
Inventor
Wolfgang Dr. Czado
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wolf PVG GmbH and Co KG
Original Assignee
Wolf PVG GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wolf PVG GmbH and Co KG filed Critical Wolf PVG GmbH and Co KG
Publication of EP2510858A1 publication Critical patent/EP2510858A1/en
Application granted granted Critical
Publication of EP2510858B1 publication Critical patent/EP2510858B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles

Definitions

  • the present invention relates to a vacuum cleaner bag made of an air-permeable material, in particular a nonwoven fabric, having an inflow opening and an air-permeable storage element arranged opposite the inflow opening, onto which the incoming air stream impinges.
  • the DE 20 2005 009 452 discloses a vacuum cleaner bag in which opposite to an inflow opening an air-permeable cushion is arranged from a nonwoven fabric. Active ingredients are contained in the pad, with the incoming air stream impinging on the pad and releasing the active ingredients.
  • This cushion also provides an impact protection, however, the fixed arrangement of the pad on the filter material ensures a reduction of the effective filter area. In addition, it can happen with flat bags, that with increasing filling of the dust cake increases and clogs the inflow or at least reduces the suction power.
  • the vacuum cleaner bag comprises a storage element, which is incident on the incoming air flow, which is movably supported via a support element, wherein the support element consists of a different material than the storage element. Due to the movable mounting of the storage element of the incoming air flow can first impinge on the storage element, where a part of the dust can already be stored, in particular because the storage element is designed to be permeable to air. The dust stored in the storage element thus no longer clogs the filter walls of the vacuum cleaner bag.
  • the movable mounting of the storage element prevents the storage element reduces the effective filter surface of the vacuum cleaner bag and also allows static growth of the filter cake, because the filter cake is possibly better distributed in the vacuum cleaner through the movable arrangement of the storage element.
  • the support element is fixed to the filter material of the vacuum cleaner bag and holds the storage element inside the vacuum cleaner bag.
  • the support element presses the storage element with a restoring force against the incoming air flow.
  • the storage element is held at a distance from the filter material. In operation, it is particularly advantageous if the storage element is held fluttering, so that a dust cake is optionally distributed in the vacuum cleaner bag.
  • the storage element is preferably made of a sheet, in particular of a single or multi-layer nonwoven fabric.
  • air-permeable materials such as carded web, spunbond, nets or perforated films can be used as the storage element.
  • a pocket-shaped element can also be used.
  • foam or other materials is possible.
  • the storage element may also have the form of a bag, a bag, a basket or a hose.
  • At least one intermediate layer is preferably arranged between the storage element and a support surface on the filter material for the storage element.
  • the intermediate layer preferably consists of a smooth friction-reducing material, in particular a film, which prevents a fixation of the storage element on the filter material.
  • the intermediate layer is preferably permeable to air, so that the effective filter surface is only slightly reduced by the intermediate layer.
  • the intermediate layer can be fixed to both the filter material and the storage element.
  • the storage element preferably deflects the incoming air in a main flow direction.
  • a folding of gussets can be achieved by the vacuum cleaner bag is deployed by the deflection of the air flow.
  • the support element is preferably elastic and can exert a restoring force on the storage element.
  • the support member made of a rubber, foam rubber, a non-woven strip, foil or other suitable materials.
  • the support element is provided with a predetermined breaking point.
  • a predetermined force on the support member exceeds this breaks off in the region of the predetermined breaking point, so that the resistance to the incoming air is reduced.
  • tearing of the predetermined breaking point may be useful to allow a better distribution of the dust in the vacuum cleaner bag.
  • a vacuum cleaner bag 1 is designed as a flat bag and comprises an upper layer and a lower layer 3 of filter material, in particular a single-layer or multi-layer nonwoven fabric.
  • the upper layer 2 and the lower layer 3 are circumferentially welded together, so that a circumferential seam 4 is formed. It is also possible to provide a gusset in the region of the seam 4 on one or more sides.
  • an inflow opening 5 is formed, through which an air stream enters an interior of the vacuum cleaner bag 1, as shown by the arrow 6.
  • the incoming air stream 6 impinges on a storage element 7, which is formed as a sheet and comprises at least one layer of a nonwoven fabric.
  • the storage element may in particular be formed from carded web, spunbond, nets and / or perforated film. Other materials, such as foam, fabric and knitted fabric can be used.
  • the storage element 7 is fixed via a strip or band-shaped support element 8 of another nonwoven material.
  • the support member 8 is defined by a strip 9, for example made of cardboard, on the lower layer 3 of filter material.
  • the lower layer 3 of filter material also has a different curvature than the storage element 7, which is made stiffer and deflects the incoming air stream 6 in a main flow direction 16, as indicated by the arrow.
  • an intermediate layer may be provided, which is fixed to the storage element 7.
  • a perforated foil can be used which prevents the storage element 7 from adhering to the lower layer 3 of filter material.
  • FIG. 2 is a modified embodiment of a vacuum cleaner bag 1 'is shown, which is also designed as a flat bag and an upper layer 2 and a lower layer 3, which are connected to each other at the edge via a weld 4.
  • an inflow opening 5 is formed through which an incoming air stream 6 enters.
  • a storage element 7' is arranged from a sheet, which is mounted movably via two spaced-apart support elements 8 'and 9'.
  • the support elements 8 'and 9' are each formed as strips, in particular made of an elastic material, such as plastic film, rubber or other Material. Each strip-shaped support element 8 'and 9' is fixed on opposite sides to the vacuum cleaner bag 1 '.
  • the support member 8 ' has an end 18 which on the left side seam 4 in FIG. 2 is fixed and fixed at an opposite end 28 on the right side seam 4, as well as from the enlarged detail of the FIG. 3 is apparent.
  • the second strip-shaped support element 9 ' is fixed at one end 19 to the side seam 4 and also at the opposite end.
  • the storage element 7 ' can indeed move in the interior of the vacuum cleaner bag, but not change the position so far that the incoming air flow no longer impinges on the storage element 7' through the inflow opening 5.
  • an intermediate layer 10 made of a friction-reducing material, in particular of a perforated film. Otherwise, it could happen that the filter material 3 or the storage element 7 'is damaged or the storage element 7' adheres to the filter material due to the flutter movements of the storage element 7 '.
  • the air permeability of the intermediate layer 10 ensures that the filter material 3 can also be used in this area for filtering.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

The vacuum cleaner bag (1) is made of air-permeable filter materials (2,3), particularly a fleece material, and has an inlet opening (5) and an air-permeable storage element (7) which is arranged opposite to the inlet opening. The storage element is moveably supported over supporting elements (8,9).

Description

Die vorliegende Erfindung betrifft einen Staubsaugerbeutel aus einem luftdurchlässigen Material, insbesondere einem Vliesstoff, mit einer Einströmöffnung und einem gegenüber der Einströmöffnung angeordneten luftdurchlässigen Speicherelement, auf das der eintretende Luftstrom auftrifft.The present invention relates to a vacuum cleaner bag made of an air-permeable material, in particular a nonwoven fabric, having an inflow opening and an air-permeable storage element arranged opposite the inflow opening, onto which the incoming air stream impinges.

Die DE 20 2005 009 452 offenbart einen Staubsaugerbeutel, bei dem gegenüber einer Einströmöffnung ein luftdurchlässiges Kissen aus einem Vliesstoff angeordnet ist. In dem Kissen sind Wirkstoffe enthalten, wobei der eintretende Luftstrom auf das Kissen auftrifft und die Wirkstoffe freisetzt. Durch dieses Kissen wird zudem ein Prallschutz bereitgestellt, allerdings sorgt die feste Anordnung des Kissens auf dem Filtermaterial für eine Verringerung der wirksamen Filterfläche. Zudem kann es bei Flachbeuteln passieren, dass bei zunehmender Befüllung der Staubkuchen anwächst und die Einströmöffnung verstopft oder zumindest die Saugleistung reduziert.The DE 20 2005 009 452 discloses a vacuum cleaner bag in which opposite to an inflow opening an air-permeable cushion is arranged from a nonwoven fabric. Active ingredients are contained in the pad, with the incoming air stream impinging on the pad and releasing the active ingredients. This cushion also provides an impact protection, however, the fixed arrangement of the pad on the filter material ensures a reduction of the effective filter area. In addition, it can happen with flat bags, that with increasing filling of the dust cake increases and clogs the inflow or at least reduces the suction power.

Es ist daher Aufgabe der vorliegenden Erfindung, die Standzeit eines Staubsaugerbeutels zu erhöhen und ein Verstopfen der Einströmöffnung auch bei zunehmender Befüllung zu vermeiden.It is therefore an object of the present invention to increase the service life of a vacuum cleaner bag and to prevent clogging of the inflow even with increasing filling.

Diese Aufgabe wird mit einem Staubsaugerbeutel mit den Merkmalen des Anspruches 1 gelöst.This object is achieved with a vacuum cleaner bag with the features of claim 1.

Erfindungsgemäß umfasst der Staubsaugerbeutel ein Speicherelement, auf das der eintretende Luftstrom auftrifft, das über ein Stützelement bewegbar gelagert ist, wobei das Stützelement aus einem anderen Material besteht als das Speicherelement. Durch die bewegbare Lagerung des Speicherelementes kann der eintretende Luftstrom zunächst auf das Speicherelement auftreffen, wo ein Teil des Staubes schon gespeichert werden kann, insbesondere da das Speicherelement luftdurchlässig ausgebildet ist. Der in dem Speicherelement gespeicherte Staub verstopft somit nicht mehr die Filterwände des Staubsaugerbeutels. Durch die bewegbare Lagerung des Speicherelements wird verhindert, dass das Speicherelement die wirksame Filterfläche des Staubsaugerbeutels verringert und zudem ein statisches Anwachsen des Filterkuchens zulässt, denn durch die bewegbare Anordnung des Speicherelementes wird der Filterkuchen gegebenenfalls besser im Staubsaugerbeutel verteilt.According to the invention the vacuum cleaner bag comprises a storage element, which is incident on the incoming air flow, which is movably supported via a support element, wherein the support element consists of a different material than the storage element. Due to the movable mounting of the storage element of the incoming air flow can first impinge on the storage element, where a part of the dust can already be stored, in particular because the storage element is designed to be permeable to air. The dust stored in the storage element thus no longer clogs the filter walls of the vacuum cleaner bag. The movable mounting of the storage element prevents the storage element reduces the effective filter surface of the vacuum cleaner bag and also allows static growth of the filter cake, because the filter cake is possibly better distributed in the vacuum cleaner through the movable arrangement of the storage element.

Gemäß einer bevorzugten Ausgestaltung der Erfindung ist das Stützelement an dem Filtermaterial des Staubsaugerbeutels festgelegt und hält das Speicherelement im Inneren des Staubsaugerbeutels. Vorzugsweise drückt das Stützelement das Speicherelement mit einer Rückstellkraft gegen den eintretenden Luftstrom. Dadurch wird das Speicherelement beabstandet von dem Filtermaterial gehalten. Im Betrieb ist es besonders vorteilhaft, wenn das Speicherelement flatternd gehalten ist, so dass ein Staubkuchen gegebenenfalls in dem Staubsaugerbeutel verteilt wird.According to a preferred embodiment of the invention, the support element is fixed to the filter material of the vacuum cleaner bag and holds the storage element inside the vacuum cleaner bag. Preferably, the support element presses the storage element with a restoring force against the incoming air flow. As a result, the storage element is held at a distance from the filter material. In operation, it is particularly advantageous if the storage element is held fluttering, so that a dust cake is optionally distributed in the vacuum cleaner bag.

Das Speicherelement besteht vorzugsweise aus einem Flächengebilde, insbesondere aus einem ein- oder mehrlagigen Vliesstoff. Als Speicherelement können insbesondere luftdurchlässige Materialien, wie Krempelvlies, Spunbond, Netze oder perforierte Folien eingesetzt werden. Statt einem Flächengebilde kann auch ein taschenförmiges Element eingesetzt werden. Auch der Einsatz von Schaumstoff oder anderen Materialien ist möglich. Zudem kann das Speicherelement auch die Form einer Tasche, eines Beutels, eines Korbes oder eines Schlauches besitzen.The storage element is preferably made of a sheet, in particular of a single or multi-layer nonwoven fabric. In particular air-permeable materials such as carded web, spunbond, nets or perforated films can be used as the storage element. Instead of a fabric, a pocket-shaped element can also be used. The use of foam or other materials is possible. In addition, the storage element may also have the form of a bag, a bag, a basket or a hose.

Um ein Anhaften des Speicherelementes an dem Filtermaterial zu verhindern, ist vorzugsweise zwischen dem Speicherelement und einer Auflagefläche an dem Filtermaterial für das Speicherelement mindestens eine Zwischenlage angeordnet. Die Zwischenlage besteht dabei vorzugsweise aus einem glatten reibungsmindernden Material, insbesondere einer Folie, die eine Fixierung des Speicherelementes auf dem Filtermaterial verhindert. Die Zwischenlage ist vorzugsweise luftdurchlässig ausgebildet, so dass die wirksame Filterfläche durch die Zwischenlage nur unwesentlich reduziert wird. Die Zwischenlage kann dabei sowohl an dem Filtermaterial als auch dem Speicherelement fixiert sein. Es ist natürlich auch möglich, mehrere Zwischenlagen zwischen dem Filtermaterial und dem Speicherelement vorzusehen.In order to prevent adhesion of the storage element to the filter material, at least one intermediate layer is preferably arranged between the storage element and a support surface on the filter material for the storage element. The intermediate layer preferably consists of a smooth friction-reducing material, in particular a film, which prevents a fixation of the storage element on the filter material. The intermediate layer is preferably permeable to air, so that the effective filter surface is only slightly reduced by the intermediate layer. The intermediate layer can be fixed to both the filter material and the storage element. Of course, it is also possible to provide a plurality of intermediate layers between the filter material and the storage element.

Um eine besonders gute Luftverteilung in dem Staubsaugerbeutel zu erhalten, lenkt das Speicherelement die einströmende Luft vorzugsweise in eine Hauptströmungsrichtung ab. Dadurch kann auch ein Auffalten von Seitenfalten erreicht werden, indem durch die Ablenkung des Luftstromes der Staubsaugerbeutel entfaltet wird.In order to obtain a particularly good air distribution in the vacuum cleaner bag, the storage element preferably deflects the incoming air in a main flow direction. As a result, a folding of gussets can be achieved by the vacuum cleaner bag is deployed by the deflection of the air flow.

Das Stützelement ist vorzugsweise elastisch ausgebildet und kann eine Rückstellkraft auf das Speicherelement ausüben. Beispielsweise kann das Stützelement aus einem Gummi, Schaumgummi, einem Vliesstreifen, Folie oder anderen geeigneten Materialien bestehen.The support element is preferably elastic and can exert a restoring force on the storage element. For example, the support member made of a rubber, foam rubber, a non-woven strip, foil or other suitable materials.

Gemäß einer weiteren Ausgestaltung der Erfindung ist das Stützelement mit einer Sollbruchstelle versehen. Bei Übersteigen einer vorbestimmten Kraft auf das Stützelement reißt dieses im Bereich der Sollbruchstelle ab, so dass der Widerstand für die einströmende Luft reduziert wird. Insbesondere bei zunehmender Befüllung kann ein Abreißen der Sollbruchstelle sinnvoll sein, um eine bessere Verteilung des Staubes in dem Staubsaugerbeutel zu ermöglichen.According to a further embodiment of the invention, the support element is provided with a predetermined breaking point. When a predetermined force on the support member exceeds this breaks off in the region of the predetermined breaking point, so that the resistance to the incoming air is reduced. In particular, with increasing filling tearing of the predetermined breaking point may be useful to allow a better distribution of the dust in the vacuum cleaner bag.

Die Erfindung wird nachfolgend anhand zweier Ausführungsbeispiele mit Bezug auf die beigefügten Zeichnungen näher erläutert. Es zeigen:

Figur 1
eine Ansicht eines erfindungsgemäßen Staubsaugerbeutels;
Figur 2
eine Ansicht eines modifizierten Staubsaugerbeutels, und
Figur 3
eine Detailansicht des Staubsaugerbeutels der Figur 2.
The invention will be explained in more detail with reference to two embodiments with reference to the accompanying drawings. Show it:
FIG. 1
a view of a vacuum cleaner bag according to the invention;
FIG. 2
a view of a modified vacuum cleaner bag, and
FIG. 3
a detailed view of the vacuum cleaner bag of FIG. 2 ,

Ein Staubsaugerbeutel 1 ist als Flachbeutel ausgebildet und umfasst eine obere Lage und eine untere Lage 3 aus Filtermaterial, insbesondere einem ein-oder mehrlagigen Vliesstoff. Die obere Lage 2 und die untere Lage 3 sind randseitig umlaufend miteinander verschweißt, so dass eine umlaufende Naht 4 ausgebildet ist. Es ist auch möglich, an einer oder mehreren Seiten eine Seitenfalte im Bereich der Naht 4 vorzusehen.A vacuum cleaner bag 1 is designed as a flat bag and comprises an upper layer and a lower layer 3 of filter material, in particular a single-layer or multi-layer nonwoven fabric. The upper layer 2 and the lower layer 3 are circumferentially welded together, so that a circumferential seam 4 is formed. It is also possible to provide a gusset in the region of the seam 4 on one or more sides.

In der oberen Lage 2 aus Filtermaterial ist eine Einströmöffnung 5 ausgebildet, durch die ein Luftstrom in einen Innenraum des Staubsaugerbeutels 1 eintritt, wie dies mit dem Pfeil 6 dargestellt ist.In the upper layer 2 of filter material, an inflow opening 5 is formed, through which an air stream enters an interior of the vacuum cleaner bag 1, as shown by the arrow 6.

Der eintretende Luftstrom 6 trifft auf ein Speicherelement 7 auf, das als Flächengebildet ausgebildet ist und wenigstens eine Lage aus einem Vliesstoff umfasst. Das Speicherelement kann insbesondere aus Krempelvlies, Spunbond, Netzen und/oder perforierter Folie gebildet sein. Auch andere Materialien, wie Schaumgummi, Gewebe und Gewirke können eingesetzt werden.The incoming air stream 6 impinges on a storage element 7, which is formed as a sheet and comprises at least one layer of a nonwoven fabric. The storage element may in particular be formed from carded web, spunbond, nets and / or perforated film. Other materials, such as foam, fabric and knitted fabric can be used.

Das Speicherelement 7 ist über ein streifen- oder bandförmiges Stützelement 8 aus einem anderen Vliesmaterial festgelegt. Das Stützelement 8 ist durch einen Streifen 9, beispielsweise aus Pappe, an der unteren Lage 3 aus Filtermaterial festgelegt. Durch die einseitige Festlegung des Speicherelementes 7 kann dieses im Betrieb des Staubsaugerbeutels flattern, so dass der Bereich unter dem Speicherelement 7 als Filtermaterial weiter zur Verfügung steht.The storage element 7 is fixed via a strip or band-shaped support element 8 of another nonwoven material. The support member 8 is defined by a strip 9, for example made of cardboard, on the lower layer 3 of filter material. As a result of the one-sided fixing of the storage element 7, this can flutter during operation of the vacuum cleaner bag, so that the area below the storage element 7 is still available as filter material.

Die untere Lage 3 aus Filtermaterial weist zudem eine andere Wölbung als das Speicherelement 7 aus, das steifer ausgebildet ist und den eintretenden Luftstrom 6 umlenkt in eine Hauptströmungsrichtung 16, wie dies der Pfeil andeutet.The lower layer 3 of filter material also has a different curvature than the storage element 7, which is made stiffer and deflects the incoming air stream 6 in a main flow direction 16, as indicated by the arrow.

Unter dem Speicherelement 7 kann eine Zwischenlage vorgesehen sein, die an dem Speicherelement 7 fixiert ist. Insbesondere kann eine perforierte Folie eingesetzt werden, die verhindert, dass das Speicherelement 7 an der unteren Lage 3 aus Filtermaterial anhaftet.Under the storage element 7, an intermediate layer may be provided, which is fixed to the storage element 7. In particular, a perforated foil can be used which prevents the storage element 7 from adhering to the lower layer 3 of filter material.

In Figur 2 ist eine modifizierte Ausgestaltung eines Staubsaugerbeutels 1' gezeigt, der ebenfalls als Flachbeutel ausgebildet ist und eine obere Lage 2 und eine untere Lage 3 aufweist, die randseitig über eine Schweißnaht 4 miteinander verbunden sind. In der oberen Lage 2 ist eine Einströmöffnung 5 ausgebildet, durch die ein eintretender Luftstrom 6 eintritt. Im Innenraum des Staubsaugerbeutels 1' ist ein Speicherelement 7' aus einem Flächengebilde angeordnet, das über zwei voneinander beabstandete Stützelemente 8' und 9' bewegbar gelagert ist.In FIG. 2 is a modified embodiment of a vacuum cleaner bag 1 'is shown, which is also designed as a flat bag and an upper layer 2 and a lower layer 3, which are connected to each other at the edge via a weld 4. In the upper layer 2, an inflow opening 5 is formed through which an incoming air stream 6 enters. In the interior of the vacuum cleaner bag 1 ', a storage element 7' is arranged from a sheet, which is mounted movably via two spaced-apart support elements 8 'and 9'.

Die Stützelemente 8' und 9' sind jeweils als Streifen ausgebildet, insbesondere aus einem elastischen Material, wie Kunststofffolie, Gummi oder einem anderem Material. Jedes streifenförmige Stützelement 8' und 9' ist an gegenüberliegenden Seiten an dem Staubsaugerbeutel 1' festgelegt. Das Stützelement 8' weist ein Ende 18 auf, das an der linken Seitennaht 4 in Figur 2 fixiert ist und an einem gegenüberliegenden Ende 28 an der rechten Seitennaht 4 fixiert ist, wie dies auch aus der vergrößerten Detaildarstellung der Figur 3 ersichtlich ist. Gleichermaßen ist das zweite streifenförmige Stützelement 9' an einem Ende 19 an der Seitennaht 4 fixiert und am gegenüberliegenden Ende ebenfalls. Dadurch kann das Speicherelement 7' sich zwar im Innenraum des Staubsaugerbeutels bewegen, nicht jedoch die Position so weit verändern, dass der eintretende Luftstrom durch die Einströmöffnung 5 nicht mehr auf das Speicherelement 7' auftrifft.The support elements 8 'and 9' are each formed as strips, in particular made of an elastic material, such as plastic film, rubber or other Material. Each strip-shaped support element 8 'and 9' is fixed on opposite sides to the vacuum cleaner bag 1 '. The support member 8 'has an end 18 which on the left side seam 4 in FIG. 2 is fixed and fixed at an opposite end 28 on the right side seam 4, as well as from the enlarged detail of the FIG. 3 is apparent. Likewise, the second strip-shaped support element 9 'is fixed at one end 19 to the side seam 4 and also at the opposite end. As a result, the storage element 7 'can indeed move in the interior of the vacuum cleaner bag, but not change the position so far that the incoming air flow no longer impinges on the storage element 7' through the inflow opening 5.

Wie in Figur 3 gezeigt ist, befindet sich unterhalb des Speicherelementes 7' auf einer Auflagefläche eine Zwischenlage 10 aus einem reibungsmindernden Material, insbesondere aus einer perforierten Folie. Durch die Flatterbewegungen des Speicherelementes 7' könnte es sonst passieren, dass das Filtermaterial 3 oder das Speicherelement 7' beschädigt werden oder das Speicherelement 7' auf dem Filtermaterial anhaftet. Durch die Luftdurchlässigkeit der Zwischenlage 10 ist gewährleistet, dass das Filtermaterial 3 auch in diesem Bereich für die Filterung genutzt werden kann.As in FIG. 3 is shown, located below the storage element 7 'on a support surface, an intermediate layer 10 made of a friction-reducing material, in particular of a perforated film. Otherwise, it could happen that the filter material 3 or the storage element 7 'is damaged or the storage element 7' adheres to the filter material due to the flutter movements of the storage element 7 '. The air permeability of the intermediate layer 10 ensures that the filter material 3 can also be used in this area for filtering.

Claims (12)

Staubsaugerbeutel (1) aus einem luftdurchlässigen Filtermaterial (2, 3), insbesondere einem Vliesstoff, mit einer Einströmöffnung (5) und einem gegenüber der Einströmöffnung (5) angeordneten luftdurchlässigen Speicherelement (7, 7') auf das der eintretende Luftstrom auftrifft, dadurch gekennzeichnet, dass das Speicherelement (7, 7') über ein Stützelement (8, 9; 8', 9') bewegbar gelagert ist und das Stützelement (8, 9; 8', 9') aus einem anderem Material besteht als das Speicherelement (7, 7').Vacuum cleaner bag (1) made of an air-permeable filter material (2, 3), in particular a nonwoven fabric, having an inflow opening (5) and an air-permeable storage element (7, 7 ') arranged opposite to the inflow opening (5), onto which the incoming air stream impinges, characterized in that the storage element (7, 7 ') is movably mounted via a support element (8, 9; 8', 9 ') and the support element (8, 9; 8', 9 ') is made of a different material than the storage element (8). 7, 7 '). Staubsaugerbeutel nach Anspruch 1, dadurch gekennzeichnet, dass das Stützelement (8, 9; 8', 9') an dem Filtermaterial (2, 3) des Staubsaugerbeutels (1) festgelegt ist und das Speicherelement (7, 7') im Inneren des Staubsaugerbeutels (1) hält.Vacuum cleaner bag according to claim 1, characterized in that the support element (8, 9; 8 ', 9') is fixed to the filter material (2, 3) of the vacuum cleaner bag (1) and the storage element (7, 7 ') inside the vacuum cleaner bag (1) stops. Staubsaugerbeutel nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Stützelement (8, 9; 8', 9') das Speicherelement (7, 7') mit einer Rückstellkraft gegen den eintretenden Luftstrom drückt.Vacuum cleaner bag according to claim 1 or 2, characterized in that the support element (8, 9, 8 ', 9') presses the storage element (7, 7 ') against the incoming air flow with a restoring force. Staubsaugerbeutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Speicherelement (7, 7') im Betrieb des Staubsaugerbeutels flatternd gehalten ist.Vacuum cleaner bag according to one of the preceding claims, characterized in that the storage element (7, 7 ') is kept fluttering during operation of the vacuum cleaner bag. Staubsaugerbeutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Speicherelement (7, 7') aus einem Flächengebilde, vorzugsweise einem Vliesstoff, gebildet ist.Vacuum cleaner bag according to one of the preceding claims, characterized in that the storage element (7, 7 ') of a sheet, preferably a nonwoven fabric is formed. Staubsaugerbeutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwischen dem Speicherelement (7, 7') und einer Auflagefläche an dem Filtermaterial (2, 3) für das Speicherelement (7, 7') mindestens eine Zwischenlage (10) angeordnet ist.Vacuum cleaner bag according to one of the preceding claims, characterized in that between the storage element (7, 7 ') and a bearing surface on the filter material (2, 3) for the storage element (7, 7') at least one intermediate layer (10) is arranged. Staubsaugerbeutel nach Anspruch 6, dadurch gekennzeichnet, dass die Zwischenlage (10) aus einem glatten, reibungsmindernden Material, insbesondere einer Folie, hergestellt ist.Vacuum cleaner bag according to claim 6, characterized in that the intermediate layer (10) is made of a smooth, friction-reducing material, in particular a film. Staubsaugerbeutel nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Zwischenlage (10) luftdurchlässig ausgebildet ist.Vacuum cleaner bag according to claim 6 or 7, characterized in that the intermediate layer (10) is formed permeable to air. Staubsaugerbeutel nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass die mindestens eine Zwischenlage (10) auf das Filtermaterial (2, 3) und/oder das Speicherelement (7') fixiert ist.Vacuum cleaner bag according to one of claims 6 to 8, characterized in that the at least one intermediate layer (10) on the filter material (2, 3) and / or the storage element (7 ') is fixed. Staubsaugerbeutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass über das Speicherelement (7, 7') die einströmende Luft in eine Hauptströmungsrichtung abgelenkt wird.Vacuum cleaner bag according to one of the preceding claims, characterized in that via the storage element (7, 7 '), the incoming air is deflected in a main flow direction. Staubsaugerbeutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Stützelement (8, 9; 8', 9') elastisch ausgebildet ist.Vacuum cleaner bag according to one of the preceding claims, characterized in that the support element (8, 9, 8 ', 9') is designed to be elastic. Staubsaugerbeutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Stützelement (8, 9; 8', 9') eine Sollbruchstelle aufweist.Vacuum cleaner bag according to one of the preceding claims, characterized in that the support element (8, 9; 8 ', 9') has a predetermined breaking point.
EP20120159465 2011-04-15 2012-03-14 Bag for a vacuum cleaner Not-in-force EP2510858B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202011000900U DE202011000900U1 (en) 2011-04-15 2011-04-15 Dust bags

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EP2510858A1 true EP2510858A1 (en) 2012-10-17
EP2510858B1 EP2510858B1 (en) 2014-08-13

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EP20120159465 Not-in-force EP2510858B1 (en) 2011-04-15 2012-03-14 Bag for a vacuum cleaner

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DE (1) DE202011000900U1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE529649A (en) * 1953-06-16 1957-07-05 Tornado Sa Container shutter that opens automatically in the direction of filling
US3479802A (en) * 1965-02-23 1969-11-25 Studley Paper Co Multi-compartment vacuum cleaner filter bag
DE202005009452U1 (en) 2005-06-15 2005-08-25 Melitta Haushaltsprodukte Gmbh & Co. Kg Vacuum cleaner bag assembly, with an inflow opening and a filter bag, contains a nonwoven cushion with fibers and a drying agent and a biocide and an adsorbent to prevent the escape of odors and bacterial growth
DE202006016303U1 (en) * 2006-10-23 2006-12-21 Wolf Gmbh & Co. Kg Filter bag for vacuum cleaner, has sac formed from air permeable filter material, and inlet opening formed at sac for air to be filtered, where inner cavity of sac is divided into two chambers
DE202006019108U1 (en) * 2006-12-19 2007-02-22 Branofilter Gmbh Method for manufacturing a vacuum cleaner dust bag with additional protection from damage has a front and back wall welded around the rectangular edges and barrier panels on the walls opposite the air inlet opening
DE202008007717U1 (en) * 2008-06-10 2008-08-07 Wolf Pvg Gmbh & Co. Kg filter bag

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE529649A (en) * 1953-06-16 1957-07-05 Tornado Sa Container shutter that opens automatically in the direction of filling
US3479802A (en) * 1965-02-23 1969-11-25 Studley Paper Co Multi-compartment vacuum cleaner filter bag
DE202005009452U1 (en) 2005-06-15 2005-08-25 Melitta Haushaltsprodukte Gmbh & Co. Kg Vacuum cleaner bag assembly, with an inflow opening and a filter bag, contains a nonwoven cushion with fibers and a drying agent and a biocide and an adsorbent to prevent the escape of odors and bacterial growth
DE202006016303U1 (en) * 2006-10-23 2006-12-21 Wolf Gmbh & Co. Kg Filter bag for vacuum cleaner, has sac formed from air permeable filter material, and inlet opening formed at sac for air to be filtered, where inner cavity of sac is divided into two chambers
DE202006019108U1 (en) * 2006-12-19 2007-02-22 Branofilter Gmbh Method for manufacturing a vacuum cleaner dust bag with additional protection from damage has a front and back wall welded around the rectangular edges and barrier panels on the walls opposite the air inlet opening
DE202008007717U1 (en) * 2008-06-10 2008-08-07 Wolf Pvg Gmbh & Co. Kg filter bag

Also Published As

Publication number Publication date
DE202011000900U1 (en) 2011-08-05
EP2510858B1 (en) 2014-08-13

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