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EP2098151B1 - Sac d'aspirateur - Google Patents

Sac d'aspirateur Download PDF

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Publication number
EP2098151B1
EP2098151B1 EP08004271.6A EP08004271A EP2098151B1 EP 2098151 B1 EP2098151 B1 EP 2098151B1 EP 08004271 A EP08004271 A EP 08004271A EP 2098151 B1 EP2098151 B1 EP 2098151B1
Authority
EP
European Patent Office
Prior art keywords
strip
piece
vacuum cleaner
bag
cleaner filter
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.)
Active
Application number
EP08004271.6A
Other languages
German (de)
English (en)
Other versions
EP2098151A1 (fr
Inventor
Jan Schultink
Ralf Sauer
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.)
Eurofilters Holding NV
Original Assignee
Eurofilters Holding NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39564543&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2098151(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eurofilters Holding NV filed Critical Eurofilters Holding NV
Priority to ES08004271.6T priority Critical patent/ES2440722T3/es
Priority to EP08004271.6A priority patent/EP2098151B1/fr
Priority to AT08007225T priority patent/ATE498348T1/de
Priority to EP08007225A priority patent/EP2098152B1/fr
Priority to DE202008005050U priority patent/DE202008005050U1/de
Priority to DE502008002608T priority patent/DE502008002608D1/de
Priority to ES08007225T priority patent/ES2358553T3/es
Priority to ES08012059.5T priority patent/ES2529052T3/es
Priority to EP08012059.5A priority patent/EP2098153B1/fr
Priority to CN200980108144.6A priority patent/CN101965149B/zh
Priority to AU2009221232A priority patent/AU2009221232B2/en
Priority to US12/919,611 priority patent/US8372174B2/en
Priority to PCT/EP2009/001503 priority patent/WO2009109361A1/fr
Publication of EP2098151A1 publication Critical patent/EP2098151A1/fr
Priority to NO20101238A priority patent/NO340916B1/no
Publication of EP2098151B1 publication Critical patent/EP2098151B1/fr
Application granted granted Critical
Active legal-status Critical Current
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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
    • 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
    • A47L9/102—Dust separators

Definitions

  • the invention relates to a vacuum cleaner filter bag.
  • EP 0 960 645 a multilayer bag wall construction in which a coarse filter layer is arranged in front of a fine filter layer in the direction of air flow.
  • the DE 20 2006 019 108 U1 relates to a vacuum cleaner filter bag for vacuum cleaner with a front bag wall containing an inlet opening through which a sucked air stream enters the vacuum cleaner filter bag during operation, and with a rear bag wall opposite the front bag wall, wherein the two bag walls are made of flexible filter material, wherein the inlet opening a Stauwand demo is arranged.
  • the filter bag has a reinforcing insert 18 on the wall of the bag opposite the inlet opening.
  • a vacuum cleaner filter bag which has in its interior a deflection device arranged in the region of the inlet opening for deflecting the air flow entering through the inlet opening. Furthermore, an air-permeable material layer is provided in the interior of the filter bag, which is unconnected to at least a part of the edge with the filter bag.
  • the object of the present invention is to further improve the filter bags known from the prior art, so that a high service life is possible with high suction power. This object is achieved by a vacuum cleaner filter bag according to claim 1.
  • the deflection strip ensures that an incoming air flow does not strike the strip of material directly.
  • the piece of material may in particular be designed such that an air flow is thereby guided on the side of the material strip facing away from the inlet opening.
  • the piece of material carries an air flow on the side of the material strip facing away from the inlet opening (ie behind the strip) in the direction of the material strip.
  • the strip of material is lifted in a simple manner by the air flow and spaced from the bag wall. He can move very well in the air flow, which has an advantageous distribution of the dust in the bag inside result.
  • the piece of material may in principle be at least partially connected to the strip of material; but it can not be connected to the strip of material.
  • the deflection strip can be designed to split the air flow into at least two partial flows. By such a division into two or more part streams a more uniform distribution of the filter cake in the vacuum cleaner filter bag is achieved. In addition, the number of particles per partial flow is reduced in comparison with the incoming air flow, which reduces the burden of the bag walls by the individual partial flows.
  • the deflection strip can be designed to split the air flow into at least two partial flows with different, in particular opposite, flow directions.
  • air enters the flow direction (inlet flow direction) through the inlet port and strikes the deflection strip.
  • the air flow is deflected, so that a change in the flow direction through the deflection strip with respect to the flow direction at the inlet opening, occurs.
  • the flow direction of the air flow or air flow direction is meant the main flow direction of the air, which is generally parallel to one wall, for example a vacuum cleaner tube or nozzle runs.
  • such a main flow direction results at every point through the vacuum cleaner tube into the bag, even if turbulence may possibly occur at individual points.
  • Opposing directions of flow means that both directions of flow have a component in the plane perpendicular to the flow direction with which an air flow strikes the deflection strip, i. that is, a component perpendicular to the inlet flow direction, wherein the two components enclose an angle of about 180 °, and wherein the components in this plane are each larger than the corresponding component parallel to the inlet flow direction.
  • the material strip can be arranged in particular on the inside of the vacuum cleaner filter bag on the side of the deflection strip facing away from the inlet opening. Seen from the inlet opening then the strip of material behind the deflection strip and the piece of material behind the strip of material. In particular, the material strip and / or the piece of material may lie opposite the inlet opening.
  • the bag wall may comprise two wall pieces of filter material, wherein the inlet opening is provided in a first wall piece.
  • the deflection strip may be connected to the first wall piece and / or to the second wall piece.
  • the material strip and / or the piece of material may in particular be connected to the second wall piece.
  • the second wall piece may face the inlet opening.
  • the two wall pieces may be separate pieces of filter material, which are interconnected.
  • the two wall pieces may be part of a continuous piece of filter material, the two wall pieces being defined by the gussets on the two sides of the block bottom bag.
  • the vacuum cleaner filter bag may further comprise a holding plate for holding the vacuum cleaner filter bag in a vacuum cleaner housing.
  • the deflection strip may be connected to the retaining plate.
  • the deflection strip, the material strip and / or the piece of material may have a smaller area than that of the bag wall. This allows a deflection of the air flow and a movement of the two strips in an advantageous manner.
  • the deflection strip, the material strip and / or the piece of material may have a smaller area than one of the wall pieces.
  • the material strip and / or the piece of material may extend over the entire length of the bag wall, in particular of the second wall piece.
  • the width of the material strip and / or of the piece of material can also be smaller than the width of the bag wall, in particular of the second wall piece.
  • the width may in particular be at most two thirds, preferably at most half the width of the bag wall, in particular of the second wall piece.
  • the material of the piece of material may have a lower air permeability than the material of the bag wall and / or the material strip.
  • an air flow from the rear ie on the side facing away from the inlet opening
  • the material of the piece of material may have an air permeability of less than 2000 l / (m 2 s), in particular less 1000 l / (m 2 s), in particular less than 500 l / (m 2 s).
  • the piece of material may be disposed inside the vacuum cleaner filter bag or outside the vacuum cleaner filter bag or may be formed as part of the bag wall. In particular, both in an arrangement inside and outside the piece of material may be connected to the bag wall. In an arrangement inside or outside the piece of material is thus formed as separate or separate from the bag wall element.
  • the piece of material may be arranged in the interior of the vacuum cleaner filter bag and connected to the bag wall, wherein the piece of material is arranged such that the strip of material is kept with its side facing away from the inlet opening at least partially spaced from the bag wall.
  • the spacing allows a simple way of guiding the air flow under the strip of material.
  • the piece of material may be formed such that the strip of material is kept at least partially spaced apart by at least 0.1 mm, preferably at least 1.5 mm, more preferably at least 4 mm, from the bag wall, in particular the second wall piece.
  • the piece of material can therefore in particular have a thickness of at least 0.1 mm, preferably at least 1.5 mm, more preferably at least 4 mm. The spacing and thus the thickness can reach up to several centimeters.
  • the material strip and / or the piece of material may be formed in particular rectangular.
  • the material strip and / or the piece of material can be aligned parallel to the side edges of the bag wall, in particular of the second wall piece.
  • the two longitudinal sides of the material strip and / or of the piece of material may be spaced from the corresponding (parallel) side edges of the bag wall or the second wall piece, for example centrally with respect to the width of the second wall piece.
  • the piece of material may be in the form of a strip.
  • the material strip and the piece of material can be arranged one above the other or one above the other; In this case, the piece of material is arranged inside the vacuum cleaner filter bag.
  • the two strips lie flat against one another in this way.
  • the strip-shaped piece of material can also be fastened outside on the bag wall. This also makes it possible to achieve an air deflection from behind on the strip of material, since the air permeability is reduced overall in this area of the bag wall.
  • the piece of material and the strip of material may have the same width and / or length. Alternatively, they may have a different width and / or length. In particular, the strip of material may have a greater length and / or width than the piece of material.
  • the deflection strip, the material strip and / or the piece of material can be rectangular; they can, in particular if they are formed as strips, in each case along two opposite edges, in particular along the short edges, be connected to the bag wall.
  • the deflection strip, the material strip and / or the piece of material can be connected to the bag wall only at these locations, that is, at two edges or edges.
  • the bag wall may have a seam and the strip of material and / or the piece of material at the seam may be connected to the bag wall (in particular if the piece of material is formed as a separate element from the bag wall).
  • a first wall piece and a second wall piece can be connected to one another via a seam and the material strip and / or the piece of material at the seam can be connected to the second wall piece.
  • the seam can be formed by a connecting seam, for example by a welded or adhesive seam.
  • the deflection strip may have a shorter length than the length of the bag wall or the first wall piece. Alternatively, however, the deflection strip may extend over the entire length of the bag wall or the first wall piece.
  • the piece of material may have a smaller area than the strip of material. In particular, the piece of material may have a smaller width and / or a shorter length than the strip of material. Alternatively, however, the piece of material can also protrude over the strip of material in one or both dimensions, in particular be made larger in one or both dimensions.
  • the deflection strip, the material strip and / or the piece of material may have a width that is greater than the diameter of the inlet opening.
  • the width of the deflection strip may be less than the width of the material strip and / or the piece of material.
  • the deflection strip, the material strip and / or the piece of material may be slotted, in particular have a plurality of slots.
  • each sub-strips are formed, which are optionally relatively independently movable.
  • the slitting of the piece of material is particularly advantageous for separate pieces of material.
  • four to ten slots can be provided.
  • the slots can be the same distance.
  • partial strips can be formed through the slits whose width is 0.3 cm to 3.5 cm, in particular 0.5 cm to 1.5 cm.
  • the slots may be spaced apart from each other by said dimensions.
  • the slots may each be formed parallel to a side edge of the deflection strip, the material strip or the spacer element.
  • the slots may be formed parallel to a respective longitudinal edge.
  • One or more slots may each extend substantially the entire length of the deflection strip, the strip of material or the piece of material and / or the entire length between two connection points. In particular, all slots can extend over the entire length. Thus, the sub-strips would extend over the entire length of the deflection strip or the respective strip.
  • the connection points are the locations at which the deflection strip, the material strip and / or the piece of material are connected to the bag wall, that is, for example, the connection seams at the short edges.
  • connection of the deflection strip, the material strip and / or the piece of material with the bag wall and / or a holding plate can be effected in particular by gluing or welding.
  • the deflection strip, the material strip and / or the piece of material can be glued or welded pointwise or linearly with the bag wall or the holding plate.
  • the strips may be formed rectangular and connected at their short edges pointwise or line with the bag wall.
  • the piece of material can also be glued or welded to the entire surface of the bag wall.
  • the deflecting strip may comprise or consist of an air-permeable or an air-impermeable material.
  • the baffle may comprise a nonwoven fabric, particularly an extrusion nonwoven such as a spunbond nonwoven or a spunbond fabric, a nonwoven web, a wet laid web and / or a dry laid web, a paper, a paperboard , a net, a woven fabric and / or a foil, for example perforated.
  • the deflection strip may comprise or consist of a laminate of a plurality of said layers.
  • the basis weight of the deflection strip can range from 10 g / m 2 to 300 g / m 2 , in particular from 50 to 200 g / m 2 .
  • the strip of material and / or the piece of material may comprise a nonwoven, in particular an extrusion nonwoven, such as a spunbond nonwoven or a spunbond nonwoven, a wet laid nonwoven and / or a dry laid web, a paper, a net, a web and / or a (perforated) film.
  • the deflection strip and / or the piece of material may comprise or consist of a laminate of a plurality of said layers.
  • the strip of material and / or the piece of material may comprise a composite of two filament spunbonded fabric layers, between which a drained nonwoven fabric of staple fibers is arranged.
  • the structure can, for example, as in the DE 10 2005 059 214 be described.
  • the piece of material may in particular also comprise a cardboard.
  • the basis weight of the material strip and / or the piece of material may range from 20 g / m 2 to 300 g / m 2 , in particular from 80 to 200 g / m 2 .
  • the air permeability of the material strip can range from 100 to 10,000 l / (m 2 s), in particular from 500 to 3000 l / (m 2 s).
  • the piece of material can also be formed by a treatment, in particular by solidification, of the bag wall.
  • the piece of material is then not designed as a separate element.
  • a region of the entire bag wall or a region of one or more layers of the bag wall can be solidified.
  • the solidification can be achieved for example by a full-scale thermal calendering. This reduces the air permeability in this area compared to the surrounding area.
  • the vacuum cleaner filter bags described above may be disposable bags. In particular, they can be designed as flat bags. In particular, these may consist of two rectangular wall pieces, which are interconnected along their edges, for example, welded or glued, are. On each of two opposite sides of the vacuum cleaner filter bag, one side fold can be introduced in each case. On the first wall piece may be arranged at the inlet opening, a holding plate for holding the vacuum cleaner filter bag in a vacuum cleaner housing.
  • Fig. 1 schematically a cross-sectional view of a vacuum cleaner filter bag 1 is shown.
  • the vacuum cleaner filter bag is constructed in the form of a flat bag. It consists of a first rectangular wall piece 2 and a second rectangular wall piece 3, which are each constructed of one or more layers of filter material.
  • each wall piece may consist of a multilayer composite comprising one or more nonwoven fabric layers and / or one or more nonwovens. Thus, between two extrusion nonwoven layers, z.
  • a nonwoven layer of staple fibers which is solidified by means of calendering between the nonwoven fabric layers.
  • nonwoven is used as defined in ISO standard I-SO 9092: 1988 and CEN standard EN 29092, respectively.
  • a nonwoven fabric may be dry laid or wet laid or an extrusion nonwoven fabric, for example a spunbond nonwoven fabric (meltblown nonwoven fabric), the nomenclature being according to Albrecht et al., Nonwovens, Wiley-VCH, 2000, see, for example, p. 186 ) or spunbond nonwoven (spunbond nonwoven).
  • spunbond nonwoven fabric meltblown nonwoven fabric
  • spunbond nonwoven spunbond nonwoven
  • wet laid nonwovens and conventional wet laid paper is as defined above, as used by the International Association Serving The Nonwoven and Related Industries EDANA (www.edana.org).
  • nonwoven fabric When referring to paper or filter paper, it is meant (conventional) wet laid paper which is excluded in the above definition of nonwoven fabric.
  • a web By a web (“Web”) is meant a layer of still loose, ie unconnected, fibers. By solidifying the loose fibers, a nonwoven fabric can be obtained.
  • the basis weight was determined according to DIN EN ISO 9073-1.
  • the thickness of the materials was determined according to DIN EN ISO 9073-2 (method A).
  • the air permeability was determined according to EN ISO 9237 with an area of 20 cm 2 and a differential pressure of 200 Pa.
  • the two wall pieces may for example have a structure as described in European Patent Application no. 07 013 312.9 is described. This advantageously makes it possible to provide a disposable bag.
  • the two rectangular wall pieces are stacked and joined together along its edge, so that a seam 4 is formed by the peripheral seam. It may be, for example, an adhesive or weld.
  • the first wall piece 2 has an inlet opening 5, through which an air stream enters the vacuum cleaner filter bag during operation of the vacuum cleaner filter bag.
  • a holding plate 6 is fastened in the region of the inlet opening and serves to hold the vacuum cleaner filter bag inside a vacuum cleaner.
  • Such a holding plate can be glued or welded, for example, with the filter material of the wall piece.
  • a deflection strip 7 is arranged on the first wall piece 2.
  • the strip in the example shown is rectangular and connected along the two short edges (perpendicular to the plane of the drawing) with the filter material of the first wall piece, for example glued or welded. With the exception of the two connecting seams along the short edges, the deflecting strip 7 is loose, i. H. not connected to the bag wall. In particular, no seam is provided along the long edges.
  • the deflection strip can also be connected to the holding plate and / or the second wall piece (at least along one edge).
  • the deflection strip 7 is arranged in the region of the inlet opening 5, ie does not extend over the entire length of the first wall piece 2. It may have a length of 20 cm and a width of 7 cm.
  • the arrangement of the deflector strip with respect to the inlet opening may be asymmetrical (as in the example shown) or symmetrical.
  • the dimensions of the deflection strip 7 may be selected such that the inlet opening 5 is covered.
  • the deflection strip 7 may consist of an air-impermeable or air-permeable material. It can be single or multi-layered.
  • the deflecting strip 7 may consist of a filament spunbonded nonwoven layer joined to an (air impermeable) film.
  • the deflection strip can have a basis weight of 150 g / m 2 .
  • a material strip 8 and a strip-shaped piece of material 9 are furthermore arranged, which are both connected to the second wall piece 3 are.
  • the strip of material 8 and the piece of material 9 are arranged on the inlet opening 5 opposite side of the vacuum cleaner filter bag.
  • the piece of material can for example also be folded or pleated.
  • the piece of material does not have to be strip-shaped. It may, for example, also be a piece of cardboard that has a fold structure such that a spacing of the material strip is achieved by a desired amount.
  • the piece of material can also be fastened in the same way on the outside of the bag wall. According to a further alternative, the piece of material can also be obtained by solidification of a region of the bag wall.
  • the strip of material extends over the entire length of the second wall piece 3; the piece of material is shorter.
  • the strip of material may have a length of 26 cm, which corresponds to the length of the wall piece, and a width of 11 cm.
  • the piece of material may have a length of 22 cm and a width of 8 cm.
  • connection of the material strip with the second wall piece is realized in that the material strip extend into the seam 4 and are connected via the connection of the seam (for example a welded or glued seam) to the second wall piece and also to the first wall piece ,
  • the strip-shaped piece of material is glued or welded to the second wall piece.
  • the piece of material can be glued or welded either point or line shape from the full surface with the bag wall.
  • the two strips can, but need not, be the same. They may differ in particular in the dimensions, materials, air permeabilities and / or basis weights. Preferably, however, both strips have a width that is greater than the diameter of the inlet opening 5.
  • the material strip and the piece of material can have two cover nonwovens in the form of a filament spunbonded nonwoven fabric, between which a web of loose fibers (in particular crimping pases) is arranged, which is connected to the filamentary spun-bonded layers by means of calendering.
  • the basis weight of the strip of material and the piece of material may in the example be between 100 and 200 g / m 2 ;
  • the thickness of both strips can be 3 - 4 mm.
  • the air permeability of the piece of material is preferably less than 2000 l / (m 2 s).
  • the piece of material may also be formed in the form of a film, which may be impermeable to air or perforated, for example. Such a film may have a thickness of, for example, 0.1 mm.
  • airflow enters the vacuum cleaner filter bag through inlet port 5 and is deflected by deflector strip 7.
  • deflector strip 7 Depending on the design and arrangement of the deflection strip, the incoming air flow is divided in particular into two partial flows with different flow directions.
  • the air can in particular flow under and between the two strips and set them in motion, so that the sucked-in dust can be distributed evenly inside the vacuum cleaner filter bag.
  • the piece of material can be arranged symmetrically with respect to the inlet opening and / or the bag wall, in particular of the second wall piece (ie with the same spacing in the width and / or the length from the edge of the bag).
  • the arrangement may also be asymmetrical with respect to the inlet opening and / or the bag wall, in particular the second wall piece.
  • Fig. 2 schematically a plan view (from the interior of the vacuum cleaner filter bag) to an example of a first wall piece 2 is shown.
  • the inlet opening 5 is drawn in dashed lines.
  • a deflection strip 7 is connected to the first wall piece 2.
  • this connection can take place via welded or adhesive seams along the short edges of the deflection strip. Otherwise, the deflection strip is unconnected, ie loose.
  • the deflection strip 7 has a rectangular shape and is arranged parallel to but spaced from the edges of the first wall piece.
  • the deflection strip can be a continuous strip.
  • slots 10 may be provided in the deflection strip.
  • the deflection strip then consists of several partial strips, in the example shown, consisting of five partial strips.
  • the slots extend over the entire length of the deflection strip, or over the entire length between the two connecting seams at the short edges. Alternatively, however, a part of the slots or all slots may be formed shorter than the length of the deflection strip. In the example shown, the slots are arranged parallel to the longitudinal side of the deflection strip. Again, other orientations of the slots are alternatively possible.
  • the slots allow different portions of the deflection strip to be relatively independently movable. Furthermore, air can flow through the slots relatively unhindered, so that the expression of the two partial flows is somewhat reduced.
  • Fig. 3 is a plan view of the inside of a second wall piece 3 shown schematically. This page is in the prefabricated vacuum cleaner filter bag in Fig. 2 shown side and thus the inlet opening opposite.
  • a strip of material 8 is connected, which is arranged over a strip-shaped piece of material, the latter can not be seen in this plan view.
  • the material strip 8 extends over the entire length of the second wall piece 3, but it has a smaller width; In particular he may be related to FIG. 1 have mentioned dimensions. Alternatively, however, the material strip may also have a shorter length than the length of the second wall piece.
  • the strip of material 8 is connected via the peripheral seam of the vacuum cleaner filter bag with the second wall piece.
  • the material strip 8 can consist of a continuous piece of material.
  • the strip 8 may have slots 11 formed by the partial strips, in the example shown four partial strips. In the example shown, the slots extend the full length of the strip. Alternatively, however, the slots may be shorter or have a different orientation.
  • the partial strips may have, for example, a width of 12.5 mm.
  • the strip-shaped piece of material has in the example a smaller length and width than the strip of material and is thus covered by this.
  • the strip-shaped piece of material can also be slotted.
  • the material strip and the strip-shaped material piece each have slots of the same type (orientation, length, width, etc.).
  • one of the two strips may have slots over the entire length and the other strip may only have shorter slots or none at all.
  • FIG. 4 Comparative measurements for different vacuum cleaner filter bag configurations are shown. A dust load test with DMT dust (Type 8) according to EN 60312 (Draft 4th edition) was carried out.
  • the vacuum cleaner used is a Miele S 712 SAC.
  • the standard engine protection filter and the standard exhaust filter were used.
  • the basis for the investigations are the vacuum cleaner filter bags F / J / N series (batch 56 12.14) available from Wolf GmbH & Co. KG.
  • the dimensions of this flat bag are 290 x 260 mm.
  • a material strip (“SR 2") is provided, which has a size of 260 x 110 mm and is thus attached to both short edges on the hem.
  • This strip of material has 9 continuous slots with a width of about 12 mm.
  • the total thickness of the strip of material is about 4 mm.
  • SR3 a piece of material
  • the piece of material has the dimensions 220 x 80 mm and is made of the same material as the material strip.
  • the piece of material is symmetrical with respect to the inlet opening and the second wall piece arranged.
  • the piece of material has 6 continuous strips with a width of about 12.5 mm.
  • 290 x 260 - SR 1 + SR 2/12 + SR3 / 12.5 SB again refers to the same vacuum cleaner bag with the aforementioned deflection strips and strips of material.
  • the piece of material in the form of a filament spunbonded fabric is provided, which is about 0.2 mm thick.
  • the piece of material is in the form of a (unslotted) strip 2cm wide and the same length as the strip of material.
  • the piece of material again has the same material as the strip of material (see above).
  • 290 x 260 - SR 1 + SR 2/12 + Support film refers to a bag as in the previous examples, where the piece of material is a form of a 40 x 80 mm PP film, which is transverse to the strip of material in the middle the second wall piece is arranged; the longitudinal dimension of the strip of material is thus perpendicular to the longitudinal dimension of the piece of material.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (22)

  1. Sac aspirateur (1) comportant
    une paroi de sac en matériau filtrant, une ouverture d'admission (5) étant prévue dans la paroi du sac,
    une bande déflectrice (7) pour la déflexion d'un écoulement d'air entrant par l'ouverture d'admission, la bande déflectrice étant disposé à l'intérieur du sac aspirateur (1),
    une bande de matériau (8) est disposée à l'intérieur du sac aspirateur (1) et reliée à la paroi du sac, au moins une partie du bord de la bande de matériau n'étant pas reliée à la paroi du sac, et
    une pièce de matériau (9), étant prévue sur le côté de la bande de matériau (8) opposé à l'ouverture d'admission.
  2. Sac aspirateur (1) selon la revendication 1, le matériau de la pièce de matériau (9) présentant une perméabilité à l'air inférieure à celle du matériau de la paroi du sac et/ou de la bande de matériau (8).
  3. Sac aspirateur (1) selon la revendication 1 ou 2, le matériau de la pièce de matériau (9) présentant une perméabilité à l'air inférieure à 2000 1/(m2 s), en particulier inférieure à 1000 1/(m2 s), en particulier inférieure à 500 1/(m2 s).
  4. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la pièce de matériau (9) étant disposé à l'intérieur du sac aspirateur (1) ou à l'extérieur du sac aspirateur (1) ou étant conçue comme une partie de la paroi du sac.
  5. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la pièce de matériau (9) étant reliée à la paroi du sac.
  6. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la pièce de matériau (9) étant disposée à l'intérieur du sac aspirateur (1) et étant reliée avec la paroi du sac, la pièce de matériau (9) étant disposée de sorte que la bande de matériau (8) est maintenue au moins partiellement, avec son côté opposé à l'ouverture d'admission (5), à une certaine distance de la paroi du sac.
  7. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la pièce de matériau (9) étant conçue sous la forme d'une bande.
  8. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la bande de matériau (8) et/ou la pièce de matériau (9) s'étendant sur toute la longueur de la paroi du sac.
  9. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la bande de matériau (8) et la pièce de matériau (9) étant disposées l'une sur l'autre.
  10. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la bande déflectrice (7), la bande de matériau (8) et/ou la pièce de matériau (9) étant de forme rectangulaire et étant reliées, respectivement, le long de deux bords opposés, à la paroi du sac.
  11. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la paroi du sac présentant un ourlet (4) et la bande de matériau (8) et/ou la pièce de matériau (9) étant reliées à la paroi du sac au niveau de l'ourlet (4).
  12. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la bande déflectrice (7) présentant une longueur inférieure à la largeur de la paroi du sac et/ou une largeur inférieure à la largeur de la paroi du sac.
  13. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la bande déflectrice (7), la bande de matériau (8) et/ou la pièce de matériau (9) présentant une largeur supérieure au diamètre de l'ouverture d'admission (5).
  14. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la largeur de la bande déflectrice (7) étant inférieure à la largeur de la bande de matériau (8) et/ou de la pièce de matériau (9).
  15. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la bande déflectrice (7), la bande de matériau (8) et/ou la pièce de matériau (9) étant fendues (10, 11), en particulier présentant une pluralité de fentes (10, 11).
  16. Sac aspirateur (1) selon la revendication 15, les fentes (10, 11) formant des bandes partielles, dont la largeur va de 0,3 cm à 3,5 cm, en particulier de 0,5 cm à 1,5 cm.
  17. Sac aspirateur (1) selon la revendication 15 ou 16, les fentes (10, 11) étant, respectivement, parallèles à un bord latéral de la bande déflectrice (7), de la bande de matériau (8) ou de la pièce de matériau (9).
  18. Sac aspirateur (1) selon l'une quelconque des revendications 15 à 17, une ou plusieurs fentes (10, 11) s'étendant, respectivement, sensiblement sur toute la longueur de la bande déflectrice (7), de la bande de matériau (8) ou de la pièce de matériau (9) et/ou sur toute la longueur entre deux points de jonction.
  19. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la bande déflectrice (7), la bande de matériau (8) et/ou la pièce de matériau (9) étant collées ou soudées par points ou en ligne avec la paroi du sac.
  20. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la bande déflectrice (7), la bande de matériau (8) et/ou la pièce de matériau (9) comprenant un non-tissé, en particulier comprenant un non-tissé filé de fibres, un non-tissé filé de filaments, un non-tissé humide et/ou un non-tissé sec, un papier ou un film.
  21. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, la pièce de matériau (9) étant façonnée par un traitement, en particulier par une consolidation de la paroi du sac.
  22. Sac aspirateur (1) selon l'une quelconque des revendications précédentes, le sac aspirateur présentant la forme d'un sac plat.
EP08004271.6A 2008-03-07 2008-03-07 Sac d'aspirateur Active EP2098151B1 (fr)

Priority Applications (14)

Application Number Priority Date Filing Date Title
ES08004271.6T ES2440722T3 (es) 2008-03-07 2008-03-07 Bolsa de filtro de aspiradora
EP08004271.6A EP2098151B1 (fr) 2008-03-07 2008-03-07 Sac d'aspirateur
AT08007225T ATE498348T1 (de) 2008-03-07 2008-04-11 Staubsaugerfilterbeutel
EP08007225A EP2098152B1 (fr) 2008-03-07 2008-04-11 Sac d'aspirateur
DE202008005050U DE202008005050U1 (de) 2008-03-07 2008-04-11 Staubsaugerfilterbeutel
DE502008002608T DE502008002608D1 (de) 2008-03-07 2008-04-11 Staubsaugerfilterbeutel
ES08007225T ES2358553T3 (es) 2008-03-07 2008-04-11 Bolsa filtrante de aspirardor.
EP08012059.5A EP2098153B1 (fr) 2008-03-07 2008-07-03 Sac d'aspirateur
ES08012059.5T ES2529052T3 (es) 2008-03-07 2008-07-03 Bolsa de filtro de aspiradora
CN200980108144.6A CN101965149B (zh) 2008-03-07 2009-03-03 吸尘器过滤袋
AU2009221232A AU2009221232B2 (en) 2008-03-07 2009-03-03 Vacuum cleaner filter bag
US12/919,611 US8372174B2 (en) 2008-03-07 2009-03-03 Vacuum filter cleaner bag
PCT/EP2009/001503 WO2009109361A1 (fr) 2008-03-07 2009-03-03 Sac filtrant pour aspirateur
NO20101238A NO340916B1 (no) 2008-03-07 2010-09-03 Filterpose for støvsuger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08004271.6A EP2098151B1 (fr) 2008-03-07 2008-03-07 Sac d'aspirateur

Publications (2)

Publication Number Publication Date
EP2098151A1 EP2098151A1 (fr) 2009-09-09
EP2098151B1 true EP2098151B1 (fr) 2013-10-23

Family

ID=39564543

Family Applications (3)

Application Number Title Priority Date Filing Date
EP08004271.6A Active EP2098151B1 (fr) 2008-03-07 2008-03-07 Sac d'aspirateur
EP08007225A Revoked EP2098152B1 (fr) 2008-03-07 2008-04-11 Sac d'aspirateur
EP08012059.5A Active EP2098153B1 (fr) 2008-03-07 2008-07-03 Sac d'aspirateur

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP08007225A Revoked EP2098152B1 (fr) 2008-03-07 2008-04-11 Sac d'aspirateur
EP08012059.5A Active EP2098153B1 (fr) 2008-03-07 2008-07-03 Sac d'aspirateur

Country Status (9)

Country Link
US (1) US8372174B2 (fr)
EP (3) EP2098151B1 (fr)
CN (1) CN101965149B (fr)
AT (1) ATE498348T1 (fr)
AU (1) AU2009221232B2 (fr)
DE (2) DE202008005050U1 (fr)
ES (3) ES2440722T3 (fr)
NO (1) NO340916B1 (fr)
WO (1) WO2009109361A1 (fr)

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PL3219236T3 (pl) 2016-03-17 2022-01-31 Eurofilters Holding N.V. Płytka mocująca z ulepszonym zamknięciem
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Also Published As

Publication number Publication date
EP2098152A1 (fr) 2009-09-09
EP2098153A1 (fr) 2009-09-09
EP2098151A1 (fr) 2009-09-09
US8372174B2 (en) 2013-02-12
AU2009221232B2 (en) 2014-01-09
NO340916B1 (no) 2017-07-10
ES2529052T3 (es) 2015-02-16
ATE498348T1 (de) 2011-03-15
WO2009109361A1 (fr) 2009-09-11
DE202008005050U1 (de) 2008-06-26
ES2358553T3 (es) 2011-05-11
AU2009221232A1 (en) 2009-09-11
CN101965149B (zh) 2014-07-23
EP2098153B1 (fr) 2014-12-24
DE502008002608D1 (de) 2011-03-31
NO20101238L (no) 2010-10-22
US20110047945A1 (en) 2011-03-03
EP2098152B1 (fr) 2011-02-16
CN101965149A (zh) 2011-02-02
ES2440722T3 (es) 2014-01-30

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