EP2442702A1 - Sac plat pour aspirateur - Google Patents

Sac plat pour aspirateur

Info

Publication number
EP2442702A1
EP2442702A1 EP10721327A EP10721327A EP2442702A1 EP 2442702 A1 EP2442702 A1 EP 2442702A1 EP 10721327 A EP10721327 A EP 10721327A EP 10721327 A EP10721327 A EP 10721327A EP 2442702 A1 EP2442702 A1 EP 2442702A1
Authority
EP
European Patent Office
Prior art keywords
flat bag
bag according
bag
diffuser
flat
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
EP10721327A
Other languages
German (de)
English (en)
Other versions
EP2442702B1 (fr
EP2442702B2 (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 NV
Original Assignee
Eurofilters 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=41259437&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2442702(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eurofilters NV filed Critical Eurofilters NV
Priority to EP10721327.4A priority Critical patent/EP2442702B2/fr
Publication of EP2442702A1 publication Critical patent/EP2442702A1/fr
Publication of EP2442702B1 publication Critical patent/EP2442702B1/fr
Application granted granted Critical
Publication of EP2442702B2 publication Critical patent/EP2442702B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47L9/102—Dust separators
    • 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 flat bag for vacuum cleaners, which has in its interior at least one forming an intermediate level diffuser of strips of material and / or sheet with elongated flow openings.
  • Such flat bags are characterized by an excellent dust storage capacity and an extension of the service life.
  • EP 1 787 560 shows flow distributors in the form of boxes or strips of material placed in the region of the inlet opening of the filter bag, which are capable of dividing and deflecting the incoming air flow into partial flows.
  • EP 1 804 635 the idea is expanded to include a second
  • DE 20 2008 007 717 describes a filter bag in which a flat, multi-layer filter insert is arranged in the interior, which is at least partially connected to the filter bag walls.
  • dust should be stored between the at least two layers of the filter insert.
  • the upper of the two layers can be perforated or slotted.
  • the Fii- Inlay may be formed as a continuous strip which is fixed to two opposite edges of the bag.
  • Another air distributor is known from DE 10 2006 051 117.
  • at least two layers of material are arranged one above the other between the bag walls, the layers having a smaller extent than the two bag walls in a first area direction and having the same extent as the bag walls in the area direction orthogonal to the first area direction.
  • the materials used are micro-fiber fleece or paper.
  • This filter bag is sketched in FIG.
  • the problem with these bags is that due to the relatively small dimensioned dimensions of the first deflecting device (SRI), blockages of the bag may occur due to dust accumulated between the inlet opening and the deflecting device, so that the bag becomes unusable.
  • this vacuum cleaner bag still has a second level of flow straighteners.
  • the diffusers which are formed from strips of material or structures provided with flow openings, thereby cause swirling of the incoming air, laden with dirt and / or dust particles.
  • the service life of the bag can be significantly extended.
  • the flat bags according to the present invention include at least one diffuser in an intermediate plane for swirling the sucked-in dust particles.
  • this intermediate level is understood to mean a curved or non-curved surface which forms between the wall of the bag Bag top and bottom is arranged.
  • the intermediate plane in the sense of the invention is thus defined by the arrangement of the diffuser in the interior of the filter bag by connecting the diffuser at least 1 place of the bag wall.
  • the diffuser of a limp material is formed either of at least two mutually arranged strips of material, but may also consist of fabrics that have flow openings in the sense of slots within these fabrics. Such fabrics thus have at least one slit or a cut through, which, however, is not continuous throughout the entire fabric, so that a cohesion of the fabric is ensured at the ends of the fabric, ie where there is no slitting.
  • the geometric shape of the strips of material or of the geometric shapes formed by the flow openings on the sheet is substantially irrelevant in this case;
  • the surface strips can be structured as strips or the flat structures by straight slots, but all other possible geometrical forms of material strips or flat structures are also possible, for example also s-shaped strips or slot guides, but also through holes etc.
  • the diffuser is arranged in the form of sheets with elongated flow openings in the first plane directly under the filter bag top in the region of the inlet opening, this diffuser is attached to both sides of the bag top and its area is less than 10% on the entire bag surface, which is the width the material strip defined by the slits is ⁇ 50% defined with respect to the diameter of the inflow opening, except.
  • the diffuser is thus shorter than the overall length or width of the flat bag. Both ends of the slit formed as a diffuser are fixed directly to the bag top. The diffuser completely covers the inlet opening.
  • the filter bags have an excellent dust storage capacity and thus have an increased service life. It can likewise be observed that blockages in the area of the air inlet of the bag-as is frequently the case with the bags known from the prior art according to FIG. 3-could be avoided.
  • the strips of material are arranged movably relative to one another; It is likewise possible for the strips of material to be spaced apart from one another or for the flow openings of the flat structures to be dimensioned such that the resulting strips of material are spaced apart from one another.
  • the width of the material strip is 2 mm to a maximum of 50% of the width of the bag top. Particularly preferred widths of
  • Material strips are in the range between 5 and 35% of the bag width.
  • the elongated flow openings of the fabrics are linear.
  • the flow openings may be parallel or meander-shaped or zigzag-shaped, and helical line guides are also conceivable.
  • the line-shaped, elongated flow openings have different lengths within the fabric. This embodiment of the invention comes into play when at least two flow openings are present on the sheet. These flow openings may have different lengths, resulting in improved stability of the diffuser.
  • the at least one diffuser is attached to both sides of the bag wall.
  • the diffuser is thus fixed in each case to the bag top side or bottom side of the bag.
  • the fixation is preferably carried out in each case in the end region of the diffuser, so that it is only selectively connected to the bag wall and flexible in the intermediate region due to the pliable material and can be moved by the incoming air.
  • the diffuser in about the same length and / or width as the Beutelober standing. Sub-page.
  • a fixation of the diffuser in this case can then be carried out expediently by inserting the ends of the diffuser between the top and bottom of the filter bag. be fixed and fixed together with the top and bottom of the finished bag. The fixation of the diffuser is thus carried out simultaneously with the bonding or welding step for the production of the filter bag itself. Inrum this allows
  • the diffuser is narrower and / or shorter than the bag top or bottom side.
  • the diffuser has a greater length and / or width as the Beutelober- or - underside and is present folded.
  • the direction of the diffuser is expediently carried out when the length of the diffuser is greater than the dimension of the length and / or width of the filter bag.
  • the folding is then expediently carried out in a zigzag form, wherein, for example, in the case of a diffuser in strip form, a partial overlapping of the strips of the diffuser takes place one above the other. In this respect, an increase of the attack surface for the incoming air is made possible, which leads to a further improvement of the properties of the filter bag.
  • a further embodiment of the present invention provides that the diffuser is designed in the form of strips of material and / or twisted. Here, too, there is an increase in the area of attack for the incoming air, with the same
  • At least two diffusers can each be arranged relative to one another so that the strips of material and / or the elongated flow openings are not parallel, e.g. orthogonal, but also in deviating arrangements, are arranged to each other.
  • the air streams entering the filter bag can be specifically swirled.
  • the diffuser is connected to the bag wall via a splice and / or welds.
  • the flat bag can be designed in any desired geometric shapes; in particular, quadrangular, hexagonal or octagonal configurations are possible here. It is also preferred if the diffuser is connected to the edge region of the flat bag.
  • the present flat bag according to the invention is a gusseted bag.
  • the diffuser is preferably connected to the side fold of the flat bag.
  • the inside of the filter bag top side has a foil (for example a PE foil) in the area of the air inlet opening.
  • This film may be glued or welded, for example.
  • the filter bags used in the examples are shown to illustrate the arrangement of the diffusers inside in the figures shown below.
  • the bags are viewed in projection from the bottom of the bag, looking at the top of the bag.
  • all diffusers are made of strips of a three-ply
  • Nonwoven material formed.
  • an arrangement of the diffusers "longitudinally” means a vertical arrangement of the diffusers shown in the figures, while “transverse” means a horizontal arrangement of the diffusers within the filter bag.
  • transverse means a horizontal arrangement of the diffusers within the filter bag.
  • Figure 2 shows a filter bag containing an additional continuous nonwoven layer (270 mm width) (not according to the invention, Comparative Example 2 *).
  • the layer D1 is fastened continuously on two edges.
  • FIG. 3 shows the above-mentioned filter bag with two flow straighteners SRI (5 x 15 mm film) and SR2 (5 x 25 mm nonwoven fabric), both flow straighteners are arranged longitudinally in the filter bag.
  • FIG. 4 shows a filter bag according to the invention with a longitudinally arranged diffuser (11 ⁇ 22 mm) (Example 4).
  • FIG. 5 shows a filter bag according to the invention with a transversely arranged diffuser (22 ⁇ 11 mm) (Example 5).
  • FIG. 6 shows a filter bag according to the invention with a diffuser formed of polypropylene filaments (Example 6).
  • FIG. 7 shows a filter bag according to the invention with a longitudinally arranged diffuser (10 ⁇ 11 mm) (Example 7).
  • FIG. 8 shows a filter bag according to the invention with a transversely arranged diffuser (10 ⁇ 11 mm) (Example 8).
  • FIG. 9 shows a filter bag according to the invention with a longitudinally arranged diffuser (3 ⁇ 90 mm) (Example 9).
  • FIG. 10 shows a filter bag according to the invention with a longitudinally arranged diffuser (4 ⁇ 67.5 mm) (Example 10).
  • FIG. 11 shows a filter bag according to the invention with a longitudinally arranged diffuser (5 ⁇ 54 mm) (Example 11).
  • FIG. 12 shows a filter bag according to the invention with a longitudinally arranged diffuser (7 ⁇ 38 mm) (Example 12).
  • FIG. 13 shows a filter bag according to the invention with a longitudinally arranged diffuser (9 ⁇ 30 mm) (Example 13).
  • FIG. 14 shows a filter bag according to the invention with a longitudinally arranged diffuser (11 ⁇ 22 mm) (Example 14).
  • FIG. 15 shows a filter bag according to the invention with a longitudinally arranged diffuser (24 ⁇ 5 mm) (Example 15).
  • FIG. 16 shows a filter bag according to the invention with a transversely arranged diffuser (3 ⁇ 90 mm) (Example 16).
  • FIG. 17 shows a filter bag according to the invention with a transversely arranged diffuser (4 ⁇ 54 mm) (Example 17).
  • FIG. 18 shows a filter bag according to the invention with a transversely arranged diffuser (7 ⁇ 38 mm) (Example 18).
  • FIG. 19 shows a filter bag according to the invention with a transversely arranged diffuser (9 ⁇ 30 mm) (Example 19).
  • FIG. 20 shows a filter bag according to the invention with a transversely arranged diffuser (11 ⁇ 22 mm) (Example 20).
  • FIG. 21 shows a filter bag according to the invention with a transversely arranged diffuser (24 ⁇ 11 mm) (Example 21).
  • the filter bags (type GN from Miele) shown in FIGS. 1 to 21 were tested in a series of tests (carried out with a Miele type 5210 vacuum cleaner) with defined amounts of type 8 DMT standard dust (50-400 g, in each case in 50 g interval steps). Reference is made to DIN EN-ISO 60312. The measured values are given for the filter bags in Table 1. The two lower lines of the table each show the measured

Landscapes

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

Abstract

L'invention concerne un sac plat pour aspirateur, ledit sac présentant en son intérieur au moins un diffuseur formant un niveau intermédiaire et constitué de bandes de matériau et et/ou de structures planes comprenant des ouvertures d'écoulement de forme allongée. De tels sacs plats se caractérisent par une excellente capacité de stockage de la poussière et par une plus longue durée d'utilisation.
EP10721327.4A 2009-06-19 2010-05-17 Sac plat pour aspirateur Active EP2442702B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10721327.4A EP2442702B2 (fr) 2009-06-19 2010-05-17 Sac plat pour aspirateur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09008064.9A EP2263507B1 (fr) 2009-06-19 2009-06-19 Sac plat pour aspirateur
EP10721327.4A EP2442702B2 (fr) 2009-06-19 2010-05-17 Sac plat pour aspirateur
PCT/EP2010/003018 WO2010145740A1 (fr) 2009-06-19 2010-05-17 Sac plat pour aspirateur

Publications (3)

Publication Number Publication Date
EP2442702A1 true EP2442702A1 (fr) 2012-04-25
EP2442702B1 EP2442702B1 (fr) 2016-08-31
EP2442702B2 EP2442702B2 (fr) 2023-01-11

Family

ID=41259437

Family Applications (4)

Application Number Title Priority Date Filing Date
EP18196359.6A Active EP3443880B1 (fr) 2009-06-19 2009-06-19 Sachet plat pour aspirateur
EP17160494.5A Active EP3195782B1 (fr) 2009-06-19 2009-06-19 Sachet plat pour aspirateur
EP09008064.9A Active EP2263507B1 (fr) 2009-06-19 2009-06-19 Sac plat pour aspirateur
EP10721327.4A Active EP2442702B2 (fr) 2009-06-19 2010-05-17 Sac plat pour aspirateur

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP18196359.6A Active EP3443880B1 (fr) 2009-06-19 2009-06-19 Sachet plat pour aspirateur
EP17160494.5A Active EP3195782B1 (fr) 2009-06-19 2009-06-19 Sachet plat pour aspirateur
EP09008064.9A Active EP2263507B1 (fr) 2009-06-19 2009-06-19 Sac plat pour aspirateur

Country Status (9)

Country Link
US (1) US8702828B2 (fr)
EP (4) EP3443880B1 (fr)
CN (1) CN102802484B (fr)
AU (1) AU2010262163B2 (fr)
DE (1) DE202010018626U1 (fr)
DK (3) DK2263507T3 (fr)
ES (4) ES2694479T3 (fr)
PL (3) PL3443880T3 (fr)
WO (1) WO2010145740A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2835087A1 (fr) 2013-08-09 2015-02-11 Eurofilters N.V. Sac filtrant d'aspirateur avec élément d'écartement

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2508291T3 (es) * 2010-03-19 2014-10-16 Eurofilters Holding N.V. Bolsa de filtro de aspiradora
ES2713074T3 (es) 2011-03-22 2019-05-17 Eurofilters Nv Dispositivo ecológicamente eficiente para la aspiración de polvo
DE202011108953U1 (de) 2011-12-02 2012-01-19 Branofilter Gmbh Staubfilterbeutel mit einer Staubfängereinlage
DE102011120688B4 (de) 2011-12-02 2019-05-16 Branofilter Gmbh Staubfilterbeutel mit einer Staubfängereinlage
EP2644077A1 (fr) 2012-03-27 2013-10-02 Jan Schultink Procédé d'optimisation d'un dispositif d'aspiration doté d'un aspirateur manuel, compact ou vertical et d'un sac filtrant
EP2644075A1 (fr) 2012-03-27 2013-10-02 Jan Schultink Procédé d'optimisation d'un dispositif d'aspiration doté d'un aspirateur de sol ou vertical et d'un sac filtrant
DE102013100795A1 (de) * 2013-01-28 2014-07-31 Miele & Cie. Kg Filterbeutel für Staubsauger
DK2777795T3 (en) 2013-03-15 2016-06-06 Eurofilters Holding Nv Vacuum cleaner filter bag
CN104116462B (zh) * 2013-04-26 2017-06-30 天佑电器（苏州）有限公司 过滤袋及具有该过滤袋的吸尘器
ES2701678T5 (en) 2016-03-17 2025-02-20 Eurofilters Nv Vacuum cleaner filter bag containing dust and/or fibrous recycled material
EP3305155B1 (fr) 2016-10-06 2019-05-22 Eurofilters N.V. Sac d'aspirateur en matériaux textiles recyclés et/ou de linters de coton
EP3429451B1 (fr) 2016-03-17 2020-02-26 Eurofilters N.V. Sac filtrant d'aspirateur à poussière en matières plastiques recyclées

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US2732911A (en) * 1956-01-31 Disposable dust bags for vacuum cleaners
US3370405A (en) * 1964-12-18 1968-02-27 Studley Paper Company Inc Vacuum cleaner filter bags and method of manufacturing same
US5647881A (en) * 1995-04-20 1997-07-15 Minnesota Mining And Manufacturing Company Shock resistant high efficiency vacuum cleaner filter bag
DK0960645T3 (da) 1998-05-11 2003-12-22 Airflo Europe Nv Støvsugerpose eller -filter og fremgangsmåde til filtrering af en gas
US6063171A (en) * 1998-11-16 2000-05-16 Electrolux Llc Bactericidal vacuum cleaner filter bag
JP4200980B2 (ja) 2005-04-13 2008-12-24 株式会社デンソー 車載用衝突物判定装置
DE102005049118B3 (de) 2005-10-14 2007-02-01 Papierverarbeitung Görlitz GmbH Staubfilterbeutel für Staubsauger
ES2306436T5 (es) † 2005-11-22 2011-05-10 Eurofilters Holding N.V. Bolsa filtrante de aspirador y uso de una bolsa filtrante de aspirador.
EP2343001A1 (fr) 2005-11-22 2011-07-13 Eurofilters Holding N.V. Sac d'aspirateur
DE102005059214B4 (de) 2005-12-12 2007-10-25 Eurofilters N.V. Filterbeutel für einen Staubsauger
DK2012640T3 (da) * 2006-04-25 2010-11-01 Eurofilters Holding Nv Holdeplade til en støvsugerfilterpose
DE202006016304U1 (de) 2006-10-23 2006-12-21 Wolf Gmbh & Co. Kg Filterbeutel
DE202006016303U1 (de) 2006-10-23 2006-12-21 Wolf Gmbh & Co. Kg Filterbeutel
ES2361118T3 (es) * 2006-11-03 2011-06-14 Eurofilters Holding N.V. Bolsa de filtro de aspiradora antibacterial.
DE202006019108U1 (de) 2006-12-19 2007-02-22 Branofilter Gmbh Staubfilterbeutel
DE202007010692U1 (de) 2007-08-01 2007-10-04 Branofilter Gmbh Filtervorrichtung in Gestalt eines Staubfilterbeutels oder einer Filtertasche
EP2025278B1 (fr) * 2007-08-17 2009-05-13 Eurofilters Holding N.V Sac d'aspirateur
ES2440722T3 (es) * 2008-03-07 2014-01-30 Eurofilters Holding N.V. Bolsa de filtro de aspiradora
DE202008003248U1 (de) 2008-03-07 2008-05-08 Eurofilters Holding N.V. Staubsaugerfilterbeutel
DE202008007717U1 (de) 2008-06-10 2008-08-07 Wolf Pvg Gmbh & Co. Kg Filterbeutel
DE202008017637U1 (de) † 2008-09-04 2010-03-25 Branofilter Gmbh Staubfilterbeuteleinrichtung für einen Staubsauger
DE102008061250C5 (de) † 2008-12-10 2018-12-20 Wolf Pvg Gmbh & Co. Kg Staubsaugerbeutel und Verfahren zur Herstellung eines Staubsaugerbeutels

Non-Patent Citations (1)

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Title
See references of WO2010145740A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2835087A1 (fr) 2013-08-09 2015-02-11 Eurofilters N.V. Sac filtrant d'aspirateur avec élément d'écartement

Also Published As

Publication number Publication date
PL3443880T3 (pl) 2021-12-06
EP2442702B1 (fr) 2016-08-31
EP2263507A1 (fr) 2010-12-22
EP2442702B2 (fr) 2023-01-11
ES2876248T3 (es) 2021-11-12
DK3443880T3 (da) 2021-07-26
EP3195782A1 (fr) 2017-07-26
US20120272628A1 (en) 2012-11-01
US8702828B2 (en) 2014-04-22
CN102802484B (zh) 2016-08-03
AU2010262163B2 (en) 2016-03-24
DK2263507T3 (en) 2019-01-14
EP3195782B1 (fr) 2019-01-09
AU2010262163A1 (en) 2012-01-19
ES2595602T3 (es) 2017-01-02
ES2716753T3 (es) 2019-06-14
DK3195782T3 (en) 2019-04-15
PL3195782T3 (pl) 2019-07-31
EP3443880B1 (fr) 2021-05-12
CN102802484A (zh) 2012-11-28
EP2263507B1 (fr) 2018-09-19
ES2694479T3 (es) 2018-12-21
EP3443880A1 (fr) 2019-02-20
ES2595602T5 (es) 2023-03-30
WO2010145740A1 (fr) 2010-12-23
DE202010018626U1 (de) 2019-05-09
PL2263507T3 (pl) 2019-02-28

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