EP2452603B1 - Gefalteter Staubsaugerfilterbeutel - Google Patents

Gefalteter Staubsaugerfilterbeutel Download PDF

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Publication number
EP2452603B1
EP2452603B1 EP10190755.8A EP10190755A EP2452603B1 EP 2452603 B1 EP2452603 B1 EP 2452603B1 EP 10190755 A EP10190755 A EP 10190755A EP 2452603 B1 EP2452603 B1 EP 2452603B1
Authority
EP
European Patent Office
Prior art keywords
side wall
vacuum cleaner
filter bag
cleaner filter
bag
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
EP10190755.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2452603A1 (de
Inventor
Ralf Sauer
Jan Schultink
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
Application filed by Eurofilters Holding NV filed Critical Eurofilters Holding NV
Priority to PL10190755T priority Critical patent/PL2452603T3/pl
Priority to DK10190755.8T priority patent/DK2452603T3/en
Priority to ES10190755.8T priority patent/ES2552640T3/es
Priority to EP10190755.8A priority patent/EP2452603B1/de
Priority to PCT/EP2011/005624 priority patent/WO2012062458A1/de
Publication of EP2452603A1 publication Critical patent/EP2452603A1/de
Application granted granted Critical
Publication of EP2452603B1 publication Critical patent/EP2452603B1/de
Active 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 invention relates to a vacuum cleaner filter bag with a bag wall comprising a first side wall and a second side wall, wherein on the first side wall, a holding plate is arranged.
  • Vacuum cleaner filter bags are today mainly made of nonwovens. Due to their excellent dust retention capabilities, vacuum cleaner filter bags made of nonwovens have virtually supplanted paper filter bags.
  • the production of filter bags made of nonwovens is fundamentally different from the production of paper bags. Common are rectangular flat bags, which are formed from an upper and a lower side wall, which are circumferentially welded together at the edge.
  • Such filter bags are for example from the DE 201 01 466 , of the EP 0 161 790 , of the EP 0 639 061 , of the EP 1 059 056 or the EP 1 661 500 known.
  • a vacuum cleaner bag according to the preamble of claim 1 is made, for example WO-A-2004 112 560 known.
  • the typical sales unit of such vacuum cleaner filter bags is a folding box with three to six filter bags.
  • the vacuum cleaner filter bags are folded several times for packaging.
  • flat bags are usually folded in such a way that all folds are formed away in the direction from the outside of the bag wall on which the holding plate is arranged.
  • the filter bag in the space can often develop insufficient.
  • the filter bag may under certain circumstances unfold its capacity insufficient.
  • the media passage speed can increase and the separation efficiency of the filter bag decreases.
  • not so much space can be available for the storage of the dust particles.
  • the service life of the filter bag may decrease, since the pressure drop of the bag increases rapidly and thus the volume flow which is conveyed through the vacuum cleaner drops relatively quickly. Inadequate deployment also reduces the usable volume available for receiving dust.
  • a partially unfolded bag can hold correspondingly less dust, the bag must be changed earlier.
  • the invention provides a vacuum cleaner filter bag having a bag wall comprising a first side wall and a second side wall, wherein a holding plate is disposed on the first side wall, characterized in that the bag wall has a fold in which the first side wall and the second side wall are folded together in a direction toward the top of the first side wall, and the bag wall has at least one further fold in which the first side wall and the second side wall are folded together in a direction away from the top of the first side wall.
  • the vacuum cleaner filter bag may be at least partially folded or collapsed.
  • the vacuum cleaner filter bag can in particular be folded such that it can be arranged in a corresponding packaging, in particular a folding box.
  • a part of the bag wall, in particular the folded-over part, may be laid on or over another part of the bag wall.
  • the folding can therefore be a refolding.
  • first side wall and the second side wall may be folded together in a direction toward the holding plate.
  • the folding can in particular be designed such that a part of the bag wall is folded over towards the top of the first side wall.
  • a side edge of the bag wall and a portion of the bag wall directly adjacent to the side edge may be folded toward the top of the first side wall.
  • the region adjacent to the side edge may in particular have a width of at least one fifth, in particular at least one quarter, of the length of the side edge.
  • the area adjacent to the side edge may in particular have a width of at most half, in particular a maximum of one third, the length of the side edge.
  • the area adjacent to the side edge may in particular have a width of at least 6 cm, in particular at least 7.5 cm.
  • the region adjacent to the side edge may, in particular, have a maximum width of 15 cm, in particular a maximum of 10 cm.
  • the width of the area can be measured perpendicular to the side edge.
  • the upper side is here in particular the outwardly facing side of the side wall to be meant, so the outside.
  • the side wall side facing the inside of the vacuum cleaner filter bag may be referred to as the bottom or inside.
  • the retaining plate may in particular be arranged on the upper side of the first side wall.
  • Fold or fold points that have the lowest radius of curvature may be referred to as fold hinges. Through the connection of the fold hinges the so-called pleat wrinkle is obtained.
  • the fold back is also referred to as the fold axis.
  • the fold axis may correspond to a longitudinal axis of a fold.
  • the pleat back can correspond to a fold line.
  • the bag wall of the vacuum cleaner filter bag may comprise one or more layers of nonwoven material.
  • the vacuum cleaner filter bag may thus comprise a bag wall made of nonwoven material.
  • the bag wall may additionally comprise a net.
  • the bag wall can also consist of one or more layers of nonwoven material.
  • the vacuum cleaner filter bag may be formed as a flat bag.
  • the first side wall and the second side wall may be connected to one another, in particular welded.
  • the first side wall and the second side wall may in particular be peripherally welded at the edge.
  • the first and second side wall can be arranged opposite one another, in particular substantially parallel to one another, in particular one above the other.
  • the limited by the first side wall, the second side wall and the weld cavity can thereby form the interior of the vacuum cleaner filter bag.
  • the interior of the vacuum cleaner filter bag can be limited in particular only by the first side wall, the second side wall and the weld.
  • the bag wall may consist of the first and the second side wall welded thereto.
  • the first and / or second sidewall may each comprise one or more layers of nonwoven material.
  • the vacuum cleaner filter bag may in particular be a disposable vacuum cleaner filter bag.
  • nonwoven material is used according to the definition according to ISO Standard ISO9092: 1988 or CEN Standard EN29092.
  • nonwoven fabric or nonwoven fabric and nonwoven fabric in the field of production of nonwovens are to be distinguished from one another as follows and also to be understood in the sense of the present application.
  • To produce a nonwoven fabric fibers and / or filaments are used.
  • the loose or loose and substantially unconnected fibers and / or filaments are referred to as nonwoven or nonwoven web.
  • nonwoven fabric which has a strength to form z. B. to be wound into rolls. In other words, the nonwoven fabric is self-supporting by the solidification.
  • the non-woven binding step may comprise calendering the nonwoven web.
  • nonwoven fabric material a dry-laid or wet-laid nonwoven fabric or an extrusion nonwoven fabric, particularly a melt-spun microfiber spunbond fabric (meltblown nonwoven fabric) or filament spunbond fabric (spunbond), may be used.
  • a melt-spun microfiber spunbond fabric meltblown nonwoven fabric
  • filament spunbond fabric spunbond
  • the bag wall may comprise a laminate of a spunbonded nonwoven fabric, a meltblown nonwoven fabric, and a nonwoven filament nonwoven fabric (SMS).
  • SMS nonwoven filament nonwoven fabric
  • a layer of nonwoven fabric may also comprise several layers of nonwoven.
  • the nonwoven fabric may in particular comprise staple fibers and / or continuous fibers.
  • the holding plate can be connected to a mounting device of a vacuum cleaner, in particular engageable, be.
  • the holding plate can in particular in such a way with a mounting device of a vacuum cleaner connectable, in particular engageable, be that the position the retaining plate is substantially fixed or fixable relative to the mounting device.
  • the retaining plate connected to the mounting device of the vacuum cleaner, in particular relative to the mounting device or relative to the installation space of the vacuum cleaner be substantially fixed or fixed.
  • a holding plate can here generally be understood an element of the vacuum cleaner filter bag, which serves to hold the vacuum cleaner filter bag inside a vacuum cleaner housing.
  • the retaining plate can in principle have any shape.
  • the holding plate as a flat, sheet-like component, such as in the EP 1 849 392 shown to be trained.
  • the retaining plate may also have a more complex structure, such as in the DE 20 2008 006 904 shown have.
  • the retaining plate may comprise a plastic material.
  • the retaining plate may in particular be welded to the bag wall, for example by ultrasonic welding.
  • the holding plate can be arranged in the region of an inflow opening of the bag wall of the vacuum cleaner filter bag. During operation of the vacuum cleaner, the air to be cleaned can be directed into the interior of the vacuum cleaner filter bag through the inlet opening.
  • the holding plate may have a through hole in the region of the inflow opening.
  • the vacuum cleaner filter bag, in particular the holding plate may comprise a closure flap, through which the inflow opening of the bag wall and / or the through hole of the holding plate can be closed.
  • the inflow opening and the holding plate can be positioned as desired on the first side wall.
  • the inflow port and the holding plate may be centered on the vacuum cleaner filter bag or offset relative to the center.
  • the first side wall and the second side wall and / or the holding plate and the bag wall, in particular the holding plate and the first, may be connected by ultrasonic welding and / or thermal welding.
  • the filter bag may have one or more gussets.
  • the folding towards the top of the first side wall can in particular be designed in such a way that the holding plate is partially or completely overlapped by the folded-over bag wall.
  • the first sidewall and the second sidewall may be folded together in a direction toward the top of the second sidewall.
  • the vacuum cleaner filter bag may in particular be designed in such a way that the at least one further fold is folded exactly once in a direction away from the upper side of the first side wall.
  • the at least one further fold can be designed such that the bag wall is folded in the region of the at least one further fold only once in a direction away from the upper side of the first side wall.
  • the vacuum cleaner filter bag can thus be designed such that the bag wall has no refolding on the at least one further folding.
  • two further folds may be formed in one direction away from the upper side of the first side wall, in particular wherein the two further folds, in particular their pleat backs, run essentially parallel.
  • the two further folds may in particular comprise two opposite regions of the bag wall.
  • the two further folds can be arranged or run on two opposite sides of the holding plate.
  • the two further folds may in particular be designed such that they do not overlap each other.
  • two further folds may be formed in a direction away from the upper side of the first side wall and a fold in a direction toward the upper side of the first side wall.
  • the two further folds in a direction away from the top of the first side wall may be substantially parallel to each other and not overlapping each other.
  • the vacuum cleaner filter bag may be formed substantially rectangular, wherein the fold extends to the top of the first side wall substantially perpendicular to the longitudinal edges.
  • the vacuum cleaner filter bag may thus comprise four side edges, which face each other in pairs, wherein the respective opposite side edges have the same length.
  • the two side edge pairs may have a different length.
  • the longer-edge side edges may be referred to as longitudinal edges, while the shorter-length side edges may be referred to as transverse edges.
  • the two side edge pairs can have the same length.
  • the vacuum cleaner filter bag is thus formed substantially square.
  • two longitudinal and two transverse edges are defined.
  • the side edges of the side edge pair may be referred to with different distances to the holding plate as transverse edges, while the side edges of the side edge pair may be referred to with equal distances from the holding plate as longitudinal edges.
  • the longitudinal edges may, in particular, extend substantially parallel to the direction in which the holding plate can be connected to a holding device of a vacuum cleaner, in particular can be brought into engagement.
  • the distance of a side edge of the holding plate may correspond in particular to a normal distance.
  • the distance may be in particular the normal distance to the geometric center of the holding plate or the minimum normal distance to the holding plate.
  • the vacuum cleaner filter bag can thus have two longitudinal edges and two transverse edges, the fold extending toward the top of the first side wall, in particular its pleat back, substantially perpendicular to the longitudinal edges.
  • Such a fold can also be referred to as "longitudinal folding”.
  • the bag wall may be folded for longitudinal folding such that a transverse edge and the pleats of the longitudinal fold substantially parallel to it extend substantially perpendicular to the longitudinal edges of the vacuum cleaner filter bag.
  • one of the transverse edges may be folded in a direction towards the top of the first side wall. It may in particular be folded over the transverse edge, which has the larger normal distance to the holding plate in the unfolded vacuum cleaner filter bag.
  • a normal distance of a transverse edge to the support plate in particular the minimum normal distance can be used.
  • the at least one further fold in a direction away from the upper side of the first side wall, in particular its fold back, can run parallel to the longitudinal edges.
  • Such a further folding can also be referred to as "transverse folding".
  • the bag wall for a transverse folding can be folded in such a way that a longitudinal edge and the fold folds of the transverse fold substantially parallel thereto extend essentially perpendicular to the transverse edges of the vacuum cleaner filter bag.
  • Longitudinal folds and transverse folds may be substantially perpendicular to each other.
  • the vacuum cleaner filter bag may in particular have two transverse folds and one longitudinal fold, in particular wherein the longitudinal fold is directed towards the upper side of the first side wall and the two transverse folds are directed away from the upper side of the first side wall.
  • the transverse folds can be designed in particular in the form of a window folding or altarfolding.
  • two opposite side edges of the bag wall in particular the two longitudinal edges, can each be folded away from the upper side of the first side wall.
  • the transverse folds may in particular be designed such that they do not overlap one another.
  • a portion of the transverse fold may be folded together with the longitudinal folds in a direction away from the top of the first sidewall. In this case, first the longitudinal folding and then the transverse folds were formed. With others, the longitudinal folds and the transverse fold may be formed such that the portion of the pouch wall that has been folded over with the longitudinal folds is not visible when the vacuum cleaner filter pouch is viewed toward the support plate.
  • a portion of the longitudinal folds may be folded together with the transverse fold in a direction toward the top of the first sidewall.
  • first the transverse folds and then the longitudinal fold were formed.
  • the longitudinal folds and the transverse fold may be formed such that the part of the bag wall which has been folded over with the longitudinal folds is partially visible when the vacuum cleaner filter bag is viewed in the direction of the holding plate.
  • the folding back of the longitudinal fold can have a normal spacing, in particular a minimum normal spacing, of at least 1/5, in particular at least 1/4, of the length of the longitudinal edge of the bag wall from the holding plate.
  • the pleat back of the longitudinal fold can in particular have a normal spacing, in particular a minimum normal spacing, of at least 2 cm, in particular at least 5 cm, from the holding plate.
  • the invention also provides a container having at least one vacuum cleaner filter bag as described above.
  • the invention thus provides a system of a container and at least one vacuum cleaner filter bag as described above.
  • the container may in particular be a folding box, in particular of cardboard.
  • the invention also provides a method of folding a vacuum cleaner filter bag comprising the steps of:
  • a vacuum cleaner filter bag having a bag wall comprising a first side wall and a second side wall, wherein a holding plate is disposed on the first side wall, and
  • the vacuum cleaner filter bag and / or the obtained folding may have one or more of the above-mentioned features.
  • the method may thus be a method for producing a vacuum cleaner filter bag described above.
  • the folding toward the top of the first side wall may correspond in particular to the formation of a longitudinal fold as described above.
  • the longitudinal fold can be formed such that it has one or more of the above-mentioned features.
  • the folding away from the upper side of the first side wall can be carried out in particular for two, in particular opposite, regions of the bag wall.
  • the folding of the bag wall away from the upper side of the first side wall may in particular correspond to the formation of at least one transverse fold described above.
  • the transverse fold may be formed to have one or more of the above features.
  • a longitudinal fold and two transverse folds can be formed.
  • the formation of the transverse folds can be carried out after, but preferably before, the formation of the longitudinal fold.
  • the upper side of the first side wall is referred to in the following examples.
  • the reverse side is the top of the second side wall.
  • FIGS. 1a and 1b show a plan view of a front and a rear side of an exemplary vacuum cleaner filter bag.
  • the exemplary vacuum cleaner filter bag 1 is designed as a flat bag.
  • the vacuum cleaner filter bag 1 comprises a first side wall 2 and a second side wall 6 which are circumferentially welded together by a weld 3 at the edge.
  • the weld 3 can be formed by means of thermal welding and / or ultrasonic welding.
  • a holding plate 4 is arranged on the first side wall 2.
  • the holding plate 4 is arranged in the region of an inflow opening 5 of the bag wall of the vacuum cleaner filter bag 1.
  • the holding plate 4 also has a through hole in the region of the inflow opening 5.
  • the holding plate 4 may in particular be made of a plastic.
  • the holding plate 4 can be connected to the bag wall, in particular welded, be.
  • the inflow opening 5 and the holding plate 4 can be arbitrarily positioned on the first side wall 2.
  • the inflow opening 5 and the holding plate 4 can also be arranged centered on the vacuum cleaner filter bag 1.
  • Such flat bags are usually folded and arranged in a container, for example a folding box.
  • FIGS. 2a and 2b show perspective views of an exemplary folded vacuum cleaner filter bag 1.
  • the bag wall of the exemplary vacuum cleaner filter bag 1 of FIGS. 2a and 2b indicates a fold toward the top of the first side wall 2 and two further folds in which the first side wall 2 and the second side wall 6 are folded in a direction away from the top of the first side wall 2.
  • the exemplary vacuum cleaner filter bag 1 of the FIGS. 2a and 2b two transverse folds and a longitudinal fold, wherein the longitudinal fold is formed in a direction toward the top of the first side wall 2 out.
  • the two transverse folds are formed in this example from the top of the first side wall 2 away.
  • a portion of the longitudinal folds are folded together with the transverse fold in a direction toward the top of the first sidewall.
  • first the longitudinal folds were formed and then the transverse fold.
  • FIG. 2b shows the back of the in FIG. 2a illustrated exemplary vacuum cleaner filter bag 1.
  • the vacuum cleaner filter bag of FIGS. 2a and 2b a refolding of the longitudinal folding on the two transverse folds, in contrast to vacuum cleaner filter bags known in the art, is avoided.
  • the vacuum cleaner filter bag can develop better in the available space of a vacuum cleaner, in particular, the transverse folds can develop better.
  • the bent by the longitudinal fold portion of the bag wall is less likely to lie in front of a suction opening of the vacuum cleaner.
  • the fold back of the longitudinal fold runs in this example essentially perpendicular to the longitudinal edge of the vacuum cleaner bag 1 and parallel to the transverse edge.
  • the vacuum cleaner filter bag 1 is rectangular, thus has two longitudinal edges and two transverse edges, wherein the longitudinal edges are longer than the transverse edges.
  • a longitudinal direction or a transverse direction can be defined by the positioning of the holding plate on the first side wall.
  • the direction in which the holding plate has different distances to two opposite side edges can be defined as a longitudinal direction.
  • the transverse direction can then be defined substantially perpendicular thereto. Side edges that run longitudinally may then be referred to as “longitudinal edges” and side edges that extend in the transverse direction are referred to as "transverse edges”.
  • the longitudinal fold is designed such that the folded-over part of the bag wall does not cover or overlap the holding plate 4.
  • the longitudinal fold is formed such that the folded part of the bag wall, the support plate 4 partially or completely covers or overlaps.
  • the vacuum cleaner filter bag may be formed in different geometries and / or sizes.
  • longitudinal edges can be used or transverse edges are defined by the positioning of the holding plate on the first side wall.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
EP10190755.8A 2010-11-10 2010-11-10 Gefalteter Staubsaugerfilterbeutel Active EP2452603B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL10190755T PL2452603T3 (pl) 2010-11-10 2010-11-10 Składany worek filtrujący do odkurzacza
DK10190755.8T DK2452603T3 (en) 2010-11-10 2010-11-10 Folded vacuum cleaner filter bag
ES10190755.8T ES2552640T3 (es) 2010-11-10 2010-11-10 Bolsa de filtro de aspiradora plegada
EP10190755.8A EP2452603B1 (de) 2010-11-10 2010-11-10 Gefalteter Staubsaugerfilterbeutel
PCT/EP2011/005624 WO2012062458A1 (de) 2010-11-10 2011-11-09 Gefalteter staubsaugerfilterbeutel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10190755.8A EP2452603B1 (de) 2010-11-10 2010-11-10 Gefalteter Staubsaugerfilterbeutel

Publications (2)

Publication Number Publication Date
EP2452603A1 EP2452603A1 (de) 2012-05-16
EP2452603B1 true EP2452603B1 (de) 2015-10-21

Family

ID=43707864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10190755.8A Active EP2452603B1 (de) 2010-11-10 2010-11-10 Gefalteter Staubsaugerfilterbeutel

Country Status (5)

Country Link
EP (1) EP2452603B1 (pl)
DK (1) DK2452603T3 (pl)
ES (1) ES2552640T3 (pl)
PL (1) PL2452603T3 (pl)
WO (1) WO2012062458A1 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130055900A1 (en) * 2010-03-19 2013-03-07 Ralf Sauer Vacuum Cleaner Filter Bag

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015101325A1 (de) * 2015-01-29 2016-08-04 Wolf Pvg Gmbh & Co. Kg Verfahren und Vorrichtung zum Falten eines Staubsaugerbeutels
PL3669734T3 (pl) * 2018-12-17 2021-07-05 Eurofilters Holding N.V. Worek filtracyjny do odkurzacza mający spoinę zgrzewaną o ulepszonej wytrzymałości
EP3753463B1 (de) * 2019-06-17 2023-05-10 Eurofilters Holding N.V. Staubsaugerfilterbeutel für einen handstaubsauger

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460871C3 (de) * 1974-12-21 1982-04-22 Gebrüder Voit, 8500 Nürnberg Staubsaugereinsatzbeutel
US4589894A (en) 1984-04-11 1986-05-20 Minnesota Mining And Manufacturing Co. Disposable filter for a vacuum cleaner
DE4214990A1 (de) 1992-05-06 1993-11-11 Minnesota Mining & Mfg Staubsaugerbeutel und Verfahren zu seiner Herstellung
EP1059056B1 (en) 1999-06-08 2004-11-03 3M Innovative Properties Company Dust bag and method for manufacturing the same
DE20101466U1 (de) 2001-01-27 2001-04-19 Wolf Gmbh In einen Staubsauger einsetzbare Filtereinrichtung
JP3558290B1 (ja) * 2003-06-23 2004-08-25 アイム株式会社 電気掃除機用集塵フィルタ
ITGE20030025U1 (it) 2003-11-27 2005-05-28 Filtri Di Padroni Marco Genova Sacchetto per aspirapolvere realizzato in tessuto non tessuto
ATE410112T1 (de) 2006-04-25 2008-10-15 Eurofilters Holding Nv Halteplatte für einen staubsaugerfilterbeutel
DE202008006904U1 (de) 2008-05-21 2009-10-15 Wolf Pvg Gmbh & Co. Kg Halteplatte für einen Staubsaugerbeutel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130055900A1 (en) * 2010-03-19 2013-03-07 Ralf Sauer Vacuum Cleaner Filter Bag
US20130061566A1 (en) * 2010-03-19 2013-03-14 Ralf Sauer Vacuum Cleaner Filter Bag
US10178932B2 (en) * 2010-03-19 2019-01-15 Eurofilters Holding N.V. Vacuum cleaner filter bag
US10188248B2 (en) * 2010-03-19 2019-01-29 Eurofilters Holding N.V. Vacuum cleaner filter bag

Also Published As

Publication number Publication date
EP2452603A1 (de) 2012-05-16
WO2012062458A1 (de) 2012-05-18
DK2452603T3 (en) 2016-01-18
ES2552640T3 (es) 2015-12-01
PL2452603T3 (pl) 2016-03-31

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