EP2044874A2 - Sac filtrant pour aspirateur - Google Patents

Sac filtrant pour aspirateur Download PDF

Info

Publication number
EP2044874A2
EP2044874A2 EP08013146A EP08013146A EP2044874A2 EP 2044874 A2 EP2044874 A2 EP 2044874A2 EP 08013146 A EP08013146 A EP 08013146A EP 08013146 A EP08013146 A EP 08013146A EP 2044874 A2 EP2044874 A2 EP 2044874A2
Authority
EP
European Patent Office
Prior art keywords
sealing
opening
bag
holding plate
sealing membrane
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
EP08013146A
Other languages
German (de)
English (en)
Other versions
EP2044874B1 (fr
EP2044874A3 (fr
Inventor
Andrej Korobov
Herbert Krehan
Jürgen Scheiderer
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.)
Branofilter GmbH
Original Assignee
Branofilter GmbH
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 Branofilter GmbH filed Critical Branofilter GmbH
Publication of EP2044874A2 publication Critical patent/EP2044874A2/fr
Publication of EP2044874A3 publication Critical patent/EP2044874A3/fr
Application granted granted Critical
Publication of EP2044874B1 publication Critical patent/EP2044874B1/fr
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
    • A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • A47L9/1436—Connecting plates, e.g. collars, end closures

Definitions

  • the invention relates to a filter bag for vacuum cleaner with a bag wall containing a inlet opening made of air-permeable filter material, a arranged in the region of the inlet opening outside the filter bag retaining plate having an aligned with the inlet port opening, and an elastic sealing membrane, a in the radial direction in the connection opening protruding, a sealing opening surrounding the connection opening sealing ring surrounds, on whose inner side facing the bag inside a support ring is applied.
  • Vacuum cleaners use filter bags to collect the accumulated dust.
  • a suction flow is generated by means of a blower, which pulls the dust into a suction hose or the like and from there through the connection opening of the holding plate and the inlet opening of the bag wall promotes into the filter bag.
  • the dust contained in the intake air is retained in the filter bag.
  • the dust-free air flow penetrates the wall of the filter bag and is then blown into the environment.
  • the holding plate which is associated with a device-side receptacle.
  • a device-side connecting piece may be present on the retaining plate, so that the sealing ring in the axial direction bends inwards and applies sealingly against the outer peripheral surface of the connecting piece.
  • the holding plate is not attached to the nozzle but held with its sealing ring against the end face of the nozzle or other device-side sealing surface.
  • the sealing ring should be a backup ring deposited.
  • the holding plate 2 stacked cardboard layers, of which the bag interior facing cardboard layer is bent at the location of the connection opening circumferentially outwardly, so that a sealing ring acted upon supporting ring is formed.
  • the present invention seeks to provide a filter bag of the type mentioned, which has the simplest possible structure and can be produced inexpensively.
  • the sealing membrane between the bag wall and the holding plate is arranged and welded to the bag wall and the holding plate around the connection opening around, that the inlet opening has a smaller diameter than the connection opening and the support ring of the diameter
  • the sealing membrane consists of soft material which has cured in the foam welded to the bag wall and the support plate area foamless structure and thinner than the starting thickness of the sealing membrane and in the sealing ring forming area exhibiting at least the Bag wall facing away from the sealing ring outside thickened by the connection opening to the outside substantially to the initial thickness.
  • the retaining plate, the sealing membrane and the bag wall are made of suitable material so that they can be welded together.
  • the welding can be carried out without any special effort.
  • the foam material of the sealing ring is displaced inwardly into the connection opening of the retaining plate, so that the foam material forming there anyway and forming the sealing ring is thickened and exposed to the outside. This is supported by the support ring formed by the bag wall, which bears against the inside of the sealing ring so that the foam material is held outwards.
  • the production is very simple, so that the production costs are accordingly relatively low.
  • the sealing ring can seal against the end face of a device-side nozzle or against another sealing surface. Furthermore, the foam sealing ring can also bend inwards, if you want to attach the plate to a device-side connection piece.
  • the sealing membrane may have at least on its outer side a cover skin covering the soft foam material. This can favor the sealing against the end face of a device-side nozzle or another sealing surface.
  • the inlet opening expediently has a larger diameter than the sealing opening. To this Way remains the radially inner region of the sealing ring unsupported, which makes the sealing ring, so to speak, compliant.
  • a filter bag for vacuum cleaners has a bag wall of air-permeable filter material, of which a bag wall 1 contains an inlet opening 2.
  • a holding plate. 3 arranged, which serves for fixing the dust filter bag in a vacuum cleaner, which for this purpose has a suitable receptacle.
  • the holding plate 3 contains a connection opening 4 aligned with the inlet opening 2.
  • an elastic sealing membrane 5 is present, which forms a radial direction in the connection opening 4 projecting sealing ring 6, which encloses a connection opening 4 coaxial sealing opening 7.
  • a device-side connecting piece 8 is arranged in the field of device-side recording.
  • the holding plate 3 can be plugged with its connection opening 4 on the connecting piece 8 or with the bag interior facing away from the outside 9 of the sealing ring 6 against the nozzle end face 10 to the system.
  • another device-side sealing surface may be present, on which the sealing ring 6 may rest.
  • the filter bag is plugged with its retaining plate 3 on the device nozzle 8 or brought with its sealing ring 6 for abutment against a device-side sealing surface, for example, the end face 10, depends on the respective device type.
  • the connection piece 8 is drawn at a distance from the holding plate 3.
  • the sealing ring 6 bends towards the bag interior and seals the connecting piece 8 at its outer periphery.
  • the inlet opening 2 of the bag wall 1 has a smaller diameter than the connection opening 4 of the holding plate 3.
  • the support ring 12 is formed by the smaller in diameter with respect to the connection opening 4 ring portion 13 of the bag wall 1.
  • the inlet opening 2 and the seal opening 7 may in principle have a same diameter. Conveniently, however, the diameter of the inlet opening 2 is greater than the diameter of the seal opening 7, so that radially inwardly results in a free from the support ring 12 sealing ring portion 14.
  • the filter material forming the bag wall 1 is or contains a thermoplastic fiber material.
  • the bag wall 1 may have a single-layered or multi-layered construction.
  • the different layers can fulfill different functions.
  • the inner layer facing the bag interior 11 may be a coarse filter
  • the next layer may be a fine filter
  • the outer layer may be a support layer serving for strength.
  • Multi-ply filter bag walls are known in great variety, so that their structure will not be discussed in detail here.
  • the sealing membrane 5 is arranged between the bag wall 1 and the holding plate 3 and welded on the one hand to the bag wall 1 and on the other hand with the holding plate 3 around the connection opening 4 around.
  • the holding plate 3 made of a suitable plastic material.
  • the circular encircling and, so to speak, a weld forming weld region 15 is from the Figures 2 and 3 seen. The understanding of the FIG. 2 Because of it is pointed out that in the welding area 15 in the circumferential direction sequentially drawn rectangles during welding plasticized and then cured areas of the bag wall 1 and the sealing membrane 5 are.
  • the welding is advantageously carried out by ultrasonic welding.
  • the sealing membrane 5 is made of flexible foam material, for example, polyurethane, polyethylene, polyvinyl chloride or EPDM rubber.
  • the soft foam material may be open-cell and / or closed-cell. It has elastic properties, so that the sealing membrane 5 and in particular the sealing ring 6 formed by it are subjected to elastic changes in shape and therefore can cling well to the device-side sealing surface 10 or plugged connection piece 8 on the outer circumference.
  • the starting thickness 16 of the sealing membrane 5, which has the sealing membrane in the new state and also in its use state in the edge region 17 lying radially outside the welding region 15, lies in the range between 1 mm and 10 mm, advantageously between 3 mm and 5 mm.
  • the foam material forming the sealing membrane 5 has lost its foam structure in the region 15 welded to the bag wall 1 and the holding plate 3 and is substantially thinner than the starting thickness 16 due to the pressure application accompanying the welding operation.
  • the welding region 15 extends to the the connection opening 4 bounding peripheral edge 18 of the holding plate 3.
  • Radially inside the peripheral edge 18, the outside 9 of the sealing membrane 5 is no longer covered by the holding plate 3, so that the sealing ring outside 9 is exposed.
  • the sealing ring 6 can therefore expand radially within the peripheral edge 18 in the direction of its thickness and thereby thicken substantially to its initial thickness 16, as seen from FIG. 3 is apparent. This thickening corresponds, so to speak, a spreading of the sealing ring 6 in the direction of thickness.
  • This and in particular the spreading of the sealing ring 6 axially inwardly opposite support ring 12 result in the already described issuing the sealing ring 6 to the outside.
  • the sealing membrane 5 and the holding plate 3 is used together with a pressing from the inside against the bag wall 1 sonotrode to which a relatively small dome is attached, the support ring 12 resulting ring section 13 of the bag wall 1 and the sealing ring portion 14 of the sealing membrane 5 presses during welding to the outside.
  • the foam sealing membrane 5, as shown FIG. 4 it can be seen, in the embodiment, a rectangular or square peripheral shape.
  • the illustrated holding plate 3 still has a guide device for a only in FIG. 3 dash-dotted lines indicated slide 20, which between one the connection opening 4 releasing open position and the connection opening 4 closing closed position in the direction of arrow 21 is arranged to be movable.
  • the closure slide 20 is located on the side opposite the bag wall 1 side of the holding plate 3. It has a passage opening, which is in the initial position forming the open position at the connection opening 4. If one pulls the closure slide 20 in the direction according to arrow 21, its passage opening moves away from the connection opening 4. In this case, a closed region of the closure slide 20 passes over the connection opening 4 and closes it.
  • upstanding and the closure slide 20 on both sides of the edge cross-guiding elements 22 may be present on the support plate.
  • the filter bag If the filter bag is full, it is removed from the vacuum cleaner and can be thrown away. In this case, the filter bag is closed during removal by means of the closure slide 20, so that no dust can escape into the environment.
  • the filter bag In the production of the filter bag can be proceeded so that at not the filter bag closed filter material on the described bag wall 1 resulting piece of material pierces the inlet opening 2, after which sets the not yet perforated sealing membrane 5 at the inlet opening 2 on the bag wall 1. Then you welded the filter material, the sealing membrane and the holding plate together. Finally, the seal opening 7 is punched into the sealing membrane 5.
  • the sealing membrane has at least on its outside 9 a covering skin covering the soft foam material.
  • Soft foam body with such a covering skin are well known, so that a more detailed description is unnecessary.
  • the covering skin favors the intended purpose with the sealing ring 6 sealing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
EP20080013146 2007-10-01 2008-07-22 Sac filtrant pour aspirateur Active EP2044874B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720014164 DE202007014164U1 (de) 2007-10-01 2007-10-01 Filterbeutel für Staubsauger

Publications (3)

Publication Number Publication Date
EP2044874A2 true EP2044874A2 (fr) 2009-04-08
EP2044874A3 EP2044874A3 (fr) 2009-09-30
EP2044874B1 EP2044874B1 (fr) 2010-09-29

Family

ID=38825808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080013146 Active EP2044874B1 (fr) 2007-10-01 2008-07-22 Sac filtrant pour aspirateur

Country Status (2)

Country Link
EP (1) EP2044874B1 (fr)
DE (2) DE202007014164U1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3219236A1 (fr) 2016-03-17 2017-09-20 Eurofilters Holding N.V. Plaque de maintien dotee d'une fermeture amelioree
EP3219237A1 (fr) 2016-03-17 2017-09-20 Eurofilters Holding N.V. Plaque de maintien dotee d'une fermeture amelioree
EP3219235A1 (fr) 2016-03-17 2017-09-20 Eurofilters Holding N.V. Dispositif pour un sac filtrant d'aspirateur avec dispositif de maintien et dispositif de verrouillage
EP3338610A1 (fr) 2016-12-23 2018-06-27 Eurofilters Holding N.V. Plaque de retenue pour sac d'aspirateur ayant un joint d'étanchéité
EP3530170A1 (fr) 2018-02-23 2019-08-28 Eurofilters Holding N.V. Plaque de support dotée du dispositif de centrage
EP3530171A1 (fr) 2018-02-23 2019-08-28 Eurofilters Holding N.V. Plaque de support dotée de l'élément d'étanchéité
EP3560402A1 (fr) * 2018-04-27 2019-10-30 Eurofilters Holding N.V. Élément filtrant d'aspirateur sous pourvu de feuille dans la zone de la plaque de retenue
US11504662B2 (en) 2016-03-17 2022-11-22 Eurofilters N.V. Vacuum cleaner filter bag made from recycled plastic
US11517163B2 (en) 2017-02-07 2022-12-06 Eurofilters Holding N.V. Retaining plate for a vacuum cleaner filter bag, having a closure device
US11602252B2 (en) 2016-03-17 2023-03-14 Eurofilters N.V. Vacuum cleaner filter bag made from recycled plastic
USD1073228S1 (en) * 2024-10-18 2025-04-29 Dongguan Guangsheng Trading Co., Ltd. Connection element for vacuum cleaner bag
USD1108053S1 (en) * 2024-06-21 2025-12-30 Dongguan Huaying Zhizao Co., Ltd. Dust bag

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008041234A1 (de) * 2008-08-13 2010-02-25 BSH Bosch und Siemens Hausgeräte GmbH Staubsaugergehäuse
DE102010060353A1 (de) * 2010-11-04 2012-05-10 Papierverarbeitung Görlitz GmbH Staubfilterbeutel für Staubsauger

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0787460A2 (fr) 1996-02-03 1997-08-06 Branofilter Gmbh Pièce de raccordement pour sac à poussière d'aspirateur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4861357A (en) * 1988-05-10 1989-08-29 Gavin Thomas W Vacuum cleaner bag collar
DE102005027078B4 (de) * 2005-06-11 2007-12-13 Jan-Robert Wulbrandt Vorrichtung zur Befestigung von Filterbeuteln in Geräten

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0787460A2 (fr) 1996-02-03 1997-08-06 Branofilter Gmbh Pièce de raccordement pour sac à poussière d'aspirateur

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10806316B2 (en) 2016-03-17 2020-10-20 Eurofilters Holding N.V. Device for a vacuum cleaner filter bag with a holding device and a closure device
EP3219237A1 (fr) 2016-03-17 2017-09-20 Eurofilters Holding N.V. Plaque de maintien dotee d'une fermeture amelioree
EP3219235A1 (fr) 2016-03-17 2017-09-20 Eurofilters Holding N.V. Dispositif pour un sac filtrant d'aspirateur avec dispositif de maintien et dispositif de verrouillage
WO2017158085A1 (fr) 2016-03-17 2017-09-21 Eurofilters Holding N.V. Plaque de retenue présentant un élément de fermeture amélioré
WO2017158074A1 (fr) 2016-03-17 2017-09-21 Eurofilters Holding N.V. Dispositif pour sac filtrant d'aspirateur comprenant un dispositif de retenue et un dispositif de fermeture
WO2017158098A1 (fr) 2016-03-17 2017-09-21 Eurofilters Holding N.V. Plaque de retenue avec fermeture améliorée
US11896922B2 (en) 2016-03-17 2024-02-13 Eurofilters N.V. Vacuum cleaner filter bag with powdery and/or fibrous recycled material
EP3219236A1 (fr) 2016-03-17 2017-09-20 Eurofilters Holding N.V. Plaque de maintien dotee d'une fermeture amelioree
US11602252B2 (en) 2016-03-17 2023-03-14 Eurofilters N.V. Vacuum cleaner filter bag made from recycled plastic
US11504662B2 (en) 2016-03-17 2022-11-22 Eurofilters N.V. Vacuum cleaner filter bag made from recycled plastic
US10939788B2 (en) 2016-03-17 2021-03-09 Eurofilters Holding N.V. Retaining plate with improved sealing
US10905299B2 (en) 2016-03-17 2021-02-02 Eurofilters Holding N.V. Retaining plate with improved sealing
WO2018115269A1 (fr) 2016-12-23 2018-06-28 Eurofilters Holding N.V. Plaque de retenue pour sac à poussière pour aspirateur, pourvue d'un élément d'étanchéité
AU2017381004B2 (en) * 2016-12-23 2020-07-02 Eurofilters Holding N.V. Retainer panel for a vacuum cleaner bag, with seal
EP3338610A1 (fr) 2016-12-23 2018-06-27 Eurofilters Holding N.V. Plaque de retenue pour sac d'aspirateur ayant un joint d'étanchéité
US11517163B2 (en) 2017-02-07 2022-12-06 Eurofilters Holding N.V. Retaining plate for a vacuum cleaner filter bag, having a closure device
WO2019162424A1 (fr) 2018-02-23 2019-08-29 Eurofilters Holding N.V. Plaque de fixation pourvue d'un dispositif de centrage
WO2019162307A1 (fr) 2018-02-23 2019-08-29 Eurofilters Holding N.V. Plaque de retenue dotée d'un élément d'étanchéité
EP3530171A1 (fr) 2018-02-23 2019-08-28 Eurofilters Holding N.V. Plaque de support dotée de l'élément d'étanchéité
EP3530170A1 (fr) 2018-02-23 2019-08-28 Eurofilters Holding N.V. Plaque de support dotée du dispositif de centrage
US12042117B2 (en) 2018-02-23 2024-07-23 Eurofilters Holding N.V. Retainer plate with a seal element
WO2019206532A1 (fr) * 2018-04-27 2019-10-31 Eurofilters Holding N.V. Sac de filtration pour aspirateur doté d'un film dans la région de la plaque de retenue
RU2753555C1 (ru) * 2018-04-27 2021-08-17 Еврофильтерс Холдинг Н.В. Фильтровальный мешок пылесоса, имеющий пленку в области удерживающей пластины
AU2019259443B2 (en) * 2018-04-27 2021-09-30 Eurofilters Holding N.V. Vacuum cleaner filter bag with film in the region of the holding plate
CN112105280A (zh) * 2018-04-27 2020-12-18 欧罗菲利特斯控股公司 在保持板的区域中具有膜的真空吸尘器滤袋
EP3560402B1 (fr) 2018-04-27 2022-12-07 Eurofilters Holding N.V. Élément filtrant d'aspirateur sous pourvu de feuille dans la zone de la plaque de retenue
EP3560402A1 (fr) * 2018-04-27 2019-10-30 Eurofilters Holding N.V. Élément filtrant d'aspirateur sous pourvu de feuille dans la zone de la plaque de retenue
USD1108053S1 (en) * 2024-06-21 2025-12-30 Dongguan Huaying Zhizao Co., Ltd. Dust bag
USD1073228S1 (en) * 2024-10-18 2025-04-29 Dongguan Guangsheng Trading Co., Ltd. Connection element for vacuum cleaner bag

Also Published As

Publication number Publication date
DE502008001429D1 (de) 2010-11-11
DE202007014164U1 (de) 2007-12-13
EP2044874B1 (fr) 2010-09-29
EP2044874A3 (fr) 2009-09-30

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