EP2939583B1 - Verfahren und vorrichtung zur herstellung eines staubsaugerbeutels und staubsaugerbeutel - Google Patents

Verfahren und vorrichtung zur herstellung eines staubsaugerbeutels und staubsaugerbeutel Download PDF

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Publication number
EP2939583B1
EP2939583B1 EP15163529.9A EP15163529A EP2939583B1 EP 2939583 B1 EP2939583 B1 EP 2939583B1 EP 15163529 A EP15163529 A EP 15163529A EP 2939583 B1 EP2939583 B1 EP 2939583B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
bag
seam
cleaner bag
corner
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
EP15163529.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2939583A1 (de
Inventor
Wolfgang Czado
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wolf PVG GmbH and Co KG
Original Assignee
Wolf PVG GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wolf PVG GmbH and Co KG filed Critical Wolf PVG GmbH and Co KG
Priority to PL15163529T priority Critical patent/PL2939583T3/pl
Publication of EP2939583A1 publication Critical patent/EP2939583A1/de
Application granted granted Critical
Publication of EP2939583B1 publication Critical patent/EP2939583B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2241/00—Making bags or boxes intended for a specific use
    • B31B2241/008—Making suction cleaner bags

Definitions

  • the present invention relates to a method for producing a vacuum cleaner bag and a vacuum cleaner bag according to the preamble of claim 6.
  • the EP 1 915 939 discloses a filter bag for a vacuum cleaner, in which an upper layer and a lower layer made of a filter material are welded together at the edges on the edges.
  • Such filter bags are also referred to as flat bags and are folded for transport both on two sides in a first direction and then adjacent to the holding plate in a second direction.
  • the DE 10 2009 044 505 proposed to provide an inward fold on at least one edge of the vacuum cleaner bag.
  • block bottom bags that have a cuboid or block-shaped bottom area and are therefore better adapted to a cuboid contour of a chamber of a vacuum cleaner.
  • EP 1 776 909 describes a vacuum cleaner bag in which a bottom region is essentially designed as a block bottom bag, but which additionally has side folds that can be folded outwards.
  • the production of such a block-shaped bottom is, however, complex because devices such as swords have to be inserted into the bag in order to fold the bag in the bottom area, in order then to bring about a corresponding folding. This makes the production complex and significantly increases the production time per vacuum cleaner bag compared to flat bags.
  • shape-changing means in particular connection points, connecting seams, folded edges or other means are provided, which in the; Inserting the vacuum cleaner bag makes it easier to unfold.
  • the vacuum cleaner bag can have more filling volume.
  • the vacuum cleaner bag opposes a lower flow resistance to the air volume flow, since no superfluous nonwoven material has to squeeze into the dust space.
  • the filter material of the vacuum cleaner bag is processed in at least one place by welding and / or gluing in the inflated state.
  • the upper layer of the filter material is glued or welded to one another between two points and / or the lower layer is glued or welded to a further point on the lower layer.
  • the seams in particular weld seams, preferably have an area of more than 4 mm 2 . Weld spots have a diameter of at least 2 mm.
  • the flat bag is preferably provided with a weld seam at at least one corner, which is aligned at an angle to the seam running around the edge is.
  • the weld seam can be oriented at right angles to the seam or at an angle of greater than 45 °, in particular greater than 60 °.
  • At least one corner is welded and then cut off.
  • Preferably two corners can be welded or cut to form a block bottom. It is also possible to weld all four corners to form a cuboid and then cut them off, so that a “block bottom” is formed on both the lower layer and the upper layer, that is to say a double block bottom.
  • a device for carrying out the method comprises a device for inflating the flat bag and at least one welding or adhesive device for producing a shape-changing means to facilitate the unfolding of the vacuum cleaner bag, the filter material of the vacuum cleaner bag being inflated at least at one point by welding and / or gluing is editable.
  • the vacuum cleaner bag according to the invention comprises an upper layer and a lower layer made of filter material, which are connected to one another via a first seam running around the edge, at least one layer having an inflow opening. At least one corner of the vacuum cleaner bag is provided with a means for facilitating the unfolding on the filter material. This should improve handling when inserting the vacuum cleaner bag.
  • a weld seam is preferably provided at at least one corner at an angle to the first seam, for example at an angle greater than 60 °. It is also possible to provide only one or more weld spots or adhesive spots instead of the weld seam. In addition, embossments or folded edges can also be provided on the filter material to make it easier to unfold.
  • a flat bag 1 serves as a blank for producing a vacuum cleaner bag according to the invention.
  • the flat bag 1 comprises an upper layer 2 and a lower layer 3 made of filter material, which are connected to one another all around by a seam 4, in particular a weld seam.
  • an inflow opening 5 is provided, which is surrounded by a holding plate 6 for holding the vacuum cleaner bag in a vacuum cleaner.
  • the inflow opening 5 can be closed via a closure element, in particular a closure flap or a closure slide.
  • a single- or multi-layer nonwoven or a composite material made of nonwoven and paper can be used as the filter material for the upper and lower layers 2, 3.
  • a filter material made of a multi-layer nonwoven fabric that can be welded is preferably used.
  • the flat bag 1 is shown in an inflated state, so that the flat bag has a cushion-shaped contour in which the circumferential seam 4 is arranged in a central region.
  • a nozzle can be inserted into the inflow opening 5 in order to then blow air into the flat bag 1.
  • a nozzle can be provided on a production device, for example on a rotating ring. Air is used as the fluid for inflating the flat bag 1, but other fluids, in particular gases or liquid media, can also be used, if appropriate with the provision of a corresponding intermediate layer.
  • a liquid could also be used to inflate the flat bag 1, which liquid is pumped into the flat bag 1 within a flexible material, for example a balloon.
  • a corner 9 of the flat bag 1 is shown, which is provided with a shape-changing means for facilitating the unfolding of the vacuum cleaner bag.
  • the flat bag 1 is inflated with a Provided weld 12, which is produced by a sonotrode 10 and an anvil 11.
  • the weld seam 12 forms a triangle with the corner 9 in plan view, the upper layer being welded to the upper layer and the lower layer to the lower layer being welded.
  • the line-shaped weld seam 12 seals the vacuum cleaner bag, so that the corner 9 on the outer side of the weld seam 12 can be cut off without the vacuum cleaner bag becoming leaky.
  • a three-dimensional contour results at this corner, preferably at least two corners 9 being provided with a corresponding weld seam 12, as shown in FIG Figure 3 is shown.
  • the two corners 9 next to the weld seam 12 are cut off.
  • a weld seam 12 is provided at two corners of the vacuum cleaner bag and extends essentially perpendicular to the seam 4 between the upper layer 2 and the lower layer 3.
  • the vacuum cleaner bag has a seam 4 and two weld seams 12 in this area, which have the shape of a double T.
  • the corners are designed like a flat bag, so that a block bottom is formed only in the area of the weld seams 12.
  • the vacuum cleaner bag has a rectangular shape and can also be called a vacuum cleaner bag with a double block base.
  • the inflow opening 5 within the holding plate 6 is aligned in a plane substantially perpendicular to side wall sections on which the circumferential seam 4 is provided.
  • the weld seams 12 can have a length between 1 cm and 15 cm, in particular 2 cm to 8 cm, so that the vacuum cleaner bag fits optimally into an interior of a vacuum cleaner.
  • the weld seams 12 have a higher strength than the filter material, so that the weld seams 12 form edges for reinforcement, which are oriented essentially perpendicular to the plane of the circumferential seam 4.
  • Embodiment shown are provided at four corners alone welds 13, which are different from the embodiment of the Figure 4 do not run in a line, but have a kink.
  • the weld seams 13 converge to a tip 14, so that the finished vacuum cleaner bag is not exactly cuboid, but has a larger circumference in the area of the plane of the circumferential seam 4 than in the area of the inflow opening at the top or at the bottom of the vacuum cleaner bag.
  • the angle between the weld seams 13 can be in a range between 180 ° to 60 °, in particular 160 ° to 120 °.
  • line-shaped weld seams 12 and 13 are provided, the corners 9 being cut off from the vacuum cleaner bag after the weld seams 12 and 13 have been produced.
  • the vacuum cleaner bag is given a rather rectangular shape starting from a flat bag, even if the edges do not necessarily have to be perpendicular to the plane of the seam 4, as is the case with the embodiment of FIG Figures 5A and 5B shows.
  • the flat bag is first inflated or filled with a fluid so that the flat bag is given a pillow-shaped contour.
  • inflation is also intended to include the use of a liquid fluid.
  • shape-changing means in particular weld seams 12 or 13 or adhesive seams, are then provided in order to facilitate the unfolding of the vacuum cleaner bag.
  • a weld seam 12 or 13 is preferably provided, which is provided at a corner 9 of the flat bag 1, so that the corner 9 can be cut off after the weld seams 12 and 13 have been produced. This can be done at two corners 9, but preferably at all four corners, so that the vacuum cleaner bag is given a rather cuboidal contour.
  • the vacuum cleaner bag can then be folded and flattened in order to keep the storage volume in a package low.
  • the welding seams 12 and 13 arranged at an angle to the seam 4 or corresponding welding points or folded edges make it easier to unfold the vacuum cleaner bag after it has been inserted into a vacuum cleaner.
  • weld seams are used as shape-changing means. It is also possible, additionally or alternatively, to provide adhesive bonds, punched-out portions and / or folds in on the filter material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
EP15163529.9A 2014-05-02 2015-04-14 Verfahren und vorrichtung zur herstellung eines staubsaugerbeutels und staubsaugerbeutel Active EP2939583B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15163529T PL2939583T3 (pl) 2014-05-02 2015-04-14 Sposób i urządzenie do wytwarzania worka do odkurzacza oraz worek do odkurzacza

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014106163.2A DE102014106163A1 (de) 2014-05-02 2014-05-02 Verfahren und Vorrichtung zur Herstellung eines Staubsaugerbeutels und Staubsaugerbeutel

Publications (2)

Publication Number Publication Date
EP2939583A1 EP2939583A1 (de) 2015-11-04
EP2939583B1 true EP2939583B1 (de) 2020-03-11

Family

ID=53016467

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15163529.9A Active EP2939583B1 (de) 2014-05-02 2015-04-14 Verfahren und vorrichtung zur herstellung eines staubsaugerbeutels und staubsaugerbeutel

Country Status (3)

Country Link
EP (1) EP2939583B1 (pl)
DE (1) DE102014106163A1 (pl)
PL (1) PL2939583T3 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106378964B (zh) * 2016-12-01 2018-09-04 南京沪江复合材料股份有限公司 一种液体袋的制作及泄漏检验方法
EP4364625A1 (de) * 2022-11-07 2024-05-08 Wolf PVG GmbH & Co. KG Staubsaugerbeutel und verfahren zur herstellung eines staubsaugerbeutels

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20101466U1 (de) * 2001-01-27 2001-04-19 Wolf GmbH, 32602 Vlotho In einen Staubsauger einsetzbare Filtereinrichtung
DE10359948A1 (de) * 2003-12-19 2005-07-14 Eurofilters N.V. Staubsammelfilter und Verfahren zur Standzeitverlängerung von Staubsammelfiltern
DE202005016309U1 (de) 2005-10-18 2005-12-15 Wolf Gmbh Staubsaugerbeutel
DE202006016303U1 (de) 2006-10-23 2006-12-21 Wolf Gmbh & Co. Kg Filterbeutel
DE202007000198U1 (de) * 2007-01-05 2007-03-08 Branofilter Gmbh Staubfilterbeutel für Staubsauger
DE202008016300U1 (de) 2008-12-10 2009-02-26 Wolf Pvg Gmbh & Co. Kg Staubsaugerbeutel
DK2359730T4 (da) * 2010-02-19 2019-11-11 Eurofilters Holding Nv Støvsugerfilterpose med sidefold

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL2939583T3 (pl) 2021-01-25
DE102014106163A1 (de) 2015-11-05
EP2939583A1 (de) 2015-11-04

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