EP3178360B1 - Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur - Google Patents

Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur Download PDF

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Publication number
EP3178360B1
EP3178360B1 EP15199696.4A EP15199696A EP3178360B1 EP 3178360 B1 EP3178360 B1 EP 3178360B1 EP 15199696 A EP15199696 A EP 15199696A EP 3178360 B1 EP3178360 B1 EP 3178360B1
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EP
European Patent Office
Prior art keywords
wall
vacuum cleaner
retaining plate
filter 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
EP15199696.4A
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German (de)
English (en)
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EP3178360A1 (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.)
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Publication date
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Application filed by Eurofilters NV filed Critical Eurofilters NV
Priority to ES15199696T priority Critical patent/ES2916748T3/es
Priority to EP15199696.4A priority patent/EP3178360B1/fr
Priority to DK16809066.0T priority patent/DK3386363T3/da
Priority to US16/060,746 priority patent/US10925450B2/en
Priority to ES16809066T priority patent/ES2972226T3/es
Priority to PL16809066.0T priority patent/PL3386363T3/pl
Priority to CN201680081239.3A priority patent/CN108697286B/zh
Priority to AU2016366505A priority patent/AU2016366505B2/en
Priority to PCT/EP2016/080568 priority patent/WO2017098035A1/fr
Priority to EP16809066.0A priority patent/EP3386363B1/fr
Publication of EP3178360A1 publication Critical patent/EP3178360A1/fr
Publication of EP3178360B1 publication Critical patent/EP3178360B1/fr
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    • 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 present invention relates to a method for producing an improved material bond between a holding plate and the wall of a vacuum cleaner filter bag.
  • the holding plate is not applied directly to the wall of the vacuum cleaner filter bag, but instead a textile material is arranged between the holding plate and the wall.
  • the bond between the holding plate and the wall of the vacuum cleaner filter bag is achieved via the textile material.
  • a film made of a thermoplastic material is arranged between the wall of the vacuum cleaner filter bag and the holding plate in some areas between the holding plate and the wall of the vacuum cleaner filter bag.
  • the connection between the holding plate and the wall of the vacuum cleaner filter bag is achieved via the foil.
  • the holding plate is connected directly to the wall of the vacuum cleaner filter bag.
  • the wall is in the form of a film, at least in the area in which the holding plate is applied formed from special thermoplastic materials-
  • the present invention also relates to vacuum cleaner filter bags in which the holding plate is integrally connected to the wall of the vacuum cleaner filter bag according to the above principles.
  • a vacuum cleaner bag holding plate to the non-woven fabric of a filter bag is done by gluing using a thermally activated adhesive (e.g. hotmelt) or by ultrasonic welding. Because of the short welding time and the high strength and process reliability of the welded joint, this is the preferred choice.
  • a thermally activated adhesive e.g. hotmelt
  • Direction indicators on the holding plate and structuring on the sonotrode or on the anvil further increase the performance of ultrasonic welding.
  • the DE 20 2008 002 010 U1 describes a filter bag for a vacuum cleaner, the filter bag having a dust collection bag which is connected to a holding plate which has a passage opening for a vacuum cleaner nozzle, which is provided with a seal made of a polymeric material.
  • the dust collection bag is glued and/or welded directly to the seal.
  • the DE 20 2008 004 025 U1 describes a filter, in particular a vacuum cleaner bag, with a filter material on which an inflow opening is provided, in which a sealing device for producing a seal with a socket is provided, which is arranged adjacent to a holding plate.
  • the sealing device has at least one elastic rubber layer with an opening through another more rigid Materialla ge is reinforced with an opening aligned with the opening of the rubber layer.
  • a vacuum cleaner filter bag a filter bag material that has an inner layer of fleece material at least in the area of the inlet opening, and a holding plate arranged on the outside of the filter bag in the area of the inlet opening, which can be attached to a holding device of a vacuum cleaner for holding the vacuum cleaner filter bag and on which a closure device for closing the inlet opening is provided, wherein the fleece material has a surface in the region of the inlet opening, which is provided in such a way that the formation of a filter cake on this surface is avoided.
  • the object of the present invention to specify reliable methods for connecting a holding plate to the wall of a vacuum cleaner filter bag, with which the aforementioned disadvantages can be avoided.
  • the bond between the retaining plate and the wall of the filter bag should be easy to implement, the bond produced should withstand high tensile loads, and the results obtained should also be reproducible.
  • the invention thus relates to a method for the integral connection of a holding plate to the wall of a vacuum cleaner filter bag.
  • the wall of the vacuum cleaner filter bag has a location provided for attaching the retaining plate. Depending on the configuration of the vacuum cleaner filter bag to be produced later from the wall of the vacuum cleaner filter bag, this location can be located at different points.
  • a material, non-positive or positive connection of the wall of the vacuum cleaner filter bag is produced with at least one, in particular exactly one layer of a textile material, and the Holding plate is pressed against the textile material side of the wall of the vacuum cleaner filter bag at the place of attachment. A material connection is then produced between the wall of the vacuum cleaner filter bag, the textile material and the retaining plate.
  • At least one layer of a textile material for example a A single layer of a textile material is applied to the wall of the vacuum cleaner filter bag at the attachment point of the holding plate and is connected there at least in certain areas to the wall of the vacuum cleaner filter bag.
  • the place of attachment is understood to mean the area of the wall of the vacuum cleaner filter bag on which the holding plate is later arranged, i.e. the area of the wall which is defined by the outline of the holding plate in projection onto the wall.
  • the application of the textile material can only take place in areas of the attachment location, so that only part of the surface on which the holding plate is later arranged is provided with a textile material.
  • This embodiment is particularly useful if it is only sufficient as a punctiform or regional reinforcement of the bond between the holding plate and the wall of the vacuum cleaner filter bag.
  • One or more strips of textile material can also be sufficient for reinforcement.
  • the area of the composite e.g. the weld, which is subject to the greatest stress, can be reinforced.
  • the area of the textile material prefferably be larger than the area of the attachment location, so that after the holding plate has been connected to the wall, textile material protrudes below the holding plate.
  • the at least regional connection of the textile material to the wall can be done, for example, by spot welding, spot gluing, but also by mechanical permanent or temporary fixations, such as clamp connections, etc.
  • the retaining plate is pressed onto the textile material in such a way that at least part of the surface of the retaining plate comes to rest on the textile material. It is also possible that the entire area of the holding plate is adapted to the textile material, in the event that the area of the Textile material is correspondingly large, ie at least as large as the base of the retaining plate.
  • a cohesive bond is produced between the wall of the vacuum cleaner filter bag and the retaining plate through the textile material.
  • This can be done, for example, by welding, in particular ultrasonic welding, or by gluing.
  • an adhesive is already applied to the textile material, the holding plate or the textile material and the holding plate before the holding plate is pressed onto the textile material.
  • a second variant of the first aspect of the invention provides that at least in some areas of the holding plate, a material, non-positive or positive connection of the holding plate with at least one, in particular exactly one layer of a textile material is produced, and the holding plate with the the side provided with the textile material is pressed against the wall of the vacuum cleaner filter bag at the place of attachment.
  • a cohesive bond is then produced between the wall and the textile material in the manner described above.
  • the textile material is fixed at least in certain areas to the retaining plate, the retaining plate is then pressed together with the textile material that is fixed at least in certain areas to the place of attachment on the wall of the vacuum cleaner filter bag and connected to it through the textile material.
  • the textile material can, for example, only be attached in areas of the holding plate, for example in such a way that the textile material does not fill the entire surface of the holding plate, or that an edge of the holding plate is surmounted by the textile material, but not the entire surface of the holding plate later attached to the wall is covered by the textile material. It is also possible for the textile material to cover the entire surface of the holding plate, also in such a way that the textile material protrudes beyond the edge of the holding plate.
  • a passage opening can be made in the textile material before or after application to the holding plate - in the event that it is arranged on the holding plate in such a way that the entry opening is partially or completely covered .
  • the passage opening can also be introduced after the connection between the holding plate and the wall of the vacuum cleaner filter bag has been produced.
  • connection of the textile material to the retaining plate can be carried out analogously to the explanations for connecting the textile material to the wall according to the first variant, i.e. also, for example, by spot welding, spot adhesion, but also via mechanical permanent or temporary fixations, such as clamp connections, etc.
  • the textile material can, for example, already be introduced into the injection mold and thus be connected to the holding plate directly during the injection molding process.
  • connection of the holding plate provided with the textile material is otherwise identical to the first variant, i. H. here, too, a corresponding gluing or welding of the retaining plate to the wall can be carried out via the textile material.
  • a third variant of the first aspect of the method according to the invention it is provided that at least one, in particular exactly one layer of a textile material is introduced between the wall of the vacuum cleaner filter bag and the holding plate, at least in some areas in the area of the attachment location of the holding plate, the holding plate together with the textile material on Place of attachment is pressed against the wall of the vacuum cleaner filter bag.
  • the textile material is introduced without prior fixation between the wall and the holding plate, for example inserted at the intended location; there is only a single binding process in which the holding plate is connected through the textile material to the wall of the vacuum cleaner filter bag.
  • the textile material can only be applied in areas of the attachment location in accordance with the above statements, so that only part of the surface on which the holding plate is later arranged is provided with a textile material. It is also possible to equip the entire area that defines the attachment point of the retaining plate with a textile material. It is also possible to select the area of the textile material to be larger than the area of the attachment location, so that after the holding plate has been connected to the wall, textile material protrudes below the holding plate.
  • the wall of the vacuum cleaner filter bag comprises or consists of or is formed from a thermoplastic material at least in the region of the attachment location of the retaining plate.
  • thermoplastic materials that come into question for the wall of the vacuum cleaner filter bag are polyolefins, in particular polyethylene, polypropylene or polystyrene, polyester, in particular PET, PBT, PC or PLA, thermoplastic elastomers, in particular TPE-O, TPE-V, TPE- U, TPE-E, TPE-S or TPE-A, poly(meth)acrylates, polyamides, polybenzimidazoles, polyethersulfones, polyetheretherketones, polyetherimides, polyphenylene oxides, polyphenylene sulfides and polytetrafluoroethylene and mixtures, blends or combinations thereof.
  • the wall of the vacuum cleaner filter bag can be formed, for example, as a film or as a non-woven material, at least in the area where the holding plate is attached.
  • the textile material comprises or consists of or is formed from thermoplastic fibers and/or thermoplastic filaments.
  • thermoplastic fibers or filaments of the textile material can be formed from the same or different materials that were previously mentioned for the wall of the vacuum cleaner filter bag.
  • At least the support side of the holding plate comprises a thermoplastic material at least in regions or consists or is formed entirely of a thermoplastic material or the entire holding plate consists or is formed of a thermoplastic material.
  • thermoplastic materials mentioned above for the wall of the vacuum cleaner filter bag are also particularly suitable for the purposes of the retaining plate.
  • the materials of the holding plate can represent the same or different materials that are used for the wall of the vacuum cleaner filter bag or the textile material.
  • thermoplastic materials of the textile material thus melt sooner, i.e. at lower temperatures, than the thermoplastic materials of the wall and/or the holding plate and/or have a lower viscosity at the same temperature. Due to the better melting and/or the low viscosity of the melt of these materials, improved wetting of the wall and the holding plate is effected, especially in the case of a welded joint, so that a significant improvement in the bond between the holding plate and the wall of the vacuum cleaner filter bag can be observed.
  • thermoplastic material for the wall of the vacuum cleaner filter bag is polyolefins, in particular polypropylene or polyethylene, polyester or - in the event that the wall is designed as a film laminate at least at the place of attachment - thermoplastic polymers, in particular TPE or TPU as the layer of this laminate facing the holding plate to call.
  • polyolefins such as polypropylene or polyethylene or polyester, in particular PET, are used as materials for the holding plate.
  • the materials that are particularly suitable for the textile material are preferably thermoplastic elastomers such as TPE or TPU.
  • the textile material it is also possible for the textile material to be formed from the same thermoplastics as the retaining plate or the wall; in this case, however, it is preferred, as described above, if the thermoplastic material has a lower melting point. If, for example, both the wall, the holding plate and the textile material are made of PP, it is advantageous to use a type of PP for the textile material that has a lower melting point and/or a higher MFI than the PP Grades used for retaining plate and wall.
  • the textile material is selected from the group consisting of non-woven fabrics, nets, woven fabrics, knitted fabrics, scrims, crocheted fabrics, braids, stitch-knitted fabrics and felts and combinations thereof.
  • Nonwovens and nets (nettings) are particularly preferred here, spunbonded nonwovens and carded nonwovens being particularly preferred among the nonwovens.
  • the textile material is flat and in particular has a basis weight of 5 to 200 g/m 2 , preferably 10 to 100 g/m 2 , particularly preferably 15 to 50 g/m 2 .
  • the advantages of the present invention come into play in particular when the wall of the vacuum cleaner filter bag, at least in the area in which the holding plate is to be fixed, as a film made of a thermoplastic material, a film laminate, in which at least the side on which the holding plate is applied is made of a thermoplastic material, or is formed of a non-woven fabric made of a thermoplastic material.
  • the smooth surface of the foil makes it difficult to securely weld a retaining plate to the foil. It is assumed that, particularly during the welding process, the film or film laminate cannot be completely wetted. Surprisingly, the wetting of the film or film laminate in particular can be improved if a textile material is arranged between the holding plate and the film or film laminate. It is particularly preferred here if the textile material itself consists of a thermoplastic material, in particular of a thermoplastic elastomer, and also melts, for example, during the welding process. In this way, significantly better wetting of the film can be achieved, so that the resulting maximum tensile force, which can act on the retaining plate before the retaining plate is partially or completely torn off, can be significantly improved.
  • an inlet opening contained in the holding plate, into which a vacuum cleaner socket can be inserted, for example, is arranged flush with the bag inlet opening and the passage opening.
  • the geometric shape of the textile material can depend on the weld seam geometry to be achieved.
  • the weld seam is typically round and has a width of a few mm to cm. It is therefore sufficient to position a corresponding ring made of textile material between the film and the holding plate and to connect it to the film and the holding plate in one step using the known ultrasonic welding process.
  • the textile material can, for. B. be formed as a strip of material that can be wider than the desired weld to facilitate positioning.
  • the diameter of the bag inlet opening of the wall of the vacuum cleaner filter bag and/or the passage opening of the textile material can be dimensioned smaller or the same size as the inlet opening of the holding plate.
  • This embodiment provides that either the bag inlet opening of the wall of the vacuum cleaner filter bag, or the through-opening of the textile material, or the bag inlet opening of the wall of the vacuum cleaner filter bag and the through-opening of the textile material are dimensioned smaller in diameter than the inlet opening of the holding plate.
  • This resulting overhang in the direction of the recess (filling hole) forms a seal that can be used to seal the nozzle of the vacuum cleaner to be inserted through the inlet opening of the holding plate into the interior of the resulting vacuum cleaner filter bag.
  • a good sealing effect can be observed in particular with a smaller dimensioning of the passage opening of the textile material (and possibly also the bag inlet opening of the wall of the vacuum cleaner filter bag).
  • the textile material can additionally be connected, for example welded, to the wall of the vacuum cleaner filter bag in the region of this overhang. However, it is also possible to leave the textile material unconnected to the wall of the vacuum cleaner filter bag in this area.
  • At least one flat sealing element which is preferably made of TPE or TPU, is introduced at the attachment point of the holding plate on the inside of the wall of the vacuum cleaner filter bag, between the wall of the vacuum cleaner filter bag and the textile material and/or between the textile material and the holding plate is formed and has a through-opening which is arranged flush with the through-opening of the holding plate, but has a smaller diameter than the diameter of the through-opening of the holding plate.
  • the contact side of the holding plate is structured at least in regions and/or has direction indicators for ultrasound.
  • a directional indicator can be formed, for example, as a raised groove on the attachment side of the retaining plate.
  • the wall of the vacuum cleaner filter bag is designed as a film or film laminate at least in the area where the holding plate is attached, the film or film laminate is structured at least at the attachment point, in particular high-low structured, such as knurled.
  • the film used can also be a laminate of two different thermoplastics.
  • the layer of the laminate that can be activated more easily by ultrasound points towards the holding plate. If this layer is a TPE, for example, and the holding plate with the in the EP2311358 A1 equipped with the TPE welding aid described above, a particularly good connection is achieved. In this case, too, the additional introduction of a textile material is advantageous.
  • a further particularly preferred embodiment provides that on the wall, at least in the attachment location of the retaining plate, on the wall and/or on the side of the textile material facing the wall and/or on the side of the textile material facing the retaining plate, a thermoplastic elastomer, such as in particular TPE-O, TPE-V, TPE-U, TPE-E, TPE-S or TPE-A is applied, for example via a printing process, in particular by means of functional screen printing.
  • the thermoplastic elastomer can be applied to the respective surface in the form of nubs or concentric circles, for example.
  • the present invention relates to a further method for cohesively connecting a holding plate to the wall of a vacuum cleaner filter bag at an attachment location provided for this purpose.
  • no textile material is used between the retaining plate and the wall to reinforce the composite, but rather a film made of a thermoplastic material, which is only used in one area of the attachment site.
  • the second aspect of the method according to the invention is also designed in three variants.
  • a material, non-positive or form-fitting connection is made in certain areas in the area of the mounting location of the holding plate Bonding of the wall of the vacuum cleaner filter bag with at least one, in particular precisely one layer of film made of a thermoplastic material, the retaining plate pressed against the side of the wall of the vacuum cleaner filter bag provided with the film at the place of attachment and then a bonded bond between the wall of the vacuum cleaner filter bag and the film and the holding plate made.
  • a material, non-positive or positive connection of the holding plate with at least one, in particular exactly one layer of a film made of a thermoplastic material is produced in certain areas on the holding plate, at least in areas, and the holding plate with the side provided with the film on Place of attachment pressed against the wall of the vacuum cleaner filter bag and then a cohesive bond between the wall of the vacuum cleaner filter bag, the film and the retaining plate is produced.
  • At least one layer, in particular exactly one layer, of a film made of a thermoplastic material is inserted between the wall of the vacuum cleaner filter bag and the retaining plate in the region of the attachment point of the retaining plate, the retaining plate together with the film is pressed against the wall of the vacuum cleaner filter bag at the attachment point and then a material connection between the wall of the vacuum cleaner filter bag, the foil and the retaining plate is produced.
  • the film is preferably formed from a thermoplastic material which has a melting temperature which is lower than or equal to, preferably lower, particularly preferably at least 10 °C lower, in particular at least 20 °C lower than the melting temperature of the thermoplastic material of the wall of the Vacuum cleaner filter bag and/or as the melting temperature of the thermoplastic material of the holding plate (5), the melting temperature being determined in each case according to ISO 11357, and/or having a melt flow index (melt flow rate (MFR)) which is greater than or equal to, preferably greater than is particularly preferably greater by a factor of 10 to 20 than the melt flow index of the thermoplastic material of the wall (1) of the vacuum cleaner filter bag and/or than the melt flow index of the thermoplastic material of the holding plate (5), the melt flow index being determined in each case according to ISO 1133 a rated load of 2.16 kg and a temperature of 230 °C.
  • MFR melt flow rate
  • the materials that can be used in particular for the film correspond to the materials that were mentioned as preferred materials for the textile materials mentioned above.
  • the film that is introduced between the holding plate and the wall is preferably designed as a strip of material.
  • the film is not arranged in the area of the inlet opening of the holding plate or the bag inlet opening of the wall of the vacuum cleaner filter bag, but more preferably in the edge area of the mounting location of the holding plate.
  • the area in which the film is arranged makes up preferably 5 to 70%, more preferably 10 to 50%, particularly preferably 15 to 25% of the area of the attachment site of the holding plate.
  • the film placed between the wall and the retaining plate can be continuous or slotted and/or perforated.
  • thermoplastic elastomer such as in particular TPE-O, TPE-V, TPE-U, TPE-E, TPE-S or TPE-A is applied, for example via a printing process, in particular by means of functional screen printing.
  • the thermoplastic elastomer can be applied to the respective surface in the form of nubs or concentric circles, for example.
  • this second aspect of the invention is identical to the first aspect.
  • connection options with which the film can be connected to the wall or the retaining plate at least in some areas correspond to those that have already been discussed in the first aspect of the present invention.
  • spot or full-area welding or gluing come into question here.
  • the final production of the bond between the wall, film and retaining plate also takes place analogously to the production of the bond between the wall, textile material and retaining plate according to the first aspect of the invention.
  • a third aspect of the present invention relates to a further method for cohesively connecting a holding plate to the wall of a vacuum cleaner filter bag at an attachment location provided for this purpose.
  • no additional material is introduced between the wall and the retaining plate.
  • the holding plate is connected directly to the wall of the vacuum cleaner filter bag.
  • thermoplastic materials of the film or the side of the film facing the retaining plate thus melt more readily, ie at lower temperatures, than the thermoplastic materials of the retaining plate and/or have a lower viscosity at the same temperature. Due to the better melting and/or the low viscosity of the melt of these materials, improved wetting of the wall—in this case the film—and the holding plate is effected, particularly in the case of a welded joint, so that a more significant Improvement of the bond between the retaining plate and the wall of the vacuum cleaner filter bag can be observed.
  • thermoplastic material for the film of the wall of the vacuum cleaner filter bag is polyolefins, in particular polypropylene or polyethylene, polyester or - in the event that the wall is designed as a film laminate at least at the point of attachment - thermoplastic polymers, in particular TPE or TPU as the layer facing the holding plate of this laminate.
  • polyolefins such as polypropylene or polyethylene or polyester, in particular PET, are used as materials for the holding plate.
  • thermoplastic elastomers such as TPE or TPU.
  • the film or the film laminate it is also possible for the film or the film laminate to be formed from the same thermoplastic as the retaining plate or the wall. In this case, however, it is preferred, as described above, if the thermoplastic material has a lower melting point. If, for example, both the retaining plate and the film or the film laminate are made of PP, it is advantageous to use a PP type for the film or the film laminate that has a lower melting point and/or a higher MFI. like the PP grades used for the backing plate and wall.
  • thermoplastic elastomer such as in particular TPE-O, TPE-V, TPE-U, TPE-E, TPE -S or TPE-A is applied, for example via a printing process, in particular by means of functional screen printing.
  • the thermoplastic elastomer can be applied to the respective surface in the form of nubs or concentric circles, for example.
  • the holding plate can also have a closure flap that protrudes through the bag inlet opening into the interior of the vacuum cleaner filter bag and by means of which the bag inlet opening can be closed from the inside.
  • This flap can, for example, have a spring, by means of which the bag inlet opening can be self-sealed with the flap.
  • the present invention relates to a vacuum cleaner filter bag, comprising a wall with an attachment point for a retaining plate, and a retaining plate which is materially connected to the wall at the attachment point and which is connected to the wall at least in regions via at least one, in particular precisely one layer of textile material.
  • the wall of the vacuum cleaner filter bag is made of a film made of a thermoplastic material, a film laminate, in which at least the side to which the holding plate is attached is made of a thermoplastic material, or of a nonwoven fabric made of a thermoplastic material is formed.
  • the wall of the vacuum cleaner filter bag has a bag inlet opening in the area of the attachment location
  • the textile material has a through-opening
  • the retaining plate has an inlet opening, with the bag inlet opening, through-opening and inlet opening being aligned one above the other, in particular that the bag inlet opening and/or the through-opening in the Diameter are smaller or the same size as the input opening.
  • At least one flat sealing element preferably made of TPE, is placed at the attachment point of the retaining plate on the inside of the wall of the vacuum cleaner filter bag, between the wall of the vacuum cleaner filter bag and the textile material and/or between the textile material and the retaining plate or TPU and which has a through-opening which is arranged flush with the through-opening of the holding plate, but has a smaller diameter than the diameter of the through-opening of the holding plate.
  • the invention also relates to a vacuum cleaner filter bag, comprising a wall with an attachment point for a retaining plate, and a retaining plate which is materially connected to the wall at the attachment point and which is connected to the wall in some areas via at least one, in particular exactly one layer of a film made of a thermoplastic material .
  • the vacuum cleaner filter bag according to this variant is essentially identical to the previously mentioned embodiment, apart from the fact that the holding plate is connected to the wall of the filter bag via a film that is only provided in certain areas at the attachment location.
  • the preferred passage opening is made in the film.
  • the vacuum cleaner filter bags according to all embodiments can be made from the walls described at the outset and produced according to the invention be made up using production methods known from the prior art, for example as a flat bag or as a block-bottom bag.
  • figure 1 shows a first method according to the invention for producing a wall according to the invention, having an inlet opening, for a vacuum cleaner filter bag.
  • a wall 1 of a vacuum cleaner filter bag is provided.
  • the wall can be a nonwoven material or a film, for example.
  • laminates made of nonwovens or foils are conceivable. These materials can, for example, be provided from rolls and unwound endlessly.
  • Figure 1a (as well as in all the following figures), only a small section of the material of the wall 1 of the vacuum cleaner filter bag is shown.
  • Figure 1b shows the state after a textile material 2 has been applied to one side of the wall 1 of the vacuum cleaner filter bag by means of four separate individual welding points 3. The remaining surface of the textile material 2 is loose and not connected to the wall of the filter bag.
  • the textile material 2 can also be bonded to the wall 1 of the vacuum cleaner filter bag at certain points. It is also possible to connect the textile material 2 to the wall 1 of the vacuum cleaner filter bag over the entire surface, for example by welding or gluing.
  • Figure 1d shows the state after a holding plate 5 with an associated inlet opening 6 has been applied in alignment to the common opening (4, 4') of the composite of wall 1 of the filter material and textile material 2. It can be seen that the passage opening 6 of the holding plate 5 has a larger diameter than the common opening (4, 4') of the wall of the filter bag and the textile material. This overhang, which is visible inside the inlet opening of the holding plate, acts as a seal for a vacuum cleaner socket to be inserted through the inlet opening 6 of the holding plate 5 .
  • the joint bond between the holding plate 5 and the wall 1 of the vacuum cleaner filter bag via the textile material 2 is achieved, for example, by an ultrasonic welding process in which ultrasound is introduced into the holding plate by means of a sonotrode and anvil.
  • the weld seam can, for example, be annular around the inlet opening 6 of the holding plate 5, but it is also possible to weld the holding plate 5 only at certain points via the textile material 2 to the wall 1 of the vacuum cleaner filter bag. It is also possible to weld the holding plate 5 to the wall 1 of the vacuum cleaner filter bag over the entire surface via the textile material 2 .
  • Both the wall 1, the textile material 2 and the retaining plate 5 are formed from thermoplastic materials in this example.
  • figure 2 shows a further embodiment for the production of a vacuum cleaner filter bag according to the invention.
  • the textile material is smaller in size.
  • the textile material is only fixed to the wall 1 of the vacuum cleaner filter bag at two points 3 (for example by welding or gluing).
  • the holding plate 5 When the holding plate 5 is superimposed, with the inlet opening of the holding plate 6 also being brought into alignment with the bag inlet opening 4 , the holding plate 5 thus only rests on the textile material 2 in certain areas.
  • the textile material 2 With the wall 1 of the vacuum cleaner filter bag (for example via a welding process), only the area in which the textile material 2 is present is particularly reinforced. This is sufficient, for example, if there is a known tensile load on the vacuum cleaner filter bag.
  • figure 3 shows a further embodiment of a method according to the invention for producing a vacuum cleaner filter bag according to the invention.
  • Figure 3a is identical to Figure 1a ) or.
  • Figure 2a the material of the wall of the vacuum cleaner filter bag is designed as a non-woven fabric.
  • a recess A is made in the wall 1 of the vacuum cleaner filter bag. This can be done, for example, by punching out or cutting out.
  • thermoplastic film F covering the recess A is now fixed to the wall 1 of the vacuum cleaner filter bag, for example by welding or gluing, on the rear side of the wall 1 of the vacuum cleaner filter bag shown in perspective.
  • a textile material 2 is fixed to the film F, for example by means of four spot welds 3 .
  • the mounting plate 5 with the inlet opening 6 After the mounting plate 5 with the inlet opening 6 has been applied, the mounting plate is fixed by the textile material 2 to the film F, which forms the wall 1 of the vacuum cleaner filter bag in this area.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Filtering Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (18)

  1. Procédé pour relier par liaison de matière une plaque de retenue (5) à la paroi (1) d'un sac filtrant d'aspirateur à un emplacement de fixation prévu à cet effet, dans lequel
    a) au moins par endroits, dans la zone de l'emplacement de fixation de la plaque de retenue (5), un assemblage (3) par liaison de matière, adhérence ou complémentarité de forme de la paroi (1) du sac filtrant d'aspirateur avec au moins une et en particulier exactement une couche d'un matériau textile (2) est réalisé, la plaque de retenue (5) est pressée contre le côté pourvu du matériau textile (2) de la paroi du sac filtrant d'aspirateur à l'emplacement de fixation, ou
    b) au moins par endroits, sur la plaque de retenue (5), un assemblage par liaison de matière, adhérence ou complémentarité de forme de la plaque de retenue (5) avec au moins une et en particulier exactement une couche d'un matériau textile (2) est réalisé, et la plaque de retenue (5) est pressée avec le côté pourvu du matériau textile (2) contre la paroi (1) du sac filtrant d'aspirateur à l'emplacement de fixation, ou
    c) au moins une et en particulier exactement une couche d'un matériau textile (2) est introduite entre la paroi (1) du sac filtrant d'aspirateur et la plaque de retenue (5) au moins par endroits dans la zone de l'emplacement de fixation de la plaque de retenue (5), la plaque de retenue (5) est pressée avec le matériau textile (2) contre la paroi (1) du sac filtrant d'aspirateur à l'emplacement de fixation,
    puis un assemblage par liaison de matière est réalisé entre la paroi (1) du sac filtrant d'aspirateur, le matériau textile (2) et la plaque de retenue (5).
  2. Procédé selon la revendication 1, caractérisé en ce que
    la paroi (1) du sac filtrant d'aspirateur comprend ou est constituée ou formée d'un matériau thermoplastique au moins dans la zone de l'emplacement de fixation de la plaque de retenue (5),
    le matériau textile (2) comprend ou est constitué ou formé de fibres thermoplastiques et/ou de filaments thermoplastiques, et/ou
    au moins la face de support de la plaque de retenue (5) comprend ou est entièrement constituée ou formée au moins par endroits d'un matériau thermoplastique ou l'ensemble de la plaque de retenue (5) est constitué ou formé d'un matériau thermoplastique.
  3. Procédé selon l'une des deux revendications précédentes, caractérisé en ce que le matériau thermoplastique de la paroi (1) du sac filtrant d'aspirateur, le matériau à partir duquel les fibres thermoplastiques et/ou les filaments thermoplastiques du matériau textile (2) sont formés et/ou le matériau thermoplastique de la plaque de retenue (5) sont choisis chacun indépendamment les uns des autres dans le groupe constitué par les polyoléfines, en particulier le polyéthylène, le polypropylène ou le polystyrène, les poly(méth)acrylates, les polyamides, les polyesters, en particulier le PET, le PBT, le PC ou le PLA, les élastomères thermoplastiques (TPE), en particulier les TPE-O, TPE-V, TPE-U, TPE-E, TPE-S ou TPE-A, les polybenzimidazoles, les polyéthersulfones, les polyétheréthercétones, les polyétherimides, les oxydes de polyphénylène, les sulfures de polyphénylène et le polytétrafluoroéthylène, ainsi que des mélanges ou combinaisons de ceux-ci.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que le matériau textile (2) est choisi dans le groupe constitué par les non-tissés, les filets, les tissus tissés, les tissus maillés, les nappes, les tricots, les tresses, les tissus obtenus par couture-tricotage et les feutres, ainsi que des combinaisons de ceux-ci.
  5. Procédé selon la revendication précédente, caractérisé en ce que le non-tissé est choisi dans le groupe constitué par les non-tissés filés et les non-tissés cardés.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que le matériau textile (2) est plat et présente en particulier un grammage de 5 à 200 g/m2, de préférence de 10 à 100 g/m2, plus préférablement de 15 à 50 g/m2.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que la paroi (1) du sac filtrant d'aspirateur est formée, au moins à l'emplacement de fixation de la plaque de retenue (5), d'une feuille (F) en matériau thermoplastique, d'un stratifié de feuilles dans lequel au moins le côté sur lequel la plaque de retenue (5) est appliquée est constitué d'un matériau thermoplastique, ou d'un non-tissé constitué d'un matériau thermoplastique.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que
    a) la liaison au moins par endroits de la paroi (1) du sac filtrant d'aspirateur au matériau textile (2) par liaison de matière, adhérence ou complémentarité de forme,
    b) la liaison au moins par endroits de la plaque de retenue (5) au matériau textile (2) par liaison de matière, adhérence ou complémentarité de forme, et/ou
    c) la réalisation finale de l'assemblage par liaison de matière entre la paroi (1) du sac filtrant d'aspirateur, le matériau textile (2) et la plaque de retenue (5)
    s'effectue au moyen d'une opération de soudage, en particulier d'une opération de soudage par ultrasons ou d'une opération de collage, en particulier au moyen d'une colle liquide, d'une colle à deux composants ou d'une colle pouvant être liquéfiée thermiquement.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que
    la paroi (1) du sac filtrant d'aspirateur présente dans la zone de l'emplacement de fixation une ouverture d'entrée de sac (4), le matériau textile (2) une ouverture de passage (4) et la plaque de retenue (5) une ouverture d'entrée (6), dans lequel l'ouverture d'entrée de sac (4), l'ouverture de passage (4) et l'ouverture d'entrée (6) sont amenées à coïncider les unes avec les autres, ou une ouverture d'entrée de sac (4) est pratiquée dans la paroi (1) du sac filtrant d'aspirateur dans la zone de l'emplacement de fixation et/ou une ouverture de passage (4) est pratiquée dans le matériau textile (2), et l'ouverture d'entrée de sac (4), l'ouverture de passage (4) et l'ouverture d'entrée (6) de la plaque de retenue (5) sont amenées à coïncider les unes avec les autres.
  10. Procédé selon la revendication précédente, caractérisé en ce que le diamètre de l'ouverture d'entrée de sac (4) et/ou de l'ouverture de passage (4) est inférieur ou égal au diamètre de l'ouverture d'entrée (6).
  11. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'à l'emplacement de fixation de la plaque de retenue (5), au moins un élément d'étanchéité plat est disposé sur la face intérieure de la paroi (1) du sac filtrant d'aspirateur, entre la paroi (1) du sac filtrant d'aspirateur et le matériau textile (2) et/ou entre le matériau textile (2) et la plaque de retenue (5), lequel élément d'étanchéité est de préférence constitué de TPE ou de TPU et présente une ouverture de passage qui coïncide avec l'ouverture de passage de la plaque de retenue (5) mais présente un diamètre inférieur au diamètre de l'ouverture de passage de la plaque de retenue (5).
  12. Procédé selon l'une des revendications précédentes, caractérisé en ce que
    la face de support de la plaque de retenue (5) est structurée au moins par endroits et/ou présente des capteurs de direction pour ultrasons, et/ou, dans le cas où la paroi (1) du sac filtrant d'aspirateur est réalisée sous la forme d'une feuille (F) ou d'un stratifié de feuilles au moins dans la zone de l'emplacement de fixation de la plaque de retenue (5), la feuille (F) ou le stratifié de feuilles est structuré(e) au moins à l'emplacement de fixation, en particulier structuré(e) en profondeur, par exemple moleté(e).
  13. Procédé pour relier par liaison de matière une plaque de retenue (5) à la paroi (1) d'un sac filtrant d'aspirateur à un emplacement de fixation prévu à cet effet, dans lequel
    a) au moins par endroits, dans la zone de l'emplacement de fixation de la plaque de retenue (5), un assemblage (3) par liaison de matière, adhérence ou complémentarité de forme de la paroi (1) du sac filtrant d'aspirateur avec au moins une et en particulier exactement une couche d'une feuille (F) en matériau thermoplastique est réalisé, la plaque de retenue (5) est pressée contre le côté pourvu de la feuille de la paroi du sac filtrant d'aspirateur à l'emplacement de fixation, ou
    b) au moins par endroits, sur la plaque de retenue (5), un assemblage par liaison de matière, adhérence ou complémentarité de forme de la plaque de retenue (5) avec au moins une et en particulier exactement une couche d'une feuille (F) en matériau thermoplastique est réalisé, et la plaque de retenue (5) est pressée avec le côté pourvu de la feuille (F) contre la paroi (1) du sac filtrant d'aspirateur à l'emplacement de fixation, ou
    c) au moins une et en particulier exactement une couche d'une feuille (F) en matériau thermoplastique est introduite entre la paroi (1) du sac filtrant d'aspirateur et la plaque de retenue (5) par endroits dans la zone de l'emplacement de fixation de la plaque de retenue (5), la plaque de retenue (5) est pressée avec la feuille contre la paroi (1) du sac filtrant d'aspirateur à l'emplacement de fixation,
    puis un assemblage par liaison de matière est réalisé entre la paroi (1) du sac filtrant d'aspirateur, la feuille (F) et la plaque de retenue (5).
  14. Sac filtrant d'aspirateur, comprenant une paroi (1) avec un emplacement de fixation pour une plaque de retenue (5), ainsi qu'une plaque de retenue (5) reliée à la paroi (1) par liaison de matière à l'emplacement de fixation, laquelle plaque de retenue est reliée à la paroi (1) au moins par endroits par une couche d'un matériau textile (2).
  15. Sac filtrant d'aspirateur selon la revendication précédente, caractérisé en ce que la paroi (1) du sac filtrant d'aspirateur est formée, au moins à l'emplacement de fixation de la plaque de retenue (5), d'une feuille (F) en matériau thermoplastique, d'un stratifié de feuilles dans lequel au moins le côté sur lequel la plaque de retenue (5) est appliquée est constitué d'un matériau thermoplastique ou d'un non-tissé constitué d'un matériau thermoplastique.
  16. Sac filtrant d'aspirateur selon l'une des deux revendications précédentes, caractérisé en ce que la paroi (1) du sac filtrant d'aspirateur présente dans la zone de l'emplacement de fixation une ouverture d'entrée de sac (4), le matériau textile une ouverture de passage (4') et la plaque de retenue (5) une ouverture d'entrée (6), dans lequel l'ouverture d'entrée de sac (4), l'ouverture de passage (4') et l'ouverture d'entrée (6) sont amenées à coïncider les unes avec les autres, en particulier en ce que le diamètre de l'ouverture d'entrée de sac (4) et/ou de l'ouverture de passage (4') est inférieur ou égal au diamètre de l'ouverture d'entrée (6).
  17. Sac filtrant d'aspirateur selon l'une des revendications 14 à 16, caractérisé en ce qu'à l'emplacement de fixation de la plaque de retenue (5), au moins un élément d'étanchéité plat est disposé sur la face intérieure de la paroi (1) du sac filtrant d'aspirateur, entre la paroi (1) du sac filtrant d'aspirateur et le matériau textile (2) et/ou entre le matériau textile (2) et la plaque de retenue (5), lequel élément d'étanchéité est de préférence constitué de TPE ou de TPU et présente une ouverture de passage qui coïncide avec l'ouverture de passage (6) de la plaque de retenue (5) mais présente un diamètre inférieur au diamètre de l'ouverture de passage (6) de la plaque de retenue (5).
  18. Sac filtrant d'aspirateur, comprenant une paroi (1) avec un emplacement de fixation pour une plaque de retenue (5), ainsi qu'une plaque de retenue (5) reliée à la paroi (1) par liaison de matière à l'emplacement de fixation, laquelle plaque de retenue est reliée à la paroi (1) par endroits par une couche d'une feuille (F) en matériau thermoplastique.
EP15199696.4A 2015-12-12 2015-12-12 Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur Active EP3178360B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ES15199696T ES2916748T3 (es) 2015-12-12 2015-12-12 Procedimiento para producir una unión por material entre una placa de retención y la pared de una bolsa de filtro de aspiradora, así como bolsa de filtro de aspiradora
EP15199696.4A EP3178360B1 (fr) 2015-12-12 2015-12-12 Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur
CN201680081239.3A CN108697286B (zh) 2015-12-12 2016-12-12 用于将吸尘器过滤袋的保持板与壁部材料接合地连接的方法以及吸尘器过滤袋
US16/060,746 US10925450B2 (en) 2015-12-12 2016-12-12 Method for integral connection of a retaining plate to the wall of a vacuum cleaner filter bag and also vacuum cleaner filter bag
ES16809066T ES2972226T3 (es) 2015-12-12 2016-12-12 Procedimiento para conectar por unión de materiales una placa de sujeción a la pared de una bolsa de filtro de aspiradora y bolsa de filtro de aspiradora
PL16809066.0T PL3386363T3 (pl) 2015-12-12 2016-12-12 Sposób łączenia połączeniem spajanym płytki mocującej ze ścianką worka filtracyjnego i worek filtracyjny do odkurzacza
DK16809066.0T DK3386363T3 (da) 2015-12-12 2016-12-12 Fremgangsmåde til at forbinde en holdeplade materialesluttende til væggen af en støvsugerfilterpose samt støvsugerfilterpose
AU2016366505A AU2016366505B2 (en) 2015-12-12 2016-12-12 Method for integrally connecting a retaining plate to the wall of a vacuum-cleaner filter bag, and vacuum-cleaner filter bag
PCT/EP2016/080568 WO2017098035A1 (fr) 2015-12-12 2016-12-12 Procédé pour effectuer une liaison de matière entre une plaque de retenue et la paroi d'un sac filtrant d'aspirateur et sac filtrant d'aspirateur
EP16809066.0A EP3386363B1 (fr) 2015-12-12 2016-12-12 Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15199696.4A EP3178360B1 (fr) 2015-12-12 2015-12-12 Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur

Publications (2)

Publication Number Publication Date
EP3178360A1 EP3178360A1 (fr) 2017-06-14
EP3178360B1 true EP3178360B1 (fr) 2022-03-16

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EP15199696.4A Active EP3178360B1 (fr) 2015-12-12 2015-12-12 Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur
EP16809066.0A Active EP3386363B1 (fr) 2015-12-12 2016-12-12 Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur

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EP16809066.0A Active EP3386363B1 (fr) 2015-12-12 2016-12-12 Procede de liaison interposee d'une plaque de support et d'une paroi d'un sac d'aspirateur et sac d'aspirateur

Country Status (8)

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US (1) US10925450B2 (fr)
EP (2) EP3178360B1 (fr)
CN (1) CN108697286B (fr)
AU (1) AU2016366505B2 (fr)
DK (1) DK3386363T3 (fr)
ES (2) ES2916748T3 (fr)
PL (1) PL3386363T3 (fr)
WO (1) WO2017098035A1 (fr)

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RU2694075C1 (ru) * 2016-05-09 2019-07-09 Актиеболагет Электролюкс Пылесборник для пылесоса
ES2876182T3 (es) 2018-02-23 2021-11-12 Eurofilters Holding Nv Placa de sujeción con elemento de junta
DE202018102370U1 (de) 2018-04-27 2018-05-04 Eurofilters Holding N.V. Staubsaugerfilterbeutel mit Folie im Bereich der Halteplatte
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
PL3669734T3 (pl) * 2018-12-17 2021-07-05 Eurofilters Holding N.V. Worek filtracyjny do odkurzacza mający spoinę zgrzewaną o ulepszonej wytrzymałości
EP3821777A1 (fr) * 2019-11-12 2021-05-19 Eurofilters Holding N.V. Sac filtrant d'aspirateur pour un aspirateur à main
EP3821776A1 (fr) * 2019-11-12 2021-05-19 Eurofilters Holding N.V. Sac filtrant d'aspirateur pour un aspirateur à main

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Also Published As

Publication number Publication date
US10925450B2 (en) 2021-02-23
AU2016366505B2 (en) 2022-07-14
EP3178360A1 (fr) 2017-06-14
EP3386363B1 (fr) 2024-01-31
CN108697286A (zh) 2018-10-23
DK3386363T3 (da) 2024-02-19
ES2972226T3 (es) 2024-06-11
CN108697286B (zh) 2021-05-18
AU2016366505A1 (en) 2018-06-28
EP3386363A1 (fr) 2018-10-17
WO2017098035A1 (fr) 2017-06-15
ES2916748T3 (es) 2022-07-05
PL3386363T3 (pl) 2024-08-05
US20180368635A1 (en) 2018-12-27

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