EP3386363A1 - 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 - Google Patents

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

Info

Publication number
EP3386363A1
EP3386363A1 EP16809066.0A EP16809066A EP3386363A1 EP 3386363 A1 EP3386363 A1 EP 3386363A1 EP 16809066 A EP16809066 A EP 16809066A EP 3386363 A1 EP3386363 A1 EP 3386363A1
Authority
EP
European Patent Office
Prior art keywords
holding plate
wall
filter bag
vacuum cleaner
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.)
Granted
Application number
EP16809066.0A
Other languages
German (de)
English (en)
Other versions
EP3386363B1 (fr
Inventor
Jan Schultink
Ralf Sauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eurofilters NV
Original Assignee
Eurofilters NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Eurofilters NV filed Critical Eurofilters NV
Publication of EP3386363A1 publication Critical patent/EP3386363A1/fr
Application granted granted Critical
Publication of EP3386363B1 publication Critical patent/EP3386363B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—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 methods for producing an improved cohesive bond of a holding plate with the wall of a
  • Vacuum cleaner filter bag According to a first variant, the holding plate is not applied directly to the wall of the vacuum cleaner filter bag, but arranged between the holding plate and the wall, a textile material. The composite of the holding plate and the wall of the vacuum cleaner filter bag takes place via the textile material. According to a second variant, a film of a thermoplastic material between the wall of the vacuum cleaner filter bag and retaining plate is partially arranged between the holding plate and the wall of the vacuum cleaner filter bag. The composite of the holding plate and the wall of the vacuum cleaner filter bag takes place via the film. According to a third variant, the holding plate is connected directly to the wall of the vacuum cleaner filter bag. The wall is at least in the area in which the holding plate is applied
  • the present invention also relates to vacuum cleaner filter bags in which the holding plate is materially connected to the wall of the vacuum cleaner filter bag according to the above principles.
  • a vacuum cleaner bag holding plate to the nonwoven fabric of a filter bag is accomplished by gluing by means of a thermally activatable adhesive (e.g.
  • Hot melt or by ultrasonic welding. Because of the short welding time and the high strength and process reliability of the welded joint, this is preferably used.
  • Directional sensors on the holding plate as well as structuring on the sonotrode or on the anvil further increase the perfor- mance of the ultrasonic welding.
  • Filter bag especially if it consists of foil to produce.
  • the welding can be further complicated if the holding plate has a mechanism for automatically closing a flap when removed from the vacuum cleaner.
  • These mechanisms have different metallic springs anchored in the retaining plate. In the area of these often positive anchors are high material thicknesses precede the ultrasonic line. The spring itself often leads to an unwanted distribution of ultrasound in the workpiece so that at the actually desired Versch bridgeposition not enough energy is available.
  • the object of the present invention is therefore to provide 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 holding plate and the wall of the filter bag should be easy to implement, the composite produced should withstand high tensile loads, as well as the results obtained should be reproducible.
  • the respective dependent claims represent advantageous developments.
  • the invention thus relates according to a first aspect of a method for materially connecting a retaining plate to the wall of a vacuum cleaner filter bag.
  • the wall of the vacuum cleaner filter bag in this case has a space provided for the attachment of the holding plate.
  • the location may be located at different locations.
  • at least partially in the region of the mounting location of the retaining plate at least in areas a fabric, non-positive or positive connection of the wall of the vacuum cleaner filter bag is made with at least one, in particular exactly one layer of a textile material, and Holding plate to the provided with the textile material side of the wall of the
  • Vacuum cleaner filter bag is pressed at the mounting location. Subsequently, a cohesive bond between the wall of the vacuum cleaner filter bag, the textile material and the holding plate is produced.
  • At least one layer of a textile material for example a single layer of a textile material applied to the mounting location of the holding plate on the wall of the vacuum cleaner filter bag and connected there at least partially with the wall of the vacuum cleaner filter bag.
  • the location of attachment is understood to be the area of the wall of the vacuum cleaner filter bag on which the holding plate is later arranged, i. the area of the wall defined in projection on the wall from the outline of the retaining plate.
  • the application of the textile material can be carried out only in areas of the mounting location, so that only a part of the surface on which the holding plate is arranged later, is provided with a textile material.
  • This embodiment is particularly useful if it is sufficient only as a punctual or regional reinforcement of the composite of the holding plate with the wall of the vacuum cleaner filter bag.
  • one or more strips of textile material may be sufficient.
  • the area of the composite e.g. the welding, which experiences the highest stress.
  • the at least partially connection of the textile material with the wall for example, by selective welding, selective bonding, but also via mechanical permanent or temporary fixings, such as clamp connections, etc. happen.
  • the holding plate is pressed onto the textile material so that at least part of the surface of the holding plate comes to rest on the textile material.
  • the entire surface of the holding plate is adapted to the textile material, in the event that the selected surface of the textile material is correspondingly large, ie at least as large as the base surface of the holding plate.
  • the production of a cohesive bond between the wall of the vacuum cleaner filter bag and the holding plate through the textile material therethrough This can be done for example by welding, in particular ultrasonic welding or by gluing. In the latter case, for example, before applying the holding plate to the textile material either on the textile material, the holding plate or the textile material and the holding plate, an adhesive is abandoned.
  • a second variant of the first aspect of the invention provides that, at least in regions, 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 at least in areas, and the holding plate with the the textile material side provided at the mounting location is pressed against the wall of the vacuum cleaner filter bag.
  • the production of a cohesive bond between the wall and the textile material then takes place in the manner described above
  • the textile material is at least partially fixed thereto at least in areas of the holding plate, the holding plate is then together with the at least partially fixed textile material at the mounting location on the wall of the vacuum cleaner filter bag pressed and connected through the textile material with this.
  • the textile material can be applied, for example, only in areas of the holding plate, for example, such that the textile material does not fill the entire surface of the holding plate, or that an edge of the holding plate is dominated by the textile material, but not the entire surface of the holding plate, the later tied to the wall, covered by textile material. It is also possible that the textile material covers the entire surface of the holding plate, also such that a supernatant of the textile material over the edge of the retaining plate also exists.
  • the holding plate has an inlet opening for a vacuum cleaner, can in the textile material - in the event that it is arranged on the holding plate such that the input port is partially or completely covered - a passage opening in the textile material before or after application to the
  • Retaining plate are introduced.
  • the introduction of the passage opening is also possible after making the composite of the holding plate with the wall of the vacuum cleaner filter bag.
  • the bonding of the textile material to the holding plate can analogously
  • Embodiments for bonding the textile material to the wall according to the first variant are made, i. as well, for example, by selective welding, selective bonding, but also on mechanical permanent or temporary fixings, such as clamp connections, etc.
  • this gives the possibility to mold the textile material already during the manufacturing process of the holding plate with this.
  • the textile material may be e.g. already introduced into the injection mold and thus directly connected to the holding plate during the injection molding process.
  • the bonding of the holding plate provided with the textile material is otherwise identical to the first variant, d. H.
  • a corresponding bonding or welding of the retaining plate to the wall can be made via the textile material.
  • a third variant of the first aspect of the method according to the invention it is provided that at least partially, in particular precisely one layer of a textile material is introduced between the wall of the vacuum cleaner filter bag and the holding plate in the region of the attachment location of the holding plate, the holding plate together with the textile Material is pressed against the wall of the vacuum cleaner filter bag at the place of installation.
  • a cohesive bond between the wall and retaining plate on the textile material is introduced without prior fixing between the wall and retaining plate, for example, inserted at the intended location, there is only a single binding process, at the holding plate is connected through the textile material with the wall of the vacuum cleaner filter bag.
  • the textile material can be applied only in regions of the mounting location, so that only part of the surface on which the retaining plate is later arranged is provided with a textile material. It is also possible to provide the entire surface defining the mounting location of the retaining plate with a textile material. It is also possible to choose the surface of the textile material larger than the surface of the mounting location, so that after connecting the retaining plate with the wall textile material protrudes below the retaining plate.
  • the wall of the vacuum cleaner filter bag at least in the region of the mounting location of the holding plate comprises a thermoplastic material or consists thereof or is formed.
  • thermoplastic materials which are suitable for the wall of the vacuum cleaner filter bag in this case are polyolefins, in particular polyethylene, polypropylene or polystyrene, polyesters, 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 thereby at least in the region of the mounting Location of the support plate may be formed, for example, as a film or as a nonwoven fabric.
  • the textile material comprises or consists of thermoplastic fibers and / or thermoplastic filaments.
  • thermoplastic fibers or filaments of the textile material can be formed from the identical 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 at least partially comprises a thermoplastic material or consists entirely of a thermoplastic material or is formed or the entire holding plate consists of a thermoplastic material or is formed.
  • thermoplastic materials mentioned above standing for the wall of the vacuum cleaner filter bag come into question.
  • the materials of the holding plate may represent the same or different materials that are used for the wall of the vacuum cleaner filter bag or the textile material.
  • thermoplastic fibers and / or the thermoplastic filaments of the textile material are formed from a material which
  • thermoplastic material Holding plate has a melting temperature which is less than or equal to, preferably smaller, more preferably smaller by at least 10 ° C, in particular by at least 20 ° C, 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 Holding plate, wherein the melting temperature is determined in each case according to ISO 11357-3: 2011-05, and / or
  • melt flow rate MFR
  • MFR melt flow rate
  • the rated load is determined in such a way that the discharge rate for both melts lies within a clearly measurable range.
  • the thermoplastic materials of the textile material thus melt rather, ie at lower temperatures than the thermoplastic materials of the wall and / or the holding plate and / or are less viscous at the same temperature.
  • By the honor melting and / or the low viscosity of the melt of these materials improved wetting of the wall and the holding plate is effected in particular in a welded joint, so that a more significant improvement of the bond between the holding plate and the wall of the vacuum cleaner filter bag is observed.
  • thermoplastic material for the wall of the vacuum cleaner filter bag are polyolefins, in particular polypropylene or polyethylene, polyester or - in the case that the wall is formed at least at the mounting location as a film laminate - thermoplastic polymers, in particular TPE or TPU as the holding plate facing layer of this laminate to call.
  • materials for the holding plate find in particular polyolefins, such as polypropylene or polyethylene or polyester, in particular PET use.
  • the materials which are particularly suitable for the textile material are preferably thermoplastic elastomers, such as TPE or TPU.
  • the textile material is formed from the same thermoplastics as the holding plate or the wall, in this case, however, it is preferred as described above, when the thermoplastic material has a lower melting point.
  • both wall, retaining plate and textile material are formed from PP, it is advantageous to use a PP grade for the textile material which has a lower melting point and / or a higher MFI, such as the PP Varieties used for holding plate and wall.
  • the textile material is selected from the group consisting of nonwovens, nets, woven, knitted, laid, knitted, braided, stitchbonded and felts, and combinations thereof.
  • Nonwovens and nets are particularly preferred here
  • the textile material has a planar design and in particular has a weight per unit area of 5 to
  • the advantages of the present invention are particularly useful 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 of a thermoplastic material, a film laminate, wherein at least the side to which the Holding plate is applied is made of a thermoplastic material, or is formed of a nonwoven fabric of a thermoplastic material.
  • thermoplastic material has a melting temperature which is less than or equal to, preferably less, more preferably smaller by at least 10 ° C., in particular smaller by at least 20 ° C., than the melting temperature of the thermoplastic material.
  • melt flow rate MFR
  • MFR melt flow rate
  • the melt flow index is determined according to ISO 1133-1: 2011-12, with a nominal load of 2.16 kg and a temperature of 230 ° C. Due to the smooth surface of the film, it is difficult to securely weld a retaining plate to the film. It is assumed that in particular during the welding process no complete wetting of the film or the film laminate can take place. Surprisingly, the wetting, in particular of the film or of the film laminate, can be improved if a textile material is arranged between the holding plate and the film or film laminate.
  • MFR melt flow rate
  • the textile material itself consists of a thermoplastic material, in particular of a thermoplastic elastomer and, for example, also melts during the welding process.
  • a significantly better wetting of the film can be achieved, so that the resulting maximum tensile force that can act on the holding plate before partial or complete demolition of the holding plate, can be significantly improved.
  • a bag inlet opening or in the textile material to introduce a passage opening and the respective openings in the various variants of the above-mentioned method in alignment with
  • a vacuum cleaner is arranged in this case in alignment with the bag inlet opening and the passage opening.
  • the holding plate in the initially mentioned variant of the method according to the invention, it is preferred to first produce an at least partially composite of the textile material with the wall of the vacuum cleaner filter bag at the attachment of the holding plate and in a subsequent step, for example by means of a punching process, at the same time a congruent bag inlet opening in the Wall of the vacuum cleaner filter bag and introduce a passage opening in the textile material. Subsequently, the holding plate can then be applied with its inlet opening in alignment with the passage opening of the textile material.
  • the geometric shape of the textile material may depend on the weld geometry to be achieved. Typically, the weld is round and has a width of a few mm to cm. It is therefore sufficient to position a corresponding ring of textile material between the film and the holding plate and to join it in one step with the known ultrasonic welding process with film and holding plate.
  • the textile material may, for. B. may be formed as a material strip, which may also be wider than the desired weld to facilitate positioning.
  • 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 equal in diameter, as the input 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 passage opening of the textile material, or the bag inlet opening of the wall of the vacuum cleaner filter bag and the passage opening of the textile material are dimensioned smaller in diameter than the input opening of the holding plate.
  • the textile material Passage opening of the textile material (and possibly also the bag inlet opening of the wall of the vacuum cleaner filter bag) is to be observed in this case a good sealing effect.
  • the textile material may additionally be connected to the wall of the vacuum cleaner filter bag, for example welded.
  • At least one flat sealing element is introduced at the mounting location 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, preferably of TPE or TPU is formed and which has a passage opening which is aligned with the
  • Passage opening of the holding plate is arranged, but a smaller Diameter has the diameter of the passage opening of the holding plate.
  • the support side of the retaining plate is at least partially structured and / or has directional sensors for ultrasound.
  • a direction generator can e.g. be formed as a raised groove on the mounting side of the holding plate.
  • the film or the film laminate may be structured at least at the mounting location, in particular high-low, in the case where the wall of the vacuum cleaner filter bag is designed as a film or as a film laminate, at least in the region of the attachment location of the retaining plate. structured, such as is knurled.
  • the film used may also be a laminate of two different thermoplastics. The more easily activated by ultrasound layer of the laminate points to the holding plate. If this layer is e.g. a TPE is and the holding plate is equipped with the TPE welding aid described in EP2311358 AI a particularly good connection is achieved. Also in this case, the additional introduction of a textile material is further advantageous.
  • a further particularly preferred embodiment provides that, at least in regions, a thermoplastic elastomer, at least in the mounting location of the retaining plate on the wall and / or on the side facing the wall of the textile material and / or on the side of the textile material facing the retaining plate, such as in particular TPE-O, TPE-V, TPE-U, TPE-E, TPE-S or TPE-A is applied, e.g. via a printing process, in particular by means of functional screen printing.
  • the thermoplastic elastomer may e.g. be applied in the form of nubs or concentric circles on the respective surface.
  • the present invention relates to a further method for integrally connecting a retaining plate to the wall of a vacuum cleaner filter bag at a mounting location provided therefor.
  • a sheet of a thermoplastic material which is used only in an area of the mounting location.
  • the second aspect of the method according to the invention is also designed in three variants.
  • the holding plate pressed against the provided with the film side of the wall of the vacuum cleaner filter bag at the mounting location and then made a cohesive bond between the wall of the vacuum cleaner filter bag, the film and 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 film made of a thermoplastic material is produced on the holding plate, at least in areas, and the holding plate with the side provided with the film Place of attachment to the wall of the
  • Vacuum cleaner filter bag pressed and then made a cohesive bond between the wall of the vacuum cleaner filter bag, the film and the holding plate.
  • a third variant is between the wall of the
  • Vacuum cleaner filter bag and the holding plate partially introduced in the region of the mounting location of the holding plate at least one, in particular exactly one layer of a film made of a thermoplastic material, the holding plate pressed together with the film at the mounting location on the wall of the vacuum cleaner filter bag and then a cohesive
  • the film is formed from a thermoplastic material which has a melting temperature which is less than or equal to, preferably smaller, more preferably smaller by at least 10 ° C, in particular by at least 20 ° C, 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), wherein the melting temperature is determined in each case according to ISO 11357-3: 2011-05, and / or
  • melt flow rate MFR
  • MFR melt flow rate
  • the materials that can be used in particular for the film according to a preferred embodiment correspond to the materials that have been mentioned as preferred materials for the above-mentioned textile materials.
  • the film which is introduced between the holding plate and the wall, thereby formed as a material strip is not arranged in the region of the inlet opening of the holding plate or the bag inlet opening of the wall of the vacuum cleaner filter bag, but preferably in the edge region of the mounting location of the holding plate.
  • the region in which the film is arranged makes preferably 5 to 70%, more preferably 10 to 50%, particularly preferably 15 to 25% of the surface of the mounting location of the holding plate.
  • the introduced between the wall and retaining plate film can be continuously formed or slotted and / or perforated.
  • a further particularly preferred embodiment provides that at least in the mounting location of the holding plate on the wall and / or on the side facing the wall of the film and / or on the side facing the holding plate of the film at least partially a thermoplastic elastomer, such. in particular TPE-O, TPE-V, TPE-U, TPE-E, TPE-S or TPE-A is applied, e.g. via a printing process, in particular by means of functional screen printing.
  • the thermoplastic elastomer may e.g. be applied in the form of nubs or concentric circles on the respective surface.
  • this second aspect of the invention is identical to the first aspect.
  • connection possibilities with which the film can be connected at least in regions to the wall or the holding plate correspond to those which have already been discussed in the first aspect of the present invention.
  • punctual or full-surface welding or gluing are possible.
  • the final production of the composite between wall, foil and retaining plate takes place analogously to the production of the composite between Wall, textile material and holding plate according to the first aspect of the invention.
  • a third aspect of the present invention relates to a further method for materially connecting a retaining plate to the wall of a
  • Vacuum cleaner filter bag at a designated location.
  • no additional material is introduced between the wall and the retaining plate.
  • the retaining plate is connected directly to the wall of the vacuum cleaner filter bag.
  • thermoplastic mate- rials of the holding plate has a melting temperature which is less than or equal to, preferably smaller, more preferably smaller by at least 10 ° C, in particular by at least 20 ° C, than the melting temperature of the thermoplastic mate- rials of the holding plate, wherein the melting temperature is determined in each case according to ISO 11357th -3: 2011-05, and / or
  • melt flow rate MFR
  • MFR melt flow rate
  • thermoplastic materials of the film or of the side of the film facing the holding plate thus tend to melt, i. at lower temperatures than the thermoplastic materials of the holding plate and / or are less viscous at the same temperature. Due to the honor 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 in particular in a welded joint, so that a more significant
  • thermoplastic material for the film of the wall of the vacuum cleaner filter bag are polyolefins, in particular
  • materials for the holding plate find in particular polyolefins, such as polypropylene or polyethylene or polyester, in particular PET use.
  • materials which are particularly suitable for the backing plate-facing side of the film laminate are preferably thermoplastic elastomers, e.g. TPE or TPU.
  • the film or the film laminate is formed from the same thermoplastics as the holding plate or the wall, in this case, however, it is preferred as described above, when the thermoplastic material has a lower melting point. If, for example, both the holding plate and the film or the film laminate are formed from PP, it is advantageous to use a PP grade for the film or the film laminate which has a lower melting point and / or a higher melting point. MFI, such as the PP grades used for the retaining plate and the wall.
  • thermoplastic elastomer such as, for example, at least in the mounting location of the holding plate on the wall
  • a thermoplastic elastomer such as, for example, at least in the mounting location of the holding plate on the wall
  • TPE-O, TPE-V, TPE-U, TPE-E, TPE-S or TPE-A is applied, e.g. via a printing process, in particular by means of functional screen printing.
  • the thermoplastic elastomer may e.g. be applied in the form of nubs or concentric circles on the respective surface.
  • the holding plate can also have a closure flap which projects 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 e.g. have a spring, by means of the one
  • the present invention relates to a vacuum cleaner filter bag, comprising a wall with a mounting location for a retaining plate, as well as an attachment at the attachment materially connected to the wall holding plate, which is at least partially connected via at least one, in particular exactly one layer of a textile material with the wall.
  • the wall of the vacuum cleaner filter bag at least at the mounting location of the holding plate from a sheet of a thermoplastic material, a foil laminate, wherein at least the side to which the holding plate is applied from a thermoplastic material or a nonwoven fabric is formed of a thermoplastic material.
  • the wall of the vacuum cleaner filter bag has a bag inlet opening in the region of the attachment location
  • the textile material has a passage opening
  • the holding plate has an inlet opening
  • the bag inlet opening, passage opening and inlet opening being aligned above one another, in particular the bag inlet opening and / or the passage opening are dimensioned smaller or equal in diameter as the input opening.
  • a further preferred embodiment provides that at the mounting location 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 at least one planar sealing element is introduced, preferably made of TPE or TPU is formed and which has a passage opening which is arranged in alignment with the passage opening of the holding plate, but has a smaller diameter than the diameter of the passage opening of the holding plate.
  • the invention relates to a vacuum cleaner filter bag, comprising a wall with a mounting location for a holding plate, as well as an am
  • the vacuum cleaner filter bag according to this variant is substantially identical to the previously mentioned embodiment, except for the fact that the holding plate is connected to the wall of the filter bag via a film, which is provided only partially at the mounting location.
  • the preferred Druchtrittsö réelle is introduced in this case in the film.
  • the invention relates to a vacuum cleaner filter bag, comprising a wall with a mounting location for a holding plate, as well as a mounting plate integrally connected to the wall holding plate, wherein the wall of the vacuum cleaner filter bag, at least in the region of the mounting location as a film of a thermoplastic material or as a film laminate in which at least the side on which the holding plate is applied is made of a thermoplastic material, wherein the thermoplastic material of the film or the film laminate
  • the melting temperature which is less than or equal to, preferably smaller, more preferably smaller by at least 10 ° C, in particular by at least least 20 ° C is less than the melting temperature of the thermoplastic material of the holding plate (5), wherein the melting temperature is determined in each case according to ISO 11357-3: 2011-05, and / or
  • melt flow rate MFR
  • MFR melt flow rate
  • the vacuum cleaner filter bags according to all embodiments can be made up of the initially described walls produced according to the invention in manufacturing methods known from the prior art, e.g. as a flat bag or as a block bottom bag.
  • the present invention will be explained in more detail with reference to the following figures, but without restricting the present invention to the specifically illustrated embodiments.
  • Figure 1 shows a first variant for the preparation of an inventive
  • FIG. 2 shows a second variant of a device according to the invention
  • Vacuum cleaner filter bag as well
  • Figure 3 shows a third variant for the preparation of an inventive
  • Vacuum cleaner filter bag
  • FIG. 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 may be, for example, a nonwoven material or a film. Likewise, laminates of nonwovens or films are conceivable. These materials can be provided, for example, from roll stock and wound up endlessly.
  • figure la (as well as in all subsequent figures) only a small section of the material of the wall 1 of the vacuum cleaner filter bag shown.
  • Figure lb shows the state after a textile material 2 by means of four sepa- rater individual welding points 3 on one side of the wall 1 of
  • Vacuum cleaner filter bag was applied.
  • the remaining surface of the textile material 2 is loose and not connected to the wall of the filter bag.
  • the textile material 2 it is also possible for the textile material 2 to be adhesively bonded at points to the wall 1 of the vacuum cleaner filter bag.
  • FIG. 1 d) shows the state according to which a holding plate 5 with an associated inlet opening 6 has been applied in alignment with 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 of the textile material. This projection, which is visible within the entrance opening of the holding plate, acts as a seal for a through the input port 6 of the holding plate 5 to be introduced nozzle of a vacuum cleaner.
  • Vacuum cleaner filter bag on the textile material 2 for example, by an ultrasonic welding process in which ultrasound is introduced into the holding plate by sonotrode and boss.
  • the weld can be performed, for example, annularly around the inlet opening 6 of the holding plate 5, but it is also possible, the holding plate 5 only selectively over the textile material 2 with the wall 1 of the Vacuum cleaner filter bag to weld. It is also possible to weld the holding plate 5 over the entire surface of the textile material 2 with the wall 1 of the vacuum cleaner filter bag.
  • Both the wall 1, the textile material 2 and the holding plate 5 are formed in this example of thermoplastic materials.
  • FIG. 2 shows a further embodiment for producing a vacuum cleaner filter bag according to the invention.
  • the textile material has a smaller dimension.
  • the textile material is fixed to the wall 1 of the vacuum cleaner filter bag only via two points 3 (for example via welding or gluing).
  • the textile material 2 does not cover the bag inlet opening 4, which in FIG. 2c) is now only introduced into the wall of the vacuum cleaner filter bag.
  • the holding plate 5 When superimposing the holding plate 5, wherein also the input opening of the holding plate 6 is brought into alignment with the bag inlet opening 4, the holding plate 5 is thus only more partially on the textile material 2.
  • the textile material 2 With the wall 1 of the vacuum cleaner filter bag (for example via a welding process), only its area is thus particularly intensified by the textile material 2 being present. This is sufficient, for example, in the case of previously known tensile loading on the vacuum cleaner filter bag.
  • FIG. 3 shows a further embodiment of a method according to the invention for producing a vacuum cleaner filter bag according to the invention.
  • FIG. 3a) is identical to FIG. 1a) or FIG. 2a).
  • the material of the wall of the vacuum cleaner filter bag is formed as a nonwoven fabric.
  • a recess A is now introduced into the wall 1 of the vacuum cleaner filter bag. This can be done for example by punching or cutting.
  • thermoplastic film F covering the recess A on the wall 1 of the vacuum cleaner filter bag is now fixed onto the rear side of the wall 1 of the vacuum cleaner filter bag.

Landscapes

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

Abstract

La présente invention concerne des procédés pour établir une liaison de matière améliorée entre une plaque de retenue et la paroi d'un sac filtrant d'aspirateur. Selon une première variante, la plaque de retenue n'est pas montée directement sur la paroi du sac filtrant d'aspirateur, mais une matière textile est disposée entre la plaque de retenue et la paroi. La liaison entre la plaque de retenue et la paroi du sac filtrant d'aspirateur est effectuée par l'intermédiaire de la matière textile. Dans une deuxième variante, un film de matière thermoplastique est disposé par endroits entre la plaque de retenue et la paroi du sac filtrant d'aspirateur. La liaison entre la plaque de retenue et la paroi du sac filtrant d'aspirateur est effectuée par l'intermédiaire du film. Selon une troisième variante, la plaque de retenue est reliée directement à la paroi du sac filtrant d'aspirateur. Au moins dans la région dans laquelle la plaque de retenue est montée, la paroi est réalisée sous la forme d'un film de matières thermoplastiques spéciales. La présente invention concerne également des sacs filtrants d'aspirateur dans lesquels la plaque de retenue est reliée par une liaison de matière à la paroi du sac filtrant d'aspirateur selon les principes ci-dessus.
EP16809066.0A 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 Active EP3386363B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15199696.4A EP3178360B2 (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
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

Publications (2)

Publication Number Publication Date
EP3386363A1 true EP3386363A1 (fr) 2018-10-17
EP3386363B1 EP3386363B1 (fr) 2024-01-31

Family

ID=55027273

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15199696.4A Active EP3178360B2 (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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15199696.4A Active EP3178360B2 (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

Country Status (8)

Country Link
US (1) US10925450B2 (fr)
EP (2) EP3178360B2 (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)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3454710B2 (fr) * 2016-05-09 2025-04-09 Aktiebolaget Electrolux Récipient à poussière pour aspirateur
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
DK3560402T3 (da) * 2018-04-27 2023-01-09 Eurofilters Holding Nv Støvsugerfilterpose med folie i holdepladens område
ES2857816T3 (es) * 2018-12-17 2021-09-29 Eurofilters Holding Nv Bolsa de filtro de aspiradora con resistencia de cordón de soldadura mejorada
PL3821777T3 (pl) * 2019-11-12 2025-04-14 Eurofilters Holding N.V. Worek filtrujący do odkurzacza ręcznego
EP3821776B1 (fr) * 2019-11-12 2025-01-01 Eurofilters Holding N.V. Sac filtrant d'aspirateur pour un aspirateur à main

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US20010047721A1 (en) * 2000-05-03 2001-12-06 Scanlon John J. Vacuum collection bag and method of operation
DE20101471U1 (de) * 2001-01-27 2001-04-19 Wolf GmbH, 32602 Vlotho Filtervorrichtung für einen Staubsauger
DE102005059214B4 (de) * 2005-12-12 2007-10-25 Eurofilters N.V. Filterbeutel für einen Staubsauger
DE102005060032A1 (de) * 2005-12-15 2007-06-21 Eurofilters N.V. Filterbeutel und Verfahren zu dessen Herstellung
DE102006023707B3 (de) * 2006-05-19 2008-01-03 Eurofilters N.V. Staubfilterbeutel
DE102006029059A1 (de) * 2006-06-24 2007-12-27 Branofilter Gmbh Filtereinrichtung für Staubsauger und Verfahren zur Herstellung der Filtereinrichtung
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DE502007000741D1 (de) * 2007-08-17 2009-06-25 Eurofilters Holding Nv Staubsaugerfilterbeutel
DE102007043297A1 (de) † 2007-09-11 2009-03-12 Eurofilters N.V. Halteplatte für einen Staubsauger-Filterbeutel sowie Filterbeutel
DE202008002010U1 (de) * 2008-02-13 2008-06-26 Aichner Filter Gmbh Filterbeutel für einen Staubsauger
ES2440722T3 (es) * 2008-03-07 2014-01-30 Eurofilters Holding N.V. Bolsa de filtro de aspiradora
DE202008004025U1 (de) * 2008-03-20 2009-08-06 Wolf Pvg Gmbh & Co. Kg Filter
ES2549756T3 (es) * 2009-06-19 2015-11-02 Eurofilters N.V. Bolsa plana para aspirador de polvo con al menos dos difusores
ES2560672T3 (es) 2009-10-19 2016-02-22 Eurofilters Holding N.V. Placa de sujeción para una bolsa filtrante de aspiradora
DE102010063053A1 (de) † 2010-12-14 2012-06-14 Robert Bosch Gmbh Pedalwertgeberanordnung
EP2465397B1 (fr) † 2010-12-17 2014-06-11 Wolf PVG GmbH & Co. KG Sac d'aspirateur et procédé destiné à la fabrication d'un sac d'aspirateur
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DE202014101632U1 (de) † 2014-04-07 2014-05-21 Branofilter Gmbh Staubfilterbeuteleinrichtung mit gerätespezifisch anpassbarer Halteplatte

Also Published As

Publication number Publication date
WO2017098035A1 (fr) 2017-06-15
AU2016366505B2 (en) 2022-07-14
ES2916748T3 (es) 2022-07-05
US10925450B2 (en) 2021-02-23
EP3386363B1 (fr) 2024-01-31
US20180368635A1 (en) 2018-12-27
ES2972226T3 (es) 2024-06-11
EP3178360A1 (fr) 2017-06-14
EP3178360B1 (fr) 2022-03-16
EP3178360B2 (fr) 2025-12-03
PL3386363T3 (pl) 2024-08-05
CN108697286A (zh) 2018-10-23
CN108697286B (zh) 2021-05-18
AU2016366505A1 (en) 2018-06-28
DK3386363T3 (da) 2024-02-19

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