EP4021269B1 - Cleaning pad for the treatment of surfaces - Google Patents

Cleaning pad for the treatment of surfaces Download PDF

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Publication number
EP4021269B1
EP4021269B1 EP21749083.8A EP21749083A EP4021269B1 EP 4021269 B1 EP4021269 B1 EP 4021269B1 EP 21749083 A EP21749083 A EP 21749083A EP 4021269 B1 EP4021269 B1 EP 4021269B1
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EP
European Patent Office
Prior art keywords
cleaning pad
core
pad according
cleaning
opening
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EP21749083.8A
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German (de)
French (fr)
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EP4021269A1 (en
Inventor
Ulrich Pohlmann
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Individual
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Individual
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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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • A47L13/17—Cloths; Pads; Sponges containing cleaning agents
    • 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/42—Details

Definitions

  • the invention relates to a cleaning pad for treating smooth surfaces in particular according to the preamble of claim 1 and a manufacturing method according to the preamble of claim 17.
  • a cleaning pad of the type mentioned can be the DE 295 08 348 U1 remove.
  • a cleaning pad with a piece of tubing integrated into the pad reveals the AT 226 412 .
  • Previously known cleaning pads have a bag-shaped cleaning cover which, when wiped, makes contact with the surface to be cleaned with one of its outsides.
  • the pillow is provided with a foam core for padding, which also has a container inside, which in turn has an approximately cuboid storage part and an adjoining, closable neck.
  • cleaning liquid within the container is conveyed with a hollow tube to a spray head screwed onto the neck, which is designed as a conventional valve spray head, the valve head actuating a valve and also containing a spray nozzle 8 which sprays the cleaning liquid out laterally. It is therefore not necessary to use both a storage bottle with a cleaning agent and a cleaning pad separately for cleaning. Rather, it is sufficient to refill the storage area integrated into the cleaning pad as required, which advantageously reduces the number of cleaning utensils required.
  • the invention is therefore based on the problem of achieving an improvement here.
  • a generic cleaning pad for treating smooth surfaces in particular is further developed with the invention in such a way that the storage part can be guided through the opening, with the cross-sectional area of the opening corresponding at least to the cross-sectional area of the storage part Replacement of the storage part guaranteed.
  • the cross-sectional area of the opening must be dimensioned sufficiently so that the storage part can be guided through the opening into the core.
  • the storage part can be guided through the opening and pressed into the core.
  • the core is provided with a recess, which can be formed by stamping or welding.
  • the core can also be divided into two, ie in two halves but assembled, and thus also the recess.
  • the cross-sectional area of the storage part and the cross-sectional area of the recess are expedient, so that the storage part can be guided with a precise fit and the recess can be guided.
  • At least part of the outer surface of the container and/or at least part of the inner surface of the recess is expediently provided with an adhesive.
  • the cleaning cover has an inwardly curved shape at its edges, which advantageously makes it easier to hold the cleaning pad in the hand.
  • the arched shape can also have a straight section in the middle of the edges.
  • at least part of the cleaning cover is leather-like.
  • a further practicable variant of the invention provides that the cleaning cover consists of two material cuts which enclose the core between them and are connected to one another in an edge area surrounding the core via at least one glued and/or welded seam, with at least one of the material cuts (11 ,12) is coated on its surface facing the core (1) at least in its edge region (13) with an activatable or activated adhesive material.
  • the adhesive material can be thermally activated or activated to form an adhesive or welded seam. Then, in production, the adhesive material is initially non-adhesive and is only activated by placing a corresponding stamp, which in particular is provided with a high-frequency generator. This simplifies production.
  • the seam is closed up to the outermost edge and has a width of at least two millimeters. In particular, a width of five millimeters is also possible.
  • By closing up to the outermost edge there is no attempt to tear apart the two material cuts adhering to one another at the seam. For example, no suds can penetrate between the material cuts of the cover in the washing machine.
  • the stable edge several millimeters wide, also provides a strong adhesion surface on the one hand, and on the other Lettering surface that can be printed to the very edge without smudging or illegible writing. Manufacturer information or washing instructions can be printed there, for example. The value of the cleaning pad created in this way is significantly increased.
  • the adhesive material is particularly favorable as an activatable layer placed flat on at least one of the material cuts on its surface facing the core.
  • Such a large-area layer can be easily created in terms of production technology by at least one of the material cuts being underlaid with an adhesive gauze, in particular over the entire surface, on its surface facing the core .
  • the adhesive gauze can have a flexible, net-like structure that can be stretched elastically in all directions. There are practically no demands placed on their mechanical stability.
  • the adhesive gauze can be formed by an intrinsically irregular fleece layer without any preferred directions in the material. Such a material can be bought very inexpensively and has only a minimal dead weight.
  • Such an adhesive gauze is also easy to process and, since it does not yet stick without activation, can very advantageously be connected to the material of the respective material blank by rolling. Adequate adhesion to the (not yet cut or punched) web material of the material blank is achieved solely by the rolling process.
  • the seam can be achieved by activating the at least one adhesive layer by ultrasonic, high-frequency, cold or hot bonding.
  • Both sides of the cleaning pad can be antibacterial, at least to a limited extent virucidal and can also be different for greater flexibility, for example one side lined with microfiber for wet cleaning and one side lined with imitation leather for drying.
  • a uniform cover e.g. leather, textile leather or synthetic fibre
  • the material blanks can be made of non-woven material, e.g. B. based on polyamide or polyurethane or made of velor or terry fabrics or knitted fabrics different cleaning properties or anti-fog properties.
  • at least one of the material cuts consists of highly cleaning and dirt-absorbing microfiber material.
  • a material blank made in particular from synthetic leather (imitation leather) can have numerous continuous openings.
  • the imitation leather can have a velour-like, soft, velvety feel, which corresponds to real suede in terms of look and feel.
  • the core itself can advantageously consist of a permanently elastic, open-cell flexible foam, for example flexible polyurethane foam, or of a combination of flexible foam and non-woven material.
  • the material for the core can be in the form of a bulk or block.
  • the core can consist of at least two layers of soft material, of which one layer is made of flexible foam and the other layer is made of a textile material, such as padding fleece. Silicone foam or biodegradable viscose foam can also be used as the soft foam.
  • At least one image, logo, advertising message or the like can be applied to one or both sides in one or more colors, up to the outermost edge, beyond the glued or welded seam.
  • the image, logo, lettering or advertising slogan can be applied in one or more colors using a printing process known per se, as well as in photo printing or embossing.
  • one of the material blanks can then be placed in a box, with an in particular cuboid, elastically deformable core being placed on this material blank and the second material blank being placed on the core, with the first and second material blank projecting laterally beyond the core and with both material blanks subsequently being placed underneath Edge of the core are pressed together and thereby the adhesive layer is dissolved and the material blanks are glued together and / or welded. This results in the wide edge area, which is stable and closed to the outside and which can also be labeled.
  • Welding and/or gluing can be activated simply and reliably by high-frequency exposure. This form of connection creates an even transition between the joined materials and thus guarantees very high seam strength. There are no gaps or spaces where dirt particles can accumulate, which would negatively affect the durability of the cleaning pad. In addition, the seam can be airtight and watertight.
  • the core should be provided with a recess and at least one material blank should be provided with an opening before or after the gluing and/or welding, and after the gluing and/or welding the storage part should be guided through the opening into the recess.
  • FIG. 1 shows a cleaning pad, indicated by reference numeral 100, having a core 1 of elastically deformable material, such as predominantly open-pored flexible polyurethane foam, and has a cleaning cover 2 encompassing this on the outside.
  • a cleaning pad indicated by reference numeral 100
  • a core 1 of elastically deformable material such as predominantly open-pored flexible polyurethane foam
  • the cleaning cover 2 is how figure 2 further clarified, from two flat, congruent material blanks 11, 12, wherein the blank 11 is made of microfiber and the blank 12 is made of synthetic leather 2a.
  • the material blanks 11, 12 are oversized compared to the in figure 1 Core 1 shown is formed and connected to one another in its outer edge region via a laterally projecting and in particular circumferential adhesive and/or welded seam.
  • the cleaning pad 100 is characterized by a special shape in that the cleaning cover 2 has an inwardly curved shape at its edges.
  • the material blank 12 is optionally made from a high-quality natural leather, for example from the finest, soft elk leather. So that the natural leather can be glued to the second material cut 11 made of microfiber terry cloth, it is provided that the leather material cut 12 be coated at least on its surface facing the core 1 with a thermally activatable adhesive, at least in the edge region, in particular with an adhesive gauze over the entire area associate. This can be air and water permeable and have an overall disordered structure.
  • the cleaning pad 100 is used in particular for treating smooth surfaces, such as panes or painted surfaces, and can also be used without cleaning agents, for example to remove moisture.
  • the two material cuts 11, 12 can have different cleaning properties, anti-fog properties and/or colors.
  • a material pairing of a microfiber layer and an imitation leather layer or a pairing of a polyester textile layer and an imitation leather layer is possible.
  • other textile and/or leather-like designs are possible for the cleaning cover 12, in particular a polyurethane-coated carrier made of synthetic or natural fibers can also be used as the synthetic leather-like side.
  • a container 6 is embedded, which has a supply part 4 made of plastic or glass that can be refilled with cleaning agent and a neck 7 provided with a thread 3, in which a spray head 8 is installed, with above the side of the supply part 4 facing the neck 7 there is an opening 9 in the cleaning cover 2 over which the neck 7 is placed.
  • the neck 7, which is enclosed in the opening 9, can be unscrewed via the thread 3, ie it is connected to the container 6 in a removable and replaceable manner.
  • FIG 1 cleaning pad shown provided with a protective cap 10 which can be placed on the spray head 8.
  • figure 1 further clarifies that the storage part 4 can be passed through the opening 9 .
  • the cross-sectional area of the storage part 4, which is in figure 1 shown embodiment is cylindrical, and the cross-sectional area of the opening 9 congruent, wherein the core 1 has a recess 5, in which the container 6 is inserted with its storage part 4 with a precise fit.
  • the cross-sectional area of the container 6 and the cross-sectional area of the recess 5 are also congruent.
  • FIG. 3 shows that two webs of material are provided for an upper and a lower layer to be formed, at least one of which is provided with an adhesive layer and in the coated state is cut out to form a material blank 11,12, with an in particular cuboid, elastically deformable core 1 on a first Material blank 11 and the second material blank 12, the material 12 of which is made of leather 14, is placed on the core 1, with the first and the second material blank 11, 12 protruding over the core 1 laterally at the edge 13 and with both material blanks 11, 12 subsequently being enclosed of the core 1 are pressed together and the adhesive layer 15 is partially dissolved and the material blanks 11, 12 are glued to one another and/or welded.
  • the core 1 is provided with a punched recess 5 and at least one material blank 11, 12 is provided with a punched opening 9 before or after gluing and/or welding.
  • the container 6 with its storage part 4 - like figure 4 clarified - through the opening into the in figure 3 shown recess 5 is performed.
  • the container 6 is there, as indicated by the arrow 18 in figure 4 indicates interchangeable.

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Description

Die Erfindung betrifft ein Reinigungskissen zum Behandeln von insbesondere glatten Oberflächen nach dem Oberbegriff des Anspruchs 1 sowie ein Herstellungsverfahren nach dem Oberbegriff des Anspruchs 17.The invention relates to a cleaning pad for treating smooth surfaces in particular according to the preamble of claim 1 and a manufacturing method according to the preamble of claim 17.

Ein Reinigungskissen der eingangs genannten Art lässt sich der DE 295 08 348 U1 entnehmen.A cleaning pad of the type mentioned can be the DE 295 08 348 U1 remove.

Ein Reinigungskissen mit einem in das Kissen integriertes Rohrstück offenbart die AT 226 412 .A cleaning pad with a piece of tubing integrated into the pad reveals the AT 226 412 .

Das aus der DE 295 08 348 U1 vorbekannte Reinigungskissen weist einen beutelförmigen Reinigungsbezug auf, der beim Wischen mit einer seiner Außenseite die zu reinigende Oberfläche kontaktiert. Das Kissen ist zur Polsterung mit einem Schaumstoffkern versehen, der in seinem Inneren weiterhin einen Behälter aufweist, der wiederum ein etwa quaderförmiges Vorratsteil und einen sich daran anschließenden, verschließbaren Hals aufweist. In der DE 295 08 348 U1 ist vorgesehen, dass Reinigungsflüssigkeit innerhalb des Behälters mit einem hohlen Tubus zu einem auf den Hals aufgeschraubten Sprühkopf gefördert wird, der als herkömmlicher Ventilsprühkopf gestaltet ist, wobei der Ventilkopf ein Ventil betätigt und auch eine Sprühdüse 8 enthält, die die Reinigungsflüssigkeit seitlich heraussprüht. Es ist demnach nicht erforderlich, für die Reinigung sowohl eine Vorratsflasche mit einem Reinigungsmittel als auch ein Reinigungskissen getrennt voneinander zu benutzen. Vielmehr reicht es aus, die in das Reinigungskissen integrierte Vorratsflache bei Bedarf nachzufüllen, was die Zahl der benötigten Reinigungsutensilien vorteilhafterweise reduziert.That from the DE 295 08 348 U1 Previously known cleaning pads have a bag-shaped cleaning cover which, when wiped, makes contact with the surface to be cleaned with one of its outsides. The pillow is provided with a foam core for padding, which also has a container inside, which in turn has an approximately cuboid storage part and an adjoining, closable neck. In the DE 295 08 348 U1 it is envisaged that cleaning liquid within the container is conveyed with a hollow tube to a spray head screwed onto the neck, which is designed as a conventional valve spray head, the valve head actuating a valve and also containing a spray nozzle 8 which sprays the cleaning liquid out laterally. It is therefore not necessary to use both a storage bottle with a cleaning agent and a cleaning pad separately for cleaning. Rather, it is sufficient to refill the storage area integrated into the cleaning pad as required, which advantageously reduces the number of cleaning utensils required.

Nachteilig bei diesem vorbekannten Reinigungskissen ist es jedoch, dass die Vorratsflasche recht voluminös und sperrig in dem Kern angeordnet ist, da die Außenflächen des Vorratsteils planparallel zu den Außenfläche des das Reinigungskissen im Wesentlichen ausfüllenden Kerns verlaufen. Hierdurch bedingt, gestaltet sich die Herstellung des Reinigungskissens recht aufwändig, da mehrere Zuschnitte des Kerns benötigt werden, um die Vorratsflasche großflächig zu umhüllen. Auch lässt sich das Vorratsteil nicht ohne Weiteres auswechseln, was beispielsweise bei Beschädigungen desselben wünschenswert ist.The disadvantage of this previously known cleaning pad, however, is that the storage bottle is arranged in the core in a rather voluminous and bulky manner, since the outer surfaces of the storage part are plane-parallel to the outer surface of the Cleaning pad run essentially filling core. As a result of this, the production of the cleaning pad turns out to be quite complex, since several cuttings of the core are required in order to envelop the storage bottle over a large area. Also, the storage part cannot be exchanged easily, which is desirable, for example, if the same is damaged.

Der Erfindung liegt daher das Problem zugrunde, hier eine Verbesserung zu erreichen.The invention is therefore based on the problem of achieving an improvement here.

Die Erfindung löst das Problem durch ein Reinigungskissen mit den Merkmalen des Anspruchs 1 und durch ein Verfahren mit den Merkmalen des Anspruchs 17. Hinsichtlich weiterer vorteilhafter Ausgestaltungen und Weiterbildungen wird auf die Ansprüche 2 bis 16 und 17 bis 18 verwiesen.The invention solves the problem with a cleaning pad having the features of claim 1 and with a method having the features of claim 17. With regard to further advantageous configurations and developments, reference is made to claims 2 to 16 and 17 to 18.

Dadurch, dass mit der Erfindung ein gattungsgemäßes Reinigungskissen zum Behandeln von insbesondere glatten Oberflächen so weitergebildet ist, dass das Vorratsteil durch die Öffnung durchführbar ist, wobei die Querschnittsfläche der Öffnung mindestens der Querschnittsfläche des Vorratsteils entspricht, ist eine konstruktiv einfache Herstellung des Reinigungskissens und eine schnelles Auswechseln des Vorratsteils gewährleistet. Hierzu muss die Querschnittsfläche der Öffnung ausreichend bemessen sein, damit das Vorratsteil durch die Öffnung in den Kern geführt werden kann. Um das Reinigungskissen optisch präsentabel zu gestalten, ist es von Vorteil, dass die Querschnittsfläche des Vorratsteils und die Querschnittsfläche der Öffnung deckungsgleich sind. Das Vorratsteil kann dabei durch die Öffnung geführt und in den Kern gepresst werden. Alternativ ist der Kern mit einer Aussparung versehen, die durch Stanzen oder Schweißen gebildet sein kann. Alternativ kann der Kern auch zweigeteilt sein, d.h. in zwei Hälften, jedoch zusammengesetzt, vorliegen und somit auch die Aussparung. Um einen festen Sitz des Vorratsteils in der Aussparung herbeizuführen, ist es zweckmäßig, dass die Querschnittsfläche des Vorratsteils und die Querschnittsfläche der Aussparung deckungsgleich sind, sodass das Vorratsteil passgenau und die Aussparung geführt werden kann. Zweckmäßigerweise ist zumindest ein Teil der Außenfläche des Behälters und/ oder zumindest ein Teil der Innenfläche der Aussparung mit einem Klebstoff versehen ist.The fact that a generic cleaning pad for treating smooth surfaces in particular is further developed with the invention in such a way that the storage part can be guided through the opening, with the cross-sectional area of the opening corresponding at least to the cross-sectional area of the storage part Replacement of the storage part guaranteed. For this purpose, the cross-sectional area of the opening must be dimensioned sufficiently so that the storage part can be guided through the opening into the core. In order to make the cleaning pad visually presentable, it is advantageous for the cross-sectional area of the storage part and the cross-sectional area of the opening to be congruent. The storage part can be guided through the opening and pressed into the core. Alternatively, the core is provided with a recess, which can be formed by stamping or welding. Alternatively, the core can also be divided into two, ie in two halves but assembled, and thus also the recess. In order to ensure that the storage part is seated firmly in the recess, it is expedient for the cross-sectional area of the storage part and the cross-sectional area of the recess to be congruent, so that the storage part can be guided with a precise fit and the recess can be guided. At least part of the outer surface of the container and/or at least part of the inner surface of the recess is expediently provided with an adhesive.

Eine vorteilhafte Weiterbildung der Erfindung sieht vor, dass der Reinigungsbezug an seinen Rändern eine nach innen gewölbte Form aufweist, die vorteilhafterweise ein verbessertes In-die-Hand-Nehmen des Reinigungskissens ermöglicht. Die gewölbte Form kann dabei auch mittig der Ränder einen geraden Abschnitt aufweisen. Um das Reinigungskissen widerstandsfähiger und somit auch hochwertiger zu machen, sieht eine praktikabel Variante der Erfindung vor, dass zumindest ein Teil des Reinigungsbezugs lederartig ist.An advantageous further development of the invention provides that the cleaning cover has an inwardly curved shape at its edges, which advantageously makes it easier to hold the cleaning pad in the hand. The arched shape can also have a straight section in the middle of the edges. In order to make the cleaning pad more resistant and thus also of higher quality, a practicable variant of the invention provides that at least part of the cleaning cover is leather-like.

Eine weitere praktikable Variante der Erfindung sieht vor, dass der Reinigungsbezug aus zwei Materialzuschnitten besteht, die den Kern zwischen sich einfassen und an einem den Kern umgebenden Randbereich über wenigstens eine Klebe- und/oder Schweißnaht miteinander verbunden sind, wobei wenigstens einer der Materialzuschnitte (11,12) auf seiner dem Kern (1) zugewandten Oberfläche zumindest in seinem Randbereich (13) mit einem aktivierbaren oder aktivierten Klebermaterial beschichtet ist. Hierdurch ist ein stabiles, flächiges Verkleben der Randbereiche möglich, so dass eine sehr gute Haftung entsteht, die die Materialzuschnitte auch im Dauerbetrieb stabil aneinander festhält.A further practicable variant of the invention provides that the cleaning cover consists of two material cuts which enclose the core between them and are connected to one another in an edge area surrounding the core via at least one glued and/or welded seam, with at least one of the material cuts (11 ,12) is coated on its surface facing the core (1) at least in its edge region (13) with an activatable or activated adhesive material. This enables stable, flat bonding of the edge areas, resulting in very good adhesion, which holds the material blanks together stably, even in continuous operation.

Insbesondere ist dabei das Klebermaterial zur Bildung einer Klebe- oder Schweißnaht thermisch aktivierbar oder aktiviert. Dann ist in der Produktion das Klebermaterial zunächst nicht klebend und wird erst durch Aufsetzen eines entsprechenden Stempels, der insbesondere mit einer Hochfrequenzerzeugung versehen ist, aktiviert. Das vereinfacht die Herstellung.In particular, the adhesive material can be thermally activated or activated to form an adhesive or welded seam. Then, in production, the adhesive material is initially non-adhesive and is only activated by placing a corresponding stamp, which in particular is provided with a high-frequency generator. This simplifies production.

Besonders günstig ist die Naht bis zum äußersten Rand geschlossen ist und weist eine Breite von zumindest zwei Millimetern auf. Insbesondere ist auch eine Breite von fünf Millimetern möglich. Durch das Schließen bis zum äußersten Rand ergibt sich kein Ansatz, um die beiden an der Naht aneinander haftenden Materialzuschnitte auseinanderzureißen. So kann etwa auch in der Waschmaschine keine Lauge zwischen die Materialzuschnitte des Bezugs eindringen. Der stabile Rand von mehreren Millimetern Breite gibt zudem einerseits eine starke Haftungsfläche, andererseits auch eine Beschriftungsfläche, die bis zum äußersten Rand bedruckt werden kann, ohne daß die Schrift verwischt oder durch Verwerfungen unleserlich wäre. Dort können zum Beispiel Herstellerangaben oder eine Waschanleitung aufgedruckt werden. Die Wertigkeit des so geschaffenen Reinigungskissens ist deutlich erhöht.The seam is closed up to the outermost edge and has a width of at least two millimeters. In particular, a width of five millimeters is also possible. By closing up to the outermost edge, there is no attempt to tear apart the two material cuts adhering to one another at the seam. For example, no suds can penetrate between the material cuts of the cover in the washing machine. The stable edge, several millimeters wide, also provides a strong adhesion surface on the one hand, and on the other Lettering surface that can be printed to the very edge without smudging or illegible writing. Manufacturer information or washing instructions can be printed there, for example. The value of the cleaning pad created in this way is significantly increased.

Besonders günstig ist das Klebermaterial als aktivierbare Lage flächig auf wenigstens einem der Materialzuschnitte auf seiner dem Kern zugewandten Oberfläche aufgelegt Eine solche großflächige Lage kann herstellungstechnisch einfach dadurch geschaffen sein, dass wenigstens einer der Materialzuschnitte auf seiner dem Kern zugewandten Oberfläche insbesondere vollflächig von einer Klebegaze unterlegt ist.The adhesive material is particularly favorable as an activatable layer placed flat on at least one of the material cuts on its surface facing the core. Such a large-area layer can be easily created in terms of production technology by at least one of the material cuts being underlaid with an adhesive gauze, in particular over the entire surface, on its surface facing the core .

Die Klebegaze kann dabei eine flexible, in alle Richtungen elastisch dehnbare, netzähnliche Struktur aufweisen. Es werden praktisch keine Anforderungen an ihre mechanische Stabilität gestellt. Insbesondere kann die Klebegaze durch eine in sich unregelmäßige Vlieslage ohne Vorzugsrichtungen im Material gebildet sein. Ein derartiges Material kann sehr preiswert eingekauft werden und hat nur ein minimales Eigengewicht.The adhesive gauze can have a flexible, net-like structure that can be stretched elastically in all directions. There are practically no demands placed on their mechanical stability. In particular, the adhesive gauze can be formed by an intrinsically irregular fleece layer without any preferred directions in the material. Such a material can be bought very inexpensively and has only a minimal dead weight.

Eine solche Klebegaze ist zudem einfach zu verarbeiten und kann, da sie ohne Aktivierung ja noch nicht klebt, sehr vorteilhaft durch Walzen mit dem Material des jeweiligen Materialzuschnitts verbunden sein. Eine hinreichende Haftung am (noch nicht geschnittenen oder gestanzten) bahnförmigen Material des Materialzuschnitts wird dabei allein durch den Walzprozess erreicht.Such an adhesive gauze is also easy to process and, since it does not yet stick without activation, can very advantageously be connected to the material of the respective material blank by rolling. Adequate adhesion to the (not yet cut or punched) web material of the material blank is achieved solely by the rolling process.

Die Naht kann über Aktivierung der zumindest einen Klebelage durch Ultraschall-, Hochfrequenz-, Kalt- oder Heißverklebung erreicht sein.The seam can be achieved by activating the at least one adhesive layer by ultrasonic, high-frequency, cold or hot bonding.

Beide Seiten des Reinigungskissens können antibakteriell, zumindest begrenzt viruzid sein und weiter für eine große Flexibilität unterschiedlich sein, zum Beispiel eine Seite mit Mikrofaser belegt zur Feuchtreinigung und eine Seite mit Kunstleder belegt zur Trocknung. Auch ein einheitlicher Bezug (zum Beispiel als Leder, Textilleder oder Kunstfaser) ist alternativ möglich. Die Materialzuschnitte können aus Vliesstoff, z. B. auf Polyamid- oder Polyurethan-Basis oder aus Velours- oder Frottiergewebe oder -gewirke von unterschiedlichen Reinigungseigenschaften oder Antibeschlageigenschaften, bestehen. Besonders vorteilhaft besteht wenigstens einer der Materialzuschnitte aus stark reinigendem sowie schmutzaufnehmendem Mikrofaser-Material. Ein insbesondere aus Kunstleder (Lederimitat) gefertigter Materialzuschnitt kann zahlreiche durchgehende Öffnungen aufweisen. Das Kunstleder kann einen velourartigen, weichen, samtigen Griff haben, welcher optisch und haptisch dem echten Wildleder entspricht.Both sides of the cleaning pad can be antibacterial, at least to a limited extent virucidal and can also be different for greater flexibility, for example one side lined with microfiber for wet cleaning and one side lined with imitation leather for drying. Alternatively, a uniform cover (e.g. leather, textile leather or synthetic fibre) is also possible. The material blanks can be made of non-woven material, e.g. B. based on polyamide or polyurethane or made of velor or terry fabrics or knitted fabrics different cleaning properties or anti-fog properties. Particularly advantageously, at least one of the material cuts consists of highly cleaning and dirt-absorbing microfiber material. A material blank made in particular from synthetic leather (imitation leather) can have numerous continuous openings. The imitation leather can have a velour-like, soft, velvety feel, which corresponds to real suede in terms of look and feel.

Der Kern selbst kann günstig aus einem dauerelastischen, offenzelligen Weichschaum, beispielsweise Polyurethan- Weichschaum, oder aus einer Weichschaum-Vliesstoff-Materialkombination bestehen. Auch ein Recycling-Granulat, zum Beispiel aus Reifen-Resten, ist möglich. Das Material für den Kern kann in Form einer Schüttung oder aus einem Block vorliegen. Außerdem kann der Kern aus wenigstens zwei weichen Materialschichten bestehen, von denen die eine Schicht aus Weichschaum und die andere aus einem Textilmaterial, wie polsterndes Wattevlies, hergestellt ist. Als Weichschaum kann auch Silikonschaum oder bioabbaubarer Viskoseschaum eingesetzt sein.The core itself can advantageously consist of a permanently elastic, open-cell flexible foam, for example flexible polyurethane foam, or of a combination of flexible foam and non-woven material. A recycling granulate, for example from tire residues, is also possible. The material for the core can be in the form of a bulk or block. In addition, the core can consist of at least two layers of soft material, of which one layer is made of flexible foam and the other layer is made of a textile material, such as padding fleece. Silicone foam or biodegradable viscose foam can also be used as the soft foam.

Insbesondere kann auf einer oder beiden Seiten wenigstens ein Bild, Logo, Werbebotschaft oder dergleichen ein- oder mehrfarbig, bis zum äußersten Rand, über die Klebe- oder Schweißnaht hinaus, aufgetragen sein. Bild, Logo, Schriftzug bzw. Werbeslogan können mit Hilfe eines an sich bekannten Druckverfahrens ein- oder mehrfarbig sowie im Fotodruck oder Prägedruck aufgebracht sein.In particular, at least one image, logo, advertising message or the like can be applied to one or both sides in one or more colors, up to the outermost edge, beyond the glued or welded seam. The image, logo, lettering or advertising slogan can be applied in one or more colors using a printing process known per se, as well as in photo printing or embossing.

Bei einem Herstellungsverfahren ist es zunächst angebracht, wenn zunächst zwei Materialbahnen bereitgestellt werden, von denen zumindest eine mit einer elastischen Lage von aktivierbarem Klebermaterial versehen und erst im so beschichteten Zustand zu einem Materialzuschnitt ausgeschnitten oder ausgestanzt wird. Die Verbindung mit der Klebemateriallage ist dann besonders einfach und preiswert möglich.In a manufacturing process, it is initially appropriate if two webs of material are initially provided, of which at least one is provided with an elastic layer of activatable adhesive material and is only cut out or punched out into a material blank in the coated state. The connection with the layer of adhesive material is then possible in a particularly simple and inexpensive manner.

Weiter kann dann einer der Materialzuschnitte in einen Kasten eingelegt werden, wobei ein insbesondere quaderförmiger, elastisch verformbarer Kern auf diesen Materialzuschnitt und auf den Kern der zweite Materialzuschnitt aufgelegt wird, wobei der erste und der zweite Materialzuschnitt den Kern seitlich überragen und wobei nachfolgend beide Materialzuschnitte unter Einfassung des Kerns aufeinandergedrückt werden und dabei die Klebelage angelöst wird und die Materialzuschnitte miteinander verklebt und/oder verschweißt werden. Dadurch ergibt sich der breite Randbereich, der stabil und bis außen hin geschlossen ist und der zusätzlich beschriftet werden kann.Furthermore, one of the material blanks can then be placed in a box, with an in particular cuboid, elastically deformable core being placed on this material blank and the second material blank being placed on the core, with the first and second material blank projecting laterally beyond the core and with both material blanks subsequently being placed underneath Edge of the core are pressed together and thereby the adhesive layer is dissolved and the material blanks are glued together and / or welded. This results in the wide edge area, which is stable and closed to the outside and which can also be labeled.

Einfach und zuverlässig ist das Verschweißen und/oder Verkleben durch Hochfrequenzeinwirkung aktivierbar. Diese Form der Verbindung schafft einen gleichmäßigen Übergang zwischen den zusammengefügten Materialien und garantiert so sehr hohe Nahtfestigkeiten. Es entstehen keine Lücken und Zwischenräume, wo sich Schmutzpartikel ansammeln können, die so die Haltbarkeit des Reinigungskissen negativ beeinflussen. Darüber hinaus kann die Naht luft- und wasserdicht ausgebildet sein.Welding and/or gluing can be activated simply and reliably by high-frequency exposure. This form of connection creates an even transition between the joined materials and thus guarantees very high seam strength. There are no gaps or spaces where dirt particles can accumulate, which would negatively affect the durability of the cleaning pad. In addition, the seam can be airtight and watertight.

Während der Herstellung des Reinigungskissens sollte der Kern mit einer Aussparung und zumindest ein Materialzuschnitt vor oder nach der Verklebung und/oder Verschweißung mit einer Öffnung versehen werden und nach der Verklebung und/oder Verschweißung das Vorratsteil durch die Öffnung in die Aussparung geführt werden.During the production of the cleaning pad, the core should be provided with a recess and at least one material blank should be provided with an opening before or after the gluing and/or welding, and after the gluing and/or welding the storage part should be guided through the opening into the recess.

Weitere Vorteile und Merkmale der Erfindung ergeben sich aus in der Zeichnung dargestellten und nachfolgend beschriebenen Ausführungsbeispielen des Gegenstandes der Erfindung.Further advantages and features of the invention result from the exemplary embodiments of the subject matter of the invention illustrated in the drawing and described below.

In der Zeichnung zeigt:

Fig. 1
eine Ausführungsform des Reinigungskissen gemäß der Erfindung in einer perspektivischen Ansicht;
Fig. 2
das Reinigungskissen aus Figur 1, dessen Ränder eine nach innen gewölbte Form aufweist und
Fig. 3 bis Fig. 4
eine schematische Übersicht des Herstellungsverfahrens des erfindungsgemäßen Reinigungskissens.
In the drawing shows:
1
an embodiment of the cleaning pad according to the invention in a perspective view;
2
the cleaning pad off figure 1 , whose edges have an inwardly curved shape and
Figures 3 to 4
a schematic overview of the manufacturing process of the cleaning pad according to the invention.

Figur 1 zeigt ein Reinigungskissen, das mit dem Bezugszeichen 100 versehen ist und das einen Kern 1 aus elastisch verformbarem Material, wie etwa überwiegend offenporigem Polyurethan-Weichschaum, und einen diesen außenseitig umgreifenden Reinigungsbezug 2 aufweist. figure 1 Fig. 1 shows a cleaning pad, indicated by reference numeral 100, having a core 1 of elastically deformable material, such as predominantly open-pored flexible polyurethane foam, and has a cleaning cover 2 encompassing this on the outside.

Der Reinigungsbezug 2 besteht, wie Figur 2 weiter verdeutlicht, aus zwei flächigen, deckungsgleichen Materialzuschnitten 11, 12, wobei der Zuschnitt 11 aus Mikrofaser und der Zuschnitt 12 aus Kunstleder 2a gefertigt ist. Neben den genannten Materialien ist eine Vielzahl weiterer Materialien grundsätzlich einsetzbar. Die Auswahl der Materialien richtet sich nach den jeweils gewünschten Eigenschaften. Die Materialzuschnitte 11, 12 sind mit Übermaß gegenüber dem in Figur 1 gezeigten Kern 1 ausgebildet und in ihrem äußeren Randbereich miteinander über eine seitlich abstehende und insbesondere umlaufende Klebe- und/oder Schweißnaht miteinander verbunden. Wie Figur 2 weiter zeigt, zeichnet sich das Reinigungskissen 100, dessen maximalste Länge ca. 12cm und maximalste Breite ca. 7cm ist, durch eine besondere Form aus, indem der Reinigungsbezug 2 an seinen Rändern eine nach innen gewölbte Form aufweist.The cleaning cover 2 is how figure 2 further clarified, from two flat, congruent material blanks 11, 12, wherein the blank 11 is made of microfiber and the blank 12 is made of synthetic leather 2a. In addition to the materials mentioned, a large number of other materials can in principle be used. The choice of materials depends on the properties required in each case. The material blanks 11, 12 are oversized compared to the in figure 1 Core 1 shown is formed and connected to one another in its outer edge region via a laterally projecting and in particular circumferential adhesive and/or welded seam. how figure 2 further shows that the cleaning pad 100, the maximum length of which is approximately 12 cm and the maximum width of approximately 7 cm, is characterized by a special shape in that the cleaning cover 2 has an inwardly curved shape at its edges.

Optional ist der Materialzuschnitt 12 aus einem hochwertigen Naturleder, beispielsweise aus feinstem, weichem Elchleder gefertigt. Damit das Naturleder mit dem zweiten Materialzuschnitt 11 aus Mikrofaser-Frottiergewebe verklebt werden kann, ist es vorgesehen, den ledernen Materialzuschnitt 12 auf wenigstens auf seiner dem Kern 1 zugewandten Oberfläche zumindest im Randbereich mit einem thermisch aktivierbaren Klebstoff zu beschichten, insbesondere mit einer Klebegaze flächig zu verbinden. Diese kann luft- und wasserdurchlässig sein und eine insgesamt ungeordnete Struktur aufweisen.The material blank 12 is optionally made from a high-quality natural leather, for example from the finest, soft elk leather. So that the natural leather can be glued to the second material cut 11 made of microfiber terry cloth, it is provided that the leather material cut 12 be coated at least on its surface facing the core 1 with a thermally activatable adhesive, at least in the edge region, in particular with an adhesive gauze over the entire area associate. This can be air and water permeable and have an overall disordered structure.

Das Reinigungskissen 100 dient insbesondere zum Behandeln von glatten Oberflächen, wie etwa Scheiben oder lackierten Flächen, und kann dabei auch ohne Reinigungsmittel verwendet werden, zum Beispiel zum Abtransport von Feuchtigkeit.The cleaning pad 100 is used in particular for treating smooth surfaces, such as panes or painted surfaces, and can also be used without cleaning agents, for example to remove moisture.

Die beiden Materialzuschnitte 11, 12 können unterschiedliche Reinigungseigenschaften, Antibeschlageigenschaften und/oder Farben aufweisen. Insbesondere ist eine Materialpaarung aus einer Mikrofaserlage und einer Kunstlederlage oder eine Paarung aus einer Polyester-Textil-Lage und einer Kunstlederlage möglich. Auch andere textil- und/oder lederartige Ausbildungen sind für den Reinigungsbezug 12 möglich, insbesondere kann auch ein mit Polyurethan beschichteter Träger aus Kunst- oder Naturfasern als kunstlederartige Seite verwendet werden.The two material cuts 11, 12 can have different cleaning properties, anti-fog properties and/or colors. In particular, a material pairing of a microfiber layer and an imitation leather layer or a pairing of a polyester textile layer and an imitation leather layer is possible. Also other textile and/or leather-like designs are possible for the cleaning cover 12, in particular a polyurethane-coated carrier made of synthetic or natural fibers can also be used as the synthetic leather-like side.

In das Innere des Kerns 1 ist, wie Figur 1 zeigt, ein Behälter 6 eingelassen, der ein aus Kunststoff oder Glas gefertigtes mit Reinigungsmittel nachfüllbares Vorratsteil 4 und einen mit einem Gewinde 3 versehenen Hals 7 aufweist, in den ein Sprühkopf 8 eingebaut ist, wobei sich oberhalb der zum Hals 7 zugewandten Seite des Vorratsteils 4 eine Öffnung 9 in dem Reinigungsbezug 2 befindet, über der des Halses 7 angeordnet ist. Der Hals 7, der in der Öffnung 9 eingefasst ist, ist über das Gewinde 3 abschraubbar, d.h. er ist abnehmbar und auswechselbar mit dem Behälter 6 verbunden.Into the interior of the core 1 is how figure 1 shows, a container 6 is embedded, which has a supply part 4 made of plastic or glass that can be refilled with cleaning agent and a neck 7 provided with a thread 3, in which a spray head 8 is installed, with above the side of the supply part 4 facing the neck 7 there is an opening 9 in the cleaning cover 2 over which the neck 7 is placed. The neck 7, which is enclosed in the opening 9, can be unscrewed via the thread 3, ie it is connected to the container 6 in a removable and replaceable manner.

Zudem ist das in Figur 1 gezeigte Reinigungskissen mit einer Schutzkappe 10 versehen, die auf den Sprühkopf 8 gesteckt werden kann. Figur 1 verdeutlicht weiter, dass das Vorratsteil 4 durch die Öffnung 9 durchführbar ist. Hierzu sind die Querschnittsfläche des Vorratsteils 4, der in der in Figur 1 gezeigten Ausführungsform zylinderförmig ist, und die Querschnittsfläche der Öffnung 9 deckungsgleich, wobei der Kern 1 eine Aussparung 5 aufweist, in die der Behälter 6 mit seinem Vorratsteil 4 passgenau eingeführt ist. Um einen festen Sitz des Vorratsteils 4 in dem Kern 1 zu gewährleisten, sind auch die Querschnittsfläche des Behälters 6 und die Querschnittsfläche der Aussparung 5 deckungsgleich.In addition, this is in figure 1 cleaning pad shown provided with a protective cap 10 which can be placed on the spray head 8. figure 1 further clarifies that the storage part 4 can be passed through the opening 9 . For this purpose, the cross-sectional area of the storage part 4, which is in figure 1 shown embodiment is cylindrical, and the cross-sectional area of the opening 9 congruent, wherein the core 1 has a recess 5, in which the container 6 is inserted with its storage part 4 with a precise fit. In order to ensure that the storage part 4 is firmly seated in the core 1, the cross-sectional area of the container 6 and the cross-sectional area of the recess 5 are also congruent.

Um ein solches, insgesamt schwammartiges Reinigungskissen 100, herzustellen, werden zunächst, wie aus Figur 3 hervorgeht, für eine obere und eine untere zu bildende Lage zwei Materialbahnen bereitgestellt werden, von denen zumindest eine mit einer Klebelage versehen und im so beschichteten Zustand zu einem Materialzuschnitt 11,12 ausgeschnitten wird, wobei ein insbesondere quaderförmiger, elastisch verformbarer Kern 1 auf einen ersten Materialzuschnitt 11 und auf den Kern 1 der zweite Materialzuschnitt 12, dessen Material 12 aus Leder 14 ist, aufgelegt wird, wobei der erste und der zweite Materialzuschnitt 11, 12 den Kern 1 seitlich am Rand 13 überragen und wobei nachfolgend beide Materialzuschnitte 11, 12unter Einfassung des Kerns 1 aufeinandergedrückt werden und dabei die Klebelage 15 angelöst wird und die Materialzuschnitte 11,12 miteinander verklebt und/oder verschweißt werden.In order to produce such an overall spongy cleaning pad 100, first how from figure 3 shows that two webs of material are provided for an upper and a lower layer to be formed, at least one of which is provided with an adhesive layer and in the coated state is cut out to form a material blank 11,12, with an in particular cuboid, elastically deformable core 1 on a first Material blank 11 and the second material blank 12, the material 12 of which is made of leather 14, is placed on the core 1, with the first and the second material blank 11, 12 protruding over the core 1 laterally at the edge 13 and with both material blanks 11, 12 subsequently being enclosed of the core 1 are pressed together and the adhesive layer 15 is partially dissolved and the material blanks 11, 12 are glued to one another and/or welded.

Während der Herstellung des Reinigungskissens werden der Kern 1 mit einer gestanzten Aussparung 5 und zumindest ein Materialzuschnitt 11,12 vor oder nach der Verklebung und/oder Verschweißung mit einer gestanzten Öffnung 9 versehen. Nach der Verklebung und/oder Verschweißung wird der Behälter 6 mit seinem Vorratsteil 4 - wie Figur 4 verdeutlicht - durch die Öffnung in die in Figur 3 gezeigte Aussparung 5 geführt wird. Der Behälter 6 ist dabei, wie der Pfeil 18 in Figur 4 andeutet, auswechselbar.During the manufacture of the cleaning pad, the core 1 is provided with a punched recess 5 and at least one material blank 11, 12 is provided with a punched opening 9 before or after gluing and/or welding. After gluing and / or welding, the container 6 with its storage part 4 - like figure 4 clarified - through the opening into the in figure 3 shown recess 5 is performed. The container 6 is there, as indicated by the arrow 18 in figure 4 indicates interchangeable.

Claims (18)

  1. A cleaning pad (100) for treating smooth surfaces in particular, wherein the cleaning pad (100) comprises an elastically deformable core (1) and a cleaning cover (2) surrounding the core, a container (4) being introduced into the interior of the core (1), the container having a supply part (6) and a neck (7) into which a spray head (8) is built, there being an opening (9) in the cleaning pad (2) above the side of the container (4) facing the neck (7), at least part of the neck (7) being disposed above the opening.
    characterized in that
    the supply part (6) can be passed through the opening (9), the cross-sectional area of the opening (9) being at least equal to the cross-sectional area of the supply part (6).
  2. The cleaning pad according to claim 1,
    characterized in that
    the cross-sectional area of the supply part (6) and the cross-sectional area of the opening (9) are congruent.
  3. The cleaning pad according to one of claims 1 or 2,
    characterized in that
    the supply part (6) is cuboid, cylindrical, prism-shaped or is made in the shape of a hexagonal prism.
  4. The cleaning pad according to one of claims 1 to 3,
    characterized in that
    the supply part (6) is bordered in the opening (9).
  5. The cleaning pad according to one of claims 1 to 3,
    characterized in that
    the neck (7) is bordered in the opening (9).
  6. The cleaning pad according to one of the preceding claims,
    characterized in that
    the core (1) comprises a cavity (5) into which the supply part (6) is inserted.
  7. The cleaning pad according to claim 6,
    characterized in that
    the cross-sectional area of the supply part (6) and the cross-sectional area of the cavity (5) are congruent.
  8. The cleaning pad according to one of claims 6 or 7,
    characterized in that
    at least a part of the outer surface of the supply part (4) and/or at least a part of the inner surface of the cavity (5) is provided with an adhesive.
  9. The cleaning pad according to one of the preceding claims,
    characterized in that
    at least a part of the cleaning cover (2) is a type of leather.
  10. The cleaning pad according to one of the preceding claims,
    characterized in that
    the cleaning cover (2) has an inwardly-curving shape at the edges thereof.
  11. The cleaning pad according to one of the preceding claims,
    characterized in that
    the core (1) is split in two and half-cavities are made in the separate halves.
  12. The cleaning pad according to one of the preceding claims,
    characterized in that
    the cleaning cover (2) consists of two material blanks (11, 12) which encapsulate the core (1) therebetween and which are connected together using at least an adhesive and/or a weld seam at an edge area (13) surrounding the core (1), at least one of the material blanks (11,12) being coated on the surface thereof facing the core (1) by an activatable or activated adhesive material at least in said edge area (13) of said at least one material blank.
  13. The cleaning pad according to claim 12,
    characterized in that
    the adhesive material is thermally activatable or activated for forming a seam.
  14. The cleaning pad according to claim 12 or 13,
    characterized in that
    the seam is closed up to the outermost edge and has a width of at least two millimeters.
  15. The cleaning pad according to one of claims 12 to 14,
    characterized in that
    the adhesive material is applied as an activatable layer on at least one of the material blanks (11, 12) on the entire surface thereof facing the core (1).
  16. The cleaning pad according to claim 15,
    characterized in that
    on the surface (8) facing the core (1) of at least one of the material blanks (11,12), an adhesive gauze material (15) is provided on the bottom.
  17. A method for manufacturing a cleaning pad (100) according to one of the preceding claims, wherein
    two material webs are prepared for an upper and a lower layer to be formed, at least one of said webs being provided with an adhesive layer and cut out into a material blank (11,12) so coated, wherein a core (1), in particular a cuboid, elastically deformable core, is placed onto a first material blank (11,12), and the second material blank (11,12) is placed onto the core (1), the first and the second material blanks (11,12) laterally protruding past the core (1), both material blanks (11,12) being then pressed together, encapsulating the core (1), and thereby dissolving the adhesive layer and gluing and/or welding the material blanks (11,12) together,
    characterized in that
    during the manufacture of the cleaning pad, the core (1) is provided with a cavity (5) and at least one material blank (11, 12) is provided with an opening before or after the gluing and/or welding, and after the gluing and/or welding the container (4) is passed through the opening (9) into the cavity (5).
  18. The method according to claim 17,
    characterized in that
    the welding and/or gluing can be activated using high-frequency exposure.
EP21749083.8A 2020-07-07 2021-07-07 Cleaning pad for the treatment of surfaces Active EP4021269B1 (en)

Applications Claiming Priority (2)

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DE102020117922.7A DE102020117922A1 (en) 2020-07-07 2020-07-07 Cleaning pad for treating surfaces
PCT/DE2021/100594 WO2022008004A1 (en) 2020-07-07 2021-07-07 Cleaning pad for treating surfaces

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EP4021269B1 true EP4021269B1 (en) 2023-01-11

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US (1) US20230284859A1 (en)
EP (1) EP4021269B1 (en)
JP (1) JP2023532791A (en)
KR (1) KR20230035077A (en)
CN (1) CN116322456A (en)
DE (1) DE102020117922A1 (en)
DK (1) DK4021269T3 (en)
ES (1) ES2942173T3 (en)
FI (1) FI4021269T3 (en)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022002836A1 (en) 2022-08-04 2024-02-15 Bernd Hallerbach Cleaning element
DE202023103962U1 (en) 2023-07-14 2023-07-25 Ulrich Pohlmann Cleaning device for smooth surfaces

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT226412B (en) 1961-02-03 1963-03-25 Konrad Tulla Sponge, especially plastic sponge or the like.
DE29508348U1 (en) 1995-05-23 1995-07-13 Griebe, Oliver, 46395 Bocholt Mop pad
DE19607209A1 (en) * 1996-02-26 1997-08-28 Gregor Kohlruss Cleaning device for cleaning flat objects
DE29807336U1 (en) 1998-04-23 1998-10-15 Maiorana, Michele, 66763 Dillingen Cleaning sponge with integrated liquid container
CN201029852Y (en) 2007-04-12 2008-03-05 上海齐迈五金有限公司 Cleaning block with embedded liquid
CN201320145Y (en) 2008-12-19 2009-10-07 黄丽芳 Portable dual-purpose sponge scouring pad
DE202014103639U1 (en) 2014-08-05 2014-10-21 Ulrich Pohlmann Cleaning pad for treating soiled smooth surfaces with adhesive seam or weld

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CN116322456A (en) 2023-06-23
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PL4021269T3 (en) 2023-06-05
ES2942173T3 (en) 2023-05-30
KR20230035077A (en) 2023-03-10
FI4021269T3 (en) 2023-04-25
EP4021269A1 (en) 2022-07-06
WO2022008004A1 (en) 2022-01-13
DE102020117922A1 (en) 2022-01-13

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