DK3087895T3

DK3087895T3 - Flat mop

Info

Publication number: DK3087895T3
Application number: DK15165806.9T
Authority: DK
Inventors: Edward Becker; Terry Becker
Original assignee: Hydroflex Ohg
Priority date: 2015-04-29
Filing date: 2015-04-29
Publication date: 2019-02-11
Also published as: ES2706189T3; EP3087895A1; EP3087895B1

Description

Description [0001] The present invention relates to a flat mop, in particular a single-use flat mop, as well as the use of the flat mop for cleaning cleanrooms.

[0002] Cleaning companies routinely use flat mops for cleaning floors. Single-layer and multi-layer flat mop systems are deployed in the process. Whereas little attention has to be paid to the selection of the material, the type of manufacture and the construction for conventional cleaning purposes, it is, on the other hand, essential to ensure a very demanding range of properties are reliably provided for flat mops which are to be deployed for cleaning cleanrooms, in particular for cleaning sterile cleanrooms. Cleanrooms have to be cleaned in a way that can exclude the risk of contamination, while simultaneously guaranteeing a high level of cleaning performance. This profile of requirements is, in general, associated with costly production as well as the deployment of high-quality or respectively specially selected materials. For ecological considerations and also for cost reasons, multiple-use flat mops have mostly been deployed up to now for cleaning cleanrooms. Known flat mops are substantially flat and have an elongated shape. They have fastening means for a flat mop holder on the wrapper side. In this case, retaining pockets affixed at the ends to a rectangular wrapper side are frequently deployed. In general, the multiple-use flat mop is moistened by being completely or partially dipped into a container filled with fluid. This usually requires the deployment of a cleaning trolley which comprises at least two or more receiving containers.

[0003] WO 2009095736 relates to a flat mop which is covered with microfibers on a front and has on said front grooves which are free from microfibers. The aim of the grooves is to serve as a receiving region for dirt, while the microfibers constitute the active regions which are in contact with the floor.

[0004] DE 10 2012 012 4002 relates to a flat wiping cloth for cleanrooms, which has a base without attached threads. Dispensing with threads makes the flat wiping cloth particularly well suited to cleanrooms, since fewer particles are released. The base comprises a flat textile material which can be a machine-knitted fabric, a knitted fabric, a woven fabric or a nonwoven fabric.

[0005] DE 20 2007 011 580 U1 describes a mop which has a wrapper made of tough manmade fibers, wherein a wiping surface made of microfiber plush is provided. In this case, the wiping surfaces have freely movable blades at the edges on the underside of the flat mop.

[0006] DE 10 2012 012 402 describes a flat wiping cloth for cleanrooms, wherein the textile material can be configured as a machine-knitted fabric, a knitted fabric, a woven fabric or a nonwoven fabric. The flat wiping cloth has a pivotable cleaning lip. In this case, the cleaning surface does not have a base fabric with attached threads.

[0007] DE 101 34 948 likewise describes a mop system for cleanrooms, wherein the mop absorbs chemicals, water and oils better. In this case, loops made of threads are deployed, which are manufactured from ultrafine continuous polyester yarn or nylon. The wrapper can, in this case, be produced from a PU-coated raschel cloth or from a mesh cloth coated with PVC (polyvinylchloride).

[0008] One particular challenge during the development of flat mop systems for cleanrooms is the level of cleanliness to be attained, combined with a controlled supply of disinfecting and/or cleaning fluids for optimum moistening purposes. If the flat mop is not sufficiently soaked or moistened, it is frequently the case that a continuous film of fluid is not formed on the surface to be cleaned. Complete disinfection or cleaning does not take place. If, on the other hand, too much fluid is introduced into the mop during soaking, there is a risk that dirt particles will not be absorbed by the fiber structure of the cleaning surface or respectively retained therein. In addition, not only does the cleaning layer have to absorb all ofthe microparticles and not release them again, but likewise it has to guarantee that any dirt particles are removed from the base area to be cleaned, absorbed in the cleaning layer and not released again.

[0009] The object forming the basis of the present invention was to therefore overcome the aforementioned disadvantages of the prior art and to provide a flat mop which, in addition to reliable and controlled moistening of, in particular, cleanroom surfaces, also constantly guarantees a high cleaning power. In addition, it is an object to provide a flat mop which can also be used with conventional flat mop holders and moistening systems.

[0010] Accordingly, a flat mop, in particular a single-use flat mop, having a wrapper layer and an opposite cleaning layer, which has a first edge and an opposite second edge, was discovered, wherein the cleaning layer has or constitutes a woven, knitted or machine-knitted layer, having a front and a back, containing or consisting of microfiber ma terial and fiber material which is not microfiber material (non-microfiber material), and wherein the wrapper layer has or constitutes a reinforced, nonwoven material, in particular comprising or consisting of polyester fibers, wherein the front and, if applicable, the back of the cleaning layer has/have alternating first and second strip-type areas which in particular run substantially parallel and which extend from or at a distance from the first edge in the direction ofthe second edge or up to the second edge, wherein the first areas ofthe cleaning layer contain on the front and, in particular, also predominantly, in particular substantially exclusively, on the back, woven, knitted or machine-knitted microfiber material or consist hereof, and wherein the second areas of the cleaning layer contain predominantly, in particular substantially exclusively, on the front, woven, knitted or machine-knitted non-microfiber material, i.e. fiber material which is not a microfiber material, or consist hereof.

[0011] Microfibers within the meaning of the invention are routinely very fine fibers having a fineness smaller than or equal to 1.5 den. It is particularly suitable for the purposes of the present invention if recourse is had to those microfibers which have a fineness smaller than or equal to 1.0 den, preferably smaller than or equal to 1 dtex and, in particular, in the range of 0.3 dtex to 0.8 dtex.

[0012] The microfiber material and, in particular, the continuous microfibers are advantageously distinguished by the fact that they are hard-wearing and dimensionally stable. Microfibers like synthetic chemical fibers routinely emit far fewer particles than conventional natural fibers. In general, microfibers comprise ultrafine fibers which penetrate very small irregularities of a surface better and can absorb even very small particles there, by way of example in the micrometre range. As a rule, the microfiber materials indicated in this application only absorb a little water, are in general relatively unbreakable, and preferably have a high shape retention as well as good chemical and thermal resistance.

[0013] The average fineness of the fibers of the non-microfiber material is constantly above the average fineness of the fibers of the microfiber material deployed in the flat mop according to the invention. The absolute fineness of the fibers of the non-microfiber material is also preferably constantly above the absolute fineness of the fibers of the microfiber material deployed in the flat mop according to the invention.

[0014] The object forming the basis of the invention is also very particularly advantageously achieved by those flat mops according to the invention, in which the first areas of the cleaning layer contain on the front and, predominantly, in particular substantially ex clusively, on the back woven, knitted or machine-knitted microfiber material or consist hereof, and in which the second areas of the cleaning layer contain predominantly, in particular substantially exclusively, on the front, woven, knitted or machine-knitted nonmicrofiber material, and predominantly, in particular substantially exclusively, on the back, woven, knitted or machine-knitted microfiber material or consist hereof. A particularly good and, in particular, also more uniform fluid distribution is attained with these embodiments.

[0015] The second strip-type areas are particularly suitable for detaching adherent dirt particles because of their greater hardness or respectively stiffness with respect to the first strip-type areas. In this case, these second strip-type areas assume a brush function or respectively a brush-like function.

[0016] The shape or respectively geometry of the strip-type first and second areas can be chosen within wide ranges. The first and second strip-type areas are preferably provided in the form of longitudinal strips which extend from or at a distance from the first edge in the direction of the second edge or up to the second edge, preferably from the first up to the opposite second edge. In one expedient embodiment, the first and/or second areas assume a substantially rectangular basic form. If the flat mop according to the invention has a substantially rectangular basic form, the first and the second edge routinely configure the narrow sides of this basic form. In this case, the strip-type areas extend preferably in the form of longitudinal strips substantially parallel to the longitudinal sides of the substantially rectangular basic form. The average width of the first and/or second strip-type areas, in particular in the form of longitudinal strips, i.e. the extent substantially parallel to the first and/or second edge is usually in the range of 0.3 cm to 4 cm, preferably in the range of 0.5 cm to 3 cm and, particularly preferably, in the range of 0.75 cm to 1.5 cm. If the first and/or second areas are in the form of longitudinal strips, their width constitutes the distance between the opposite longitudinal strips.

[0017] The first and second strip-type areas are particularly preferably an integral part of a woven fabric, knitted fabric or machine-knitted fabric. The first and second strip-type areas, in particular also in the previously indicated embodiment, each particularly preferably immediately adjoin one another or respectively merge with one another.

[0018] The cleaning layer within the meaning of the present invention is provided on that side of the flat mop, which comes into contact with the surface to be cleaned during the cleaning process. This side is also referred to as the front of the flat mop. The fact that the flat mop according to the invention has on its front a machine-knitted, knitted or woven layer means that the cleaning surface is equipped with an unregular surface structure or respectively three-dimensionality, by way of example in contrast to the smooth surface of a clamped cleaning cloth. The cleaning layer is accordingly part of the front or respectively forms this. The cleaning layer can itself be divided in turn into a front surface and a back surface or respectively portions. On the front, the cleaning layer comes into contact with the surface to be cleaned during generic use. On the other hand, the cleaning layer on the back faces the wrapper layer or respectively the intermediate layer.

[0019] The wrapper layer within the meaning of the present invention is provided on the side of the flat mop according to the invention which is opposite the front. This side is also referred to as the back of the flat mop. The wrapper layer is accordingly part of the back or respectively forms this. The wrapper layer comprises a reinforced nonwoven or is respectively formed herefrom. The reinforcement of fiber materials is known to persons skilled in the art and can, for example, be carried out by water jet treatment. Recourse is preferably had to polyester fibers for the nonwoven material of the wrapper layer. Alternatively, the nonwoven material of the wrapper layer can also comprise polyolefin fibers, in particular polypropylene fibers or consist hereof. Additionally, fiber mixtures can also be deployed for the nonwoven material of the wrapper layer, by way of example containing or consisting of polyester and polypropylene fibers. In particular, it has surprisingly emerged when using polyester fibers that the wrapper layer is very abrasion-proof and has a pronounced resistance to gamma radiation. Therefore, very solid and stiff systems can also be obtained when using polyester fibers for the reinforced nonwoven of the wrapper layer. By deploying of the described wrapper layer, combined with the described cleaning layer containing the described strip-type areas which follow one another in an alternating form, during the cleaning process with the shaft and mop holder it can be, inter alia, achieved that no so-called rolling up or respectively deformation of the cleaning layer takes place.

[0020] The wrapper layer is, as a general rule, provided on the back with two engagement pockets which are located at a distance from one another, so that a flat mop holder can engage in these engagement pockets. The flat mop according to the invention routinely has a rectangular basic form. In this case, it can be provided in one configuration that the two engagement pockets are affixed opposite one another on the narrow sides.

[0021] Those flat mops according to the invention, in which the fibers of the nonmicrofiber material have a greater stiffness or respectively hardness than the fibers of the microfiber material, achieve the object which forms the basis of the invention particularly well.

[0022] Particularly suitable fibers of the microfiber material are, in this case, selected from the group consisting of polyamide microfibers, polyolefin microfibers and polyester microfibers or any mixture thereof. Among the polyolefin microfibers, polypropylene microfibers are particularly preferred. Among the polyester microfibers, recourse is preferably had to polyethylene terephthalate microfibers.

[0023] Alternatively or additionally, split conjugated microfibers, in particular polyam-ide/polyester microfibers, can also be used for the cleaning layer. Among the conjugated microfibers, those having a proportion of polyester fibers in the range of 60 to 90 wt.%, in particular in the range of 65 to 85 wt.%, and having a proportion of polyamide fibers in the range of 10 to 40 wt.%, in particular in the range of 15 to 35 wt.%, are particularly expedient.

[0024] By deploying microfiber material for the cleaning layer, the soiling of cleanrooms by fiber residue or so-called fluff can be particularly efficiently avoided.

[0025] Using polyester fibers for the fibers of the non-fiber material has proven to be particularly expedient. Here, polyethylene terephthalate fibers are particularly preferred.

[0026] As a general rule, suitable flat mops according to the invention or respectively the cleaning layer of such flat mops has/have a rectangular basic form, wherein the first and the second edge are arranged opposite one another. In general, the first and/or the second edge generally have a straight-line course. Those flat mops according to the invention, in which the first and/or second strip-type areas substantially extend at right angles to the first and/or second edge, have proven to be particularly expedient.

[0027] In order to be able to provide a flat mop which can be deployed and which is ready to deploy independently of the cleaning or respectively moistening unit, it has proven to be advantageous if the wrapper layer is configured to be permeable to disinfecting and/or cleaning fluids on both sides. In this way, it can also be provided that the flat mop is configured in such a way that, due to the disinfecting and/or cleaning fluid entering from the wrapper side, the cleaning layer is soakable/and or wettable with the disinfecting and/or cleaning fluids. An aqueous alcoholic system, e.g. containing 70 vol.-% i-propanol and 30 vol.-% water is a particularly suitable disinfectant for cleaning cleanrooms as well as for cleaning sterile rooms.

[0028] By deploying at least one, in particular two, engagement pockets for a flat mop holder provided on or affixed to the wrapper layer, the flat mop according to the invention can, as a general rule, be used with all common cleaning systems. This engagement pocket or respectively these engagement pockets can, in this case, be formed by folding down one or more edge portions of the flat mop, so that in the region of the engagement pocket or respectively engagement pockets the material of the wrapper layer rests on one another. It can also be provided that the edge portions folded down on one another are connected, in particular sewn, to one another along their circumferential edges, forming the engagement pocket.

[0029] In another preferred embodiment, the flat mop according to the invention additionally comprises at least one middle intermediate layer made of an unreinforced, nonwoven material or made of a foam material arranged between the cleaning layer and the wrapper layer. If an unreinforced, nonwoven material is deployed for the at least one intermediate layer, recourse is preferably had to a needle-punched nonwoven. The unreinforced, nonwoven material is, in this case, preferably based on staple fibers, in particular those having an average length in the range of 20 mm to 80 mm, preferably in the range of 30 mm to 70 mm and, particularly preferably, in the range of 40 mm to 60 mm.

[0030] In the flat mop according to the invention, in one particularly suitable embodiment, both the intermediate layer and the wrapper layer are nonwoven, wherein the intermediate layer preferably has unreinforced, nonwoven material and the wrapper layer has reinforced, nonwoven material or is respectively formed herefrom. Unreinforced, nonwoven material within the meaning of the present invention comprises that material which is immediately generated during nonwoven manufacture, including needle-punched nonwovens. Needle-punched nonwovens are, in general, unreinforced, nonwoven material which has been needle punched.

[0031] Suitable nonwoven materials comprise, in particular, those made from chemical fibers, e.g. from natural polymers such as viscose fiber nonwoven material, made of chemical fibers from synthetic polymers or from chemical fibers made of mineral materials. In addition to polyester nonwoven materials, suitable chemical fibers made of synthet ic polymers also comprise polyolefin nonwoven materials such as polypropylene and polyethylene nonwoven materials, polyamide nonwoven materials and aramid fiber nonwoven materials. Suitable chemical fibers made of mineral materials comprise, for example, glass fiber nonwoven materials and carbon fiber nonwoven materials. For the nonwoven material of the intermediate layer, recourse is preferably had to polyethylene terephthalate fibers, wherein these do not routinely have to be in the form of microfibers. Nevertheless, recourse can also be had to polyester microfibers for the nonwoven material of the intermediate layer, by way of example polyethylene terephthalate microfibers.

[0032] For the microfiber material of the cleaning layer, a continuous fiber is deployed in one particularly expedient configuration, and indeed irrespective of whether the front layer is a woven, knitted or machine-knitted layer made of microfiber material. Recourse is also particularly preferably had to continuous fibers for the non-microfiber material of the cleaning layer. In this case, the cleaning layer constitutes, in one suitable embodiment, a terry cloth or respectively fabric formed from microfiber material and non-microfiber material which is, in particular, circular knitted or warp-knitted. By configuring the cleaning layer as, in particular circular-knitted or warp-knitted, terry cloth or fabric, a trimming or respectively loop structure having a particularly pronounced cleaning action is obtained on the front. The terry cloth or respectively fabric is particularly preferably obtained by means of a circular knitting machine. Suitable circular knitting machines are known to the persons skilled in the art. Here, the manufacturing method is preferably adjusted in such a way that a loop trimming having a loop or respectively trimming height of not more than 4 mm and, in particular, of not more than 3 mm is obtained. The article obtained in accordance with this procedure is also designated “terry cloth”. Compliance with the previously indicated trimming height has also proven to be advantageous for cleaning layers manufactured in accordance with other methods.

[0033] Microfiber material of the cleaning layer preferably has an average fineness smaller than or equal to 1 dtex, in particular in the range of 0.3 dtex to 0.8 dtex. The fiber material of the intermediate layer preferably has an average fineness in the range of 0.5 dtex to 4 dtex, in particular in the range of 1 dtex to 3 dtex and, particularly preferably, in the range of 1.5 dtex to 2.5 dtex. The non-microfibers deployed in the flat mops according to the invention routinely have a significantly greater hardness or respectively stiffness than the microfibers. The fibers of the non-microfiber material of the cleaning layer can have an average fineness in the range above 15 den, in particular above 20 den and preferably above 25 den and, particularly preferably, in the range of 25 den to 50 den. The unit 1 den = 1g/9000m. And 10 dtex = 9 den.

[0034] The fineness or respectively the average fineness is determined on the basis of ISO 1144 and DIN 60905 Part 1.

[0035] The cleaning layer of the flat mops according to the invention preferably has a mass per unit area of at least 150 g/m2 or in the range of 150 g/m2 to 400 g/m2, preferably of at least 200 g/m2 or in the range of 200 g/m2 to 350 g/m2 and, particularly preferably, of at least 225 g/m2 or in the range of 225 g/m2 to 300 g/m2. In addition, the at least one intermediate layer can, in one suitable embodiment, have a mass per unit area in the range of 50 g/m2 to 200 g/m2, preferably in the range of 75 g/m2 to 175 g/m2 and, particularly preferably, in the range of 90 g/m2 to 150 g/m2, also referred to as the first intermediate layer material. In another suitable embodiment, the intermediate layer can have a mass per unit area of at least 150 g/m2 or in the range of 150 g/m2 to 400 g/m2, preferably of at least 200 g/m2 or in the range of 200 g/m2 to 350 g/m2, and, particularly preferably, of at least 225 g/m2 or in the range of 225 g/m2 to 300 g/m2, also referred to as the second intermediate layer material. With the flat mop according to the invention, two or more intermediate layers are preferably deployed, by way of example one layer made of the indicated first intermediate layer material and two intermediate layers made ofthe indicated second intermediate layer material. A very pronounced surface power of the flat mop according to the invention is made possible with such intermediate layers.

[0036] The wrapper layer is based, in one expedient configuration, on a spunbond material. In this case, it has proven to be sufficient for many applications to configure the wrapper layer with a single layer. Spunbonds are generally known to persons skilled in the art. In general, they are obtained from fibers which are spun from polymer melts penetrating nozzles and stretched by means of cold air and/or mechanically. These fibers are then, as a general rule, immediately configured into a spunbond or respectively configure this spunbond material following reinforcement. In general, spunbond materials can be traced back to continuous fibers. Reinforced spunbonds, by way of example water jet reinforced spunbond materials, constitute particularly suitable spunbonds. These can additionally have been calendared.

[0037] In general, the cleaning layer and the wrapper layer and, if applicable, the intermediate layer are connected to one another along their circumferential edges, in particular are sewn to one another. As a result, particularly fluff-proof or respectively fluff-free flat mops according to the invention are obtained. The layer on the front and the layer on the back as well as, if applicable, the intermediate layer are particularly preferably connected to one another along their circumferential edges by means of the overlook sewing method. The edge of one or more materials can be sewn using an overlook sewing machine. Very clean edges can be obtained with the overlook sewing method. Materials or netting placed over the edge contour on both sides can also be connected to the layer material to be sewn using the overlook method. A very reliable and tight edge finish is possible using the overlook method, so that it can be ensured that the intermediate layer material bound between the cleaning layer and the wrapper layer does not escape.

[0038] In one expedient configuration, the sewing of the edges of the cleaning and wrapper layer as well as, if applicable, the intermediate layer(s) can be used, in particular by means of the overlook method, to use a coloured sewing thread in order, in this way, to identify a product or respectively achieve a colour coding.

[0039] Expediently, the cleaning layer and the wrapper layer as well as, if applicable, the intermediate layer have a substantially identical basic form, so that when they lie above one another they are aligned with one another. In another alternative embodiment, the extent of the intermediate layer is slightly smaller than that of the front layer and that of the back layer, so that when the three layers are sewn, the intermediate layer is completely enclosed by the edge strips of the front and the back layer lying in contact with one another and sewn to one another, but is nevertheless preferably still connected, in particular sewn, to these.

[0040] It has proven to be sufficient or respectively particularly expedient for many cleaning applications to have recourse to those flat mops according to the invention, in which the cleaning layer has an average thickness of at least 0.5 mm or in the range of 0.5 mm to 5.0 mm, preferably of at least 1.0 mm or in the range of 1.0 mm to 4.5 mm and, particularly preferably, of at least 1.5 mm or in the range of 0.5 mm to 5.0 mm. If an intermediate layer is deployed, the average thickness thereof is advantageously in the range of 0.5 mm to 10 mm, preferably in the range of 1.0 mm to 8 mm and, particularly preferably, in the range of 2.0 to 5 mm.

[0041] The cleaning layer and the wrapper layer and, if provided, also the intermediate layer are also connected to one another, in one expedient configuration, in addition to the connection along the overlapping edges, between in particular the edges on the longitudinal sides, preferably by means of one or a plurality of stitches running at a distance from one another. In order to achieve the object forming the basis of the present invention, it has proven to be expedient that at least two, in particular at least three or four, first and second strip-type areas which follow one another in an alternating form are provided on the cleaning side of the cleaning layer. In the case of the strip-type areas which follow one another in an alternating form, (n + 1) first strip-type areas and n second strip-type areas are particularly preferably provided, wherein n is a whole number greater than or equal to 2. In particular, n is equal to 2, 3, 4 or 5. In a likewise preferred embodiment, it is provided that at least one second strip-type area, in particular at least two or all of the second strip-type areas, is bound in the alternating sequence of first and second strip-type areas in each case on both sides of a first strip-type area, or is respectively bordered on both sides or respectively delimited by a first strip-type area. In this way, both an extensive and uniform wetting of the surface to be cleaned with cleaning fluid as well as a high cleaning performance including reliable absorption ofthe dirt particles loosened from the surface can be attained.

[0042] The flat mops according to the invention can be used for cleaning cleanrooms or sterile cleanrooms. Here, multiple deployment can in principle also be considered. Here, it can be provided in one embodiment that the flat mop is deployed in a first, unused condition for cleaning cleanrooms and subsequently in a washed and/or decontaminated, second condition for cleaning rooms which are not cleanrooms. In the latter case, reference could then be made to a so-called multiple-use mop. With respect to cleaning cleanrooms, the flat mop according to the invention is preferably deployed as a singleuse flat mop. The term ‘cleanroom’ within the meaning of the present invention is to be understood to be a room in which the number and size ofthe particles in the ambient air is checked. Cleanrooms are classified into nine classes (ISO 1-9) in accordance with DIN EN ISO 14644-1, wherein each class makes provision for specific limits for particle size and number. By way of example, a flat mop, which is to be suitable for a cleanroom of ISO class 1, should not emit any particles greater than or equal to 100 nm in practice.

[0043] Furthermore, the object forming the basis ofthe patent is achieved by a cleaning device comprising an actuation element, in particular a shaft, and, connected or connectable to the actuation element, a flat mop holder as well as a flat mop according to the invention.

[0044] The present invention was based on the surprising discovery that inexpensive cleaning systems which are very suitable for cleaning cleanrooms can be obtained by means of multi-layer flat mops according to the invention. The invention makes possible economically and ecologically advantageous access to flat mops which can, in particular, be used as single-use flat mops for cleaning cleanrooms. The flat mops according to the invention provide at least the same level of quality during cleanroom cleaning as conventional multiple-use flat mop systems for cleaning cleanrooms. One particular advantage which is associated with using the flat mops according to the invention is the fact that a very high level of cleaning performance is attained. In particular, not only can residue which is adhering firmly to the surface to be cleaned be removed with the flat mop according to the invention, but it can also be immediately absorbed by the microfibers. By way of example, it is easily possible to remove cleaning agent residue which has dried onto the surface again with the flat mop according to the invention. Without being bound to a theory, it is presumed that the combination of alternating strip-type areas made of microfiber material and non-microfiber material for pronounced dirt elimination, paired with very good dirt particle absorption and a very good ability to retain dirt particles are contributing to the advantageous effect of the flat mop according to the invention. For example, particles in the micrometre range can be very efficiently absorbed and retained with the flat mops according to the invention. Moreover, the fact that the flat mop according to the invention is easy to use is considered by the user to be a particularly positive feature. The “adherence” to the surface to be cleaned which is otherwise observed in the case of flat mops having a continuous cleaning layer made of microfiber material is no longer observed. A lower pollution with bacterial cultures can additionally be achieved with the flat mop according to the invention due to an accelerated drying process.

[0045] Further features and advantages of the invention are set out by the following description, in which embodiment examples of the invention are explained by way of example with reference to a schematic drawing, without limiting the invention, wherein:

Fig. 1 shows the top view of the schematic representation of the cleaning layer of a flat mop according to the invention from the front, and

Fig. 2 shows the top view of the schematic representation of the wrapper layer of the flat mop according to the invention.

[0046] Fig. 1 shows the representation of a flat mop 1 according to the invention from the front, i.e. the front view of the cleaning layer 2 as it is deployed for cleaning surfaces is illustrated. The cleaning layer 2 in the represented embodiment has a rectangular basic form having the first and second edges 4 or respectively 6 which form the narrow sides of the rectangular basic form. The cleaning layer 2 has, on the front, first and second strip-type areas 8 or respectively 10 which follow one another in an alternating form. These first and second strip-type areas 8, 10 are longitudinal strips in the represented embodiment and extend from the first edge 4 up to the opposite second edge 6. They run substantially parallel to one another as well as parallel to the opposite edges 12, 14 of the longitudinal sides of the rectangular basic form of the flat mop 1 according to the invention. In the preferred configuration of the flat mop 1 according to the invention, which is reproduced in Fig. 1, first strip-type areas 8 adjoin in each case the edges 12 and 14 of the longitudinal sides of the rectangular basic form. Accordingly, the illustrated flat mop according to the invention has, on the front, five first strip-type areas 8 and four second strip-type areas 10. In the first strip-type areas 8, microfiber material is deployed, by way of example warp-knitted or circular-knitted terry cloth or respectively fabric made of microfiber material, whereas recourse is predominantly or exclusively had to non-microfiber material, preferably also in the form of warp-knitted or circular-knitted terry cloth or respectively fabric, for the second strip-type areas 10. Here, the first and second strip-type areas 8, 10 are preferably an integral part of a uniform woven fabric or machine-knitted fabric, preferably part of a uniform terry cloth or respectively fabric, obtained by means of the circular knitting process. Along the edges 4, 6, 12 and 14, the cleaning layer 2 is sewn to the further layers (wrapper layer and intermediate layer, not illustrated) in the represented preferred configuration by means of the overlook method. The specific cleaning purposes for which the flat mop is suitable, for example, can be identified for the user by means of the colour of the sewing thread 16. By providing a first strip-type area 8 made of or containing microfiber material along both longitudinal sides 12 and 14 in each case, it can be ensured that the surface to be cleaned is first sufficiently and uniformly wetted before, in particular, stubborn dirt particles are detached from the area to be cleaned by means of the harder fibers of the second strip-type areas 10. These can then be immediately absorbed by the following additional first strip-type area 8. This guarantees a particularly efficient cleaning of, in particular, cleanroom surfaces.

[0047] Fig. 2 shows the flat mop 1 according to the invention from the side of the wrapper layer 32. The engagement pockets 20 and 22 on the narrow sides of the flat mop 1 have been formed by simply turning down or respectively folding down the layer system made up of the cleaning layer, intermediate layer and wrapper layer which are sewn to one an other at the edges. In the region of these engagement pockets for a mop holder, the wrapper layers face one another and configure the engagement openings 24 or respectively 26. The fact that these engagement pockets are obtained by folding down means that the first strip-type areas 8 are continued in the form ofthe strips 30 and the second strip-type areas 10 are continued as strips 28 in the region of these engagement pockets 20 and 22. The engagement pockets are obtained in the represented variant in that the edge portions of the longitudinal sides 12 and 14, which come to rest on one another, are sewn to one another. As indicated by reference numeral 18, the wrapper layer 32 as well as the cleaning layer and, if applicable, the intermediate layer (not illustrated) can also be connected to one another by means of stitches provided at a distance from one another. These preferably extend from the first edge 4 up to the second edge 6 or respectively, if the end regions are folded down to form engagement pockets, in these folded-down regions as well.

[0048] The features of the invention disclosed in the preceding description, claims and drawings can, both individually and in any combination, be essential for the realization of the invention in its various embodiments.

Claims

1. Fladmoppe, især engangsfladmoppe, med et indpakningslag (32) og et modsat rengøringslag (2), der har en første kant (4) og en modsat anden kant (6), hvor rengøringslaget har eller udgør et vævet, strikket eller maskinstrikket lag med en forside og en bagside, og hvor indpakningslaget har eller udgør et forstærket vliesmateriale, især omfattende eller bestående af polyesterfibre, hvor forsiden og eventuelt bagsiden af rengøringslaget har alternerende første og andre strimmelformede arealer, som især forløber i det væsentlige parallelt, og som strækker sig fra eller i en afstand fra den første kant i retning af den anden kant eller hen til den anden kant, hvor de første arealer af rengøringslaget på forsiden og især også på bagsiden overvejende, især i det væsentlige udelukkende, indeholder eller består af vævet, strikket eller maskinstrikket mikrofibermateriale, og hvor de andre arealer af rengøringslaget på forsiden overvejende, især i det væsentlige udelukkende, indeholder eller består af vævet, strikket eller maskinstrikket fibermateriale, som ikke er et mikrofibermateriale (ikke-mikrofibermateriale).A flat mop, in particular disposable flat mop, with a wrapping layer (32) and an opposite cleaning layer (2) having a first edge (4) and an opposite second edge (6), the cleaning layer having or forming a woven, knitted or machine knitted layer having a front and a back, and wherein the wrapping layer has or constitutes a reinforced nonwoven material, in particular comprising or consisting of polyester fibers, the front and optionally the back of the cleaning layer having alternating first and second strip-shaped areas which, in particular, extend substantially parallel and extending moving from or at a distance from the first edge in the direction of the second edge or to the second edge, where the first areas of the cleaning layer on the front and especially also on the back mainly contain, or consist mainly of, the web; knitted or machine-knit microfibre material, and the other areas of the face cleaning layer predominantly, especially substantially exclusively, containing or consisting of woven, knitted or machine knitted non-microfibre material (non-microfibre material).

2. Fladmoppe ifølge krav 1, kendetegnet ved, at fibrene i ikke-mikrofibermaterialet har en større stivhed end fibrene i mikrofibermateria-let, og/eller at fibrene i rengøringslagets ikke-mikrofibermateriale haren gennemsnitlig finhed i området over 15 den, især over 20 den og fortrinsvis over 25 den og særligt foretrukket i området fra 25 den til 50 den.Flat mop according to claim 1, characterized in that the fibers in the non-microfibre material have a greater stiffness than the fibers in the microfibre material and / or that the fibers in the non-microfibre material of the cleaning layer have average fineness in the region above 15, especially above 20. and preferably above 25 and more preferably in the range of 25 to 50.

3. Fladmoppe ifølge krav 1 eller 2, kendetegnet ved, at fibrene i mikrofibermaterialet er valgt fra gruppen bestående af polyamidmikrofibre, polyolefinmikrofibre, især polypropylenmikrofibre, polyestermikrofibre, især polyethylen-terephthalatmikrofibre, og splitkonjugerede mikrofibre, især polyamid/polyestermikro-fibre, eller en hvilken som helst blanding deraf, og/eller at fibrene i ikke-mikrofibermaterialet omfatter eller udgør polyesterfibre, især polyethylenterephthalatfibre.Flat mop according to claim 1 or 2, characterized in that the fibers in the microfibre material are selected from the group consisting of polyamide microfibers, polyolefin microfibers, especially polypropylene microfibers, polyester microfibers, especially polyethylene terephthalate microfibers, and split conjugated microfibre, any mixture thereof, and / or that the fibers in the non-microfibre material comprise or constitute polyester fibers, especially polyethylene terephthalate fibers.

4. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved, at rengøringslaget eller fladmoppen har en rektangulær grundform med den første og den modsatte anden kant som smalle sider, hvor de første og/eller andre strimmelformede arealer strækker sig i det væsentlige vinkelret på den første og/eller anden kant.Flat mop according to one or more of the preceding claims, characterized in that the cleaning layer or flat mop has a rectangular base shape with the first and opposite second edges as narrow sides, the first and / or second strip-shaped areas extending substantially perpendicularly. on the first and / or second edge.

5. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved i det mindste én, især to indgrebslommer til en fladmoppeholder, som er tilvejebragt på eller fastgjort til indpakningslaget, hvor indgrebslommen eller indgrebslommerne især er dannet ved at folde ét eller flere kantafsnit af fladmoppen omkring, således at materialet af indpakningslaget i området af indgrebslommen eller indgrebslommerne vender mod hinanden og/eller ligger an mod hinanden, og/eller hvor de omkring hinanden foldede kantafsnit er forbundet med hinanden, især syet sammen, langs med deres periferiske kanter, hvilket danner indgrebslommen.Flat mop according to one or more of the preceding claims, characterized in at least one, in particular two engagement pockets for a flat mop holder provided on or attached to the wrapping layer, wherein the engagement pocket or engagement pockets are formed in particular by folding one or more edge sections of the flat mop, such that the material of the wrapping layer in the region of the engaging pocket or engaging pockets faces each other and / or abuts one another, and / or where the folded edge sections are interconnected, especially sewn together, along their peripheral edges, which forms the engagement pocket.

6. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved i det mindste ét mellemliggende mellemlag, der er anbragt mellem rengøringslaget og indpakningslaget, af et ikke-forstærket vliesmateriale eller et skummateriale, hvor det mindst ene mellemlag fortrinsvis udgør en nålevlies, og/eller hvor fibrene af det mindst ene mellemlag fortrinsvis udgør stapelfibre, især med en gennemsnitlig længde i området fra 20 mm til 80 mm, fortrinsvis i området fra 30 mm til 70 mm og særligt foretrukket i området fra 40 mm til 60 mm.Flat mop according to one or more of the preceding claims, characterized in at least one intermediate intermediate layer disposed between the cleaning layer and the wrapping layer, of a non-reinforced nonwoven material or a foam material, the at least one intermediate layer preferably constituting a needle web, and / or wherein the fibers of the at least one intermediate layer preferably comprise staple fibers, in particular having an average length in the range of 20 mm to 80 mm, preferably in the range of 30 mm to 70 mm and particularly preferably in the range of 40 mm to 60 mm.

7. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved, at mikrofibermaterialet i rengøringslaget omfatter mindst én kontinuerlig fiber eller er dannet af mindst én kontinuerlig fiber, og/eller at rengøringslaget omfatter eller er dannet af et især rundstrikket eller kædegarnsstrikket frottévæv.Flat mop according to one or more of the preceding claims, characterized in that the microfibre material in the cleaning layer comprises at least one continuous fiber or is formed of at least one continuous fiber, and / or that the cleaning layer comprises or is formed of a particularly circular knit or warp knitted terry cloth.

8. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved, at fibrene i mikrofibermaterialet af rengøringslaget har en gennemsnitlig finhed, som er mindre end eller lig med 1 dtex, især i området fra 0,3 dtex til 0,8 dtex, og/eller at fibermaterialet i mellemlaget har en gennemsnitlig finhed i området fra 0,5 dtex til 4 dtex, især i området fra 1 dtex til 3 dtex og særligt foretrukket i området fra 1,5 dtex til 2,5 dtex.Flat mop according to one or more of the preceding claims, characterized in that the fibers in the microfibre material of the cleaning layer have an average fineness less than or equal to 1 dtex, especially in the range of 0.3 dtex to 0.8 dtex. and / or that the fiber material in the intermediate layer has an average fineness in the range of 0.5 dtex to 4 dtex, particularly in the range of 1 dtex to 3 dtex and particularly preferred in the range of 1.5 dtex to 2.5 dtex.

9. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved, at rengøringslaget har en masse pr. arealenhed på mindst 150 g/m2 eller i området fra 150 g/m2 til 400 g/m2, fortrinsvis på mindst 200 g/m2 eller i området fra 200 g/m2 til 350 g/m2 og særligt foretrukket på mindst 225 g/m2 eller i området fra 225 g/m2 til 300 g/m2, og/eller at det mindst ene mellemlag har en overfladevægt på mindst 150 g/m2 eller i området fra 150 g/m2 til 400 g/m2, fortrinsvis på mindst 200 g/m2 eller i området fra 200 g/m2 til 350 g/m2 og særligt foretrukket på mindst 225 g/m2 eller i området fra 225 g/m2 til 300 g/m2, og/eller at det mindst ene mellemlag har en overfladevægt i området fra 50 g/m2 til 200 g/m2, fortrinsvis i området fra 75 g/m2 til 175 g/m2 og særligt foretrukket i området fra 90 g/m2 til 150 g/m2, og/eller at indpakningslaget har en overfladevægt i området fra 30 g/m2 til 175 g/m2, fortrinsvis i området fra 50 g/m2 til 125 g/m2 og særligt foretrukket i området fra 60 g/m2 til 100 g/m2, og/eller at rengøringslaget har en gennemsnitlig tykkelse på mindst 0,5 mm eller i området fra 0,5 mm til 5,0 mm, fortrinsvis på mindst 1,0 mm eller i området fra 1,0 mm til 4,5 mm og særligt foretrukket på mindst I, 5 mm eller i området fra 0,5 mm til 5,0 mm, og/eller at mellemlaget har en gennemsnitlig tykkelse i området fra 0,5 mm til 10 mm, fortrinsvis i området fra 1,0 mm til 8 mm og særligt foretrukket i området fra 2,0 til 5 mm.Flat mop according to one or more of the preceding claims, characterized in that the cleaning layer has a mass per square meter. area unit of at least 150 g / m2 or in the range of 150 g / m2 to 400 g / m2, preferably of at least 200 g / m2 or in the range of 200 g / m2 to 350 g / m2 and particularly preferably of at least 225 g / m2 or in the range of 225 g / m2 to 300 g / m2, and / or that the at least one intermediate layer has a surface weight of at least 150 g / m2 or in the range of 150 g / m2 to 400 g / m2, preferably of at least 200 g. / m2 or in the range of 200 g / m2 to 350 g / m2 and particularly preferably of at least 225 g / m2 or in the range of 225 g / m2 to 300 g / m2, and / or that the at least one intermediate layer has a surface weight of the range from 50 g / m2 to 200 g / m2, preferably in the range of 75 g / m2 to 175 g / m2, and particularly preferably in the range of 90 g / m2 to 150 g / m2, and / or the wrapping layer having a surface weight of the range from 30 g / m2 to 175 g / m2, preferably in the range of 50 g / m2 to 125 g / m2 and particularly preferably in the range of 60 g / m2 to 100 g / m2, and / or that the cleaning layer has an average thickness of at least 0.5 mm or in the range of 0.5 mm to 5.0 mm, preferably of at least 1.0 mm or in the range of 1.0 mm to 4.5 mm and particularly preferably of at least 1, 5 mm or in the range of 0; And / or that the intermediate layer has an average thickness in the range of 0.5 mm to 10 mm, preferably in the range of 1.0 mm to 8 mm and particularly preferably in the range of 2.0 to 5 mm. mm.

10. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved, at forsiden af rengøringslaget har alternerende første og andre strimmelformede arealer, som især forløber i det væsentlige parallelt, og som strækker sig fra eller i en afstand fra den første kant i retning af den anden kant eller hen til den anden kant, hvor de første arealer af rengøringslaget på forsiden og på bagsiden overvejende, især i det væsentlige udelukkende, indeholder eller består af vævet, strikket eller maskinstrikket mikrofibermateriale, og hvor de andre arealer af rengøringslaget på forsiden overvejende, især i det væsentlige udelukkende, indeholder eller består af vævet, strikket eller maskinstrikket ikke-mikrofibermateriale, og hvor de andre arealer på bagsiden overvejende, især i det væsentlige udelukkende, indeholder eller består af vævet, strikket eller maskinstrikket mikrofibermateriale.Flat mop according to one or more of the preceding claims, characterized in that the front of the cleaning layer has alternating first and second strip-shaped areas which, in particular, extend substantially parallel and extend from or at a distance from the first edge in the direction. of the second edge or to the second edge, wherein the first areas of the cleaning layer on the front and the back contain, in particular, substantially exclusively, woven, knitted or machine-knitted microfibre material, and the second areas of the cleaning layer on the front predominantly, in particular substantially exclusively, containing or consisting of woven, knitted or machine-knitted non-microfibre material, and the other areas of the back predominantly, especially substantially exclusively, containing or consisting of woven, knitted or machine-knitted microfibre material.

II. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved, at rengøringslaget og indpakningslaget og eventuelt mellemlaget er forbundet med hinanden langs med deres periferiske kanter, især syet til hinanden, især ved anvendelse af overlockmetoden.II. Flat mop according to one or more of the preceding claims, characterized in that the cleaning layer and the wrapping layer and optionally the intermediate layer are connected to each other along their peripheral edges, especially sewn to each other, especially using the overlock method.

12. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved, at der i det mindste foreligger hver især to, især mindst hver tre eller fire, første og andre strimmelformede arealer, som følger efter hinanden alternerende, og/eller at der foreligger (n + 1) første og n andre strimmelformede arealer, som følger efter hinanden alternerende, hvor n er et helt tal, som er større end eller lig med 2, og/eller at mindst ét andet strimmelformet areal, især mindst to eller samtlige andre strimmelformede arealer støder op til hinanden i den alternerende rækkefølge af første og andre strimmelformede arealer, i hvert tilfælde på begge sider i forhold til et første strimmelformet areal.Flat mop according to one or more of the preceding claims, characterized in that there are at least two each, in particular at least every three or four, first and second strip-shaped areas that follow alternately and / or that there are (n + 1) first and n second strip-shaped areas that follow alternately, where n is an integer greater than or equal to 2, and / or that at least one other strip-shaped area, in particular at least two or all others strip-shaped areas adjoin each other in the alternating order of first and second strip-shaped areas, in each case on both sides relative to a first strip-shaped area.

13. Fladmoppe ifølge et eller flere af de foregående krav, kendetegnet ved, at de første arealer af rengøringslaget på forsiden og på bagsiden overvejende, især i det væsentlige udelukkende, indeholder eller består af vævet, strikket eller maskinstrikket mikrofibermateriale, og at de andre arealer af rengøringslaget på forsiden overvejende, især i det væsentlige udelukkende, indeholder eller består af vævet, strikket eller maskinstrikket ikke-mikrofibermateriale og på bagsiden overvejende, især i det væsentlige udelukkende, indeholder eller består af vævet, strikket eller maskinstrikket mikrofibermateriale.Flat mop according to one or more of the preceding claims, characterized in that the first areas of the cleaning layer on the front and back mainly contain, in particular substantially exclusively, woven, knitted or machine knitted microfibre material, and that the other areas Of the cleaning layer on the face predominantly, especially substantially exclusively, contains or consists of nonwoven, knitted or machine knitted non-microfibre material, and the backside predominantly contains or consists of woven, knitted or machine knitted microfiber material.

14. Rengøringsindretning, som omfatter et aktiveringselement, især et skaft, og forbundet med eller som kan forbindes med aktiveringselementet, en fladmoppeholder samt en fladmoppe ifølge et eller flere af kravene 1 til 13.A cleaning device comprising an activating element, in particular a shaft, and connected to or which can be connected to the activating element, a flat mop holder and a flat mop according to one or more of claims 1 to 13.

15. Anvendelse af en fladmoppe ifølge et eller flere af kravene 1 til 13 eller af en rengøringsindretning ifølge krav 14 til rengøring af rene rum eller sterile rene rum.Use of a flat mop according to one or more of claims 1 to 13 or of a cleaning device according to claim 14 for cleaning clean rooms or sterile clean rooms.