EP2222420B1 - Reinigungsgerät - Google Patents

Reinigungsgerät Download PDF

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Publication number
EP2222420B1
EP2222420B1 EP08858520A EP08858520A EP2222420B1 EP 2222420 B1 EP2222420 B1 EP 2222420B1 EP 08858520 A EP08858520 A EP 08858520A EP 08858520 A EP08858520 A EP 08858520A EP 2222420 B1 EP2222420 B1 EP 2222420B1
Authority
EP
European Patent Office
Prior art keywords
cleaning apparatus
section
fastening device
support
tensile force
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08858520A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2222420A1 (de
Inventor
Stefan Kelle
Ralph Seitter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP2222420A1 publication Critical patent/EP2222420A1/de
Application granted granted Critical
Publication of EP2222420B1 publication Critical patent/EP2222420B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4091—Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used

Definitions

  • the invention relates to a cleaning device, in particular a high-pressure cleaning device to which at least one fastening device for attaching the cleaning device to a support is arranged, wherein the at least one fastening device comprises at least one tensile portion, directed at the cleaning device attached to the carrier by means of a tension element directed towards the carrier Tensile force acts, as well as at least one holding section connected to the at least one pulling section for holding the at least one fastening device on the cleaning device.
  • the cleaning device By means of the tension element, which may be, for example, a tension belt or a tensioning chain, the cleaning device can be attached to a carrier, for example a standing surface such as the loading area of a motor vehicle.
  • a carrier for example a standing surface such as the loading area of a motor vehicle.
  • a potential danger to man and the environment may exist in particular if the at least one fastening device is held on a region of the cleaning device in which a liquid container is integrated, for example for a cleaning chemical and / or for a fuel for operating the cleaning device. Excessive pulling force can cause the liquid container to leak and expel the liquid contained therein.
  • the EP 0 890 394 A2 describes a high-pressure cleaner with a chassis, a motor pump unit and at least one liquid container.
  • the liquid container consists of a trough-shaped lower part and a lid-shaped upper part, which are interconnected along their congruent, mutually facing end edges that are mounted on the liquid container wheels, so that liquid container and wheels together form the chassis, and that the motor pump unit on the outside of the liquid container is held.
  • Object of the present invention is to develop a cleaning device of the type mentioned so that the risk of damage to the cleaning device can be reduced by excessive traction.
  • the at least one attachment means for supporting the cleaning device has at least one support portion which is connected to the at least one tensile section via at least one connecting portion, wherein the at least one connecting portion yields, provided that the tensile force a maximum permissible tensile force exceeds.
  • the at least one fastening device can be supported on the cleaning device. This can be done in such a way that in the intact state of the at least one fastening device, i. as long as the at least one connecting section has not yielded, a pulling force acting on the at least one pulling section is transmitted to the cleaning device by means of the at least one supporting section, but not by means of the at least one holding section. If a tensile force which is greater than the maximum permissible tensile force acts on the at least one tensile section, the at least one connecting section yields. The excessive tensile force thus leads to an impairment of the at least one connecting portion, so that the risk of damage to the cleaning device due to the excessive tensile force can be reduced.
  • the at least one support section can be connected directly or indirectly to the at least one pull section via the at least one connecting section.
  • the at least one connecting section gives way irreversibly only once when the tensile force exceeds the maximum permissible tensile force. In this way, it can be subsequently determined, for example after a transport of the cleaning device with a motor vehicle, whether the cleaning device has been exposed to excessive tensile loads during transport.
  • the at least one connecting section give way several times and in particular can yield reversibly when the tensile force exceeds the maximum permissible tensile force. In this way, the support of the at least one fastening device on the cleaning device can be maintained even if the tensile force repeatedly exceeds the maximum permissible tensile force.
  • a holder of the at least one fastening device on the cleaning device can be secured if the tensile force exceeds the maximum permissible tensile force.
  • the at least one connecting section gives way. Nevertheless, the cleaning device remains attached to the carrier, because by means of at least one holding section, the holder of the at least one fastening device can be ensured on the cleaning device.
  • the at least one holding section is arranged on a side of the at least one fastening device facing away from the at least one pulling section, and if the at least one holding section is arranged Connecting portion and the at least one support portion have a smaller distance than the at least one holding portion of the at least one tensile portion.
  • the at least one holding portion is formed at least partially deformable.
  • the at least one fastening device there is the possibility of deforming the at least one fastening device in regions. This can for example be such that the tensile force exceeds the maximum permissible tensile force yielding the at least one connecting portion, a connection between the at least one fastening device and the cleaning device while deforming the at least one holding portion but can be maintained.
  • the one or more areas of the cleaning device on which the at least one holding section is held deformable or is formed.
  • the at least one connecting section forms a predetermined breaking section. If the tensile force exceeds the maximum permissible tensile force, the at least one connecting section may at least partially and preferably completely break, so that no tensile force is transmitted to the cleaning device via the at least one supporting section can be.
  • the formation of the at least one connecting portion as a predetermined breaking section is structurally simple and has proven to be reliable in practice.
  • the at least one connecting section forms a deformation section.
  • the at least one connecting portion at least partially and preferably completely deformed by the tensile force exceeding the maximum permissible tensile force. It can be provided in particular that the deformation takes place reversibly, so that the at least one connecting portion can yield several times when the tensile force exceeds the maximum permissible tensile force.
  • the at least one connecting portion is at least partially formed using a material which is deformable by means of less force than the material used to form the at least one tensile section and / or the at least one support section.
  • a material which is deformable by means of less force than the material used to form the at least one tensile section and / or the at least one support section.
  • the at least one connecting section can be made yielding if the at least one connecting section forms a material recess at least in regions. This has proven to be favorable in particular in the formation of at least one connecting portion as a predetermined breaking section.
  • the at least one connecting section is arranged on an edge of the at least one support section, via which the at least one support section is connected to the rest of the at least one fastening device.
  • the at least one connecting section extends along the entire edge of the at least one support section, via which it is connected to the rest of the at least one fastening device in order to define a predetermined breaking line.
  • the at least one support portion for transmitting the tensile force from the at least one fastening device on the cleaning device on a support member which cooperates on the traction side with a corresponding thereto support member of the cleaning device.
  • "Zugkraft document” means in this case that the support member of the at least one support portion has a direction in the direction of tensile force side, with which it cooperates with the support member of the cleaning device.
  • the at least one fastening means on Support cleaning device and thus transmit the attacking at least one traction section tensile force on the cleaning device.
  • the support member of the at least one support portion and / or the support member of the cleaning device are formed as abutting contact surfaces.
  • the tensile force can be transmitted from the at least one fastening device to the cleaning device in a structurally simple manner, in particular if both support links are designed as abutment surfaces.
  • the at least one support section has an abutment member, which interacts with the traction force oppositely with a corresponding abutment member of the cleaning device.
  • the tensile force opposite is present opposite to the above described "tensile force side”.
  • the at least one support section abut the abutment member of the cleaning device.
  • the at least one fastening device can also assume a defined position relative to the cleaning device, even opposite to the tensile force.
  • the abutment member of the at least one support section and / or the abutment member of the cleaning device are formed as abutting abutment surfaces.
  • the at least one support section is plate-shaped. Its surfaces can form in particular contact surfaces, the forming the above-mentioned support member and the abutment member mentioned above.
  • the cleaning device has a receptacle for the at least one support section in which it is at least partially arranged.
  • the receptacle may have a wall which forms one or more contact surfaces for one or more contact surfaces of the at least one support section.
  • the at least one support section is arranged in a form-fitting manner in the receptacle, because this allows the at least one support section to occupy a particularly well-defined position relative to the cleaning device.
  • the at least one support section can be supported on a wall of the receptacle and thus on the cleaning device.
  • the receptacle has an edge which forms an edge, along which the at least one connecting portion runs at least in sections and preferably completely.
  • this embodiment has proven to be favorable to ensure the yielding of at least one connecting portion.
  • the tensile force can be effectively transmitted from the at least one fastening device to the cleaning device until the at least one connecting section excessively loaded becomes.
  • Such an embodiment is particularly advantageous when the at least one connecting portion forms a predetermined breaking portion and in particular a predetermined breaking line, which then runs along the edge of the receptacle.
  • the at least one fastening device has at least one support section with a support member which cooperates with a support member arranged on the cleaning apparatus and corresponding thereto for lifting the cleaning apparatus by means of a lifting force acting on the at least one fastening device.
  • a structurally simple embodiment of the cleaning device and the at least one fastening device and an effective power transmission can be achieved in that the support member of the at least one fastening device and / or the support member of the cleaning device are formed as abutting contact surfaces.
  • the at least one fastening device can be made structurally even simpler if the support member of the at least one fastening device is arranged on an upper side thereof, based on its arrangement on the cleaning device.
  • the at least one fastening device and the cleaning device define a push-through region between them for a tension element acting on the at least one tension section.
  • a fastening eye is defined, through which the tension element can be passed or in which it can engage.
  • the at least one fastening device forms a bracket with a first end and with a second end, wherein the at least one tensile portion between the first end and the second end of the bracket is arranged.
  • first end and the second end of the bracket preferably each form a holding section of the at least one fastening device for mounting it on the cleaning device.
  • the holding portions are advantageously formed as the above-described at least one holding portion.
  • a support section for lifting the cleaning device by means of a force acting on the at least one fastening means lifting force is arranged between the at least one tensile section and the ends of the bracket.
  • the two support sections are preferably formed like the above-described at least one support section.
  • the bracket is substantially U-shaped and when the at least one support portion is arranged on the inside of the bracket.
  • it preferably has a smaller distance to the at least one pulling section than to the ends of the bow.
  • the at least one support section is advantageously fixed via the at least one connecting section along an inner-side edge line or an inner-side edge surface of the bracket. Conveniently, it forms an example, groove-shaped material recess for defining a predetermined breaking section.
  • the at least one fastening device is integrally formed, because this can reduce its manufacturing costs.
  • the at least one fastening device is manufactured using at least one plastic material.
  • it can be made entirely of plastic material.
  • the at least one fastening device is manufactured using at least one metal, wherein it may also be made entirely of metal.
  • FIG. 1 A preferred embodiment of a cleaning device according to the invention is in FIG. 1 in a side view from the left and in FIG. 2 shown in a view from below and there occupied by the reference numeral 10.
  • the cleaning device 10 is designed as a mobile high-pressure cleaning device and rests by means of wheels 12 and 14 and castors 16 and 18 on a support 20 in the form of a base 22, the in FIG. 1 is shown schematically.
  • the base 22 is the loading surface of a motor vehicle, which is provided for transporting the cleaning device 10.
  • the cleaning device 10 on its underside 24 has two fastening devices 26 and 28, of which the fastening device 26 is arranged on the left side 30 and the fastening device 28 on the right side 32 of the cleaning device 10. From the front side 34 of the cleaning device 10, the fastening devices 26 and 28 each have a distance which is approximately one third of the distance of the front side 34 from the back 36 of the cleaning device 10. The fasteners 26 and 28 are further disposed approximately between the impeller 12 and the castor 16 and the impeller 14 and the steering roller 18.
  • the base 22 on known and not shown in the drawing anchoring elements, for example in the form of lashing eyes on which known per se and therefore can not attack in the drawing tension elements.
  • the tension members may engage the fasteners 26 and 28 in a manner described below to transmit a tensile force to the cleaner 10.
  • the tension elements can be configured, for example, as tension straps or tension chains.
  • the fastening devices 26 and 28 are formed identically, which is why in the following only the fastening device 26 with reference to the FIGS. 3 to 7 is explained in more detail.
  • the type of attachment of the fastening devices 26 and 28 on the cleaning device 10 is also identical, so that the type of fastening thereof is explained below only by the example of the fastening device 26.
  • the fastening device 26 is designed as a U-shaped bracket 38.
  • the bracket 38 is presently made in one piece from a plastic material, but it can also be provided that the bracket 38 is only partially made of plastic, that it is partially made of metal or that it is made in one piece from a metal.
  • the bracket 38 has an upper side 40, which faces the underside 24 of the cleaning device 10, and a lower side 42, which faces away from the underside 24 of the cleaning device 10. Further, the bracket 38 comprises a first leg 44 and a second leg 46, which are opposite to each other and connected to each other via a central portion 48 of the bracket 38.
  • first leg 44 and the second leg 46 have planar surfaces 50 and 52, respectively, which define a common plane.
  • the central portion 48 is provided along its extension with a recess 54 which is bounded in the direction of the legs 44 and 46 of wall portions 56 and 58, via which a curved surface 60 of the central portion 48 in the surfaces 50 and 52 of the legs 44 and 46 passes ( Figures 5 and 6 ).
  • the wall sections 56 and 58 are used in attaching the cleaning device 10 to the base 22 as a guide for the case coming to use tension element, preferably a tension belt which is placed over the central portion 48 so that it gets in contact with the surface 60.
  • tension element preferably a tension belt which is placed over the central portion 48 so that it gets in contact with the surface 60.
  • the tension element is to be passed through a through-insertion region 62 formed between the bracket 38 and the cleaning device 10 ( FIGS. 1 and 2 ) so that the bracket 38 and the push-through portion 62 bounding portions of the cleaning device 10 form a fastening eye for the tension element. If a force directed towards the base 22 acts on the tension element, it can be transmitted to the bracket 38 by abutment with the middle section 48, for which reason the middle section 48 is designated as the tension section 64 of the bracket 38.
  • a first holding portion 66 and a second holding portion 68 of the bracket 38 close. These serve to hold the bracket 38 on a support part 70 of the cleaning device 10 (FIG. FIGS. 3 and 4 ).
  • the holding portions 66 and 68 each comprise a ring segment 72 or 74, to which, forming the outer ends of the bracket 38, abutment flanges 80 and 82, respectively.
  • the abutment flanges 80 and 82 abut a bottom plate 78, which is fixed to the underside 24 of the cleaning device 10. As well as the bottom plate 78, they are penetrated by connecting elements which engage with the support part 70 in order to fasten the bracket 38 to the support part 70.
  • the connecting elements are presently designed in the form of screws, of which only one screw 84 can be seen in the drawing.
  • the connecting elements may also be rivets, clamps or the like.
  • cohesive fasteners such as welds that can be used for example in a fastener made of metal.
  • the bottom plate 78 is configured for example in the form of a metal sheet. It includes an angled edge 76 which is penetrated by the ring segments 72 and 74.
  • the surfaces 50 and 52 of the legs 44 and 46 are flat. You can, like that in FIG. 3 shown on the surface 52 of the leg 46, with corresponding surfaces of the support member 70 cooperate.
  • the surface of the carrier part 70 corresponding to the surface 52 is assigned the reference symbol 86.
  • the surface 86 and the not shown on the surface 50 of the leg 44 adjacent surface of the support member 70 are each flat, so that the support member 70 can rest flush with the bracket 38.
  • the legs 44 and 46 are also referred to as support sections 88 and 90, respectively, and the surfaces 50, 52 and 86 are referred to as support members 92, 94 and 96, respectively.
  • the surfaces 50, 52 and 86 are referred to as support members 92, 94 and 96, respectively.
  • the bracket 38 On the inside, that is bordered by the legs 44 and 46 and the pulling portion 64, the bracket 38 has two plate-shaped support portions 98 and 100, the near the connecting portions of the legs 44 and 46 with the pulling portion 64 with inside walls 102 and 104 of the legs 44th or 46 are connected ( FIGS. 5 to 7 ).
  • the connection runs along edges 106 and 108 of the support sections 98 and 100, respectively, so that between the walls 102 and 104 and the support sections 98 and 100 connecting sections 112 and 114 are defined.
  • the pulling portion 64 is indirectly connected to the support portions 98 and 100.
  • the plane defined by the support portions 98 and 100 is parallel to the plane defined by the surfaces 50 and 52, and in a top plan view and a bottom plan view of the bracket 38, the support portions 98 and 100 are approximately lenticular or teardrop shaped Shape.
  • the connecting portions 112 and 114 have along the edges 106 and 108 each have a groove-shaped material recess, of which in the detailed representation of FIG. 7 only a material recess 110 of the connecting portion 112 can be seen. It runs along the edge 106 of the support portion 98.
  • the connecting portion 112 thus forms a predetermined breaking section 116 of the bracket 38.
  • the connecting portion 114 forms a predetermined breaking portion 118 of the bracket 38. The operation of the predetermined breaking sections 116 and 118 will be explained below.
  • the support member 70 has a receptacle 120 for the support portion 98, in which it is arranged in a form-fitting manner.
  • another receptacle which is not shown in the drawing, has the support part for the support portion 100. This is also arranged positively in its associated recording. The statements about the arrangement of the support portion 98 in the receptacle 120 are applied to the support portion 100 and its associated receptacle accordingly.
  • the support portion 98 on the traction side comprises a support member 122 which is formed by its surface 124. Over the surface 124 of the support portion 98 abuts a corresponding thereto surface 126 of a wall 128 of the receptacle 120, so that the surface 126 forms a support member 130 of the receptacle 120.
  • a surface 132 of the support portion 98 forms a contact member 134. Via the surface 132 of the support portion 98 abuts a surface 136 of the wall 128 of the receptacle 120, so that the surface 136th also forms an abutment member 138 of the receptacle 120. In this way, there is the positive arrangement of the support portion 98 in the receptacle 120 between the support member 130 and the abutment member 138th
  • a tensile force mediated by a tension element acts on the traction surface 22 on the traction section 64, then the yoke 38 is supported on the carrier part 70 via the supporting section 98 and the supporting section 100. In the case of the support portion 98, this is done by supporting its support member 122 on the support member 130 of the receptacle 120. In this way, the force acting on the bracket 38 tensile force can be transmitted to the support member 70 for attachment of the cleaning device 10 on the base 22.
  • the support portion 98 and the support portion 100 are positively arranged in the receptacle 120 and the receptacle, not shown, and that the distance of the support portions 98 and 100 from the tensile portion 64 is less than the distance of the holding portions 66 and 68 from the tensile portion 64, is the tensile force with intact strap 38 on the support portions 98 and 100 transferred to the support member 70.
  • the connecting portions 112 and 114 are formed so that they form predetermined breaking portions 116 and 118, so that when the Pulling force on the tensile portion 64 exceeds the maximum allowable tensile force, the support portions 98 and 100 break off from the legs 44 and 46, respectively.
  • connection between the bracket 38 and the support member 70 via the holding portions 66 and 68 and the associated connecting elements is designed so that the connection can be ensured even if the tensile force acting on the tensile portion 64, the maximum allowable tensile force resulting from the failure of the connecting portions 112 and 114 leads. In this way, the cleaning device 10 is still reliably attached to the base 22 even if the connecting portions 112 and 114 have yielded, so that the cleaning device 10 is not fuselage on the base 22.
  • the holding portions 66 and 68 may be secured to the legs 44 and 46, respectively facing areas to be formed slightly deformable.
  • the holding portions 66 and 68 are rigid. Instead, the edge 76 of the bottom plate 78 is deformable and can be bent by excessive traction.
  • the legs 44 and 46 can be moved slightly away from the support member 70 in the event of excessive vibrations of the support surface 22, and nevertheless attachment of the cleaning apparatus 10 to the support surface 22 can be maintained by means of the bracket 38.
  • the holding portions 66 and 68 in addition by means of securing elements on the edge 76 of Bottom plate 78 secured.
  • the securing elements are designed in the form of securing disks, of which only one securing disk 140 is shown in the drawing ( FIG. 3 ). This engages in an annular groove 142 of the ring segment 74 and is in engagement with the bottom plate 78. A corresponding annular groove 144 is arranged on the ring segment 72, in which the locking washer (not shown) engages ( FIG. 5 ).

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Surgical Instruments (AREA)
  • Cleaning In General (AREA)
EP08858520A 2007-12-12 2008-12-09 Reinigungsgerät Not-in-force EP2222420B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007061403A DE102007061403A1 (de) 2007-12-12 2007-12-12 Reinigungsgerät
PCT/EP2008/010437 WO2009074289A1 (de) 2007-12-12 2008-12-09 Reinigungsgerät

Publications (2)

Publication Number Publication Date
EP2222420A1 EP2222420A1 (de) 2010-09-01
EP2222420B1 true EP2222420B1 (de) 2012-02-08

Family

ID=40456782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08858520A Not-in-force EP2222420B1 (de) 2007-12-12 2008-12-09 Reinigungsgerät

Country Status (8)

Country Link
US (1) US8261759B2 (da)
EP (1) EP2222420B1 (da)
CN (1) CN101883643B (da)
AT (1) ATE544531T1 (da)
DE (1) DE102007061403A1 (da)
DK (1) DK2222420T3 (da)
RU (1) RU2440860C1 (da)
WO (1) WO2009074289A1 (da)

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USD571434S1 (en) * 2006-12-14 2008-06-17 Alfred Kaercher Gmbh & Co. Kg Hand-operated spray gun for a high pressure washer
DE102007018250A1 (de) * 2007-04-12 2008-10-16 Alfred Kärcher Gmbh & Co. Kg Hochdruckreinigungsgerät
DE102007018249A1 (de) * 2007-04-12 2008-10-16 Alfred Kärcher Gmbh & Co. Kg Fahrbares Hochdruckreinigungsgerät
DE102007018248B4 (de) 2007-04-12 2008-12-24 Alfred Kärcher Gmbh & Co. Kg Hochdruckreinigungsgerät

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WO2009074289A1 (de) 2009-06-18
DE102007061403A1 (de) 2009-06-18
US8261759B2 (en) 2012-09-11
CN101883643B (zh) 2012-05-23
RU2440860C1 (ru) 2012-01-27
DK2222420T3 (da) 2012-04-10
CN101883643A (zh) 2010-11-10
US20100299853A1 (en) 2010-12-02
ATE544531T1 (de) 2012-02-15
EP2222420A1 (de) 2010-09-01

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