EP0921869B1 - Nettoyeur haute pression mobile - Google Patents

Nettoyeur haute pression mobile Download PDF

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Publication number
EP0921869B1
EP0921869B1 EP97931757A EP97931757A EP0921869B1 EP 0921869 B1 EP0921869 B1 EP 0921869B1 EP 97931757 A EP97931757 A EP 97931757A EP 97931757 A EP97931757 A EP 97931757A EP 0921869 B1 EP0921869 B1 EP 0921869B1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
pressure cleaning
cover
housing
housing part
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.)
Expired - Lifetime
Application number
EP97931757A
Other languages
German (de)
English (en)
Other versions
EP0921869A1 (fr
Inventor
Josef Gerich
Helmut Komp
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 EP0921869A1 publication Critical patent/EP0921869A1/fr
Application granted granted Critical
Publication of EP0921869B1 publication Critical patent/EP0921869B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles

Definitions

  • the invention relates to a mobile high-pressure cleaning device with a motor and one driven by it Pump surrounded by a housing.
  • Pressure washers often have relatively large ones Motors and pumps on, so that overall heavy Devices result. In order to be able to transport them, is it is known to design such cleaning devices to be mobile. Usually a chassis is used on which the motor and the pump are placed directly then a hood is placed on the Chassis mounted, which covers the motor and pump.
  • This task is performed on a mobile high-pressure cleaning device of the type described above according to the invention solved in that it is a chassis with a Grips handle on which a bowl-shaped housing part arranged upright and open towards one side is that the bowl-shaped housing part Engine and pump in an upright position that a lid on the open side of the housing part closing this and surrounding the motor and the pump is attachable and that holding elements on the engine and / or pump between the bowl-shaped housing part and engage the cover, that the housing part and Cover in the closed state motor and pump in the Determine the housing formed from the housing part and cover.
  • depressions are arranged, in which the holding elements Intervene motor and / or pump.
  • These recesses can be arranged in the wall of the bowl-shaped housing part in a preferred embodiment
  • on the side edges of the shell-shaped housing part protruding radially Connect flanges into which the recesses at least extend over part of the width of the flanges.
  • These depressions are in turn trough-shaped trained and extend laterally in the protruding flanges over a certain width.
  • the bowl-shaped housing part and the lid connected to each other next to the wells are, for example, by next to the wells arranged screws. This allows the holding elements in the recesses between the bowl-shaped Housing part and the cover are held in a snug fit.
  • the depressions can, for example, in cross section be semicircular.
  • the holding elements are on the side of the engine and / or arms protruding from the pump.
  • the holding elements with an intermediate layer a rubber-elastic material in the recesses immerse so that in this way a vibration and noise-damping storage can be achieved.
  • a rubber plug for example, on the side of the motor projecting arms and / or pump a rubber plug.
  • the electric motor is normally a circular cylindrical one Has shape, it is beneficial if that is out bowl-shaped housing part and cover existing housing essentially the shape of a circular cylinder having. This housing is therefore tight around the Electric motor around and therefore takes up little space.
  • the shell-shaped housing part and cover Housing with its longitudinal axis between the Base points of the chassis is arranged.
  • This Base points of the chassis can be by wheels or are formed by wheels and fixed supports, and these Bases are usually arranged so that the chassis rests on them stably. If the longitudinal axis of the housing between these bases is, this leads to the large weight of the Motor and the pump evenly on the bases is distributed so that the chassis despite the high Weight is stable. This is also important to with an upright arrangement of the electric motor, the starting torque record that through the bases the ground must be transferred to prevent the torsion from twisting Avoid chassis.
  • the weight distribution can also be favorable affect that the longitudinal axis of the housing slightly is inclined to the vertical. This can not just the location of the center of gravity between the Bases are shifted slightly, but it there is also better accessibility to that bowl-shaped housing part, since this is slightly inclined is arranged. After all, this tendency bears also in that arranged at a correspondingly inclined Electric motor that transferred to the chassis and this starting torque rotating around the vertical axis is reduced.
  • the chassis according to Art a poke cart at its rear end two side by side Wheels, at its front end at least a support and at the rear end the upward Has handle.
  • a chassis can to be moved and parked like a handcart, and the bowl-shaped housing part is in this handcart integrated.
  • the U-shaped handle with two arms and one connecting them Handle part is formed and that the bowl-shaped Housing part between the arms of the handle protrudes.
  • the housing is preferably after inclined towards the handle at the back.
  • the parting plane of the bowl-shaped Housing and the cover approximately in the middle of the Housing is located, preferably this parting plane parallel to the longitudinal axis of the housing.
  • the case can be on the top and bottom Have vents, and the engine can Wear the fan wheel, which allows air to flow through the housing promotes.
  • Ventilation openings can be partially covered be, but it is also possible that the ventilation openings simply arise from the fact that the housing on a Front is open, for example at the bottom Side through which the ventilation flow exits.
  • the lid can additionally have an opening, through which an oil reservoir of the pump passes. In this way it is also possible outside the housing check the oil level in this oil reservoir.
  • the cover is a Chamber for receiving electrical switching and connecting elements wearing.
  • the high-pressure cleaning device with the housing arranged on it use this form, it is advantageous if the Housing is covered by an outer cover that runs at a distance from the lid. This can on the one hand give the device a pleasing appearance, on the other hand can thereby technical elements on the Outside of the housing, for example a chamber for Electrical elements, pipe connections, etc. are covered.
  • the cover on the side of the bowl-shaped housing part from a liquid tank to hold Chemicals is formed.
  • This liquid tank can be releasably held on the chassis.
  • liquid tank is over the entire width of the chassis extends and flat on the outside of the bowl-shaped housing part is applied.
  • this liquid tank receives one Dual function, because it covers the housing on the one hand towards the outside and on the other hand the device with a voluminous, removable liquid tank provided.
  • chassis and bowl-shaped housing part in one piece are formed, for example as a molded plastic part. This will make a such high-pressure cleaning device considerably simplified.
  • the high-pressure cleaning device shown in the drawing comprises a chassis 1 with a base plate 2, on its rear edge two wheels 3 and on its front Edge of a central support 4 are arranged.
  • the Chassis 1 bears a U-shaped protrusion Handle 5 with two parallel arms 6 and 7, the at its upper end, not over one in the drawing crossbar shown are connected to each other.
  • the Arms 6 and 7 are arranged on the sides of the chassis 1, so that overall the chassis 1 according to Art a handcart is designed, such as is used to transport bottle crates.
  • a shell-shaped housing part 8 arranged, which is essentially the shape of a half Has circular cylinder and which is open to the front is.
  • the longitudinal axis of this semi-cylindrical housing part 8 is arranged essentially vertically, this longitudinal axis slightly at the upper end is inclined backwards, i.e. towards the Handle 5. This inclination can be of the order of magnitude are up to 25 °.
  • the semi-cylindrical housing part 8 open, at the top it has a closed one Cover plate 9 with a central air inflow opening 10 on, which is covered by a hood 11.
  • flanges 14 and 15 are spaced apart two depressions 16, 17 each with a semicircular shape Cross-section incorporated, the longitudinal axis of this Recesses 16 transverse to the longitudinal axis of the housing part 8 runs.
  • the depressions 16 and 17 are more direct Connection to the interior of the housing part 8. Zu both sides of the recesses 16 and 17 are in the Flanges 14 and 15 screw holes 18 are arranged.
  • the housing part 8 in one piece with the Chassis 1 is formed, for example in the form a plastic injection molded part.
  • the housing part 8 On the housing part 8 is from its open front forth a lid 19 can be placed.
  • the housing part 8 has the shape of a half circular cylinder with laterally projecting flanges 20 and arranged therein Wells 21 and 22 so arranged are that when placing the cover 19 on the housing part 8 the wells 16 and 17 with the wells 21 and 22 are aligned and each circular cylindrical Openings in the side wall of the housing part 8 and cover 19 form the existing housing.
  • the lid 19 is on its upper end face by a Cover plate 24 partially closed, in the central However, the area is open, so this open part together with the air inflow opening 10 of the housing part allows an air flow to enter the housing.
  • the lid 19 is also open and thus allows the air flow to escape.
  • the lid 19 On the outside, close radially at the lower end of the lid 19 protruding guide walls 25, which prevent from air escaping the bottom of the case immediately back up on the outside of the lid 19 the air inflow opening 10 flows.
  • the cover 19 has a housing part 8 opposite window-like opening 26 on, at the upper end of the lid 19 carries a closed Chamber 27 used to hold electrical parts serves, for example of supply lines, connecting elements and switching elements.
  • a motor pump unit 28 is accommodated in the housing, which in a manner known per se from an electric motor exists, which is connected to a pump at one end and at the opposite end with a Fan wheel 29. Both the fan wheel 29 and the pump are driven by the electric motor.
  • This motor pump unit with the fan wheel is so in the housing arranged that the fan wheel 29 at the top arranged directly next to the air inflow opening 10 is, the pump at the lower end below the Engine.
  • the motor pump unit 28 carries protruding laterally Arms 30, put on the rubber stopper 31 are.
  • the arms 30 with the rubber plugs 31 rest in the Wells 16, 17 or 21 and 22, so that the Motor pump unit 28 inside the housing in its Position is determined.
  • the motor pump unit 28 in is simply the open housing part 8 inserted so that the Insert the rubber plug 31 into the recesses 16 and 17. Then the cover 19 is placed on, overlap the depressions 21 and 22 those in the depressions 16 and 17 lying rubber plugs 31.Lid 19 and housing part 8 are screwed together connected, which are guided through the screw holes 18 and 23 become. By screwing the lid and The rubber stopper 31 becomes part of the housing in the recesses 16, 17 or 21, 22 clamped and thereby fixed.
  • Housing part 8 and cover 19 are arranged so that the Longitudinal axis of the motor pump unit 28 essentially is arranged between the bases by the Wheels 3 and the support 4 are formed, i.e. the The focus of this motor pump unit is about Middle between these bases. Because of the inclination the longitudinal axis of the housing and thus also the longitudinal axis the motor pump unit 28 is here for the relocation given a certain amount of leeway through more or less strong inclination shift the focus as desired.
  • An oil reservoir 32 arranged on the pump enters through the opening 26 out of the interior of the housing, so that the oil level in the oil reservoir 32nd checked and if necessary even with the housing closed can be changed.
  • the closed housing is covered by an outer cover 33 overlay, which has the shape of a hood and which surrounds the lid 19 at a distance.
  • This cover 33 covers that which passes through the opening 26 of the cover 19 Oil reservoir 32 and the chamber 27 for the electrical parts, moreover, in the space other parts not shown in the drawing be, for example liquid lines Etc.
  • liquid container 34 on the back of the device 34 arranged, which is essentially over the entire width and the entire height of the housing and lies flat against it.
  • This liquid container 34 is used to hold cleaning chemicals or similar liquids, it is detachable on Chassis 1 held. To do this, he reaches down protruding feet 35 in recesses on the chassis 1 and is on its top by a notch 36 held, which is elastically deformable to the liquid container 34 to release.
  • This liquid container 34 forms with the cover 33 a unit so that the cover 33 and the liquid container 34 together the exterior of the Determine high-pressure cleaning device, i.e. a kind Form the outer housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Inorganic Insulating Materials (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (30)

  1. Appareil mobile de nettoyage à haute pression comportant un moteur et une pompe entraínée par ce moteur, le moteur et la pompe étant entourés par un carter, caractérisé en ce que le carter comprend un châssis mobile (1) comportant une poignée (5) et sur lequel une partie de carter en forme de coque (8) est disposée en position redressée et en étant ouverte en direction d'une face frontale, que la partie de carter en forme de coque (8) loge le moteur et la pompe (28) dans une position redressée, qu'un couvercle (19) peut être placé sur le côté ouvert de la partie de carter (8) de manière à fermer cette dernière et à entourer le moteur et la pompe (28), et que des éléments de retenue (30) situés sur le moteur et/ou sur la pompe (28) s'engagent entre la partie de carter en forme de coque (8) et le couvercle (19) de telle sorte qu'à l'état fermé la partie de carter (8) et le couvercle (19) fixent le moteur et la pompe (28) dans le carter formé par la partie de carter (8) et le couvercle (19) .
  2. Appareil de nettoyage à haute pression selon la revendication 1, caractérisé en ce que dans les bords latéraux (12, 13) de la partie de carter en forme de coque (8) sont disposés des renfoncements (16, 17), dans lesquels s'engagent les éléments de retenue (30) situés sur le moteur et/ou sur la pompe (28).
  3. Appareil de nettoyage à haute pression selon la revendication 2, caractérisé en ce qu'aux bords latéraux (12,13) de la partie de carter en forme de coque (8) se raccordent des brides (14, 15), qui font saillie radialement et dans lesquelles les renfoncements s'étendent au moins sur une partie de la largeur des brides (14, 15).
  4. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que dans des bords latéraux de couvercle (19) sont disposés des renfoncements (21, 22), dans lesquels s'engagent les éléments de retenue (30) situés sur le moteur et/ou sur la pompe (28).
  5. Appareil de nettoyage à haute pression selon la revendication 4, caractérisé en ce qu'aux bords latéraux du couvercle (19) se raccordent des brides (20), qui font saillie radialement et dans lesquelles les renfoncements (21, 22) s'étendent au moins sur une partie de la largeur des brides.
  6. Appareil de nettoyage à haute pression selon l'une des revendications 2 à 5, caractérisé en ce que les renfoncements (16, 17; 21, 22) sont superposés dans la partie de carter en forme de coque (8) et dans le couvercle (19), lorsque le carter est à l'état fermé.
  7. Appareil de nettoyage à haute pression selon l'une des revendications 2 à 6, caractérisé en ce que la partie de carter en forme de coque (8) et le couvercle (19) sont reliés entre eux en dehors des renfoncements (16, 17; 21, 22).
  8. Appareil de nettoyage à haute pression selon la revendication 7, caractérisé en ce que la liaison est réalisée au moyen de vis disposées à côté des renfoncements (16, 17; 21, 22).
  9. Appareil de nettoyage à haute pression selon l'une des revendications 2 à 8, caractérisé en ce que les renfoncements (16, 17; 21, 22) ont une forme semi-circulaire en coupe transversale.
  10. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que les éléments de retenue (30) sont des bras (30) qui font saillie latéralement à partir du moteur et/ou de la pompe (28).
  11. Appareil de nettoyage à haute pression selon l'une des revendications 2 à 10, caractérisé en ce que les éléments de retenue (30) pénètrent dans les renfoncements (16, 17; 21, 22) moyennant le montage intercalé d'un matériau (31) présentant l'élasticité du caoutchouc.
  12. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le carter constitué par la partie de carter en forme de coque (8) et le couvercle (19) possède essentiellement la forme d'un cylindre circulaire.
  13. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le carter, qui est constitué par la partie de carter en forme de coque (8) et le couvercle (19), est disposé de telle sorte que son axe longitudinal s'étend entre les points d'appui (3, 4) du châssis mobile (1).
  14. Appareil de nettoyage à haute pression selon la revendication 13, caractérisé en ce que l'axe longitudinal du carter est légèrement incliné par rapport à la verticale.
  15. Appareil de nettoyage à haute pression selon la revendication 14, caractérisé en ce que le châssis mobile (1), agencé à la manière d'un diable, comporte deux roues (3) disposées côte-à-côte, au niveau de son extrémité arrière, au moins un appui (4) au niveau de son extrémité avant et la poignée (5) dirigée vers le haut, au niveau de son extrémité arrière.
  16. Appareil de nettoyage à haute pression selon la revendication 15, caractérisé en ce que la poignée (5) est agencée en forme de U avec deux bras (6, 7) et un élément de préhension reliant ces bras et que la partie de carter en forme de coque (8) pénètre entre les bras (6, 7) de la poignée (5).
  17. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le plan de séparation du carter en forme de coque (8) et du couvercle (19) est situé approximativement au centre du carter.
  18. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le plan de séparation du carter en forme de coque (8) et du couvercle (19) s'étend parallèlement à l'axe longitudinal du carter.
  19. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le moteur et la pompe sont disposés l'un derrière l'autre dans la direction de l'axe longitudinal du carter.
  20. Appareil de nettoyage à haute pression selon la revendication 19, caractérisé en ce que le moteur est disposé au-dessus de la pompe.
  21. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le carter comporte, au niveau de son côté supérieur et de son côté inférieur, des ouvertures d'aération (10) et que le moteur porte une roue de ventilateur (29), qui produit un courant d'air à travers le carter.
  22. Appareil de nettoyage à haute pression selon la revendication 21, caractérisé en ce que sur le côté de sortie du courant d'air sont disposés des éléments de déviation (25), qui font saillie latéralement et qui empêchent un reflux direct du courant d'air le long de la face extérieure du carter en direction du côté entrée du courant d'air.
  23. Appareil de nettoyage à haute pression selon la revendication 22, caractérisé en ce que les éléments de déviation (25) sont formés sur le couvercle (19).
  24. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le couvercle (19) possède une ouverture (26), que traverse un réservoir d'huile (32) de la pompe.
  25. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le couvercle (19) porte une chambre (27) servant à loger des éléments de commutation et de liaison électriques.
  26. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le carter peut être recouvert par un capot extérieur (33), qui s'étend à distance du couvercle (19).
  27. Appareil de nettoyage à haute pression selon la revendication 26, caractérisé en ce que le capot situé du côté de la partie de carter en forme de coque (8) est formé par une cuve à liquide (34) servant à recevoir des produits chimiques.
  28. Appareil de nettoyage à haute pression selon la revendication 27, caractérisé en ce que la cuve à liquide (34) est fixée de façon amovible au châssis mobile (1).
  29. Appareil de nettoyage à haute pression selon la revendication 28, caractérisé en ce que la cuve à liquide (34) s'étend sur toute la largeur du châssis mobile (1) et s'applique à plat contre les deux côtés extérieurs de la partie de carter en forme de coque (8).
  30. Appareil de nettoyage à haute pression selon l'une des revendications précédentes, caractérisé en ce que le châssis mobile (1) et la partie de carter en forme de coque (8) sont agencés d'un seul tenant.
EP97931757A 1996-08-31 1997-07-03 Nettoyeur haute pression mobile Expired - Lifetime EP0921869B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19635337 1996-08-31
DE19635337A DE19635337C1 (de) 1996-08-31 1996-08-31 Fahrbares Hochdruckreinigungsgerät
PCT/EP1997/003506 WO1998008623A1 (fr) 1996-08-31 1997-07-03 Nettoyeur haute pression mobile

Publications (2)

Publication Number Publication Date
EP0921869A1 EP0921869A1 (fr) 1999-06-16
EP0921869B1 true EP0921869B1 (fr) 2002-01-23

Family

ID=7804258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97931757A Expired - Lifetime EP0921869B1 (fr) 1996-08-31 1997-07-03 Nettoyeur haute pression mobile

Country Status (5)

Country Link
EP (1) EP0921869B1 (fr)
AT (1) ATE212256T1 (fr)
CA (1) CA2263155A1 (fr)
DE (2) DE19635337C1 (fr)
WO (1) WO1998008623A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012119640A2 (fr) 2011-03-07 2012-09-13 Alfred Kärcher Gmbh & Co. Kg Nettoyeur haute pression roulant

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29820462U1 (de) * 1998-11-16 1999-02-18 Alfred Kärcher GmbH & Co, 71364 Winnenden Hochdruckreinigungsgerät
DE10330917B3 (de) * 2003-07-04 2004-11-04 Alfred Kärcher Gmbh & Co. Kg Hochdruckreinigungsgerät
US20050082441A1 (en) * 2003-10-20 2005-04-21 Gilpatrick Richard J. Frame for pressurized fluid apparatus
DE102018101803A1 (de) * 2018-01-26 2019-08-01 Josef Kränzle GmbH & Co. KG Reinigungseinheit
DE102018101805B4 (de) * 2018-01-26 2019-09-26 Josef Kränzle GmbH & Co. KG Reinigungseinheit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4851724A (en) * 1988-08-08 1989-07-25 Power Flo Products Corp. Pressure washer
DE4108775A1 (de) * 1991-03-18 1992-09-24 Kaercher Gmbh & Co Alfred Hochdruckreinigungsgeraet
DE9109717U1 (de) * 1991-08-06 1991-09-19 Fa. Andreas Stihl, 7050 Waiblingen Gehäuse für ein Hochdruckreinigungsgerät
US5287029A (en) * 1991-10-09 1994-02-15 General Signal Corporation Casing with integral mounting for an electric motor
DE4138451C2 (de) * 1991-11-22 1994-08-11 Josef Kraenzle Hochdruck-Reiniger
DE9201525U1 (de) * 1992-02-07 1992-07-30 Elektra-Beckum Lubitz & Co, 4470 Meppen Transportwagen für einen vorzugsweise tragbaren Hochdruckreiniger
DE9403745U1 (de) * 1994-03-05 1994-05-05 Hans Einhell AG, 94405 Landau Hochdruckreiniger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012119640A2 (fr) 2011-03-07 2012-09-13 Alfred Kärcher Gmbh & Co. Kg Nettoyeur haute pression roulant

Also Published As

Publication number Publication date
DE19635337C1 (de) 1998-02-26
DE59706194D1 (de) 2002-03-14
ATE212256T1 (de) 2002-02-15
CA2263155A1 (fr) 1998-03-05
EP0921869A1 (fr) 1999-06-16
WO1998008623A1 (fr) 1998-03-05

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