EP0481223A1 - Railway vehicle - Google Patents

Railway vehicle Download PDF

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Publication number
EP0481223A1
EP0481223A1 EP91115688A EP91115688A EP0481223A1 EP 0481223 A1 EP0481223 A1 EP 0481223A1 EP 91115688 A EP91115688 A EP 91115688A EP 91115688 A EP91115688 A EP 91115688A EP 0481223 A1 EP0481223 A1 EP 0481223A1
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EP
European Patent Office
Prior art keywords
rail vehicle
boom
radiator
units
ballast
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91115688A
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German (de)
French (fr)
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EP0481223B1 (en
Inventor
Heinrich Keller
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.)
Hermann Wiebe Grundstuecks- und Maschinenanlagen KG
Original Assignee
Hermann Wiebe Grundstuecks- und Maschinenanlagen KG
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Publication of EP0481223A1 publication Critical patent/EP0481223A1/en
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Publication of EP0481223B1 publication Critical patent/EP0481223B1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H11/00—Control of undesirable vegetation on roads or similar surfaces or permanent ways of railways, e.g. devices for scorching weeds or for applying herbicides; Applying liquids, e.g. water, weed-killer bitumen, to permanent ways

Definitions

  • the invention relates to a rail vehicle for combating undesirable vegetation on railroad tracks in the area adjacent to the track area and ballast flanks, in particular the edge path, with at least one radiator unit mounted on the rail vehicle so as to be able to be displaced transversely to the longitudinal direction of the vehicle, for generating electromagnetic radiation, in particular infrared radiation, the radiator units are articulated on a boom arranged on the top of the rail vehicle.
  • Such a vehicle is known from DE-U-89 11 198, in which the emitter unit consists of a plurality of boxes which are connected to one another in a chain and which are mounted below the car body and can be extended laterally from there.
  • the outermost spotlight box is articulated to the boom for static reasons. This spotlight box can only be moved simultaneously with the parts of the spotlight unit articulated on the carriage side.
  • the processing of the side path adjoining it or the subsequent embankment is cumbersome in the above-described device.
  • the extended radiator unit reaches an obstacle in the peripheral path area, for example a mast, the entire radiator unit must be withdrawn there, which is only possible while simultaneously pivoting the individual links of the radiator unit.
  • the spotlight boxes in the track and ballast flank area per se would not be affected by the obstacle, such as the base of the catenary mast. Their adjustment is only a consequence of the need to prevent the outermost radiator box assigned to the edge path or the embankment from colliding.
  • the object of the invention is to independently irradiate the track area and ballast flanks on the one hand, and from the edge path or embankment on the other. In this sense, it is provided according to the invention for the irradiation of the area adjoining the side in the track area and ballast flanks that the emitter units are carried exclusively by the boom and can be moved by the same over the top of the rail vehicle.
  • each radiator unit is connected to the boom via two articulation points.
  • the slope of the slope or the edge path are not significantly different before and after an obstacle. Therefore, by avoiding an obstacle by operating the boom, the inclination of the radiator unit should not change.
  • This can be achieved, for example, in that the two-arm boom designed as a parallelogram link carries at its free end a directionally stable sign on which the radiator units are articulated.
  • a rail vehicle 1 is indicated by its loading surface 7 and the maximum permissible clearance profile 23.
  • the radiator units for the treatment of surfaces lying outside the track area 24, in particular the adjoining edge path 27 or an embankment adjoining the ballast flank 25, must be retractable into the interior of the clearance profile 23.
  • the radiator units 3, 3 'must of course also avoid collisions with obstacles, in particular with mast bases 6 or masts 5, when moving the rail vehicle 1.
  • the radiator units arranged below the vehicle and retractable on the underside thereof are assigned only one working area which is delimited by curve 21.
  • the arm 20 is preferably designed as a parallelogram link.
  • An example of the constructive implementation of this idea is shown in FIGS. 3 and 4.
  • the parallelogram link 20 shown has articulated primary arms 8 and secondary arms 12, the primary arms 8 being articulated to a frame 17.
  • the frame 17 in turn is pivotable about a vertical axis 16 so that the boom 20 can either reach the left or right edge path; otherwise separate booms are required for the right and left edge paths; This is particularly useful when using single-track lines, since left and right can then be worked simultaneously in one trip.
  • the pivoting movement of the primary arms 8 takes place by actuation of the primary cylinder 14, the change in the mutual angular position of primary arms and secondary arms by actuation of the secondary cylinder 15.
  • a primary link 11 and two secondary links 13 are provided, which are connected to one another in the manner shown by a simple link arm 10 and a double arm 31. That the connection line of the ends of secondary arms and secondary links never changes direction in such a construction is known per se and can also be seen from FIG. 3.
  • a shield 19 is provided on the left and right of the boom 20 as shown in FIG. 4.
  • the radiator units 3 and 3 ' are articulated on the one hand directly by means of the axis 26, and on the other hand indirectly via the hydraulic units 18 and 18'.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)

Abstract

A railway vehicle for controlling undesirable plant growth along railway lines in the region laterally adjoining the track region and ballast flanks, in particular the berm, having at least one radiator unit for generating electromagnetic radiation, in particular infrared radiation, which is mounted displaceably on the rail vehicle transversely with respect to the longitudinal direction of said vehicle. The radiator units are mounted in articulated fashion on an extension arm arranged on the upper side of the railway vehicle. To permit irradiation of the track region and ballast flanks on the one hand and berm or embankment on the other hand, the radiator units (3,3') are borne solely by the extension arm (20) and can be brought by means of the same over the upper side of the railway vehicle (1). <IMAGE>

Description

Die Erfindung bezieht sich auf ein Schienenfahrzeug zur Bekämpfung von unerwünschtem Pflanzenwuchs auf Eisenbahntrassen in dem seitlich an Gleisbereich und Schotterflanken anschließenden Bereich, insbesondere dem Randweg, mit mindestens einer am Schienenfahrzeug quer zur Fahrzeuglängsrichtung verschiebbar gelagerten Strahlereinheit zur Erzeugung elektromagnetischer Strahlung, insbesondere Infrarotstrahlung, wobei die Strahlereinheiten an einem auf der Oberseite des Schienenfahrzeuges angeordneten Ausleger angelenkt sind.The invention relates to a rail vehicle for combating undesirable vegetation on railroad tracks in the area adjacent to the track area and ballast flanks, in particular the edge path, with at least one radiator unit mounted on the rail vehicle so as to be able to be displaced transversely to the longitudinal direction of the vehicle, for generating electromagnetic radiation, in particular infrared radiation, the radiator units are articulated on a boom arranged on the top of the rail vehicle.

Aus DE-U-89 11 198 ist ein derartiges Fahrzeug bekannt, bei dem die Strahlereinheit aus mehreren kettenartig miteinander verbundenen Kästen besteht, welche unterhalb des Wagenkastens gelagert und von dort seitlich ausfahrbar sind. Die Anlenkung des äußersten Strahlerkastens an den Ausleger erfolgt aus statischen Gründen. Eine Verschiebung dieses Strahlerkastens kann nur gleichzeitig mit den wagenseitig daran angelenkten Teilen der Strahlereinheit erfolgen.Such a vehicle is known from DE-U-89 11 198, in which the emitter unit consists of a plurality of boxes which are connected to one another in a chain and which are mounted below the car body and can be extended laterally from there. The outermost spotlight box is articulated to the boom for static reasons. This spotlight box can only be moved simultaneously with the parts of the spotlight unit articulated on the carriage side.

So zweckmäßig es ist, die Strahler, welche den Gleisbereich und die daran anschließenden Schotterflanken behandeln sollen, unterhalb des Wagenkastens zu lagern, so umständlich ist bei der vorbeschriebenen Einrichtung die Bearbeitung des seitlich daran anschließenden Randweges bzw. der anschließenden Böschung. Sobald nämlich die ausgefahrene Strahlereinheit zu einem Hindernis im Randwegbereich gelangt, beispielsweise zu einem Masten, muß dort die gesamte Strahlereinheit zurückgezogen werden, was nur unter gleichzeitiger Verschwenkung der einzelnen Glieder der Strahlereinheit möglich ist. Dabei wären die Strahlerkästen im Gleis- und Schotterflankenbereich an sich durch das Hindernis, etwa den Sockel des Fahrleitungsmastes, gar nicht beeinträchtigt. Ihre Verstellung ist nur eine Folge der Notwendigkeit, den äußersten dem Randweg bzw. der Böschung zugeordneten Strahlerkasten vor einer Kollision zu bewahren.As convenient as it is to store the spotlights, which are to treat the track area and the adjoining ballast flanks, underneath the car body, the processing of the side path adjoining it or the subsequent embankment is cumbersome in the above-described device. As soon as the extended radiator unit reaches an obstacle in the peripheral path area, for example a mast, the entire radiator unit must be withdrawn there, which is only possible while simultaneously pivoting the individual links of the radiator unit. The spotlight boxes in the track and ballast flank area per se would not be affected by the obstacle, such as the base of the catenary mast. Their adjustment is only a consequence of the need to prevent the outermost radiator box assigned to the edge path or the embankment from colliding.

Aufgabe der Erfindung ist es, die Bestrahlung von Gleisbereich und Schotterflanken einerseits, von Randweg bzw. Böschung andererseits unabhängig vorzunehmen. In diesem Sinne ist erfindungsgemäß für die Bestrahlung des seitlich im Gleisbereich und Schotterflanken anschließenden Bereichs vorgesehen, daß die Strahlereinheiten ausschließlich vom Ausleger getragen und durch denselben über die Oberseite des Schienenfahrzeuges verbringbar sind.The object of the invention is to independently irradiate the track area and ballast flanks on the one hand, and from the edge path or embankment on the other. In this sense, it is provided according to the invention for the irradiation of the area adjoining the side in the track area and ballast flanks that the emitter units are carried exclusively by the boom and can be moved by the same over the top of the rail vehicle.

Da im Gegensatz zum Stand der Technik die Strahlereinheiten nur mehr am Ausleger befestigt sind, muß dieser die Strahler nicht nur tragen, sondern auch ihre Richtung festlegen. Hiezu ist vorgesehen, daß jede Strahlereinheit über zwei Anlenkstellen mit dem Ausleger verbunden ist.Since, in contrast to the prior art, the emitter units are only attached to the bracket, this must not only support the emitter, but also determine its direction. For this purpose, it is provided that each radiator unit is connected to the boom via two articulation points.

Normalerweise ist davon auszugehen, daß vor und nach einem Hindernis die Neigung der Böschung bzw. des Randweges nicht wesentlich verschieden sind. Es sollte sich daher dadurch, daß durch Betätigung des Auslegers einem Hindernis ausgewichen wird, die Schrägstellung der Strahlereinheit nicht ändern. Dies kann beispielsweise erreicht werden, indem der als Parallelogrammlenker ausgebildete zweiarmige Ausleger an seinem freien Ende ein richtungsstabiles Schild trägt, an welchem die Strahlereinheiten angelenkt sind.Normally, it can be assumed that the slope of the slope or the edge path are not significantly different before and after an obstacle. Therefore, by avoiding an obstacle by operating the boom, the inclination of the radiator unit should not change. This can be achieved, for example, in that the two-arm boom designed as a parallelogram link carries at its free end a directionally stable sign on which the radiator units are articulated.

Einzelheiten der Erfindung werden anschließend anhand der Zeichnung erläutert.

  • Fig. 1 zeigt schematisch in Gleisrichtung den Einsatzbereich der erfindungsgemäßen Einrichtung, Fig. 2 in analoger Darstellung deren Funktionsweise, Fig. 3 ist die schaubildliche Darstellung einer Ausführungsform des erfindungsgemäßen Auslegers, Fig. 4 eine Seitenansicht jenes Bereiches des Auslegers, an welchen die Strahlereinheiten für den Randwegbereich angelenkt sind.
Details of the invention are subsequently explained with reference to the drawing.
  • Fig. 1 shows schematically in the track direction the area of application of the device according to the invention, Fig. 2 in an analogous representation of its operation, Fig. 3 is a diagrammatic representation of an embodiment of the bracket according to the invention, Fig. 4 is a side view of that area of the bracket on which the radiator units for the edge path area are articulated.

In Fig. 1 ist ein Schienenfahrzeug 1 durch seine Ladefläche 7 und das höchstzulässige Lichtraumprofil 23 angedeutet.In Fig. 1, a rail vehicle 1 is indicated by its loading surface 7 and the maximum permissible clearance profile 23.

Wird ein solches Fahrzeug zur Entkrautung eingesetzt, empfiehlt es sich, die Strahlereinheiten zur Bestrahlung des zwischen den Schienen 2 bzw. Schwellen 3 vorgesehenen Gleisbereiches 24 unterhalb der Ladefläche 7 anzuordnen. Die Strahlereinheiten zur Behandlung außerhalb des Gleisbereiches 24 liegender Flächen, insbesondere des daran anschließenden Randweges 27 bzw. einer an die Schotterflanke 25 anschließenden Böschung müssen ins Innere des Lichtraumprofiles 23 zurückziehbar sein. Außerdem müssen die Strahlereinheiten 3,3' natürlich beim Verfahren des Schienenfahrzeuges 1 auch Kollisionen mit Hindernissen, insbesondere mit Mastsockeln 6 oder Masten 5 vermeiden. erfindungsgemäß wird aus diesem Grunde den unterhalb des Fahrzeuges angeordneten und an dessen Unterseite einziehbaren Strahlereinheiten lediglich ein Arbeitsbereich zugeordnet, welcher durch die Kurve 21 begrenzt ist. Der nach außen daran anschließende Randweg bzw. Böschungsbereich wird hingegen durch gesonderte Strahlereinheiten 3,3' bearbeitet, deren Einsatzbereich durch die Kurve 22 berandet ist. Im zurückgezogenen Zustand befinden sich diese Strahlereinheiten 3,3' nicht unterhalb, sondern oberhalb der Ladefläche 7, wie dies insbesondere aus Fig. 2 hervorgeht.If such a vehicle is used for weeding, it is advisable to arrange the emitter units for irradiating the track area 24 provided between the rails 2 or sleepers 3 below the loading area 7. The radiator units for the treatment of surfaces lying outside the track area 24, in particular the adjoining edge path 27 or an embankment adjoining the ballast flank 25, must be retractable into the interior of the clearance profile 23. In addition, the radiator units 3, 3 'must of course also avoid collisions with obstacles, in particular with mast bases 6 or masts 5, when moving the rail vehicle 1. For this reason, according to the invention, the radiator units arranged below the vehicle and retractable on the underside thereof are assigned only one working area which is delimited by curve 21. The edge path or embankment area adjoining it on the outside, however, is processed by separate emitter units 3, 3 ', the area of use of which is delimited by curve 22. In the retracted state, these emitter units 3, 3 'are not located below but above the loading area 7, as can be seen in particular from FIG. 2.

Aus Fig. 2 ergibt sich, daß die Befestigung der Strahlereinheiten 3 an einem insgesamt mit 20 bezeichneten Ausleger, der an der Oberseite der Ladefläche 7 gelagert ist, auf einfache Weise einerseits die Bearbeitung des Randweges 27, andererseits das Verstauen der Strahlereinheit 3 innerhalb des Lichtraumprofils 23 erlaubt.From Fig. 2 it follows that the attachment of the radiator units 3 on a bracket designated 20, which is mounted on the top of the loading surface 7, on the one hand, the processing of the edge path 27, on the other hand, the stowing of the radiator unit 3 within the clearance profile 23 allowed.

Um die Beibehaltung der Richtung der Strahlereinheit 3 während des Ein- und Ausschwenkens des Auslegers 20 zu gewährleisten, ist der Ausleger 20 vorzugsweise als Parallelogrammlenker ausgebildet. Ein Beispiel für die konstruktive Durchführung dieses Gedankens ist in Fig. 3 und 4 dargestellt.In order to ensure that the direction of the radiator unit 3 is maintained during the pivoting in and out of the arm 20, the arm 20 is preferably designed as a parallelogram link. An example of the constructive implementation of this idea is shown in FIGS. 3 and 4.

Der dargestellte Parallelogrammlenker 20 weist gelenkig miteinander verbundene Primärarme 8 und Sekundärarme 12 auf, wobei die Primärarme 8 gelenkig an einem Rahmen 17 befestigt sind. Der Rahmen 17 wiederum ist um eine vertikale Achse 16 schwenkbar, damit der Ausleger 20 wahlweise den linken oder rechten Randweg erreichen kann; andernfalls sind für den rechten und den linken Randweg gesonderte Ausleger erforderlich; dies ist insbesondere beim Einsatz in eingleisigen Strecken zweckmäßig, da dann links und rechts gleichzeitig - in einer Fahrt - gearbeitet werden kann. Die Schwenkbewegung der Primärarme 8 erfolgt durch Betätigung des Primärzylinders 14, die Veränderung der gegenseitigen Winkelstellung von Primärarmen und Sekundärarmen durch Betätigung des Sekundärzylinders 15.The parallelogram link 20 shown has articulated primary arms 8 and secondary arms 12, the primary arms 8 being articulated to a frame 17. The frame 17 in turn is pivotable about a vertical axis 16 so that the boom 20 can either reach the left or right edge path; otherwise separate booms are required for the right and left edge paths; This is particularly useful when using single-track lines, since left and right can then be worked simultaneously in one trip. The pivoting movement of the primary arms 8 takes place by actuation of the primary cylinder 14, the change in the mutual angular position of primary arms and secondary arms by actuation of the secondary cylinder 15.

Um die räumliche Orientierung eines am Ende der Sekundärarme 12 angelenkten Teiles konstant zu halten, sind ein Primärlenker 11 und zwei Sekundärlenker 13 vorgesehen, welche miteinander in der dargestellten Weise durch einen einfachen Lenkerarm 10 und einen Doppelarm 31 verbunden sind. Daß bei einer derartigen Konstruktion die Verbindungslinie der Enden von Sekundärarmen und Sekundärlenkern ihre Richtung nie ändert, ist an sich bekannt und aus Fig. 3 im übrigen zu ersehen.In order to keep the spatial orientation of a part articulated at the end of the secondary arms 12 constant, a primary link 11 and two secondary links 13 are provided, which are connected to one another in the manner shown by a simple link arm 10 and a double arm 31. That the connection line of the ends of secondary arms and secondary links never changes direction in such a construction is known per se and can also be seen from FIG. 3.

Als bei der Verschwenkung des Auslegers 20 richtungsinvariant bleibender Teil ist gemäß Fig. 4 links und rechts am Ausleger 20 je ein Schild 19 vorgesehen. An diesem sind die Strahlereinheiten 3 und 3' einerseits unmittelbar mittels der Achse 26, andererseits mittelbar über die Hydraulikeinheiten 18 und 18' angelenkt. Alternativ wäre es möglich, nur eine der Strahlereinheiten selbst am Ausleger 20 zu befestigen, diese jedoch aus zwei gelenkig miteinander verbundenen Strahlerkästen aufzubauen, deren gegenseitige Winkelstellung durch eine Hydraulikeinheit veränderlich ist.As part that remains invariant in the direction of pivoting of the boom 20, a shield 19 is provided on the left and right of the boom 20 as shown in FIG. 4. On this, the radiator units 3 and 3 'are articulated on the one hand directly by means of the axis 26, and on the other hand indirectly via the hydraulic units 18 and 18'. Alternatively, it would be possible to attach only one of the radiator units themselves to the boom 20, but to build them up from two pivotally connected radiator boxes, the mutual angular position of which can be changed by a hydraulic unit.

Claims (4)

1. Schienenfahrzeug zur Bekämpfung von unerwünschtem Pflanzenwuchs auf Eisenbahntrassen in dem seitlich an Gleisbereich und Schotterflanken anschließenden Bereich, insbesondere dem Randweg, mit mindestens einer am Schienenfahrzeug quer zur Fahrzeuglängsrichtung verschiebbar gelagerten Strahlereinheit zur Erzeugung elektromagnetischer Strahlung, insbesondere Infrarotstrahlung, wobei die Strahlereinheiten an einem auf der Oberseite des Schienenfahrzeuges angeordneten Ausleger angelenkt sind, dadurch gekennzeichnet, daß die Strahlereinheiten (3,3') ausschließlich vom Ausleger (20) getragen und durch denselben über die Oberseite des Schienenfahrzeuges (1) verbringbar sind.1.Rail vehicle for combating undesirable vegetation on railway tracks in the area adjacent to the track area and ballast flanks, in particular the edge path, with at least one radiator unit mounted on the rail vehicle so as to be displaceable transversely to the longitudinal direction of the vehicle for generating electromagnetic radiation, in particular infrared radiation, the radiator units being attached to one of the Booms arranged on the top of the rail vehicle are articulated, characterized in that the radiator units (3, 3 ') are carried exclusively by the boom (20) and can be moved through the boom over the top of the rail vehicle (1). 2. Schienenfahrzeug nach Anspruch 1, dadurch gekennzeichnet, daß jede Strahlereinheit (3,3') über zwei Anlenkstellen mit dem Ausleger (20) verbunden ist.2. Rail vehicle according to claim 1, characterized in that each radiator unit (3,3 ') is connected to the boom (20) via two articulation points. 3. Schienenfahrzeug nach Anspruch 2, dadurch gekennzeichnet, daß die Strahlereinheiten (3,3') an einem Teil des Auslegers (20) angeordnet sind, der bei der Bewegung des Auslegers (20) seine Orientierung nicht ändert.3. Rail vehicle according to claim 2, characterized in that the radiator units (3, 3 ') are arranged on a part of the boom (20) which does not change its orientation when the boom (20) moves. 4. Schienenfahrzeug nach Anspruch 3, dadurch gekennzeichnet, daß der als Parallelogrammlenker ausgebildete zweiarmige Ausleger (20) an seinem freien Ende ein richtungsstabiles Schild (19) trägt, an welchem die Strahlereinheiten (3,3') angelenkt sind.4. Rail vehicle according to claim 3, characterized in that the two-arm boom (20) designed as a parallelogram link carries at its free end a directionally stable shield (19) on which the radiator units (3, 3 ') are articulated.
EP91115688A 1990-10-15 1991-09-16 Railway vehicle Expired - Lifetime EP0481223B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9014294U DE9014294U1 (en) 1990-10-15 1990-10-15 Rail vehicle
DE9014294U 1990-10-15

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EP0481223A1 true EP0481223A1 (en) 1992-04-22
EP0481223B1 EP0481223B1 (en) 1994-12-07

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AT (1) ATE115217T1 (en)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9206335U1 (en) * 1992-05-12 1992-07-23 Hermann Wiebe Grundstücks- und Maschinenanlagen KG, 2800 Bremen Rail-bound carrier vehicle

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9112971U1 (en) * 1991-10-18 1992-06-17 Huber, Kurt, 7982 Baindt Thermal weed removal device
DE9206334U1 (en) * 1992-05-12 1992-07-30 Hermann Wiebe Grundstücks- und Maschinenanlagen KG, 27313 Dörverden Rail-bound carrier vehicle
DE9208971U1 (en) * 1992-07-04 1992-09-17 Hermann Wiebe Grundstücks- und Maschinenanlagen KG, 2800 Bremen Device for destroying unwanted plant growth

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087121A5 (en) * 1970-05-05 1971-12-31 Landeghem Paul Van
DE2140073A1 (en) * 1970-08-12 1972-03-09 Brandyske strojirny a slevarny, n. p., Brandys, Labern (Tschechoslowakei) Additional equipment on street cleaning machines for clearing loose snow
DE8911198U1 (en) * 1989-09-20 1989-11-23 Hermann Wiebe Grundstücks- und Maschinenanlagen KG, 2800 Bremen Rail vehicle for combating unwanted plant growth on railways

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087121A5 (en) * 1970-05-05 1971-12-31 Landeghem Paul Van
DE2140073A1 (en) * 1970-08-12 1972-03-09 Brandyske strojirny a slevarny, n. p., Brandys, Labern (Tschechoslowakei) Additional equipment on street cleaning machines for clearing loose snow
DE8911198U1 (en) * 1989-09-20 1989-11-23 Hermann Wiebe Grundstücks- und Maschinenanlagen KG, 2800 Bremen Rail vehicle for combating unwanted plant growth on railways

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9206335U1 (en) * 1992-05-12 1992-07-23 Hermann Wiebe Grundstücks- und Maschinenanlagen KG, 2800 Bremen Rail-bound carrier vehicle

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DE59103795D1 (en) 1995-01-19
DE9014294U1 (en) 1990-12-20
EP0481223B1 (en) 1994-12-07
ATE115217T1 (en) 1994-12-15

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