EP3401444B1 - Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden - Google Patents

Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden Download PDF

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Publication number
EP3401444B1
EP3401444B1 EP17170545.2A EP17170545A EP3401444B1 EP 3401444 B1 EP3401444 B1 EP 3401444B1 EP 17170545 A EP17170545 A EP 17170545A EP 3401444 B1 EP3401444 B1 EP 3401444B1
Authority
EP
European Patent Office
Prior art keywords
trench
base frame
trench wall
clamping
wall apparatus
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.)
Active
Application number
EP17170545.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3401444A1 (de
Inventor
Ludwig Andreas Huber
Leonhard Weixler
Olivier Pierre Dominique HAYE
Philippe Manuel DE SOUSA
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.)
VSL International Ltd
Bauer Maschinen GmbH
Original Assignee
VSL International Ltd
Bauer Maschinen GmbH
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 VSL International Ltd, Bauer Maschinen GmbH filed Critical VSL International Ltd
Priority to EP17170545.2A priority Critical patent/EP3401444B1/de
Priority to SG10201803597WA priority patent/SG10201803597WA/en
Priority to US15/970,615 priority patent/US10822767B2/en
Priority to CA3004009A priority patent/CA3004009C/en
Priority to CN201810448208.8A priority patent/CN108867735A/zh
Priority to KR1020180054057A priority patent/KR102003886B1/ko
Publication of EP3401444A1 publication Critical patent/EP3401444A1/de
Application granted granted Critical
Publication of EP3401444B1 publication Critical patent/EP3401444B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/04—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging screws
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/183—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with digging unit shiftable relative to the frame
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/22—Component parts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0038—Production methods using an auger, i.e. continuous flight type
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole

Definitions

  • the invention relates to a trench wall device for creating a slot in the floor, comprising a base frame, at least one Bodenabtrags issued, which at a lower end portion of the base frame, a holding device at an upper end portion of the base frame, a clamping device with at least two opposing and laterally movable clamping elements and at least one Stellzylinder through which the clamping elements for clamping at least a portion of the slot wall device in the slot are laterally extendable, and a pressure device, by which a pressing force on the at least one Bodenabtrags adopted can be applied, according to the preamble of claim 1.
  • the invention further relates to a method for creating a slot in the ground with a slot wall device, wherein a base frame of the slot wall device is held at an upper end portion by means of a holding means by means of at least one Bodenabtrags adopted, which is arranged at a lower end portion of the base frame, forming the slot Floor is removed, by means of a bracing at least two opposing clamping elements are extended by at least one actuating cylinder, wherein at least a portion of the Schlitzwandauss is braced in the slot and a pressing force is applied to the at least one Bodenabtrags observed by means of a pressure device, according to the preamble of claim 12th
  • slotted wall devices are known in particular as so-called trench wall milling with cutting wheels as Bodenabtrags noticed. These are usually suspended on a carrier device via a carrying cable. This is the case with such devices maximum pressure on the ground limited by the weight of the diaphragm wall unit.
  • a state of the art is from the EP 0 811 724 B1 and the DE 697 28 713 T2 known.
  • trench wall cutter lateral clamping elements are provided on a base frame with which the base frame clamped in the milling frame and the base frame can be fixed to the ground.
  • the cutting wheels are arranged on a vertically adjustable carrier unit, wherein the carrier unit can be pressed with the cutting wheels by means of vertically arranged hydraulic cylinder down when the base frame is clamped in the slot.
  • Au der DE 23 34 591 A1 goes out a drill gripper that can be braced in a borehole.
  • the drill grapple shells are opened and closed by a central hydraulic cylinder.
  • the EP 2 378 002 A1 shows a trench cutter, which is guided by means of guide shoes on a vertical pile.
  • a cutting wheel is diagonally adjustable under another cutting wheel.
  • a generic slotted wall unit goes out of the WO 2017/042 499 A2 out. Also in this trench wall device, the horizontal clamping cylinder must apply such a high pressure force on the wall of the slot that the trench wall device is not pressed by the propulsion force of the vertical jacking cylinder on the cutting wheels up.
  • the invention has for its object to provide a trench wall device and a method for creating a slot in the ground, wherein in a simple construction of the trench wall device in a particularly efficient manner, a high Andrucckraft can be applied to a Bodenabtrags worn.
  • the slotted wall device is characterized in that the clamping device are arranged with at least two clamping elements and the at least one clamping cylinder on an intermediate frame, which is displaceably mounted along the base frame, and that the pressure device between the intermediate frame and the base frame is arranged.
  • the inventive method for creating a slot in the bottom is characterized in that the bracing means are arranged with the at least two clamping elements and the at least one clamping cylinder on an intermediate frame which is slidably mounted along the base frame, that clamped by the bracing of the intermediate frame and opposite is set to the ground and that by means of the pressure device of the base frame is pressed with the Bodenabtrags worn down.
  • a basic idea of the invention is that, when processing harder soil material, a substantial part of the weight of the trench wall device continues to act on the soil removal device, a pressure force being essentially additionally applied by the pressure device.
  • the base frame on which the trench wall device is suspended or supported remains connected to the Bodenabtrags issued, while against the surrounding walls of the slot clamping only a relatively small intermediate frame takes place at which the plate-like clamping elements and the at least one clamping cylinder are arranged.
  • the base frame with the Bodenabtrags is slidably mounted on the intermediate frame.
  • the pressure device is arranged between the intermediate frame and the base frame, so that in this way in addition to the weight of the base frame and the Bodenabtrags adopted a pressing force is applied. So since the pressure device only an additional Andrucckraft has applied, this can be designed more compact and overall cost.
  • a preferred embodiment of the trench wall device according to the invention is that the intermediate frame is slidably mounted on an outer side of the base frame. On the outside of the base frame corresponding guide and sliding means may be provided for the intermediate frame.
  • the base frame it is particularly preferred for the base frame to have a box-type bearing section along which the intermediate frame is mounted and displaceably guided.
  • the bearing section on the base frame can have a smaller cross section than adjacent areas of the base frame.
  • the bearing portion is particularly designed so that the intermediate frame is slidably mounted between an upper position and a lower position along the vertical or the longitudinal axis of the base frame.
  • a clearance is preferably formed on the bearing portion, in which the clamping device with the clamping elements and the adjusting cylinders are arranged so that they do not protrude in their outer dimensions in a retracted position does not extend beyond the outer periphery of the base frame.
  • the intermediate frame has a staple-like base slide on which the clamping elements are mounted displaceably.
  • the base carriage of the intermediate frame thus constitutes a sleeve-like component which, in particular, surrounds the box-like bearing section in the manner of a clip.
  • the particular plate-like clamping elements which are relatively large in area and in width largely correspond to a width of the broad side of the base frame, are arranged on an outer side of the base carriage.
  • Between the base carriage and the clamping elements of at least one actuating cylinder is arranged, which is preferably a hydraulically operated actuating cylinder, a so-called hydraulic cylinder.
  • a single clamping element and in particular a pair of clamping elements can be provided, which are adjustable by means of a single actuating cylinder between the retracted rest position and the extended clamping position. It is particularly advantageous according to a development of the invention that a plurality of actuating cylinders between the clamping elements and the base carriage are arranged.
  • a plurality of actuating cylinders between the clamping elements and the base carriage are arranged.
  • in plate-like clamping elements with a large area can be provided two, three, four or more actuating cylinder.
  • the actuating cylinder or cylinders can be arranged in a suitable manner, wherein the actuating forces can be translated via appropriate transmission mechanisms in a desired horizontal adjusting movement of the clamping elements.
  • a preferred embodiment of the trench wall device according to the invention is that a plurality of actuating cylinders are provided, which are arranged horizontally. As a result, the actuating forces of the actuating cylinder can be transmitted directly in the horizontal direction on the clamping elements.
  • more than two clamping elements such as two or four pairs of clamping elements can be provided, which are each actuated by adjusting cylinder.
  • the horizontal actuating cylinders can be arranged between the clamping elements and the intermediate frame or extend through the intermediate frame and are supported on both sides by clamping elements.
  • a further improvement in the applicability of the trench wall device is achieved in that a plurality of second actuating cylinders are provided, which are arranged inclined to the horizontal.
  • corresponding articulation or transmission mechanisms can be provided by which the obliquely directed actuating forces are converted in the desired manner into a horizontal adjusting movement of the clamping elements.
  • an oblique position of the plate-like clamping elements can be achieved via oblique actuating cylinder, which can be advantageous in certain cases for an extension and retraction of the slot wall device in or out of the ground.
  • each clamping element is adjustably connected via at least one pivot lever with the base slide.
  • the pressure device can be designed in any manner which is suitable for applying an additional pressure force to the soil removal device.
  • the pressure device is arranged between the base frame and the soil removal device.
  • the pressure device has a plurality of pressure cylinders.
  • the pressure cylinders are preferably operated hydraulically. In particular, two, three or four hydraulic pressure cylinders may be provided.
  • each pressure cylinder is attached on the one hand to the base frame and on the other hand to the base slide or a tensioning element.
  • a corresponding holder may be provided, on which the individual pressure cylinders are articulated.
  • the cylinder housing is attached to the base frame, while the free end of the cylinder piston is attached to the base carriage or one of the clamping elements.
  • the attachment can also be done via a swivel joint.
  • the pressure device with the pressure cylinders can be arranged above or below the intermediate frame.
  • the pressure cylinders are arranged inclined to the vertical, wherein by pressing the pressure cylinder, the base frame with the Bodenabtrags adopted is pressed down relative to the braced intermediate frame.
  • the inclination of the pressure cylinder to the vertical is preferably between 1 ° to 30 °, wherein the pressure cylinders are inclined in the direction of the intermediate frame to the outside. Due to this inclination, a certain force component is always generated during the application of the pressure force in the horizontal direction, through which the plate-shaped clamping elements are additionally pressed against the surrounding wall of the slot. hereby a further good positional fixation of the base frame is achieved in the slot even when applying high pressure forces on the Bodenabtrags adopted.
  • the trench wall device is designed as a trench wall cutter, wherein the soil removal device has at least one cutting wheel.
  • the soil removal device has at least one cutting wheel.
  • a plurality of cutting wheels in particular two pairs of cutting wheels, so a total of four cutting wheels are provided.
  • the trench wall cutter thus formed can continuously remove soil, wherein, depending on the embodiment, the removed soil material is discharged via suitable pumping means to the outside of the trimming slot or mixed in situ within the trimming slot with supplied suspension.
  • the trench wall device is designed as a diaphragm wall gripper, wherein the Bodenabtrags adopted comprises a gripper blade.
  • a diaphragm wall grab can be used for the discontinuous lifting of soil material.
  • the inventive design particularly high pressure forces can be generated, with which the gripper blade can penetrate particularly well in the soil to be removed.
  • An inventive slotted wall device 10 is formed as a trench cutter with a base frame 12, at the lower end of which two pairs of cutting wheels 22 are mounted as a soil removing means 20.
  • the trench wall device 10 is attached via a holding device 14, not shown, at the upper end of the base frame 12, in particular via a supporting cable, to a mast of a carrier vehicle, not shown.
  • the base frame 12 is provided along its outside with projecting, plate-shaped guide elements 13, which serve to guide the trench wall cutter in the Frässchlitz.
  • a clamping device 50 is formed with two opposite plate-shaped clamping elements 52.
  • the plate-shaped clamping elements 52 extend substantially over the entire longitudinal or broad side of the slot wall device 10, whereby a large-area support along the wall of the milled slot is achieved.
  • the slot is removed by a corresponding rotation of the cutting wheels 22 via hydraulic drives not shown on the base frame 12.
  • the removed soil material is pumped together with a support suspension, which is introduced into the forming slot, via a pumping means, not shown, on the base frame 12 and conveyed away over the surface.
  • the maximum pressing force of the trench wall device 10 on the Bodenabtrags worn 20 by the weight of the trench wall device 10 is predetermined and limited.
  • a pressure device 30 with pressure cylinders 32 is provided.
  • bracing device 50 and the pressure device 30 Construction and operation of the bracing device 50 and the pressure device 30 are described below in connection with the FIGS. 2 to 6 explained in more detail.
  • the bracing device 50 with the two plate-shaped clamping elements 52 is mounted on an intermediate frame 60 with a sleeve-shaped base carriage 62.
  • the base carriage 62 with its rectangular open cross-section is mounted axially along a longitudinal axis of the base frame 12 on the box-shaped bearing portion 16 of the base frame 12.
  • the sleeve-shaped base carriage 62 engages fitting the rectangular bearing portion 16, as from the Figures 3 and 5 particularly clear.
  • the bracing device 50 has for substantially horizontal adjustment of the plate-shaped clamping elements 52 between a retracted rest position and one in the Figures 3 and 4 shown clamping position a plurality, preferably four, first actuating cylinder 54. These extend substantially horizontally through recesses on the base carriage 62 and the bearing portion 16 between the two clamping elements 52 and are hinged thereto. Thus, the respectively parallel and oppositely disposed clamping element 52 serves as an abutment for the other clamping element 52.
  • the horizontal first actuating cylinder 54 contact neither the base carriage 62 nor the bearing portion 16.
  • the recesses 17 in the bearing portion 16 are designed as vertically oriented slots that a vertical displacement of the protruding first actuating cylinder 54 is made possible.
  • the clamping elements 52 are each connected via two mutually parallel pivot lever 64 pivotally connected to the base carriage 62. Furthermore, each two clamping elements 52 each second actuating cylinder 56 are arranged, which are arranged in an inclined position to the horizontal. The second actuating cylinder 56 are each hinged to an eye of the clamping element 52 and an eye on base carriage 62. By operating the second actuating cylinder 56, an orientation of the plate-shaped clamping elements 52 can be adjusted in deviation from the vertical.
  • a pressure device 30 with two hydraulic pressure cylinders 32 per clamping element 52 is provided above the tensioning device 30.
  • the pressure cylinders 32 extend from an eye 53 at the upper end of the clamping elements 52 to a holder 18, which are firmly connected to the base frame 12 of the trench wall device 10.
  • the cylinder housings 34 of the pressure cylinders 32 are attached to the bracket 18 while the respective pistons 36 extend to the tension members 52.
  • the tensioning device 50 is shown in a tensioned state, whereby no additional pressure force is applied to the soil removal device 20 via the pressure device 30.
  • the pressure force applied by the pressure cylinders 32 adds to the weight force of the base frame 12, which is still present at the soil removal device 20.
  • a relatively high pressure force can be applied to the soil removal device 20, in particular to the cutting wheels 22.
  • the recesses 17 in the bearing section 16 are designed as vertically directed slots.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Earth Drilling (AREA)
EP17170545.2A 2017-05-11 2017-05-11 Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden Active EP3401444B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP17170545.2A EP3401444B1 (de) 2017-05-11 2017-05-11 Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden
SG10201803597WA SG10201803597WA (en) 2017-05-11 2018-04-30 Trench wall apparatus and method for creating a trench in the ground
US15/970,615 US10822767B2 (en) 2017-05-11 2018-05-03 Trench wall apparatus and method for creating a trench in the ground
CA3004009A CA3004009C (en) 2017-05-11 2018-05-04 Trench wall apparatus and method for creating a trench in the ground
CN201810448208.8A CN108867735A (zh) 2017-05-11 2018-05-11 用于在地面中产生槽的槽壁设备及方法
KR1020180054057A KR102003886B1 (ko) 2017-05-11 2018-05-11 트렌치 벽 장치 및 지면에 트렌치를 만들기 위한 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17170545.2A EP3401444B1 (de) 2017-05-11 2017-05-11 Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden

Publications (2)

Publication Number Publication Date
EP3401444A1 EP3401444A1 (de) 2018-11-14
EP3401444B1 true EP3401444B1 (de) 2019-11-27

Family

ID=58707335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17170545.2A Active EP3401444B1 (de) 2017-05-11 2017-05-11 Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden

Country Status (6)

Country Link
US (1) US10822767B2 (ko)
EP (1) EP3401444B1 (ko)
KR (1) KR102003886B1 (ko)
CN (1) CN108867735A (ko)
CA (1) CA3004009C (ko)
SG (1) SG10201803597WA (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4112816A1 (de) 2021-07-01 2023-01-04 BAUER Maschinen GmbH Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden
EP4198204A1 (de) 2021-12-15 2023-06-21 BAUER Maschinen GmbH Fräsvorrichtung und verfahren zum fräsen von boden
EP4279659A1 (de) 2022-05-18 2023-11-22 BAUER Maschinen GmbH Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden

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DE102019101305A1 (de) * 2019-01-18 2020-07-23 Liebherr-Werk Nenzing Gmbh Modulare Schlitzwandfräse
ES2911553T3 (es) * 2019-04-04 2022-05-19 Bauer Maschinen Gmbh Dispositivo de fresado de muros de pantalla y procedimiento para fresar una zanja de fresado en el suelo
ES2929747T3 (es) * 2019-04-18 2022-12-01 Bauer Maschinen Gmbh Cuchara de muro pantalla y procedimiento para practicar una zanja en el suelo
KR102192275B1 (ko) * 2019-07-09 2020-12-17 손재방 치수 가변 굴착용 월그래브
EP3798367B1 (de) * 2019-09-25 2022-03-09 BAUER Maschinen GmbH Schlitzwandgreifer, verfahren zum betrieb eines schlitzwandgreifers und tiefbauverfahren

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4112816A1 (de) 2021-07-01 2023-01-04 BAUER Maschinen GmbH Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden
WO2023274711A1 (de) 2021-07-01 2023-01-05 Bauer Maschinen Gmbh Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden
EP4198204A1 (de) 2021-12-15 2023-06-21 BAUER Maschinen GmbH Fräsvorrichtung und verfahren zum fräsen von boden
EP4279659A1 (de) 2022-05-18 2023-11-22 BAUER Maschinen GmbH Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden
WO2023222363A1 (de) 2022-05-18 2023-11-23 Bauer Maschinen Gmbh Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden

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KR20180124774A (ko) 2018-11-21
CA3004009A1 (en) 2018-11-11
US20180327996A1 (en) 2018-11-15
SG10201803597WA (en) 2018-12-28
CA3004009C (en) 2020-03-31
KR102003886B1 (ko) 2019-10-01
EP3401444A1 (de) 2018-11-14
CN108867735A (zh) 2018-11-23
US10822767B2 (en) 2020-11-03

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