| Patent Number |
Title Of Patent |
Date Issued |
| 7367143 |
Cutter and method for working the soil |
May 6, 2008 |
| A cutter for working the soil includes a cutting frame, at least two cutting wheels that are supported on the cutting frame in a rotatably drivable manner about parallel axes of rotation, and an adjusting device, The adjusting device functions to adjust the center distance between the |
| 7363990 |
Cutting device and method for producing a cut hole |
April 29, 2008 |
| A cutting device for sinking a cut hole in the ground, having a support on which are mounted in rotary manner about in each case one cutting wheel rotation axis at least two cutting wheels, at least one cutting wheel drive mechanism for the rotary driving of the cutting wheels on the |
| 7363734 |
Lubricated trench wall cutter with remote lubricant inlet port |
April 29, 2008 |
| The invention relates to a trench wall cutter comprising a bearing shield, on which at least one cutting wheel is supported in a rotatable manner. Between the cutting wheel and the bearing shield at least one sealing member is provided. For the lubrication of the sealing member a lub |
| 7363733 |
Device and method for making a trench wall in the soil |
April 29, 2008 |
| The invention relates to a device for making a trench wall in the soil comprising a frame, at least one lower cutting/mixing wheel arranged at the bottom of the frame, at least one further, upper cutting/mixing wheel arranged at the top of the frame, wherein the frame is designed in an |
| 7356948 |
Cutting wheel for a trench wall cutter |
April 15, 2008 |
| The invention relates to a cutting wheel for trench wall cutter, having a cutting wheel hub and at least one cutting tooth holder, which is located in substantially radially projecting manner on the cutting wheel hub. The cutting wheel according to the invention is characterized in that |
| 7356947 |
Method for making a trench wall in the ground, trench wall cutter, and trench wall cutting devic |
April 15, 2008 |
| The invention relates to a method for making a trench wall in the ground, in which at least one cutting wheel located on a trench wall cutter is given a rotary movement by a drive, the trench wall cutter is lowered into the ground and soil material below the cutting wheel is stripped and |
| 7306405 |
Boring appliance |
December 11, 2007 |
| The invention relates to a boring appliance for producing a concrete element in the ground with a vehicle on which are located a tower, a concrete pump and a boring tool, which is installed for introduction in the ground at the tower. By means of a concrete pump and a delivery line c |
| 7278228 |
Hinged tooth |
October 9, 2007 |
| The invention relates to a hinged tooth for a cutting wheel comprising a pivot bearing for pivotally supporting on a pivot pin located on a cutting wheel hub, a cutting tooth support extending from the pivot bearing and a steering arm extending from the pivot bearing substantially in |
| 7264066 |
Drilling apparatus and method for introducing a drilling element into the soil |
September 4, 2007 |
| The invention relates to a drilling apparatus and a method for introducing a drilling element into the soil comprising a drive, which is supported on a mast for introducing the drilling element, and a collet turning device having a collet which can be turned by means of at least one |
| 7234538 |
Method for sinking a borehole in the ground and wet boring tool |
June 26, 2007 |
| The invention relates to a method for sinking a borehole in the ground, in which a wet boring tool with a removal area for producing or advancing a borehole is used, the borehole is at least partly filled with a fluid and in the borehole is formed a filling area and the removal area is a |
| 7228920 |
Drilling apparatus and method for introducing a drilling element into the soil |
June 12, 2007 |
| The invention relates to a drilling apparatus and a method for introducing a drilling element into the soil. The drilling element is rotatably and slidably supported on a mast, with a torque being applied through a rotary drive located on the mast. In order to support the torque an a |
| 7178273 |
Cutting device for cutting trenches in the ground |
February 20, 2007 |
| A cutting device for cutting trenches in the ground having at least one cutting wheel drivable in rotary manner and at least one first cutting element, located on the cutting wheel, for removing soil material during a rotation of the cutting wheel in one rotation direction. On said c |
| 7175368 |
Method and test setup for determining the bearing behaviour of displacement piles |
February 13, 2007 |
| The invention relates to a method and a test setup for determining the bearing behaviour of displacement piles. The displacement piles are produced by making a hole using a displacement head and subsequently filling the hole with a hardenable suspension, whilst leaving the displaceme |
| 7163069 |
Telescopable boring rod mechanism |
January 16, 2007 |
| The invention relates to a telescopable boring rod mechanism with at least two mutually displaceable Kelly rods, which are equipped with means for transmitting a torque to the adjacent Kelly rod. At least one of the Kelly rods is constructed from at least two rod segments, which are made |
| 7152346 |
Method for making a trench wall in the ground, trench wall cutter and trench wall cutting device |
December 26, 2006 |
| The invention relates to a method for making a trench wall in the ground, in which at least one cutting wheel located on a trench wall cutter is given a rotary movement by a drive, the trench wall cutter is lowered into the ground and soil material below the cutting wheel is stripped and |
| 7134511 |
Soil working method and device |
November 14, 2006 |
| A soil working method and device, in which a drilling rod, to which is fitted at least one drilling tool, is rotated about a rotation axis with a speed using a rotary drive. The drilling rod is simultaneously lowered into a soil area in the direction of the rotation axis using a feed dri |
| 7080826 |
Winch for a construction machine |
July 25, 2006 |
| The invention relates to a winch for a construction machine having a cable drum for receiving a cable and a winch support on which the cable drum is mounted in rotary manner about a rotation axis. The cable drum is swivellably mounted about a swivel axis with respect to the winch support |
| 7032887 |
Cable winch arrangement and method for the operation thereof |
April 25, 2006 |
| The invention relates to a cable winch arrangement with a cable winch, a winch drive and a control device, as well as to a method for the operation thereof. The control device makes it possible to connect in a first operating mode for raising and lowering and a second operating mode |
| 6994494 |
Device for producing bored piles |
February 7, 2006 |
| Device for producing bored piles having an auger, which along at least part of the auger length is surrounded by a rotating encasing tube and during boring the encasing tube is rotated in or counter to the rotation direction of the auger and in which the auger and the encasing tube are |
| 6880453 |
Displacement device |
April 19, 2005 |
| The invention relates to a displacement device, particularly for construction machines, having a guide, a carriage, which is displaceably mounted along the guide, and an operating cylinder for displacing the carriage. According to the invention, for increasing the buckling resistance |
| 6851494 |
Crawler running gear |
February 8, 2005 |
| The invention relates to a crawler running gear, particularly for a construction machine. A mid-section and two crawler supports with in each case a crawler chain are provided. The crawler supports are located along a longitudinal direction on both longitudinal sides of the mid-section a |
| 6814167 |
Boring device and boring method |
November 9, 2004 |
| A boring device for producing a bore with a casing tube has a linkage, a boring tool, which can be fixed to the lower end of the linkage, a mounting frame for mounting on the casing tube, a drive and a connecting device, which is used for producing a rotary connection between the casing |
| 6796391 |
Hydraulic clamping device for a variable gauge track vehicle |
September 28, 2004 |
| A crawler running gear, particularly for a construction machine, having a central section and two crawler supports with in each case one crawler track. The crawler supports are arranged along a longitudinal direction on both longitudinal sides of the central section and are fixed to cros |
| 6540443 |
Apparatus for and a method of boring the ground |
April 1, 2003 |
| A ground-boring apparatus for boring the ground within a casing tube, which is driven into the ground by a casing tube pusher machine to prevent the surrounding soil from collapsing into a to be formed hole. The soil removed by an extensible kelly bar to be suspended by a movable crane, |
