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WO/1998/030758A2 |
Disclosed is a machine for uncovering a pipeline, comprising a crawler-mounted underframe (1), on which is mounted working machinery (2) including a frame (3) with a device (4) for clearing away earth, and an operating element (5), as we...
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WO/1998/027286A1 |
There is disclosed an improved underwater excavation apparatus (300a, b, c). Known apparatus suffer from a number of problems, e.g., efficiency and control of movement. Accordingly, the invention provides an underwater excavation apparat...
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WO/1998/015165A2 |
The present invention relates to mining industry and mining works. The inventinve machine for digging under pipes, wherein said machine comprises a frame (1) having a caterpillar drive traction device (3) mounted thereon as well as left ...
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WO/1998/014283A1 |
An apparatus for building a horizontal underground barrier (21) by cutting through the soil (17) and depositing a slurry (4). The apparatus includes a digging means for cutting and removing soil (17) to create a void (41) under the surfa...
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WO/1998/011305A1 |
An automatic excavator adapted to automatically carry out a series of processes for excavating object earth, and loading an object container with the resultant excavation, provided with a measuring instrument for determining distances be...
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WO/1998/004783A1 |
A self-propelled surplus soil regenerating vehicle of a compact construction capable of subjecting the surplus soil, which occurs during construction work, to a regeneration treatment on a site so that the soil can be recycled, and havin...
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WO/1997/049871A1 |
The invention discloses a draining wall consisting of a plurality of elementary panels (P) filled with a filtering material (10), characterised in that the said panels are separated from one another by intermediate elements (J) and in th...
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WO/1997/048860A1 |
A digging machine has a housing (10) mounted on a base (22). To the base (22) are mounted two independently operated drive means (114). An engine (24) located within the housing (10) provides power to the drive means (114) as well as an ...
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WO/1997/048917A1 |
A hydraulic power unit (10) for supplying hydraulic fluid under pressure to auxiliary hydraulic equipment associated with a vehicle and to ancillary appliances. The hydraulic power unit includes a frame (20) which is adapted to be mounte...
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WO/1997/046765A1 |
Apparatus for locally disturbing an underwater bed to enable the burial of an elongate member (39) comprises a mounting (30, 31), resilient means (88-93) such as brush filaments coupled to the mounting, and means (9) for moving the resil...
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WO/1997/044534A1 |
A trench digging saw comprises a circular saw blade (50) for being driven about a first axis A. A housing (40) is provided for enclosing an upper part of the blade, with a lower part of the blade protruding from a first opening in the ho...
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WO/1997/041971A1 |
A self-propelled material-processing apparatus (10) comprising a chassis (12), an engine (13) mounted on the chassis near the forward end thereof, endless tracks (14) permanently supporting the chassis (12) and power-operated by the engi...
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WO/1997/041313A1 |
In a method for backfilling pipe (2), cable or other structures placed in a ditch (1) and surrounded by a padding material (4), a geotextile material (8) is placed over the padding material (4) and then spoil (6) is backfilled into the d...
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WO/1997/032091A1 |
A dredging apparatus comprising a body (11) mounting thrust means (23, 24) to direct, in use, a wash of water downwards towards an area of sea bed or the like, connection means (12, 13) to connect said dredging apparatus to a support mea...
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WO/1997/030576A1 |
Furrow-forming and earthworking equipment for inclined grounds comprising two implements incorporated respectively at the front and at the back of a carrier tractor (3), the front implement consisting of a structural frame (1) at the fro...
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WO/1997/025519A1 |
An apparatus and method for locating an underground boring tool using a radar-like probe and detection technique. A boring tool is provided with a device which generates a specific signature signal in response to a probe signal transmitt...
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WO/1997/025489A1 |
A construction machine for remarkably improving the operating efficiency by expanding the operating range of a working machine and enabling work of a high level to be performed in which two types of working machines are made to operate i...
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WO/1997/025486A1 |
The present invention relates to a method of disintegrating and mixing soil, and an apparatus therefor, by which soil in soft ground and a soil improving agent can be efficiently disintegrated and mixed with each other to provide an impr...
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WO/1997/021877A1 |
Method and device for laying inclined continuous walls (R1, R2) under the ground by mounting a chain type cutter (2) having a digging blade on a running truck (1) in an inclined fashion, digging inclined continuous grooves (G1, G2) by la...
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WO/1997/016605A2 |
The process and apparatus are characterized by a kinematic, rotatively mounted, bladed or lunated earth-working tool of slight depth, greater width and great length overall, termed an "earth cutter", which penetrates the ground verticall...
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WO/1997/016606A1 |
An apparatus (10) for cutting an excavation in solid material is disclosed. The apparatus (10) includes two cutting wheels (15, 16) for cutting an excavation in the material, support means (11-14, 17-42) supporting the cutting wheels (15...
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WO/1997/015734A1 |
A backhoe operated bucket (10) is provided with an opening containing a screen frame opposite its scraper blade, with a loading opening for separating coarse material contained in the soil excavated from a pipeline ditch (16), and deposi...
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WO/1997/008394A1 |
A vertical trencher (10) attachable to a moving platform carrying a power source for excavating rock and soil to form a trench (34), the apparatus having a cutter body including at least one helical ridge (14) attached to, and extending ...
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WO/1997/008395A1 |
In order to improve the durability of a tooth edge of an excavator and thereby an excavation efficiency thereof as well, a penetration force control unit (70) controls a hydraulic winch HWD so that a detected penetration force attains a ...
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WO/1997/004181A1 |
A method for the penetration of a body (8), having a leading edge (21) and an inclined ground contacting surface (C, D, E) extending upwardly therefrom, into a porous ground material, the pores of the ground material being at least parti...
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WO/1997/004182A1 |
In essence, the proposed method involves pushing ground material aside radially to form an expanded bore hole (4). Hard material (1) in the ground is broken up by the hydrodynamic action of the liquid streams (2) along the projected axis...
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WO/1997/004183A1 |
A method of padding a trench (12) includes the steps of automatically gathering at least a portion of spoil (74) with a padding machine (10) from the berm (8) of a trench (12), automatically pulverizing at least part of the spoil (74) to...
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WO/1997/000389A1 |
A data acquisition and control system and process for characterizing the subsurface geology of an excavation site, and for utilizing acquired data to optimize the production performance of a machine an earth penetrating member. A geologi...
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WO/1996/038636A1 |
A mortarless wall of a building structure has a plurality of blocks (1) arranged in successive overlapping courses. Each of the blocks (1) has a top (5), bottom (7), front (9) and rear (11) face disposed between opposed side ends (2, 3)....
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WO/1996/024727A1 |
A device for creating a local water flow or water jet in a body of water, in such a way that bed material from the bed below said body of water can be displaced, comprises a jet pipe (301), a screw (302) disposed rotatably in the jet pip...
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WO/1996/014553A1 |
A device for recovering explosive objects buried in the ground, such as mines, grenades or bombs, has a travelling device upon which is arranged a digging device. The digging device (52) is arranged at the front of the travelling device ...
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WO/1996/011305A1 |
A method and apparatus for controlling a trencher (15) having a tractor (16) that is propelled along terrain (T) and a trenching implement (18) adjustably mounted to the tractor (16) at a rearward portion thereof with respect to movement...
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WO/1996/006232A1 |
An agricultural type tractor (1) for the direct laying underground of flexible pipes or cables (23) wherein the tractor three point linkage (4, 5, 6, 7) supports a shaker/vibrator member (17) on a support member (8), said support member ...
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WO/1996/004500A1 |
An anode cable installment system in which the apparatus may comprise a plow (30) for creating a tunnel; a conduit (38) for delivering a linear anode (16) to the tunnel; and a chute (34) disposed proximate the conduit (38), the chute (34...
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WO/1995/032121A1 |
Two cylindrical shaped buoyant bodies support a horizontal frame. An unloading room for an underwater excavator is fixed underneath to this frame. A central lower floor is framed to this unloading room for the underwater excavator with v...
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WO/1995/028076A1 |
A soil working device (1) is disclosed with a travelling unit on which is mounted a chain cutter (30a). The chain cutter (30a) is connected to the travelling unit (3) via a four-bar linkage (10) with which a first actuating device (18) f...
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WO/1995/028529A1 |
Apparatus for burying a pipeline. It is proposed to bury a pipeline (4) by first laying the pipeline (4) and then moving dredging means along the pipeline (4). Said dredging means are guided by the pipeline, so that only a limited sectio...
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WO/1995/027832A1 |
In a method for treating the bed of a body of water by means of a directed water jet, which water jet is moved over the bed (5) in accordance with an elongated path, the water is pumped under pressure on board a vessel (1) and then disch...
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WO/1995/026445A1 |
Multifunction auxiliary tool comprised of a levelling blade (1) with vibrating shoes (11) for making road embankments and providing other types of fine grading. The tool is designed to be combined with various units such as adjustable fl...
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WO/1995/021303A1 |
A method for dredging using a hopper suction dredger comprises sucking up the material for dredging with the aid of the suction installation of the hopper suction dredger, feeding the sucked-up dredged material to at least the well of an...
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WO/1995/020076A1 |
A trenching plough, suitable for forming a trench in two or more successive passes, comprises a share (10, 11; 41; 61; 71) for cutting and lifting the soil, a ground-based share support means (12; 43; 62; 72) mounted forward of the share...
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WO/1995/018895A1 |
A device for filling a ditch in the sea bed to cover a pipe placed therein, including two nozzle assemblies (6, 7) closely spaced from the sea bed on either side of a trench (1) dug therein. The nozzles are pointed at the sea bed and sai...
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WO/1995/015418A1 |
The invention provides for renovation of railroad track installations through the use of a sliding shield driver (9) which in the work area secures the trench (6) formed by the removal of the old track foundation and, as the renovation w...
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WO/1995/013433A1 |
The present invention provides for excavating apparatus (10) which can comprise a vehicle (12) having excavating means in the form of a pivotal cutting boom (16) pivotably mounted by way of mounting means (20) on the vehicle (12). The cu...
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WO/1995/012040A1 |
Drilling apparatus which comprises a frame operating as an underlay having in the drilling direction mounted guide tracks (4), a rotating and pushing unit which is moved on said guide tracks in the drilling direction and in which unit th...
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WO/1994/028256A1 |
An excavation head (26), mounted on one end of a telescoping hollow boom (28), has nozzles (162) for directing jets of high speed air at an excavation face to loosen soil. A vacuum transport pipe (28) extends from the excavation head (26...
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WO/1994/025191A1 |
Contaminated material such as soil or sludge is remediated by injecting a suitable remediation fluid into the material during excavation of the contaminated material with a trenching tool. The remediation fluid is injected into the conta...
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WO/1994/024377A1 |
A method comprising the steps of using a self-propelled cable-burying tractor (1) remotely controlled via a flexible control umbilical (2) and provided with at least one drum (6) for a flexible cable (7), controlling said cable-burying t...
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WO/1994/024414A1 |
In order to draw-in underground collector mains, in particular to build horizontal filtering wells and drainage pipes, at least one bore (1) with an inlet (3) and an outlet (4) is made in predetermined soil layers. A filtering column dra...
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WO/1994/021864A1 |
A process for the precise maintenance of the vertical excavation direction using a hydraulic clamshell together with an excavator with an outer guide (11) and an inner body (10) accepting the clamshell is improved and made substantially ...
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