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Matches 1 - 50 out of 12,001

Document Document Title
WO/2019/053722A1
A system for performing underwater earthworks, the system including a power pack situated outside the water, at least one submersible operating unit for performing underwater earthworks, wherein the operating unit is connected with the p...  
WO/2019/050394A1
The invention provides a subsea trencher (1) for arranging at least partly into the seabed a subsea pipeline (55) laying on the seabed, the subsea trencher comprising: • - at least one cart (5, 7) that separately carries at least one t...  
WO/2019/022581A1
The present invention relates to an apparatus for drilling a hole in the ground and a ground reinforcing method and, more specifically, to an improved hole drilling apparatus using screw casings and an earth anchor method using same, in ...  
WO/2019/020611A1
A trench cutting apparatus and method, the apparatus comprising a central support element comprising at least one jetting outlet and a cutting element configured to be driven around the central support element. The trench cutting apparat...  
WO/2019/010031A1
The liquid pump includes an inner and an outer tube. The inner tube can have a distal end that is positioned within an interior volume of the outer tube. A conical filter is on the distal end of the inner tube. A gas pump provides compre...  
WO/2019/002648A1
The invention relates to a system for cleaning heterogeneous sludge deposited in hydraulic installations, comprising a machine arrangement (2) mounted on a floating platform (8), which floats on the water in the hydraulic installation. S...  
WO/2019/006399A1
Certain exemplary embodiments can provide a system comprising a frame, which comprises an outer mast and an inner mast. The outer mast slides along the inner mast. A motor is coupled to the frame. A hydraulic system is coupled to the mot...  
WO/2018/233249A1
A combined sewage suction truck provided with a rotatable sewage suction pipe reel, comprising a truck frame body (1), a sewage tank (2) being provided on the truck frame body (1); a rotatable sewage suction pipe reel device (3) is provi...  
WO/2018/222079A1
The invention relates to the field of pipeline construction by a horizontally directed drilling method. A drilling head comprises a housing provided with a front large end having a thread for connection of a drilling blade, a rear large ...  
WO/2018/222079A8
The invention relates to the field of pipeline construction by a horizontally directed drilling method. A drilling head comprises a housing provided with a front large end having a thread for connection of a drilling blade, a rear large ...  
WO/2018/210159A1
Disclosed are a method and system for environmentally friendly dredging of a large reservoir and a lake. The method for environmentally friendly dredging comprises: on a water surface of a lake or a reservoir where sludge cleaning is imp...  
WO/2018/206002A1
Disclosed is a pile driver chain-type drill, comprising a chain rack (1a). The chain rack (1a) is provided with at least one chain-type carrier. The chain-type carrier is provided with several cutting teeth (3). An outer end of the cutti...  
WO/2018/203721A1
A directional drilling apparatus using a water hammer unit of the present invention comprises: a hammer unit including a hammer body which is provided with a bit unit for performing a drilling operation at an end thereof so as to be mova...  
WO/2018/188896A1
The invention relates to a method for ploughing cables (11a, 11b, 11c) into the ground, comprising the following steps: a) digging a trench (16) in the ground, b) simultaneously ploughing at least one first cable (11a) and at least one s...  
WO/2018/177308A1
A fabricated underground building interface (1) structure, using a convex-concave embedded structure. The interface (1) is composed of a protrusion (1-1) and a recess (1-2); the thickness of the thickest part of the protrusion (1-1) is g...  
WO/2018/177305A1
A groove pile (2) for a fabricated underground building. The fabricated underground building comprises walls (1) and groove piles (2); a concave-convex embedded structure comprising a protrusion and a groove is provided at a joint betwee...  
WO/2018/182110A1
The present invention relates to an operation time recording device and a hydraulic breaker comprising the same and, particularly, to: an operation time recording device which can record the operation time of a hydraulic breaker while ha...  
WO/2018/166522A1
A construction device (2) for a revetment (1), comprising a workboat (3), a connecting rack (4), a shore auxiliary support device (5), a lifting device (6), and a foundation construction device (7). The revetment (1) comprises walls (1-1...  
WO/2018/166521A1
A construction device (2) for a shore foundation (1), comprising a workboat (3), a connecting rack (4), a shore auxiliary support device (5), a lifting device (6), and a foundation construction device (7). The shore foundation (1) is a s...  
WO/2018/166518A1
A foundation construction device for use in a construction device of a foundation (4) provided with a chain cutters (3) at the bottom during construction, comprising a fixed guiding device (1) and a composite device (2). The fixed guidin...  
WO/2018/147491A1
Disclosed is a hydraulic breaker comprising: a cylinder having a plurality of hydraulic ports; a piston reciprocating inside the cylinder by means of a hydraulic pressure of a hydraulic fluid flowing in or discharged through the hydrauli...  
WO/2018/147490A1
A hydraulic breaker according to an embodiment of the present invention can comprise: a cylinder having a plurality of hydraulic ports; a piston reciprocating inside the cylinder by means of a hydraulic pressure of a hydraulic fluid flow...  
WO/2018/148599A1
A subsoil tool for ameliorating soil compaction having a shank (21) attached to a toolbar of a tractor, wings (63 A) on forward wing links (61 A) pivotally engaged to the shank (21), and following wings (73 A, 75A) on a wing rod (71) piv...  
WO/2018/147493A1
A breaker according to an embodiment of the present invention can comprise: a cylinder for accommodating a piston such that the piston reciprocates; a head cap disposed on the cylinder; a front head disposed below the cylinder and having...  
WO/2018/147492A1
A hydraulic breaker according to one embodiment of the present invention includes: a cylinder having a plurality of hydraulic ports; a piston for reciprocating in the cylinder by hydraulic pressure of hydraulic oil flowing in or out thro...  
WO/2018/143768A1
The present invention relates to a breaker for striking and thereby breaking an object to be struck. Disclosed is a breaker including: a cylinder in which a piston can be reciprocatively moved by a separate driving pump; a housing which ...  
WO/2018/133748A1
Disclosed are a construction ship for an underwater tunnel and a construction method therefor. The construction ship is composed of a rear section (1), a middle section (2) and a front section (3), the upper part of the construction ship...  
WO/2018/133737A1
Disclosed is a chain cutter used for excavating rock and soil, composed of multiple chains (1-1) and cutters (1-2) fixed on the chains (1-1), the central line of the chains (1-1) being a spatial curve. Adjacent returning cutters (1-2) on...  
WO/2018/133742A1
Disclosed is a groove cutting apparatus used for underground wall construction, composed of a machine frame (1), a travelling apparatus (2), and an excavating apparatus (3) located at the front. The machine frame (1) is composed of an in...  
WO/2018/133740A1
Disclosed are an underground building and a construction method for same, wherein a track (1-1) is provided at the base of a peripheral bearing wall (1) thereof. During construction, a rock and soil excavating chain cutter (3) is mounted...  
WO/2018/133711A1
Provided is a pier foundation. The bottom of a pier foundation (1) is provided with a track (1-1) for a chain excavating apparatus (2) to operate, the chain excavating apparatus (2) mainly being composed of a chain cutter (3) and a trans...  
WO/2018/133744A1
A working method for a trench-cutting device for underground construction, comprising the following steps: 1) setting up working platforms in working wells at two ends; 2) mounting the trench-cutting device so that the two ends of the tr...  
WO/2018/130788A1
The invention relates to a motorised vehicle (1) for recycling aggregates, which comprises a chassis (2) and an engine unit (3), and, mounted on the chassis (2), a device for collecting aggregates (7), a crushing chamber (9) supplied wit...  
WO/2018/132049A1
Micro trench sawing device (100) comprising a supporting frame (110); a saw blade holding means (120), holding a saw blade so that it is horizontally adjustable within a vertical adjustment plane (AP), between a forward (125) and a backw...  
WO/2018/117840A1
The invention relates to an excavation installation, comprising excavation means (1,2) in which more than one excavation means (1,2) is positioned offset next to another in a row (34,35) of excavation means (1,2). In use the excavation i...  
WO/2018/110767A1
The present invention relates to a two-stage automatic stroke hydraulic breaker with an improved structure, which can select one of two-stage strokes of a long stroke or a short stroke and automatically switch the stroke of a piston acco...  
WO/2018/104881A1
An apparatus (10) for land irrigation, especially agricultural land irrigation, designed to minimize the intervention of operators and to provide an easy setup. The irrigation apparatus (10) is autonomous and is capable of intervening se...  
WO/2018/088956A1
The invention relates to a stabilizing device (110) for a micro trenching laying device (100), which laying device (100) comprises a circular saw blade (102) arranged to saw a trench (20) into the ground (10), which stabilizing device (1...  
WO/2018/074735A1
Disclosed are a method for automatically replacing a casing and a drill pipe, and a drilling machine comprising the same. The drilling machine comprises: a frame unit having at least two elongated frames which are slidably coupled to eac...  
WO/2018/070613A1
A small-sized hydraulic hammer-type breaking apparatus according to the present invention can stably support a repulsive force generated by hydraulic breaker hammering while having a small size and a small weight, and can be thus efficie...  
WO/2018/056889A1
The invention relates to a machine (8) arranged for sawing micro trenches (1) and placing ducts/cables (2/3) in micro trenches (1), wherein said machine (8) comprises: - a saw blade (14) arranged for sawing a micro trench (1) in an area ...  
WO/2018/055543A1
A rotating tool for cutting microtrenches (1) comprising a disk-like rotatable body (2) having a central axis (X) and adapted to be secured to an arriver spindle of a digging machine or the like and a circular peripheral edge (3), at lea...  
WO/2018/052246A1
According to the present invention, a linearly movable vibration ripper is disclosed. The linearly movable vibration ripper comprises: a main body part; a coupling bracket, provided so as to be rotatable in the main body part, for the co...  
WO/2018/045404A1
The invention relates to a novel mobile device (100) for the underground laying of at least one flexible line, a cable, a cable-pulling empty pipe or fluid transport tube, in particular below the traffic routes or roads laterally next to...  
WO/2018/032801A1
Self-propelled sediment separating and collecting equipment comprising a traveling filter mechanism. The traveling filter mechanism comprises a circular left extremity plate (1) and a right extremity plate (2). The left extremity plate (...  
WO/2018/032547A1
A breaking hammer capable of hydraulically driving a flywheel to store energy. The breaking hammer comprises a flywheel (1), a hydraulic motor (2), a drill rod (13), a flywheel bump block (14), a flywheel rotating shaft (15), and a bump ...  
WO/2018/032545A1
A flywheel-driven breaking hammer having a stripping function. The breaking hammer comprises a flywheel (1), a hydraulic motor (2), a drill rod (13), a flywheel bump block (14), a flywheel rotating shaft (15), a bump hammer (17), a strip...  
WO/2018/032543A1
Provided is a breaking hammer having a polarized drill rod, comprising a polarization motor (3), a speed reducer (4), a polarization gear (6), a first drill rod (1), a second drill rod (7), a drill-rod straight sleeve (2), a drill-rod ex...  
WO/2018/032834A1
A smart dredging system for polluted sediment in a river, lake, or estuary, comprising: excavation equipment (10), used for dredging a river, lake, or estuary and extracting polluted sediment; pipeline transport equipment (20) comprising...  
WO/2018/021801A1
An intelligent hydraulic breaker according to an embodiment of the present invention comprises: a cylinder supplied with hydraulic pressure; a piston contained in the cylinder and moved forward or backward by the hydraulic pressure; a ch...  

Matches 1 - 50 out of 12,001