Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 11,873

Document Document Title
WO/2018/184110A1
Described are an apparatus and method for driving piles prior to lifting and stabilizing foundations that have subsided in unstable ground. A press head, comprising two non-slip arms actuated by a safety lever, is connected to an angle c...  
WO/2018/186691A1
The present invention provides a hydraulic jack expansion-type rotary insertion device, for a circular pipe, capable of smoothly rotating and inserting a circular pipe, which is made of plastic or concrete vulnerable to torsional shear f...  
WO/2018/172589A2
The present invention relates to an automatic device (1) for driving stakes (100), comprising: a housing (22), a receiving socket (2) forming a receiving cavity (4) for receiving the first striking end (102) of a stake (100), automatic d...  
WO/2018/166523A1
A deep-water foundation and construction device. The deep-water foundation comprises an upper foundation (1) and a lower foundation (2); the upper foundation (1) is hollow, and a guide device of the lower foundation (2) or a lower founda...  
WO/2018/169091A1
A pile press-in machine that receives reaction force from an existing pile to press in a new pile, includes: a reaction force block that grips the existing pile by a clamp to receive the reaction force; a platform that is horizontally mo...  
WO/2018/164347A1
The present invention relates to a drilling apparatus for constructing a jacket of marine equipment and a drilling method using the same, the apparatus having a crushed material storage unit for storing crushed materials generated during...  
WO/2018/165617A1
Soil displacement piles having a shaft and one or more soil displacement assemblies coupled to the shaft such that the one or more soil displacement assemblies are movable relative to the shaft are provided. Each soil displacement assemb...  
WO/2018/139851A1
A vibratory pile driver of the present invention comprises: an inner vibration body part having a hollow part into which a pile is inserted; a middle body part which surrounds the outer circumferential surface of the inner vibration body...  
WO/2018/115176A1
A foundation (1) for a structure such as an off-shore wind turbine. The foundation (1) comprises a body (4) having a lateral surface (8, 9) and a distal end (5) for insertion into a soil (2). At least a region of the lateral surface (8,9...  
WO/2018/106576A1
Apparatus for making foundation pilings includes a lead section with screw threads, at least one extension section, and a bit carried by the first of the extension sections. The bit slides onto the first, lower end of the extension secti...  
WO/2018/101733A1
The present invention relates to a pile guide structure for ground excavation and a pile installation construction method using the same and, more specifically, to a pile guide structure for ground excavation and a pile installation cons...  
WO/2018/091767A1
The invention relates to the driving cylinder (10) of a pile driving rig. In the driving cylinder according to the invention, the solenoid valve (33) controlling the operation of the driving cylinder is a slide valve (33) which is locate...  
WO/2018/088770A1
The present invention relates to an excavation bit capable of facilitating the installation of a steel pipe, and to an excavation steel pipe. The excavation bit comprises: a bit body formed elongated in the longitudinal direction so as t...  
WO/2018/076054A1
A screw pile comprising an elongate member and an anchoring member extending from the elongate member wherein one or more grooves are formed along a surface of the elongate member. The screw pile may also comprise one or more fins extend...  
WO/2018/054566A1
The invention relates to a method for working soil and to a corresponding agricultural device which has at least one rotary drive unit for rotating a soil working tool and at least one advancing unit, by means of which the soil working t...  
WO/2018/052286A1
The present invention relates to a pile driver, configured to drive a pile into an underwater bed, comprising a floatable body with a pile guide configured to guide said pile in a downward direction, and an actuator that is fixed to the ...  
WO/2018/030896A1
The present invention relates to a pile-driver, comprising: - a support member arranged or arrangeable in transverse direction at or on a pile; - a liquid chamber which is bounded on the underside by the support member and which further ...  
WO/2018/021641A1
The present invention relates to a hydraulic hammer and a construction apparatus comprising same, the hydraulic hammer comprising: a cylinder; a piston; a backward port connecting a front chamber of the cylinder to a hydraulic source; a ...  
WO/2018/021643A1
The present invention relates to a method for monitoring a hydraulic hammer, and a system performing same. A monitoring system, according to one aspect of the present invention, comprises a hammer and a monitoring device. The hammer comp...  
WO/2018/021642A1
The present invention relates to a hydraulic hammer and a construction apparatus comprising same, the hydraulic hammer comprising: a cylinder; a piston; a backward port connecting a front chamber of the cylinder to a hydraulic source; a ...  
WO/2018/013742A1
A grounding system includes an electrical connection device and a ground rod is provided. The electrical connection device includes a ground rod driver, such as a coupler, capable of being connected to the ground rod, and a conductor cab...  
WO/2018/011706A1
This disclosure relates to a pile-driving vehicle (1), comprising a chassis (11), a movement system (15) for moving the vehicle (1) on a soil, a first driving apparatus (21) and a second driving apparatus (22). Each driving apparatus (21...  
WO/2018/007236A1
A foundation drilling machine (100) comprises: a base (1) revolvingly mounted on an undercarriage (2), a rotation system (7) that allows the base to rotate with respect to the undercarriage, a tool (50) intended to work the ground, an ar...  
WO/2018/000879A1
A steel pipe prestressed cast-in-place stabilizing sealed pile device comprises an underpinning beam or pile cap (3), a sealed pile hole (2), a steel-pipe pile (1) and a pile cover (8), wherein the steel-pipe pile (1) is installed in the...  
WO/2018/002616A1
A double-acting hydraulic impact hammer for pile driving, comprising a drop weight (36) and an inner hydraulic piston(44), the drop weight (36) being mechanically coupled to the inner piston (44) and being arranged to be driven in use, i...  
WO/2018/000409A1
A pile top-supported walking type moving pile-driving platform, comprising a pile top pushing and positioning device provided at the top of a steel pipe pile (102). A bearing platform (107) is provided on the pile top pushing and positio...  
WO/2017/215714A1
The invention relates to a device for a striking tool for power transmission, in particular pulse transmission, on an external body, in particular on a sheet pile wall or a pile.  
WO/2017/204675A1
The invention relates to a vibratory pile driver with an adjustable distance between the shafts of eccentric masses, which is intended for driving in or extracting elements from slightly hard and medium hard ground. The present vibratory...  
WO/2017/183962A1
The invention relates to a vibrating system for installing a foundation element in the ground or decommissioning it therefrom, and method therefor. The vibrating system according to the invention comprises: a vibrating device; a drive op...  
WO/2017/174859A1
The invention relates to a jib boom (28) comprising a boom part (29) and a fastening part (30) for fastening the jib boom (28) to the leader (17) of a pile driving rig (10), in which jib boom (28) the fastening part (30) comprises a rota...  
WO/2017/174861A1
The invention relates to a method for controlling the driving engine (M) and hydraulic pumps (PUMP1, PUMP2) of a hydraulic machine (10), the method comprising: - driving at least one hydraulic variable displacement pump (PUMP1, PUMP2) th...  
WO/2017/174880A1
The invention relates to a leader (17) for a pile driving machine (10), the leader (17) comprising a lower slide (19) in the pile driving machine (10), and a telescopic leader (20), and an implement fastening device (22) fastened to be m...  
WO/2017/174862A1
The invention relates to a method, a system, and software for controlling the motors of a pull-down winch and a wind-up winch of a pile driving rig. In the method for controlling motors of winches in a pile driving rig, a slide is movabl...  
WO/2017/174863A1
The invention relates to a leader for a pile driving rig (10), the leader (17) being formed of a hollow box section beam with a primarily H-shaped cross-section, having a front wall (30) with guide tracks (23) for an implement movable al...  
WO/2017/171381A1
The present invention relates to a vibrating pile driver, which: simply maintains the position of a pile (P) by utilizing the lifting of a horizontal shaft (90) relative to a circular hole (75a) when the pile (P) is pressed and inserted ...  
WO/2017/171673A1
This invention is related to a system (1) and method (100) for running variable motor with transmission oil that enables running a variable motor (2) as a closed loop conduit with the transmission (3) oil used in the lubrication of the t...  
WO/2017/164740A1
The invention relates to a vibrating system for inserting a foundation element into the ground and a method whereby the drive force of the vibrating system can be varied. The vibrating system according to the invention comprises: a vibra...  
WO/2017/163037A1
A power tool (30) comprising a tool carrier (34) for mounting an impact tool (36). The tool carrier has a base member (38) aligned with an operational axis. The base member has a head end (40) for receiving impact energy, a foot end (42)...  
WO/2017/147089A1
Disclosed herein are a module, system and technique to enhance end bearing stiffness of pile/drilled shafts. In particular, methods, systems and loading modules which account for tip resistance in overall pile/shaft capacity are provided...  
WO/2017/146428A1
The present invention relates to a preloading apparatus for a large steel pipe strut for facilitating the installation and disassembly of a large steel pipe strut by using a mechanical screw jack and a hydraulic cylinder. The preloading ...  
WO/2017/140956A1
A drilling apparatus for drilling a hole into the ground/rock, whereby a protective pipe (5) is placed, in connection with drilling, in the drilled hole on at least the portion of ground drilling, which is either left in the hole as a pr...  
WO/2017/136013A1
Soil displacement piles having a shaft and one or more soil displacement assemblies secured to the shaft are provided. If more than one soil displacement assembly is utilized, each soil displacement assembly is separated by a longitudina...  
WO/2017/127954A1
Disclosed is a pile driver, comprising a pile driver platform (1). The pile driver platform (1) is connected to a platform movement driving mechanism (8) which can drive the pile driver platform (1) to transversely or longitudinally move...  
WO/2017/116001A1
The present invention relates to a head-enhanced drill bit for improving durability by enhancing a head, and can comprise: a bit body having a tip excavating surface formed on a front end thereof; and a forward and backward moving body a...  
WO/2017/083903A1
A formwork support fin peg (14) comprises an elongated steel peg body (11) having a pointed lower end (11a), two triangular fins (12) made from steel plate welded to opposing sides of the body (11) about halfway along its length, and the...  
WO/2017/082658A1
The present invention relates to a driven steel pipe pile which can penetrate a remaining slime layer by using a driving shoe having a cross-section having a wide-topped and narrow-bottomed shape connecting the main frame of a steel pipe...  
WO/2017/079554A1
The present disclosure provides helical ground anchors or piles designed to cut through rock. The helical ground anchors have a shaft, one or more helical plates attached to the shaft and at least one cutting tip attached to the distal e...  
WO/2017/066833A1
A compact, integrated, multifunctional, in a manner of speaking, 'Swiss army knife'-style implement with specially adapted hydraulically powered fixtures for deploying a plurality of modified hydraulic tools for installing posts; the imp...  
WO/2017/057805A1
The present invention relates to a driven concrete pile having an open bottom and a construction method thereof in which a lower member of a point bearing part located on the lower end of a concrete pile main body has a short tubular sha...  
WO/2017/057804A1
The present invention relates to a driven concrete pile having an open bottom and a construction method thereof in which a point bearing part on the lower end of a concrete pile main body is driven into the in-situ ground via a residual ...  

Matches 1 - 50 out of 11,873