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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8157478 | Rod pushing and pulling machine The invention relates to an improved rod pushing and pulling machine suited for use in underground pipe bursting and replacement with a rod string wherein each rod has at least one radially enlarged upset thereon. The machine includes a housing or frame having a fro... | 04/17/2012 |
| 8113741 | Boring machine with conveyor system for cuttings and method for boring therewith A boring machine includes a cutter head, an internal casing and an auger that is located within the internal casing. The cutter head and the auger are operationally connected to a rotational mechanism. A rear bulkhead is located at the rear end of the auger, and a r... | 02/14/2012 |
| 7985037 | Method of and apparatus for pulling a pipe A method of and apparatus for pulling pipe involves providing a pipe having an exterior surface with a groove circumscribing the exterior surface of the pipe adjacent to one end and an anchoring collar which is segmented into segments and has an inner circumferentia... | 07/26/2011 |
| 7976243 | Methods and apparatus for installing conduit underground Apparatus and methods for forming an underground passageway and simultaneously laying therein a conduit or other elongate components comprises a rotary drill member coupled to a rotary and axially movable drill stem. The coupling is one which virtually automatically... | 07/12/2011 |
| 7963722 | Method for the trenchless laying of pipes In a method for the trenchless laying of pipes, a drilling operation (5) is firstly carried out by means of controlled heading from a starting point (1) to a finishing point (6). Then the drilling head (3) is disconnected from the heading... | 06/21/2011 |
| 7942609 | Method and device for trenchless pipe laying A method for trenchless pipe laying, a pipeline is constructed form a starting point to a goal point undercrossing an obstacle wherein the constructing of a bore hole and laying the prefabricated pipeline, which is constructed in one piece on the surface, are done i... | 05/17/2011 |
| 7909539 | Rod pulling and pushing machine for pipe bursting A rod pushing and pulling machine includes at least one hydraulic cylinder having a front end thereof engagable with a reaction surface at an entry opening of a existing pipeline or borehole, a spindle assembly, and a dual vise assembly. The spindle assembly include... | 03/22/2011 |
| 7731453 | Method and device for trenchless laying of pipelines Described is a method for the trenchless underground laying of pipes. According to said method, a shield tunnel boring machine and then subsequently pipes are driven through the ground starting from a starting shaft. The shield tunnel boring machine produces a boreh... | 06/08/2010 |
| 7654774 | Pipe pulling method and device A method for pulling pipe using a device that is rectangular in shape and is connected at one end thereof to a pulling vehicle so that pulling force from the pulling vehicle is directed along the longitudinal axis of the puller and which has two pipe connecting hole... | 02/02/2010 |
| 7427178 | Tool and method for installation of electrical conduit A tool for use in the installation of electrical conduit. The tool consists of a probe having a tapered end, an anvil end and a central body. Pipe is slid over the central body forming a pipe and probe assembly which can be installed in soil traversing beneath an im... | 09/23/2008 |
| 7374368 | Method and apparatus for slip-lining An apparatus for slip-lining a pipeline with plastic pipe including a slip-line cable having four sections—a forward navigation section, an intermediate locking section connected to a back end of the forward navigation section, a rearward drive section connected t... | 05/20/2008 |
| 7367748 | Method of installing tracer wire with pipeline utilizing horizontal directional drilling A method of installing a non metallic pipeline segment along with a tracer wire segment using a horizontal directional drilling process includes positioning a horizontal directional drilling machine in a selected position on one side of the obstacle. A drill bit is ... | 05/06/2008 |
| 7361835 | Toneable conduit and method of preparing same The present invention is a toneable conduit that can transmit a signal and that can therefore be readily detected by toning equipment. In addition, the conduit of the invention can be readily coupled with other conduit to provide extended lengths of conduit. The ton... | 04/22/2008 |
| 7353889 | Rotary driven pipe-bursting tool An apparatus for bursting pipe is preferably adapted to receive rotational energy from the inner member of a dual-member drill string. In a preferred embodiment, a plurality of pipe-bursting members, driven by the interconnected inner members, cut or burst a subterr... | 04/08/2008 |
| 7350584 | Formed tubulars A method of lining a drilled bore comprises running a tubular into a drilled bore and then corrugating the tubular in the bore. The tubular may also be expanded in the bore. In other aspects of the invention the tubular is corrugated prior to running into the bore a... | 04/01/2008 |
| 7351009 | Fiber optic installation structures in a paved surface, ducts, and methods therefor A fiber optic installation structure and method therefor includes a duct having an inner tube, at least one optical waveguide, and a jacket and is disposed within a channel of a paved surface. The jacket generally surrounds the inner tube. When the duct is disposed ... | 04/01/2008 |
| 7347282 | Steerable soil penetration system A steerable soil penetration system having a steerable penetration head, which compacts and does not cut away the surrounding soil and which is connected to an elongate flexible tubing such that the orientation of the penetration head can be varied relative to the t... | 03/25/2008 |
| 7341404 | Dual capstan puller and method A puller is provided with a number of advantages. Pullers are described that have a high power to weight ratio, and a high power to volume ratio. Examples of pullers and pulling systems include harmonic drive gear reduction elements and configurations that provide h... | 03/11/2008 |
| 7337859 | Method and device for drilling a channel In a drilling method for creating a channel leading from surrounding soil into a shaft which is separated from the soil by a wall, a channel is drilled through the soil from a starting pit in the direction of the shaft using a first drill head. The first drill head ... | 03/04/2008 |
| 7294947 | Apparatus for transferring torque magnetically An apparatus for transferring torque magnetically with a primary rotary member and a secondary rotary member. The primary rotary member has permanent magnets, the secondary rotary member with electro-conductive materials. The secondary rotary member also having magn... | 11/13/2007 |
| 7284615 | Method and system for installing and maintaining a pipeline while minimizing associated ground disturbance A pipeline installation and maintenance method and system is disclosed in which a number of interconnectible platform modules are assembled into drilling platforms from which a segmented pipeline route is flexibly installed. Using modified push/pull rigs to carry ou... | 10/23/2007 |
| 7279052 | Method for hydrate plug removal A method for removal of deposits such as hydrate plugs from a pipeline is provided including inserting a thruster pig connected to a return flow line into the pipeline The pig is then advanced forward into the pipeline by pumping a thrusting fluid into an annulus be... | 10/09/2007 |
| 7275892 | Tool and method for installation of water pipe A tool used for installing water systems. The tool consists of a probe having a central body, a tapered end, and an anvil end. Pipe is slid over the central body forming a pipe and probe assembly which can be installed in soil traversing beneath an immovable structu... | 10/02/2007 |
| 7270500 | Method for installing an underground water pipe A method for installing water pipe beneath nonmoving objects with a presence in the earth with a tool for installing water pipe made of a central body, a ring encircling the central body, a tapered end, an anvil end, and a ring. The method further comprises selectin... | 09/18/2007 |
| 7267506 | Tool for installing an underground water pipe A tool for installing water pipe made of a central body, a ring encircling the central body, a tapered end, and an anvil end. Water pipe slides over the tapered end, over the ring and is stopped by the anvil in for impact installation in soil enabling water pipe to ... | 09/11/2007 |
| 7261493 | Device and method for laying and joining pipe A pipe installation device and a method for laying consecutive lengths of bell and spigot pipe. The pipe installation device installs sequential pipe lengths. The pipe installation device includes a pipe supply system and a pipe alignment system attached to a carria... | 08/28/2007 |
| 7255516 | Method and apparatus for replacement of underground pipe An impactor for use with a directional boring machine for replacement of underground pipes includes a bursting head having a rearwardly opening recess and a front end opening that communicates with the recess. An inlet pipe is connected at its front end to a distal ... | 08/14/2007 |
| 7246669 | Sod cutting device A sod cutting device containing aspects of the present invention contains an angled blade having a vertical cutting edge and a horizontal cutting edge. The angled blade is secured to a body member that in turn is movably affixed to a vehicle. Such a device may be us... | 07/24/2007 |
| 7225881 | Passive logging sonde auger tool The auger is attached to a spiral gear and a spring, the apparatus then being connected to the downhole, leading end of the logging sonde. When the auger nose of the modified sonde assembly strikes any of various obstructions on the sidewall that cause it to lose mo... | 06/05/2007 |
| 7226246 | Apparatus and method for building support piers from one or successive lifts formed in a soil matrix An apparatus and method for forming a support pier having a single or multiple compacted aggregate lifts in a soil matrix, wherein the apparatus includes a vertical, hollow tube with a bulbous leading end or head element that is forced into the soil matrix. The holl... | 06/05/2007 |
| 7219750 | Process and system for drilling and lining a bore hole An apparatus is provided for the drilling of a borehole and its simultaneous lining with cement or the like by the same apparatus. The apparatus comprises a combination spray head and reamer head, a means to drive the reamer head through a borehole and a means for d... | 05/22/2007 |
| 7217065 | Modular pipe breaking assembly and method A pipe breaking assembly is shown with a modular design that allows a user to more economically purchase a single base unit that is adaptable using a number of elements. Combinations of elements such as blade portions and expander cones, etc. allow the modular assem... | 05/15/2007 |
| 7216724 | Coupling for dual member pipe A coupling assembly to interconnect an inner member and an outer member of a dual member drill string in torque transmitting engagement is disclosed. The coupling assembly is adapted to transmit torque input from both members to a downhole tool. In one embodiment, t... | 05/15/2007 |
| 7207749 | Method and apparatus for installing underground pipe A method and apparatus employing an axially elongated ground piercing tool for forming an in-ground tunnel under a surface structure with forward axial movement of the tool in the ground under the structure with a pipe carried by the tool for depositing in the tunne... | 04/24/2007 |
| 7204661 | Pipeline system utilizing cold bends An expansion loop for an above-ground pipeline that utilizes cold bent pipe sections having a bend angle of less than 90 degrees and a bend rate (in degrees per foot) of relatively low severity. ... | 04/17/2007 |
| 7195079 | Directional reaming system A horizontal directional drilling system is used to drive operation of a guidable reamer assembly connected to a drill string. The guidable reamer assembly preferably has a cutting member with a central longitudinal axis and a support member also having a central lo... | 03/27/2007 |
| 7178226 | Wire installation tool An electrician's tool generally comprises a plate having a hole formed therein, the hole defined by an inner edge. The edge includes means for safely sliding wire through the hole and past the edge. In one embodiment the means for safely sliding the wire includes at... | 02/20/2007 |
| 7175367 | Cable pulling machine A cable pulling machine of the invention includes a frame, a mechanical linkage including first and second links having first and second cable gripping shoes disposed thereon respectively in opposed positions, a latching cylinder actuable to cause the mechanical lin... | 02/13/2007 |
| 7156584 | Method for installing a high or medium power cable in the ground The invention concerns a method for setting medium or high power electric cables (2) in the ground, which consists in digging a trench (14) evacuating the materials derived from the trench (14) towards a treatment device, for example by crushing... | 01/02/2007 |
| 7156181 | Puller-thruster downhole tool A method and apparatus for propelling a tool having a body within a passage. The tool includes a gripper including at least a gripper portion which can assume a first position that engages an inner surface of the passage and limits relative movement of the gripper p... | 01/02/2007 |
