Abstract: A tool for removing material includes a body, an ultrahard insert, and a matrix. The body has a forward portion, an opposing rear portion, and a longitudinal axis therebetween. The ultrahard insert includes an ultrahard material, and the ultrahard insert is mounted to and contacts the body proximate the forward portion. The matrix contacts the body and the ultrahard insert. The matrix is mechanically interlocked with the body and at least a portion of the matrix is positioned circumferentially around at least a portion of the forward portion of the body.

Abstract: Various aspects include a robot including a chassis, a rear section, and a forward propulsion auger. The chassis may include a forward section; a first drive motor positioned within the forward section; a rear section; and a maneuvering gimbal. The forward propulsion auger may be positioned on a leading end of the forward section and coupled to the first drive motor. The forward propulsion auger may include at least one fluid nozzle configured to eject a fluid therefrom for fluidizing at least a portion of a viscous mixture. The forward section and the rear section may be configured to be selectively pivoted relative to one another about the pivot axis of the maneuvering gimbal. Also, the forward propulsion auger may be configured to be rotated by the first drive motor relative to the forward section about a rotational axis normal to the pivot axis of the maneuvering gimbal.

Abstract: A cutting head for a mining machine includes a drum, a vane, and a cutting bit assembly positioned adjacent a surface of the vane. The drum includes a first end, a second end, and an outer surface, and the drum is rotatable about a drum axis. The vane is coupled to the outer surface of the drum and protrudes radially away from the drum axis. In some aspects, the vane includes a planar member extending at least partially around the drum axis and at least partially between the first end of the drum and the second end of the drum. In some aspects, the drum includes a plurality of planar walls extending between the first end and the second end.

Abstract: Embodiments described herein relate to material-removal systems and cutting tools that may be used in the material-removal systems. More specifically, for example, the material-removal systems, and particularly the cutting tools thereof, may engage and fail target material. In some instances, the material-removal systems may be used in mining operations.

Abstract: The present invention relates to a composite tool comprising at least two milling tool holders, to a milling tool holder for such a composite tool and to a milling drum equipped with such milling tool holders. According to the present invention, a milling tool holder is utilized for supporting a tool replacement device during tool replacement of the milling tool in the milling tool holder that precedes it in the peripheral direction. To this end, according to the present invention, a supporting area is provided on the base element of the milling tool holder, which supporting area provides appropriate stabilized guidance for the tool replacement device.

Abstract: A tool mounting block is disclosed for use with a milling drum. The tool mounting block may have a flighting portion with a base surface configured to engage an outer cylindrical surface of the milling drum, and a mounting portion integrally formed with the flighting portion at a location opposite the base surface. The mounting portion may be configured to receive a separate tool holder. The tool mounting block may further have at least one locating feature integrally formed with the flighting and mounting portions. The at least one locating feature may be configured to interlock with at least one locating feature of an adjacent tool mounting block.

Abstract: The present invention relates to a milling rotor for processing ground material, comprising a plurality of milling tools which are arranged in a distributed manner over the jacket surface spaced at predetermined distances and according to a predetermined pattern. In order to improve the distribution of the milling material, the milling tools are arranged in the circumferential direction of the milling rotor along parallel imaginary lines which are composed of at least one respective, equally long section of a left-hand and a right-hand helical line.

Abstract: A tool mounting block is disclosed for use with a milling drum. The tool mounting block may have a flighting portion with a base surface configured to engage an outer cylindrical surface of the milling drum, and a mounting portion integrally formed with the flighting portion at a location opposite the base surface. The mounting portion may be configured to receive a separate tool holder. The tool mounting block may further have at least one locating feature integrally formed with the flighting and mounting portions. The at least one locating feature may be configured to interlock with at least one locating feature of an adjacent tool mounting block.

Abstract: An apparatus for grinding material includes a grinder bit including a drum and a plurality of grinders, at least a portion of the grinders disposed longitudinally in a first helical pattern along the outer surface of the drum. The apparatus further includes a plurality of cleats, at least a portion of the cleats disposed longitudinally in a second helical pattern along the outer surface of the drum. The second helical pattern is offset from the first helical pattern.

Abstract: An apparatus for repaving an asphalt surface is provided. The apparatus includes a base carried on a plurality of wheels, a heater to heat and soften a damaged asphalt surface, a series of blades and a center mill to scarify and break up the heated asphalt surface, and a mixer to receive and recondition the reclaimed asphalt. The center mill may include a plurality of teeth members to break up the asphalt and a plurality of lip members and paddles to lift the broken asphalt and deliver it to the mixer.

Abstract: A cutter head for a cutter suction dredger to be mounted rotatably about a cutter head center axis with respect to a suction device for sucking up material cut loose by the cutter head from the bottom of a body of water, which cutter head includes a base ring, a boss spaced from the base ring in the direction of the center axis, and a plurality of arms which extend from the base ring to the boss and are distributed at regular intervals in the peripheral direction, each arm has a series of teeth located on the radially outermost parts of the arm and directed outwards at an angle with respect to the peripheral direction, the direction of rotation of the cutter head being set such that the teeth perform a cutting movement, with non-return mechanisms, preventing movement of cut material from the center axis to the exterior.

Abstract: An assembly for mounting an excavating tooth particularly suited for a dredge cutterhead includes a base, an adapter, and a lock. The base includes a convex, curved bearing surface that abuts a concave, curved bearing surface on the adapter. The curved bearing surfaces are able to maintain substantially full contact with each other under transverse loading. The undersurface of the base is formed with a groove to improve the strength and durability of the weld.

Abstract: A pedestal assembly for an asphalt cutter and/or a longwall shearer includes a cutting bit detachably secured in a tool body mounted within a block with the block fixedly secured to a pedestal. The first end of the pedestal has a recess to overlap the second end of an adjacent pedestal when the pedestals are mounted on the outer surface of a drum of the cutter. The first end of the pedestal further includes a lateral flat surface portion for deflecting material made loose by the cutting bit.

Abstract: A tool holder includes a body, a head, and a flange. The body is dimensioned to fit closely within a slot formed within a flight block. The head is positioned at a distal end of the body and has a recess to receive a cutting tool and hold the cutting tool in a rotationally forward orientation. The head includes a threaded bore extending from the recess to an outer surface, and a set screw positioned within the threaded bore, to selectively engage and secure a cutting tool therein. The flange is positioned adjacent the head and extends from the body in a rotationally forward direction. The flange is angled away from the cutting tool recess and to one side of the tool holder to facilitate deflection of debris away from the interface of the flight block and the tool holder and to one side of the tool holder.

Abstract: A cutting drum for a scarifying milling machine includes a rotatable drum having a generally cylindrical outer surface, and a plurality of flight blocks mounted onto the outer surface of the drum, defining a helical flight extending therearound. Each of the flight blocks includes a slot and at least one pocket formed therein. Each slot is generally rectangular and adapted to receive a tool holder. Each flight block includes a tool holder, having a generally rectangular body, removably mounted within the slot. A retainer is positioned within each pocket. Each retainer includes a planar tapered surface that is parallel to and engages one side of the rectangular body of the tool holder within the slot of the flight block to secure the tool holder therein.

Abstract: In one aspect of the invention a degradation drum comprises a generally cylindrical body comprising inner and outer diameters. At least one degradation assembly is disposed on the outer diameter and it comprises a holder and a pick shank secured within a bore of the holder. At least one lubricant reservoir is disposed within the inner diameter and is in fluid communication with the bore of the holder through a fluid pathway. In some embodiments, the lubricant reservoir maintains a fluid pressure on the pick shank.

Abstract: In accordance with the invention as embodied and broadly described herein, the present invention features a milling mandrel attachable to a milling device and comprising a primary cylindrical barrel; a plurality of cutting bits removably attached to the primary barrel and arranged about a support base within a cutting/sawing area or segment or sector defined on the primary barrel, wherein the cutting bits are arranged in a predetermined bit pattern via a bit location system and patterned cutting bit system; and a plurality of chunking or milling bits also removably attached to the primary barrel and arranged within a chunking or milling area or segment or sector also defined on the primary barrel and adjacent and operable with each of the cutting or sawing sectors.

Abstract: A tool mounting device for a milling drum, in particular a fine milling drum, is provided which includes a pedestal portion adapted to be connected to a surface of the milling drum. The pedestal portion has an extension from a side of the milling drum. The extension follows the contour of the milling drum surface, and is adapted to be welded to the drum surface.

Abstract: A cutting apparatus which includes a rotatable member having an outer surface and a plurality of cutting tool assemblies, wherein each assembly includes a cutting tool mounted in a holder. The cutting tool assemblies are mounted on the rotatable member so that the holder is shielded by the rotatable member, wherein the cutting tool extends beyond the outer surface of the rotatable member a sufficient distance to operate as a cutter.

Abstract: A mining member designed as a cutting roller for a continuously operating surface miner for mining mineral raw materials of high strength. The roller body is equipped for this purpose with mini-disk bits of identical design. Since different conditions occur over the entire width of the roller during the separation of the material from the soil, the roller body is designed correspondingly, and the arrangement of the mini-disk bits is adapted to these conditions. The mini-disk bits in the edge areas are placed at a greater density than are the mini-disk bits (7) in the middle area. In addition, mini-disk bits are directed obliquely toward the outside as free-cutting bits at the two outer edges of the cutting roller. The height of the mini-disk bits is selected to be such that their individual virtual rolling paths together form a virtual cutting roller body, which comprises a middle cylinder, which is joined on both sides by outwardly tapering frusta.

Abstract: A tool mounting device for a milling drum, in particular a fine milling drum, is provided which includes a pedestal portion adapted to be connected to a surface of the milling drum. The pedestal portion has an extension from a side of the milling drum. The extension follows the contour of the milling drum surface, and is adapted to be welded to the drum surface.

Abstract: An auger flight support for use with an augering systems for mining which bores a pair of side-by-side holes through the coal seam using respective augers. Each auger includes a drilling section which is followed by a series of auger flights for conveying the bored coal back out of the respective hole. The auger flight support includes a pair of thrust bearing and housing assemblies which are tied together and each supported by a respective leg which lowers the friction between the auger flight and the bottom of the bore. This significantly reduces the power required to rotate the augers.

Abstract: The pick (1) includes a radially inner end (4) and a shank (3) to be fixed to the drum (10) to substantially prevent relative movement between the pick (1) and drum (10). The pick (1) further includes a cutting head (2) having leading (5) and trailing faces (6) intersecting to provide a cutting edge (8) to extend generally parallel to an axis. The leading face (5) in use is inclined by an acute rake angle R to a radius of the axis, with the trailing face (6) being inclined at an acute back clearance angle B to a plane passing through the edge (8) and normal to the radius. The leading face (5) and trailing face (6) being inclined by an acute angle and the shanks when fixed to the drum (10) extends at an acute angle to the radius.

Abstract: The present invention relates to a cutter head and a rock excavator provided therewith utilized for excavating base rocks in free section to proceed excavating a mine gallery, a tunnel, a shaft and the like.

Abstract: An apparatus for high volume in-situ treatment of contaminated soil is a mobile vehicle with a chain trenching tool an excavator drums attached to the idler wheel to extend the width of soil cutting and increase the volume of soil being churned and treated in-situ. The drums may be arranged both for clock-wise and counter clock-wise rotation, and oriented to provide vertical lifting and swirling of the soil. The apparatus may include a hood disposed over the cutting drums to define a remediation chamber with ports for injecting high temperature air or chemical or biological remediation fluid into the soil. In a preferred embodiment, the hood has internal partitions that create a vapor recovery chamber outboard of the drums.

Abstract: A dredge cutterhead has a plurality of helical arms interconnecting a hub and a ring. Each of the arms has a front leading edge for attachment of cutting teeth. In one aspect, each of the arms has a trough portion, and the arm is shaped such that dredged material is directed toward the ring along the center of the trough portion. In another aspect, the ring of the cutterhead defines an annular channel for receiving loosened material.

Abstract: An underground augering system comprising a drill unit adjustably connected to a retrieving unit by interchangeable and adjustable connectors to provide for simultaneous drilling of one hole and the removal of auger flights from a previous drilled hole, a crowd mechanism within each unit to move the drill and retrieval carriages to and from holes, a transfer arm to move auger flights to and from a staging rack within the retrieval unit and belly pan within the drill unit, and belly pan within the retrieval unit, a mechanism and staging rack for the storage of auger flights, and a delatch mechanism within the drill unit and retrieval unit to disengage the latch lever in an auger flight for removal of the auger flight from a string of auger flights.

Abstract: A drill bit for use in rotary hammer drilling machines to drill holes in rock, masonry and concrete which includes an axially extending shank having a plurality of helical discharge grooves therein and defining a convex end face. A cylindrical projection is centrally disposed on the end face of the shank and defines a pyramid-shaped cutting tip. A plurality of primary cutting members, generally rectangular in configuration, are embedded in the shank such that the cutting members are spaced from and extend radially from the cylindrical projection so as to define gaps between the cutting members and the projection. One of the cutting members is laterally adjacent an upper end portion of each of the discharge grooves.

Abstract: A mining machine (20) inclu ding a launch vehicle (11) which drives an auger flight (21). The extremity of the Auger flight (21) is a cutter head (22). An inert gas is delivered to adjacent the cutter head (22) by a tube (50). The cutter head (22) is also provided with a ground penetrating radar antenna (42) as well as a microwave transmitting/receiving device (47) which transmits and receives microwave signals for the purposes of controlling the cutter head (22) and transmitting information gathered by means of the antenna (42).