Abstract: This disclosure relates to a disk cutter (18) comprising a cutter body, a plurality of tool holders (24) and a plurality of cutting elements (22) mounted to the tool holders. The tool holders and cutting elements are provided in at least one set about the cutter body, each set comprising two or more tool holders and two or more cutting elements arranged in a p re-determined sequence of configurations.

Abstract: This disclosure relates to a system for removing road material. In an embodiment, the system may include a milling drum and at least one pick mounted on the milling drum. Furthermore, the pick may include polycrystalline diamond at least partially forming one or more working surfaces of the pick.

Abstract: A degradation pick of the type used in such fields as road milling, mining, and trenching to engage and degrade tough materials such as asphalt, concrete, and rock may comprise a body attached at one end to a substantially cylindrical shaft. A hardened tip may also be attached to the body opposite the shaft. The hardened tip may comprise an axis offset from a central axis of the shaft. Such a degradation pick may be secured to an exterior of a rotatable drum or continuous chain so as to be repeatedly brought into contact with a surface of a material to be degraded. The body may comprise a protruding spine adjacent the hardened tip and opposite a direction of travel of the hardened tip when transported by a rotating drum or continuous chain.

Abstract: A stump cutter assembly that has a driven wheel with first and wheel side surfaces, and a first stump cutter tooth assembly operatively attaches to the first wheel side surface and a second stump cutter tooth assembly operatively attaches to the second wheel side surface. The first stump cutter tooth assembly includes a first stump cutter tooth and a first bi-directional pocket member that non-rotatably retains the first stump cutter tooth. The second stump cutter tooth assembly includes a second stump cutter tooth and a second bi-directional pocket member that non-rotatably retains the second stump cutter tooth. The first stump cutter tooth assembly is in general transverse alignment with the second stump cutter tooth assembly.

Abstract: A pick tool assembly (100) comprises a strike tip (210), a holder (230) and a reversible attachment mechanism 245, 350) for coupling the strike tip (210) to the holder (230), in which the strike tip (210) comprises a strike surface including an apex. The pick tool assembly (100) will be configured such that the strike tip (210) can be non-moveably coupled to the holder (230) in a plurality of mutually opposite orientations relative to the holder, the orientations being about a symmetry axis (L) through the apex. The attachment mechanism will limit the opposite orientations (245-ii, 245-ii) to being at least about 160 degrees azimuthally apart, and be configured such that the strike tip (210) may be coupled to the holder assembly (230) in either of two and only two mutually opposite orientations.

Abstract: A stump cutting assembly mounted to a stump cutting wheel. Stump cutting assembly is a stump cutting tooth interconnected to the wheel by a holder or block that is fixed to wheel by welding or other equivalent process, an optional debris deflector and a fastener that interconnects tooth and deflector to holder. As wheel rotates about its axis of rotation, the tooth cuts away at wood or other debris in which it comes into contact through the side to side and/or longitudinal movement of a stump grinder unit.

Abstract: A cutting tool includes a cutting tool body having an axial forward end, an axial rearward end, a head portion adjacent the axial forward end and a shank portion adjacent the axial rearward end. The head portion includes a partial frusto-conical portion having a first lateral edge and a second lateral edge; a first side surface having a first lateral transition edge and a first terminal edge, wherein the first lateral transition edge is adjoined to the first lateral edge of the partial frusto-conical portion; and a second side surface having a second lateral transition edge and a second terminal edge, wherein the second lateral transition edge is adjoined to the second lateral edge of the partial frusto-conical portion, and wherein the first terminal edge is adjoined to the second terminal edge to form a cutting edge. The cutting tool also includes a hard cutting tip.

Abstract: Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion.

Abstract: A pick to be used on an earth working roll for mining, construction and public works machines such as crushers, surface miners, milling machines and the like. The pick includes a working end with holes that extend into the pick and inserts are received into the holes. The inserts during operation impact and fracture a consolidated material to separate the material. Impacting the material generates heat in the pick at the working end of the pick which must be dissipated and attenuated to limit thermal fatigue in the inserts that occurs at high temperatures. The inserts in the working end are configured to dissipate the generated thermal energy from the inserts to the body of the pick.

Abstract: Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion.

Abstract: A core breaker positioned between cutting drums on a mining machine that includes a generally circular support member, and a beveled blade portion on the radial outward surface of the support member. The beveled blade portion includes a plurality of wedge-shaped portions and a plurality of serrated portions. Each wedge-shaped portion is connected to an adjacent wedge-shaped portion through a mediate serrated portion. Both the wedge-shaped portions and the serrated portions are generally beveled. The wedge-shaped portions and serrated portions maintain curvatures, giving the blade portion a generally undulated appearance. The blade portion has two faces, and can be beveled on a single face. Alternatively, the blade portion can be beveled on each face. The beveled surfaces can be substantially symmetrical or asymmetrical from a view in the radial direction of the generally circular support member.

Abstract: Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion.

Abstract: Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion.

Abstract: A cutting tool has a first cutting end, a second cutting end, a shoulder at an interface between the first cutting end and the second cutting end, and a shield removably mounted on one of the first cutting end and second cutting end. The cutting ends each have a cutting tip at a distal end, a body portion, a recess in the body portion and a retainer positioned in the recess. Cutting ends can be mirror images of each other, or may be non-mirror imaged, for example with different gage lengths, to accommodate different operating conditions. One of the cutting ends is mounted in a holder and the shield protects the retainer and recess features on the operating cutting end. A combination of a reversible cutting tool and a sleeve and/or block holder system, an apparatus for cutting, a sleeve per se and a shield per se are also disclosed.

Abstract: The invention relates to a cutting tooth for a trench wall cutter having a tongue-shaped tooth base for reception in a cutting wheel, whereby the tongue-shaped tooth base has a circumferentially surrounding holding groove, and at least one cutter which is arranged at the head-side of the tooth base. Provision is made for the cutting tooth with the tooth base and the cutter to be designed mirror-symmetrically to a plane of symmetry so that at least two opposite arranged cutters are present on the tooth base.

Abstract: Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion.

Abstract: Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining and demolition bit tool includes a mining tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There is at least one flute positioned along the tapered surface, where the flute is helical in shape. The stem extending from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion.

Abstract: A cutting tool for breaking or excavating machines, comprising: a tool body,a main tip (1), and a plurality of ancillary tips (3), wherein the ancillary tips (3) comprises a plurality of tapered cutting tips (7) or a plurality of cutting edges (8) for breaking operation; and the ancillary tips (3) are disposed on the tool body (2) around the main bit tip (1). The cutting tool for breaking or excavating machines of the invention is capable of increasing and elongating the wear resistance capability without sacrifice its penetrating ability so as to extend the service life of the bit, as well as increase its working efficiency and safety.

Abstract: A reamer for underground boring is provided. The reamer includes at least: (a) a center mandrel, wherein the center mandrel defines a mandrel axis; (b) a plurality of radial members extending radially from the center mandrel; (c) a plurality of cutting heads, wherein each of the cutting heads: (i) is supported by at least one of the radial members; (ii) is arcuately spaced-apart around the center mandrel from the other cutting heads; (iii) has a rounded surface; and (d) a plurality of cutting teeth on the rounded surface of each of the cutting heads. A method of horizontal drilling with the reamer is also provided.

Abstract: The present invention provides a holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations. The body has an attachment surface for attaching the holder. The holder comprises a portion for holding the tooth in a manner such that a portion of the tooth projects from the holder. The holder also comprises a base surface for attaching the holder to the attachment surface of the body. The holder is positionable in a plurality of different orientations in which the base surface is attachable to the attachment surface and in which the received tooth projects from the body in a predetermined direction.

Abstract: A cutting tool has a first cutting end, a second cutting end, a shoulder at an interface between the first cutting end and the second cutting end, and a shield removably mounted on one of the first cutting end and second cutting end. The cutting ends each have a cutting tip at a distal end, a body portion, a recess in the body portion and a retainer positioned in the recess. Cutting ends can be mirror images of each other, or may be non-mirror imaged, for example with different gage lengths, to accommodate different operating conditions. One of the cutting ends is mounted in a holder and the shield protects the retainer and recess features on the operating cutting end. A combination of a reversible cutting tool and a sleeve and/or block holder system, an apparatus for cutting, a sleeve per se and a shield per se are also disclosed.

Abstract: The invention relates to a cutting tooth for a ground working implement, particularly for a cutting wheel of a trench wall cutter, with a dedendum for reception in a holder of the ground working implement and at least one main cutting element for working the soil located at the top on the dedendum. For widening the working cross-section of the main cutting element at least one further reaming element is provided at the top on the dedendum and which, compared with the main cutting element, has a different cutting edge design.

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 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: A cutting bit has a bit body, and a cutting element formed as a trihedron with three faces which form three rock destructing blades, so that the cutting bits can be turned to orient alternatively a respective one of the rock destructing blades in a cutting direction in the event of dulling or breaking of another one of the rock destructing blades.

Abstract: A rotatable cutting tool for earth displacement equipment for maximizing penetration into hard rock during mining, trenching, drilling, or boring operations. The bit penetrator pocket protector for earth displacement equipment includes a body which defines an upper bit end and a lower shank end. The upper bit end defines a bit insert opening configured to detachably accept a penetrator bit tip. The lower shank end is configured to be securable to a penetrator holder that is welded to an implement of earth working equipment such as the chain excavator or a rotatable drum, or the like. A flange, or pocket protector, is defined between the upper and lower ends in order to provide protection for the bit penetrator lower end and a holder in which it is received by minimizing rock and earth fines from contacting and building up between the holder and bit penetrator.

Abstract: In a driving or mining machine including cutter rolls or drums which are mounted for rotation on a cantilever arm pivotable in the vertical direction, bearings and/or gears are arranged in the axial direction of the cutter rolls or drums between parts of the rolls or drums. The bearings and/or gears are connected with the cantilever arm or an actuating means provided in the cantilever arm. At least one stationary cutter bit is arranged on the cantilever arm in the region of the bearings and/or gears between neighboring parts of the rolls or drums in a plane through which the axis of the cantilever arm passes. The cutter bit has at least two cutting edges, a first cutting edge being provided substantially tangential to the enveloping curve of the rotating bits in the direction of the axis of the cantilever arm and a second cutting edge being provided so as to enclose an angle with the first cutting edge.

Abstract: A litter box includes first and second generally opposed side walls and third and fourth generally opposed side walls. The third and fourth side walls are coupled at opposite ends to the first and second side walls. A bottom closure is connected to the first, second, third and fourth side walls to form a container having an opening. A top closure is foldable to close the opening and foldable to provide an extended wall section extending above the opening.

Abstract: A tool and a method for performing at least one of removing and treating high strength surfacing. The tool includes a plurality of cutting spikes including sintered-carbide tips, and a common carrier for transmitting at least one of striking and vibration forces to the cutting spikes. The cutting spikes are disposed on the common carrier, and can be arranged on the common carrier in a plurality of rows, the rows being offset relative to one another in a longitudinal direction of the common carrier. The common carrier may be a chisel including a striking pin and a chisel shank merging into the striking pin. The tool can further include a plurality of blunt spikes distributed among and set back relative to the cutting spikes on the common carrier.