Abstract: In one aspect of the invention, an attack tool is disclosed which comprises a wear-resistant base suitable for attachment to a driving mechanism. The wear resistant base has a shank and metal segment. A cemented metal carbide segment is bonded to the metal segment opposite the shank. At least one hard insert is bonded to the metal segment proximate the shank, wherein the insert has a hardness greater than 60 HRc.

Abstract: A high impact resistant tool comprises a steel shank. The steel shank has a hollow portion and first and second ends. The shank is adapted for insertion into a holder and connection to a driving mechanism. A carbide cap is joined at a brazed joint to the first end of the shank.

Abstract: A high impact resistant tool having a sintered body of diamond or diamond-like particles in a metal matrix bonded to a cemented metal carbide substrate at a non planar interface, interface having at least two circumferentially adjacent faces, outwardly angled from a central axis of the substrate. The sintered body has a thickness of 0.100 to 0.500 inches proximate each face. The sintered body also has a flat working surface, wherein the tool has an angle of 30 to 60 degrees between the flat working surface and each face.

Abstract: A cartridge assembly for connection to a frame of a high temperature, high pressure press, having an anvil at a front end of a cylindrical body of the cartridge and a hydraulic chamber within the body adapted to apply axial pressure to the anvil. A radial compression element is disposed around an outer diameter of the body and is adapted to limit radial expansion of the body proximate the hydraulic chamber.

Abstract: In one aspect of the invention, a degradation assembly has an attack tool with a body and a shank, the body having a wear-resistant tip. The shank is disposed within a bore of a holder which is secured to a driving mechanism. A retainer sleeve is disposed around the shank of the attack tool, wherein the retainer sleeve has an inner surface with a hardness greater than 58 HRc.

Abstract: In one aspect of the invention, a degradation assembly has an attack tool with a body and a shank, the body having a wear-resistant tip. The shank is disposed within a bore of a holder secured to a driving mechanism. A washer is positioned in-between the attack tool and the holder and fitted around the shank of the attack tool, wherein an outer edge of the washer has a hardness greater than 58 HRc.

Abstract: In one aspect of the invention, a degradation pick comprises a bolster disposed intermediate a shank and an impact tip. The shank comprises an outer diameter and first and second ends. The shank is coupled to the bolster through the first end and the second end is adapted for insertion into a central bore of a holder attached to a driving mechanism. The shank comprises a hollow portion disposed within the outer diameter and between the first and second ends. The hollow portion may comprise an opening that is disposed in the second end. In some embodiments the hollow portion may comprise a length that is at least as great as the outer diameter.

Abstract: A degradation assembly has an attack tool with a body and a shank. The body has a wear resistant tip with a hardness of at least 60 HRc. The shank is disposed within a bore of a holder secured to a driving mechanism. A retainer sleeve is disposed around the shank of the attack tool, wherein an annular gap of 0.002 to 0.010 inches exists between at least a portion of the sleeve and the shank.

Abstract: In one aspect of the invention, a pick comprises a shank attached to a base of a steel body, a cemented metal carbide core press fit into the steel body opposite the shank, and an impact tip bonded to a first end of the core opposite the shank. The impact tip comprises a superhard material opposite the core, and the core comprises a second end and a largest diameter. A distance through the body from the shank to the second end of the core is less than the largest diameter of the core.

Abstract: In one aspect of the invention, a tool has a working portion with at least one impact tip brazed to a carbide extension. The carbide extension has a cavity formed in a base end and is adapted to interlock with a shank assembly of the cutting element assembly. The shank assembly has a locking mechanism adapted to interlock a first end of the shank assembly within the cavity. The locking mechanism has a radially extending catch formed in the first end of the shank assembly. The shank assembly has an outer surface at a second end of the shank assembly adapted to be press-fitted within a recess of a driving mechanism. The outer surface of the shank assembly has a coefficient of thermal expansion of 110 percent or more than a coefficient of thermal expansion of a material of the driving mechanism.

Abstract: In one aspect of the invention, a tool has a working portion with a least one impact tip brazed to a carbide extension. The carbide extension has a cavity formed in a base end and is adapted to interlock with a shank assembly of the cutting element assembly. The shank assembly has a locking mechanism adapted to interlock a first end of the shank assembly within the cavity. The locking mechanism has a radially extending catch formed in the first end of the shank assembly. The shank assembly has an outer surface at a second end of the shank assembly adapted to be press-fitted within a recess of a driving mechanism. The outer surface of the shank assembly has a coefficient of thermal expansion of 110 percent or more than a coefficient of thermal expansion of a material of the driving mechanism.

Abstract: A degradation assembly comprises a rotating portion and a fixed portion. The rotating portion comprises a wear resistant tip bonded to a carbide bolster. The bolster is attached to a shaft adapted for a rotatable connection within a bore of the fixed portion. The fixed portion is adapted for a rigid connection to a driving mechanism. The fixed portion also comprises an o-ring slot formed within its bore and an o-ring being disposed within the bore. The o-ring is at least 15 percent compressed such that the o-ring resists rotation of the shaft.

Abstract: In one aspect of the invention, a pick comprises a shank attached to a base of a steel body, a cemented metal carbide core press fit into the steel body opposite the shank, and an impact tip bonded to a first end of the core opposite the shank. The impact tip comprises a superhard material opposite the core, and the core comprises a second end and a largest diameter. A distance through the body from the shank to the second end of the core is less than the largest diameter of the core.

Abstract: In one aspect of the invention, a wear resistant assembly has at least one hard insert disposed within a recess formed within a surface. A hard material substantially surrounds the hard insert and is also disposed within the surface. The hard material is separated from the insert by an intermediate material softer than both the insert and the hard material.

Abstract: A rotary shaft impactor, comprises a rotor assembly connected to a rotary driving mechanism. The rotor assembly comprises an axis of rotation, an inlet, and an outlet, and is disposed within a chamber with an inner wall. A wear path comprises a portion of the inner wall and a channel connecting the inlet and the outlet. At least a portion of the wear path comprises a diamond surface. The inner wall may also comprise a shelf.

Abstract: In one aspect of the invention, an attack tool is disclosed which has a wear-resistant base suitable for attachment to a driving mechanism, a first cemented metal carbide segment brazed to the base at a first interface, and a second metal carbide segment brazed to the first carbide segment at a second interface opposite the base. The attack tool also having a braze material disposed in the second interface with 30 to 62 weight percent of palladium.

Abstract: A tool comprising a super hard material is bonded to a cemented metal carbide substrate at a non-planar interface. A cemented metal carbide substrate is bonded to a front end of a cemented metal carbide bolster. The carbide bolster is secured against an outer surface of a drum through a press fit.

Abstract: In one aspect of the invention, a rotary shaft impactor has a rotor assembly connected to a rotary driving mechanism. The rotor assembly has a plurality of autogenous bed pockets, the pockets having a wall intermediate a distal and a proximal end. A least one of the pockets comprises a plurality of inserts arranged adjacent one another in a row and attached to at bast the proximal or distal end wherein a first end of at least one insert is complementary to a second end of an adjacent insert.

Abstract: A tool comprising a super hard material is bonded to a cemented metal carbide substrate at a non-planar interface. A cemented metal carbide substrate is bonded to a front end of a cemented metal carbide bolster. The carbide bolster is secured against an outer surface of a drum through a press fit.

Abstract: In one aspect of the invention, a tool has a wear-resistant base suitable for attachment to a driving mechanism and also a hard tip attached to an interfacial surface of the base. The tip has a first cemented metal carbide segment bonded to a superhard material at a non-planar interface. A volume of the superhard material is about 75% to 150% of a volume of the first cemented metal carbide segment.